RED RIVER OF THE NORTH BASIN

                                         05054000  RED RIVER OF THE NORTH AT FARGO, ND

LOCATION.--Lat 4651'40", long 9647'00", in NW1/4NE1/4 sec.18, T.139 N., R.48 W., Cass County, Hydrologic Unit 09020104, at
   waterplant on 4th St. S. in Fargo, 25 mi upstream from mouth of Sheyenne River, and at mile 453.

DRAINAGE AREA.--6,800 mi2, approximately.


                                                    WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--May 1901 to current year. Published as "at Moorhead, MN.", 1901. Monthly discharge only for some periods,
   published in WSP 1308.

REVISED RECORDS.--WSP 1308: 1902-4, 1906-7, 1910-14, 1916, 1918, 1924. WSP 1388: 1905-6, 1917-20(M), 1935(M), 1938-39(M), 1943.

GAGE.--Water-stage recorder and concrete control. Datum of gage is 861.8 ft above National Geodetic Vertical Datum of 1929. Aug.
   1, 1928, to Sept. 30, 1962, water-stage recorder at various locations at datum 5.6 ft higher. See WSP 1913 for history of
   changes prior to Oct. 1, 1962.

REMARKS.--Records good except for estimated daily discharges, which are poor. Flow regulated by; Orwell Reservoir, flood storage
   capacity, 13,300 acre-ft at elevation 1,070 ft, above mean sea level, adjustment of 1912; Mud Lake, flood storage capacity,
   78,600 acre-ft at elevation 981 ft, above mean sea level, adjustment of 1912; Lake Traverse, flood storage capacity,
   75,100 acre-ft at elevation 981 ft, above mean sea level, adjustment of 1912; and numerous other controlled lakes and ponds
   and several powerplants. Figures of daily discharge do not include diversions to cities of Fargo and Moorhead, MN, from the
   Sheyenne River.

EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Apr. 7, 1897, reached a stage of 39.1 ft present datum, discharge, 25,000 ft3/s at
   site 1.5 mi downstream.

                          DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
                                                       DAILY MEAN VALUES

        DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP

          1      1140      837      753     e470     e420    e1500     1550     1430     1130     1250     1240      812
          2      1140      827     e690     e470     e415    e2200     1450     1430     1100     1160     1170     1090
          3      1090      811      662     e470     e415    e2400     1410     1430     1080     1160     1120     1430
          4      1030      793      644     e460     e415    e2500     1390     1440     1210     1220     1060     1160
          5       970      764      632     e460     e410    e2600     1380     1440     1310     1310      986      928

          6       950      760      580     e460     e410    e2600     1360     1400     1360     1270      898      752
          7      1030      763      442     e460     e410    e2500     1330     1370     1360     2280      805      625
          8      1040      762      426     e455     e410    e2600     1280     1410     1350     2430      739      566
          9      1050      768      518     e455     e410    e3000     1200     1370     1350     2180      713      540
         10      1060      773      679     e455     e410    e3300     1190     1400     1330     2090      699      492

         11      1070      768      650     e450     e405     3580     1190     1420     1280     2010      697      451
         12      1090      766      560     e450     e405     3350     1190     1440     1240     1890      687      436
         13      1100      778     e500     e445     e400     2990     1180     1470     1250     1920      656      440
         14      1100      779     e480     e440     e400     2530     1180     1530     1290     1980      741      443
         15      1140      774     e430     e440     e400     2150     1170     1670     1270     2100      701      447

         16      1110      773     e370     e440     e400     1930     1160     1710     1530     2170      752      463
         17      1090      766     e340     e440     e400     1700     1160     1670     1650     1990      750      475
         18      1070      762     e300     e440     e400     1570     1170     1630     1540     1800      740      448
         19      1050      761     e290     e440     e400     1550     1180     1560     1650     1670      723      408
         20      1020      745     e320     e440     e400     1500     1240     1470     5220     1660      689      384

         21       992      722     e370     e440     e410     1540     1450     1450     5000     1740      700      374
         22       951      708     e410     e440     e430     1740     1770     1420     3560     1760      703      504
         23       917      662     e450     e435     e450     2370     1810     1380     2920     1590      696      441
         24       908      636      482     e435     e500     3020     1860     1350     2190     1380      684      470
         25       899      654      515     e430     e550     3060     1840     1320     1790     1310      709      468

         26       891      668      518     e430     e640     2550     1750     1290     1830     1270      552      440
         27       877      661      496     e425     e780     2110     1660     1290     1620     1270      355      414
         28       859      686      476     e425    e1000     1910     1600     1250     1620     1320      389      309
         29       843      622      474     e420    e1300     1740     1550     1210     1450     1390      650      237
         30       844      647      468     e420      ---     1680     1490     1220     1350     1410      833      347
         31       842      ---      481     e420      ---     1660      ---     1140      ---     1340     1170      ---

        TOTAL   31163    22196    15406    13760    14195    71430    42140    44010    53830    51320    24007    16794
        MEAN     1005      740      497      444      489     2304     1405     1420     1794     1655      774      560
        MAX      1140      837      753      470     1300     3580     1860     1710     5220     2430     1240     1430
        MIN       842      622      290      420      400     1500     1160     1140     1080     1160      355      237
        AC-FT   61810    44030    30560    27290    28160   141700    83580    87290   106800   101800    47620    33310

                  OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
          +      1310     1230     1250     1210     1190      562     1210     1410     1280     1440     1720     1280
          *     63120    45260    31810    28500    29350   142300    84790    88700   108100   103200    49340    34590

        STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1901 - 2000, BY WATER YEAR (WY)

        MEAN      332      288      243      220      232      784     1935     1133     1073      906      439      339
        MAX      1741      942     1261      740     1353     4722    17920     5365     5122     5692     3293     2280
        (WY)     1994     1907     1999     1986     1998     1995     1997     1997     1962     1962     1993     1993
        MIN      .000     .000     .000     .000      .18     26.8      102     8.12     2.87     .000     .000     .000
        (WY)     1935     1937     1938     1933     1933     1937     1934     1934     1936     1934     1932     1934

        SUMMARY STATISTICS           FOR 1999 CALENDAR YEAR        FOR 2000 WATER YEAR           WATER YEARS 1901 - 2000

        ANNUAL TOTAL                      548248                     400251
        ANNUAL MEAN                         1502 (*1522)               1094 (*1117)                662
        HIGHEST ANNUAL MEAN                                                                       2619              1997
        LOWEST ANNUAL MEAN                                                                          17.5            1934
        HIGHEST DAILY MEAN                  4800     Mar 21            5220     Jun 20           27800       Apr 17 1997
        LOWEST DAILY MEAN                    290     Dec 19             237     Sep 29                .00    Jul 25 1932
        ANNUAL SEVEN-DAY MINIMUM             343     Dec 16             343     Dec 16                .00    Jul 25 1932
        INSTANTANEOUS PEAK FLOW                                        5630     Jun 20         a 28000       Apr 17 1997
        INSTANTANEOUS PEAK STAGE                                         22.82  Jun 21              39.72    Apr 18 1997
        ANNUAL RUNOFF (AC-FT)            1087000 (*1103000)          793900 (*809000)           479300
        10 PERCENT EXCEEDS                  2740                       1900                       1490
        50 PERCENT EXCEEDS                  1270                        978                        324
        90 PERCENT EXCEEDS                   601                        418                         41

        a  Gage height, 22.20 ft
        e  Estimated
        +  Diversions in acre feet to cities of Fargo and Moorhead
        *  Adjusted for diversions to cities of Fargo and Moorhead


                                                     WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water year 1956 to current year.

PERIOD OF DAILY RECORD.--

   WATER TEMPERATURE: September 1998 to current year.

   SPECIFIC CONDUCTANCE: September 1998 to current year.

INSTRUMENTATION.--Water-quality sensors since September 1998.

REMARKS.--Records good.

EXTREMES FOR PERIOD OF DAILY RECORD.--

   WATER TEMPERATURE: Maximum recorded, 28.3C, July 24, 1999; minimum recorded, -0.1C on many days.

   SPECIFIC CONDUCTANCE: Maximum recorded, 1200 microsiemens, Aug. 29, 1999; minimum recorded, 315 microsiemens, June 20 
      and 22, 2000.

EXTREMES FOR CURRENT YEAR.--

   WATER TEMPERATURE: Maxmimum recorded, 27.7C, July 14; minimum recorded, -0.1C on many days.

   SPECIFIC CONDUCTANCE: Maximum recoded, 975 microsiemens, May 15; minimum recorded, 315 microsiemens, June 20 and 22.

                                 WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

                                DIS-     DIS-     PH       PH       SPE-
                              CHARGE,  CHARGE,   WATER    WATER    CIFIC    SPE-                       HARD-
                                 IN     INST.    WHOLE    WHOLE     CON-    CIFIC                      NESS    CALCIUM
                               CUBIC    CUBIC    FIELD     LAB     DUCT-    CON-    TEMPER-  TEMPER-   TOTAL    DIS-
                                FEET     FEET   (STAND-  (STAND-   ANCE     DUCT-    ATURE    ATURE    (MG/L    SOLVED
             DATE      TIME     PER      PER      ARD      ARD      LAB     ANCE      AIR     WATER     AS      (MG/L
                               SECOND   SECOND   UNITS)   UNITS)  (US/CM)  (US/CM)  (DEG C)  (DEG C)   CACO3)   AS CA)
                              (00060)  (00061)  (00400)  (00403)  (90095)  (00095)  (00020)  (00010)  (00900)  (00915)

         OCT
           05...       1100     970       --       --       --       --      658       --      9.9       --       --
           19...       1130      --     1020       --       --       --      652       4.0     9.0       --       --
           25...       1500     899       --       --       --       --      622       --      6.8       --       --
         NOV
           17...       1020     766       --       --       --       --      632       --      4.2       --       --
           29...       1020     622       --       --       --       --      689       --       .1       --       --
         DEC
           08...       0845      --      418       --       --       --      622       1.0     1.0       --       --
           29...       1140     474       --       --       --       --      828       --      1.0       --       --
         JAN
           11...       1330      --      443       --       --       --      286     -15.0      .5       --       --
         FEB
           08...       1615     410       --       --       --       --      608       --       .3       --       --
         MAR
           07...       1200    2500       --       --       --       --      633       --       .0       --       --
           15...       0800      --     2100       --       --       --     1060      -2.5     2.0       --       --
         APR
           12...       1045      --     1230      8.2      8.0      791      785       4.0     7.0      360     66.0
           20...       1050    1240       --       --       --       --      725       --      7.3       --       --
         MAY
           03...       0840      --     1430       --       --       --       --      21.5    16.0       --       --
           22...       1310    1420       --       --       --       --      893       --     17.3       --       --
         JUN
           12...       1150      --     1220       --       --       --      634      26.0    24.5       --       --
           29...       1140    1450       --       --       --       --      695       --     22.3       --       --
         JUL
           18...       1300    1800       --       --       --       --      846       --     24.6       --       --
         AUG
           01...       1225      --     1230       --       --       --      727       --     27.0       --       --
           07...       1205      --      805      8.2      8.2      696      636      28.5    25.5      310     54.0
           22...       1500     703       --       --       --       --      610       --     22.2       --       --
         SEP
           08...       0940      --      566       --       --       --      464       --     19.0       --       --


                                                                    ANC                                        SOLIDS,
                      MAGNE-   POTAS-   SODIUM                    UNFLTRD   CHLO-    FLUO-            SOLIDS,  RESIDUE
                       SIUM,    SIUM,     AD-   SODIUM,           TIT 4.5   RIDE,    RIDE,   SULFATE    DIS-   AT 180
                       DIS-     DIS-    SORP-    DIS-               LAB     DIS-      DIS-    DIS-     SOLVED   DEG. C
                      SOLVED   SOLVED    TION   SOLVED             (MG/L    SOLVED   SOLVED   SOLVED   (TONS     DIS-
             DATE     (MG/L    (MG/L    RATIO    (MG/L    SODIUM    AS      (MG/L    (MG/L    (MG/L     PER     SOLVED
                      AS MG)   AS K)             AS NA)  PERCENT   CACO3)   AS CL)   AS F)   AS SO4)    DAY)    (MG/L)
                     (00925)  (00935)  (00931)  (00930)  (00932)  (90410)  (00940)  (00950)  (00945)  (70302)  (70300)
                                                            
         OCT
           05...        --       --       --       --       --       --       --       --       --       --       --
           19...        --       --       --       --       --       --       --       --       --       --       --
           25...        --       --       --       --       --       --       --       --       --       --       --
         NOV
           17...        --       --       --       --       --       --       --       --       --       --       --
           29...        --       --       --       --       --       --       --       --       --       --       --
         DEC
           08...        --       --       --       --       --       --       --       --       --       --       --
           29...        --       --       --       --       --       --       --       --       --       --       --
         JAN
           11...        --       --       --       --       --       --       --       --       --       --       --
         FEB
           08...        --       --       --       --       --       --       --       --       --       --       --
         MAR
           07...        --       --       --       --       --       --       --       --       --       --       --
           15...        --       --       --       --       --       --       --       --       --       --       --
         APR
           12...      47.0      6.0       .8     33.0      16       241     21.0       .1      170     1700      511
           20...        --       --       --       --       --       --       --       --       --       --       --
         MAY
           03...        --       --       --       --       --       --       --       --       --       --       --
           22...        --       --       --       --       --       --       --       --       --       --       --
         JUN
           12...        --       --       --       --       --       --       --       --       --       --       --
           29...        --       --       --       --       --       --       --       --       --       --       --
         JUL
           18...        --       --       --       --       --       --       --       --       --       --       --
         AUG
           01...        --       --       --       --       --       --       --       --       --       --       --
           07...      42.0      5.6       .7     28.0      16       203     18.0       .2      140      965      444
           22...        --       --       --       --       --       --       --       --       --       --       --
         SEP
           08...        --       --       --       --       --       --       --       --       --       --       --


                          SOLIDS,
                          SUM OF                                        MANGA-            MOLYB-   SELE-    STRON-
                          CONSTI-  ARSENIC   IRON,    LEAD,   LITHIUM   NESE,   MERCURY   DENUM,   NIUM,     TIUM,
                          TUENTS,    DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-     DIS-
                            DIS-    SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED
                  DATE     SOLVED   (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L
                           (MG/L)   AS AS)   AS FE)   AS PB)   AS LI)   AS MN)   AS HG)   AS MO)   AS SE)   AS SR)
                          (70301)  (01000)  (01046)  (01049)  (01130)  (01056)  (71890)  (01060)  (01145)  (01080)

              OCT
                05...        --       --       --       --       --       --       --       --       --       --
                19...        --       --       --       --       --       --       --       --       --       --
                25...        --       --       --       --       --       --       --       --       --       --
              NOV
                17...        --       --       --       --       --       --       --       --       --       --
                29...        --       --       --       --       --       --       --       --       --       --
              DEC
                08...        --       --       --       --       --       --       --       --       --       --
                29...        --       --       --       --       --       --       --       --       --       --
              JAN
                11...        --       --       --       --       --       --       --       --       --       --
              FEB
                08...        --       --       --       --       --       --       --       --       --       --
              MAR
                07...        --       --       --       --       --       --       --       --       --       --
                15...        --       --       --       --       --       --       --       --       --       --
              APR
                12...       488      3.0       20       1      40.0      10       <.1      <1      <1.0      340
                20...        --       --       --       --       --       --       --       --       --       --
              MAY
                03...        --       --       --       --       --       --       --       --       --       --
                22...        --       --       --       --       --       --       --       --       --       --
              JUN
                12...        --       --       --       --       --       --       --       --       --       --
                29...        --       --       --       --       --       --       --       --       --       --
              JUL
                18...        --       --       --       --       --       --       --       --       --       --
              AUG
                01...        --       --       --       --       --       --       --       --       --       --
                07...       410      8.0      100      <1      30.0      20       <.1       2      <1.0      230
                22...        --       --       --       --       --       --       --       --       --       --
              SEP
                08...        --       --       --       --       --       --       --       --       --       --


                            TEMPERATURE, WATER (DEG. C), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                          OCTOBER                 NOVEMBER                  DECEMBER                    JANUARY

             1     13.0    11.8    12.4       6.9     6.2     6.6        .1      .0      .0        .0      .0      .0
             2     11.8    10.9    11.3       6.2     5.6     5.8        .0      .0      .0        .0      .0      .0
             3     10.9    10.2    10.5       5.9     5.3     5.4        .1      .0      .0        .0      .0      .0
             4     10.2     9.7    10.0       5.3     4.9     5.0        .1      .0      .1        .0      .0      .0
             5      9.9     9.2     9.5       5.1     4.8     4.9       ---     ---     ---        .0      .0      .0

             6      9.2     8.7     8.9       4.8     4.3     4.5       ---     ---     ---        .0      .0      .0
             7      8.8     8.5     8.7       4.4     4.0     4.3       ---     ---     ---        .0      .0      .0
             8      9.4     8.5     8.9       4.4     4.1     4.3       ---     ---     ---        .0      .0      .0
             9     10.3     9.3     9.7       4.8     4.2     4.5       ---     ---     ---        .0      .0      .0
            10     10.7    10.2    10.4       5.0     4.6     4.8       ---     ---     ---        .0      .0      .0

            11     10.9    10.5    10.7       5.2     4.7     4.9       ---     ---     ---        .0      .0      .0
            12     10.9    10.8    10.9       5.3     4.9     5.1       ---     ---     ---        .0      .0      .0
            13     11.2    10.8    11.0       5.7     5.1     5.4       ---     ---     ---        .0      .0      .0
            14     11.1    10.9    11.0       5.5     5.2     5.3       ---     ---     ---        .0      .0      .0
            15     10.9    10.6    10.8       5.3     4.9     5.1       ---     ---     ---        .0      .0      .0

            16     10.6     9.9    10.2       5.1     4.5     4.7       ---     ---     ---        .0      .0      .0
            17      9.9     9.4     9.6       4.7     4.2     4.4       ---     ---     ---        .0      .0      .0
            18      9.5     9.0     9.2       4.4     4.1     4.2       ---     ---     ---        .0      .0      .0
            19      9.0     8.6     8.9       4.1     3.4     3.6       ---     ---     ---        .0      .0      .0
            20      8.6     8.1     8.3       3.4     3.0     3.2       ---     ---     ---        .0      .0      .0

            21      8.5     8.2     8.3       3.2     2.7     2.9       ---     ---     ---        .1      .0      .0
            22      8.2     7.7     8.0       3.0     2.7     2.8       ---     ---     ---        .1      .0      .1
            23      7.7     7.1     7.3       2.8     2.5     2.7       ---     ---     ---        .1      .0      .1
            24      7.1     6.6     6.8       2.7     2.3     2.4       ---     ---     ---        .1      .0      .1
            25      7.0     6.5     6.8       2.3     1.7     1.9       ---     ---     ---        .1      .0      .1

            26      7.0     6.5     6.7       1.7     1.3     1.5        .0      .0      .0        .2      .1      .2
            27      6.8     6.4     6.6       1.3      .9     1.0        .0      .0      .0        .2      .2      .2
            28      6.5     5.9     6.2        .9      .5      .6        .0      .0      .0        .2      .2      .2
            29      6.2     5.9     6.0        .5      .0      .1        .0      .0      .0        .2      .1      .2
            30      6.5     6.0     6.3        .1     -.1      .0        .0      .0      .0        .2      .2      .2
           31      6.9     6.2     6.5       ---     ---     ---        .0      .0      .0        .2      .2      .2

           MONTH   13.0     5.9     8.9       6.9     -.1     3.7       ---     ---     ---        .2      .0      .1


           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                         FEBRUARY                   MARCH                     APRIL                       MAY

             1       .2      .1      .2        .2      .0      .1       7.8     6.6     7.2      16.5    15.1    15.8
             2       .2      .2      .2        .2     -.1      .1       8.5     7.2     7.8      17.1    15.4    16.2
             3       .2      .2      .2        .1     -.1      .0       8.3     7.3     7.8      17.9    16.1    17.0
             4       .3      .2      .3        .1     -.1      .0       8.1     7.0     7.7      18.6    16.8    17.6
             5       .3      .3      .3        .1     -.1      .0       8.1     7.5     7.8      20.0    18.0    18.9

             6       .3      .3      .3        .1     -.1      .0       8.0     7.0     7.6      20.8    19.4    20.1
             7       .3      .2      .3        .2     -.1      .0       7.9     6.9     7.5      20.7    19.8    20.3
             8       .4      .2      .3        .1     -.1      .0       8.2     7.1     7.7      20.3    19.2    19.7
             9       .3      .2      .3       1.5     -.1      .5       8.4     7.3     7.9      20.1    18.9    19.5
            10       .3      .2      .3        .3      .1      .2       8.4     7.3     7.8      19.7    18.4    18.9

            11       .3      .2      .3        .5      .3      .4       7.4     6.8     7.1      18.4    17.2    17.7
            12       .3      .2      .3        .7      .5      .6       7.3     6.8     7.0      17.2    16.0    16.8
            13       .3      .1      .2        .8      .7      .8       7.6     6.6     7.1      16.0    14.5    15.1
            14       .2      .1      .2       1.0      .8      .9       7.6     6.0     6.7      14.7    13.6    14.2
            15       .2      .1      .2       1.2     1.0     1.1       6.2     5.6     5.9      14.5    13.7    14.2

            16       .2      .1      .2       1.5     1.2     1.3       6.3     5.3     5.8      15.0    13.9    14.4
            17       .2      .1      .2       1.7     1.5     1.6       7.2     6.3     6.6      15.4    14.6    14.9
            18       .2      .1      .2       1.9     1.7     1.8       7.7     6.7     7.2      15.9    14.6    15.2
            19       .2      .1      .2       2.1     1.9     2.0       7.7     7.4     7.6      16.7    15.2    15.9
            20       .2      .1      .2       2.2     2.1     2.1       8.4     7.1     7.7      17.0    16.0    16.5

            21       .2      .1      .2       2.4     2.2     2.3       9.9     8.1     8.8      17.3    16.2    16.7
            22       .2      .0      .1       2.6     2.4     2.5      11.2     9.3    10.2      17.9    16.6    17.2
            23       .1      .0      .1       2.8     2.6     2.7      12.3    10.4    11.3      18.6    17.1    17.9
            24       .1      .1      .1       3.4     2.8     3.0      13.6    11.8    12.7      18.5    17.4    18.0
            25       .2      .1      .1       4.2     3.4     3.7      14.9    13.5    14.2      19.0    17.5    18.2

            26       .2      .1      .1       4.9     4.2     4.6      15.5    14.6    15.0      19.4    18.0    18.7
            27       .2      .1      .1       7.1     4.9     6.0      15.9    15.1    15.4      19.4    18.3    18.7
            28       .1      .1      .1       6.7     5.8     6.2      16.5    15.3    15.8      18.7    17.8    18.3
            29       .1      .0      .1       7.1     5.8     6.5      16.5    15.3    15.9      18.7    18.0    18.4
            30      ---     ---     ---       7.7     6.2     6.9      16.0    15.6    15.8      19.1    17.9    18.4
            31      ---     ---     ---       7.3     6.7     7.0       ---     ---     ---      19.1    18.6    18.8

           MONTH     .4      .0      .2       7.7     -.1     2.1      16.5     5.3     9.4      20.8    13.6    17.4


                            TEMPERATURE, WATER (DEG. C), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                           JUNE                     JULY                     AUGUST                    SEPTEMBER

             1     18.7    18.2    18.5      25.5    23.8    24.6      26.8    25.9    26.4      20.0    19.8    19.9
             2     18.8    17.9    18.3      25.5    25.0    25.2      26.8    25.6    26.3      19.8    18.3    19.2
             3     18.9    18.1    18.5      25.6    25.1    25.3      26.7    25.8    26.2      18.6    17.4    18.1
             4     18.2    17.6    17.9      26.3    25.3    25.7      26.2    25.4    25.8      19.6    18.6    19.1
             5     18.9    17.5    18.2      26.6    25.4    26.0      26.1    25.6    25.9      19.5    19.2    19.3

             6     19.6    18.0    18.8      27.1    26.2    26.6      26.0    25.5    25.8      19.3    18.5    18.9
             7     20.6    18.5    19.5      27.1    25.3    26.1      26.3    25.4    25.7      19.8    19.1    19.4
             8     22.1    19.9    20.9      26.2    25.9    26.0      26.0    25.5    25.7      19.9    19.0    19.5
             9     23.9    21.6    22.6      26.6    25.6    26.0      26.5    25.1    25.8      20.7    19.6    20.0
            10     24.5    23.3    23.9      27.0    25.9    26.4      26.5    25.4    26.0      20.5    19.6    20.0

            11     25.0    23.4    24.2      26.7    25.8    26.3      27.2    25.8    26.5      20.1    19.5    19.8
            12     25.5    24.0    24.7      26.8    25.5    26.1      27.6    26.5    27.0      19.7    18.7    19.3
            13     25.4    24.2    24.6      27.5    26.4    26.9      27.2    26.3    26.8      19.6    18.9    19.1
            14     24.6    22.7    23.5      27.7    26.9    27.3      26.9    25.9    26.3      19.0    18.2    18.5
            15     22.7    21.5    22.2      27.6    26.7    27.2      26.3    25.3    25.8      18.4    17.6    18.1

            16     21.5    20.0    20.4      27.5    26.8    27.1      25.8    23.6    24.8      18.3    17.4    17.9
            17     20.0    19.0    19.5      27.0    25.7    26.2      23.6    22.8    23.3      18.5    17.6    18.1
            18     20.2    18.7    19.4      25.9    24.3    24.8      23.4    22.5    22.9      18.8    17.6    18.2
            19     20.7    19.7    20.2      24.3    23.0    23.6      22.9    22.4    22.6      18.7    18.1    18.4
            20     20.5    19.6    20.0      23.0    22.0    22.4      22.4    22.0    22.2      18.3    17.0    17.6

            21     20.2    19.1    19.6      22.3    21.6    22.0      22.5    21.6    22.1      17.1    16.5    16.7
            22     19.8    18.6    19.1      22.2    21.3    21.8      22.5    21.6    22.1      16.6    14.6    15.8
            23     22.3    19.8    21.0      22.9    21.7    22.3      23.2    21.9    22.6      14.6    13.8    14.2
            24     23.5    22.3    22.8      23.3    22.5    22.9      23.7    22.4    23.0      14.0    13.3    13.6
            25     23.5    22.8    23.0      24.0    23.1    23.6      23.9    23.0    23.5      14.1    13.3    13.7

            26     22.8    22.1    22.5      25.0    23.2    24.0      24.7    23.5    24.0      13.9    13.1    13.5
            27     23.0    21.9    22.4      26.0    24.0    25.0      24.6    24.0    24.3      13.4    12.6    13.0
            28     23.2    22.0    22.7      26.6    25.0    25.8      24.0    23.4    23.6      13.5    12.7    13.0
            29     23.6    22.0    22.8      27.3    25.6    26.4      23.6    22.7    23.2      14.0    13.1    13.4
            30     24.5    22.6    23.5      27.5    26.2    26.9      23.2    22.4    22.7      14.1    13.4    13.7
            31      ---     ---     ---      27.1    26.6    26.8      22.4    20.0    20.9       ---     ---     ---

           MONTH   25.5    17.5    21.2      27.7    21.3    25.3      27.6    20.0    24.5      20.7    12.6    17.3


                SPECIFIC CONDUCTANCE (MICROSIEMENS/CM AT 25 DEG. C), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                          OCTOBER                 NOVEMBER                  DECEMBER                    JANUARY

             1      724     690     707       ---     ---     ---       ---     ---     ---       686     683     684
             2      690     667     680       ---     ---     ---       ---     ---     ---       690     675     685
             3      667     645     656       ---     ---     ---       ---     ---     ---       677     673     675
             4      652     643     646       ---     ---     ---       ---     ---     ---       694     674     686
             5      664     652     658       ---     ---     ---       ---     ---     ---       686     665     676

             6      ---     ---     ---       ---     ---     ---       ---     ---     ---       667     662     663
             7      ---     ---     ---       ---     ---     ---       ---     ---     ---       680     667     675
             8      ---     ---     ---       ---     ---     ---       ---     ---     ---       722     680     693
             9      ---     ---     ---       ---     ---     ---       ---     ---     ---       722     688     696
            10      ---     ---     ---       ---     ---     ---       ---     ---     ---       698     691     695

            11      ---     ---     ---       ---     ---     ---       ---     ---     ---       740     694     710
            12      ---     ---     ---       ---     ---     ---       ---     ---     ---       739     673     692
            13      ---     ---     ---       ---     ---     ---       ---     ---     ---       674     668     672
            14      ---     ---     ---       ---     ---     ---       ---     ---     ---       686     668     675
            15      ---     ---     ---       ---     ---     ---       ---     ---     ---       700     686     693

            16      ---     ---     ---       ---     ---     ---       ---     ---     ---       694     682     690
            17      ---     ---     ---       ---     ---     ---       ---     ---     ---       683     672     677
            18      ---     ---     ---       641     626     635       ---     ---     ---       672     662     666
            19      ---     ---     ---       630     621     626       ---     ---     ---       747     668     707
            20      ---     ---     ---       624     598     607       ---     ---     ---       682     667     669
           
            21      ---     ---     ---       605     596     601       ---     ---     ---       670     647     654
            22      ---     ---     ---       607     598     603       ---     ---     ---       647     637     640
            23      ---     ---     ---       603     593     598       ---     ---     ---       661     632     637
            24      ---     ---     ---       628     602     612       ---     ---     ---       694     642     665
            25      ---     ---     ---       662     628     639       ---     ---     ---       642     626     634

            26      ---     ---     ---       700     662     691       ---     ---     ---       632     624     628
            27      ---     ---     ---       735     700     724       ---     ---     ---       662     624     637
            28      ---     ---     ---       731     712     718       ---     ---     ---       642     623     631
            29      ---     ---     ---       ---     ---     ---       ---     ---     ---       624     618     621
            30      ---     ---     ---       ---     ---     ---       ---     ---     ---       623     615     619
            31      ---     ---     ---       ---     ---     ---       693     684     690       627     612     620

           MONTH    ---     ---     ---       ---     ---     ---       ---     ---     ---       747     612     667


                SPECIFIC CONDUCTANCE (MICROSIEMENS/CM AT 25 DEG. C), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000

           DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                        FEBRUARY                   MARCH                     APRIL                       MAY

             1      617     606     613       715     706     710       835     791     820       867     850     860
             2      627     607     613       ---     ---     ---       805     791     800       882     850     863
             3      632     615     625       ---     ---     ---       826     805     818       887     878     883
             4      617     600     608       ---     ---     ---       814     788     798       878     865     871
             5      606     600     603       ---     ---     ---       820     772     788       898     864     881
           
             6      606     601     604       ---     ---     ---       804     759     773       906     892     902
             7      611     604     608       ---     ---     ---       797     750     766       908     897     901
             8      610     604     608       940     760     849       771     753     761       908     883     894
             9      621     607     615       940     928     933       800     762     775       895     866     879
            10      629     621     625       929     926     927       789     775     781       872     865     868

            11      639     629     634       927     925     926       800     759     779       871     863     867
            12      651     639     645       926     925     926       798     757     773       887     868     873
            13      661     651     655       926     924     925       769     720     744       953     887     923
            14      670     661     665       925     924     924       724     717     721       971     953     963
            15      681     670     676       924     922     923       726     718     722       975     969     973

            16      689     681     685       923     922     923       723     718     720       969     922     940
            17      692     688     691       922     921     922       724     719     722       946     919     927
            18      696     691     694       922     920     922       735     716     724       940     930     935
            19      700     696     698       922     921     921       731     719     723       932     912     922
            20      706     700     703       922     920     921       738     723     728       932     907     914

            21      711     705     708       922     920     920       746     725     739       934     913     926
            22      715     711     713       921     919     920       776     735     759       913     881     898
            23      720     715     717       920     919     920       800     775     786       881     858     874
            24      725     720     722       920     901     916       866     777     809       859     840     851
            25      728     725     727       901     853     879       924     866     896       840     825     832

            26      729     728     728       853     820     832       924     899     909       835     819     825
            27      728     722     724       820     787     805       930     894     919       819     789     806
            28      722     720     721       900     815     833       894     862     870       822     804     812
            29      720     715     718       900     845     854       875     865     868       808     766     797
            30      ---     ---     ---       853     834     847       879     865     872       779     746     760
            31      ---     ---     ---       841     825     835       ---     ---     ---       774     748     765

           MONTH    729     600     667       ---     ---     ---       930     716     789       975     746     877


          DAY      MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN       MAX     MIN    MEAN

                           JUNE                     JULY                     AUGUST                    SEPTEMBER

             1      748     711     732       724     702     716       828     765     797       557     454     480
             2      711     692     699       729     701     721       912     828     869       492     373     454
             3      692     672     680       701     647     655       933     912     923       438     324     394
             4      693     647     666       670     644     651       948     898     933       495     432     455
             5      667     651     660       715     654     681       927     910     919       495     457     474

             6      652     624     644       692     658     671       963     927     945       474     443     458
             7      624     610     614       662     587     633       943     931     938       482     457     467
             8      624     603     610       828     518     677       940     913     931       479     459     468
             9      668     624     637       657     525     614       913     861     882       467     448     454
            10      692     668     679       709     640     696       862     828     851       461     453     458

            11      675     664     669       732     668     706       828     749     787       490     451     458
            12      706     664     676       679     641     666       749     722     737       490     458     464
            13      698     674     682       711     631     650       733     705     718       519     459     482
            14      682     629     660       750     711     738       788     732     753       489     460     469
            15      673     604     642       735     706     716       766     752     758       500     437     449

            16      630     584     610       747     681     713       807     765     773       545     481     519
            17      742     620     671       797     747     782       807     725     763       496     472     482
            18      640     540     561       856     795     832       738     604     692       497     493     496
            19      599     469     567       955     856     902       718     688     703       520     491     495
            20      469     315     359       937     887     906       692     661     676       520     449     463

            21      386     325     350       889     853     877       661     633     648       460     452     456
            22      345     315     326       875     832     851       633     606     616       455     423     443
            23      416     345     375       839     815     822       630     606     618       511     425     469
            24      516     416     473       834     819     822       636     616     630       487     477     482
            25      545     516     529       838     826     831       616     591     608       495     474     479

            26      670     545     651       838     785     812       636     600     609       481     474     476
            27      693     668     683       785     766     771       636     599     609       480     472     474
            28      711     693     701       782     761     776       622     603     613       474     469     471
            29      695     685     689       766     733     751       644     622     635       469     464     467
            30      712     688     701       775     733     753       644     496     576       553     463     480
            31      ---     ---     ---       770     764     766       672     452     554       ---     ---     ---

           MONTH    748     315     607       955     518     747       963     452     744       557     324     468
Return to 2000 Data Report

U.S. Department of the Interior || U.S. Geological Survey
Maintainer: Webmaster
Last update: Tuesday, 31-Aug-2004 13:26:25 EDT
Privacy || Disclaimer|| Accessibility || FOIA
URL: http://nd.water.usgs.gov/pubs/wdr/wdrnd001/htdocs/d.05054000sw00.html
FirstGov, "Your First Click to the U.S. Government"