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CANNONBALL RIVER BASIN
06350000 CANNONBALL RIVER AT REGENT, ND
LOCATION.--Lat 46°25'36", long 102°33'05", in NE1/4NE1/4 sec.13, T.134 N., R.95 W., Hettinger County, Hydrologic Unit 10130204,
on right bank 400 ft from bridge on county highway, and 0.3 mi north of Regent.
DRAINAGE AREA.--580 mi2, approximately.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--September 1950 to current year.
GAGE.--Water-stage recorder. Datum of gage is 2,422.90 ft above sea level.
REMARKS.--Records good except for periods of estimated discharge, which are fair.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum stage known since 1914, 26.1 ft, Apr. 16, 1950, from floodmarks, discharge,
20,300 ft3/s, on basis of slope-area measurement at site 4 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 4.0 4.5 6.6 e6.6 e5.0 e9.0 9.2 7.4 6.0 3.7 4.1 1.7
2 3.9 4.4 6.6 e6.5 e5.2 e10 9.1 7.4 5.9 3.8 3.9 2.1
3 3.8 4.4 6.6 e6.1 e5.8 e11 9.2 7.3 6.1 4.0 3.7 2.4
4 3.8 4.7 6.5 e5.8 e6.0 e12 9.5 7.2 6.6 4.0 3.6 2.8
5 3.9 4.8 6.4 e5.5 e6.1 e13 8.2 7.3 6.4 3.9 3.6 2.7
6 3.8 5.1 6.3 e5.5 e6.1 14 7.7 7.0 6.9 4.4 3.5 2.6
7 3.8 5.6 e6.3 e5.5 e6.0 15 7.5 7.5 8.0 4.7 3.2 2.7
8 3.8 5.6 e6.2 e5.7 e6.2 15 7.5 9.0 7.9 11 3.1 2.9
9 3.8 5.5 e6.2 e5.9 e6.5 13 7.8 9.1 7.3 61 3.1 2.7
10 3.9 5.3 e6.1 e6.0 e6.6 16 8.4 10 6.7 70 3.0 2.5
11 3.8 5.3 e5.9 e5.9 e6.5 15 8.1 11 5.7 58 3.0 2.3
12 3.8 5.3 e5.9 e5.9 e6.3 17 7.6 11 5.1 50 3.5 2.3
13 3.9 5.3 e5.8 e5.8 e6.3 15 7.5 10 5.1 39 3.4 2.2
14 3.9 5.3 e5.8 e5.5 e6.3 14 7.5 10 5.4 30 3.2 e2.2
15 4.0 5.3 e5.7 e5.2 e6.2 14 7.4 9.8 5.3 26 2.8 e2.1
16 4.1 5.4 e5.6 e5.0 e6.2 13 7.4 9.2 5.2 21 2.5 2.2
17 3.9 5.4 e5.6 e5.0 e6.2 13 7.6 8.7 5.2 17 2.2 2.2
18 4.2 5.5 e5.6 e5.0 e6.1 12 7.7 7.7 5.4 17 2.1 2.1
19 4.4 5.7 e5.4 e5.0 e6.2 12 7.7 7.1 5.4 15 2.2 2.2
20 4.5 5.9 e5.0 e5.0 e6.2 12 7.7 6.9 5.3 13 2.2 2.4
21 4.6 6.0 e4.4 e5.0 e6.2 12 7.6 7.0 5.1 13 2.1 2.8
22 4.6 6.1 e4.0 e5.0 e6.5 11 7.5 7.2 4.9 12 1.8 3.6
23 4.2 6.1 e4.0 e5.0 e6.8 11 7.5 7.1 5.2 11 1.7 3.5
24 4.1 6.1 e4.5 e5.0 e7.0 11 7.5 6.6 5.2 9.1 1.8 3.5
25 4.2 6.1 e5.0 e4.9 e7.5 11 7.8 6.0 5.1 7.5 1.8 3.6
26 4.3 6.1 e5.5 e4.9 e8.0 11 7.7 5.7 4.8 6.6 1.7 3.5
27 4.3 6.3 e6.0 e5.0 e8.0 10 7.8 6.0 4.6 6.1 1.8 3.4
28 4.1 6.3 e6.0 e5.0 e8.5 9.7 8.0 5.8 4.4 5.6 1.7 3.3
29 4.2 6.4 e6.2 e5.0 e9.0 9.5 7.9 5.9 4.1 5.2 1.6 3.3
30 4.2 6.5 e6.4 e5.0 --- 9.2 7.7 5.9 3.9 4.8 1.5 3.5
31 4.4 --- e6.6 e5.0 --- 9.4 --- 5.8 --- 4.4 1.6 ---
TOTAL 126.2 166.3 178.7 167.2 189.5 379.8 237.3 239.6 168.2 541.8 81.0 81.3
MEAN 4.07 5.54 5.76 5.39 6.53 12.3 7.91 7.73 5.61 17.5 2.61 2.71
MAX 4.6 6.5 6.6 6.6 9.0 17 9.5 11 8.0 70 4.1 3.6
MIN 3.8 4.4 4.0 4.9 5.0 9.0 7.4 5.7 3.9 3.7 1.5 1.7
AC-FT 250 330 354 332 376 753 471 475 334 1070 161 161
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 2000, BY WATER YEAR (WY)
MEAN 8.99 5.99 4.21 5.02 23.7 139 119 64.0 80.3 26.4 17.6 5.09
MAX 124 51.6 15.7 63.2 393 963 1128 523 512 331 299 20.5
(WY) 1983 1983 1983 1973 1982 1978 1952 1972 1957 1969 1981 1986
MIN 1.25 1.87 .52 .000 .000 3.23 3.80 2.94 1.57 .78 .67 .70
(WY) 1961 1961 1951 1952 1959 1964 1961 1992 1990 1989 1959 1960
SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1951 - 2000
ANNUAL TOTAL 14140.4 2556.9
ANNUAL MEAN 38.7 6.99 41.6
HIGHEST ANNUAL MEAN 168 1982
LOWEST ANNUAL MEAN 3.11 1992
HIGHEST DAILY MEAN 1300 Feb 28 70 Jul 10 7880 Mar 27 1978
LOWEST DAILY MEAN 3.4 Jul 31 1.5 Aug 30 .00 Dec 5 1950
ANNUAL SEVEN-DAY MINIMUM 3.6 Jul 29 1.7 Aug 26 .00 Dec 5 1950
INSTANTANEOUS PEAK FLOW 76 Jul 9 10000 Mar 27 1978
INSTANTANEOUS PEAK STAGE 5.80 Jul 9 a 21.01 Mar 21 1997
ANNUAL RUNOFF (AC-FT) 28050 5070 30160
10 PERCENT EXCEEDS 81 11 45
50 PERCENT EXCEEDS 7.2 5.8 5.2
90 PERCENT EXCEEDS 4.0 2.8 1.5
a Backwater from ice
e Estimated
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water years 1964-66, 1971 to current year.
WATER-QUALITY DATA, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DIS- PH PH SPE-
CHARGE, WATER WATER CIFIC SPE- HARD- MAGNE-
INST. WHOLE WHOLE CON- CIFIC NESS CALCIUM SIUM,
CUBIC FIELD LAB DUCT- CON- TEMPER- TEMPER- TOTAL DIS- DIS-
FEET (STAND- (STAND- ANCE DUCT- ATURE ATURE (MG/L SOLVED SOLVED
DATE TIME PER ARD ARD LAB ANCE AIR WATER AS (MG/L (MG/L
SECOND UNITS) UNITS) (US/CM) (US/CM) (DEG C) (DEG C) CACO3) AS CA) AS MG)
(00061) (00400) (00403) (90095) (00095) (00020) (00010) (00900) (00915) (00925)
OCT
08... 1130 3.9 -- -- -- 2120 17.5 10.1 -- -- --
NOV
16... 1450 5.4 -- -- -- 2000 12.0 5.0 -- -- --
JAN
13... 1400 5.9 -- -- -- 3090 -2.5 .3 -- -- --
FEB
16... 1330 6.2 -- -- -- 2890 -2.0 .2 -- -- --
MAR
16... 0955 13 -- -- -- 2780 2.5 1.6 -- -- --
27... 1440 10 8.2 8.3 2820 2810 14.0 8.0 750 120 110
APR
26... 1550 7.8 -- -- -- 2630 14.5 14.2 -- -- --
JUN
22... 1440 5.0 -- -- -- 2800 32.0 21.0 -- -- --
JUL
13... 1220 40 -- -- -- 2180 32.0 26.5 -- -- --
AUG
09... 1240 3.0 8.1 8.4 3030 2980 31.5 23.5 660 100 100
24... 0945 1.8 -- -- -- 2940 28.0 20.0 -- -- --
ANC SOLIDS,
POTAS- SODIUM UNFLTRD CHLO- FLUO- SOLIDS, RESIDUE
SIUM, AD- SODIUM, TIT 4.5 RIDE, RIDE, SULFATE DIS- AT 180
DIS- SORP- DIS- LAB DIS- DIS- DIS- SOLVED DEG. C
SOLVED TION SOLVED (MG/L SOLVED SOLVED SOLVED (TONS DIS-
DATE (MG/L RATIO (MG/L SODIUM AS (MG/L (MG/L (MG/L PER SOLVED
AS K) AS NA) PERCENT CACO3) AS CL) AS F) AS SO4) DAY) (MG/L)
(00935) (00931) (00930) (00932) (90410) (00940) (00950) (00945) (70302) (70300)
OCT
08... -- -- -- -- -- -- -- -- -- --
NOV
16... -- -- -- -- -- -- -- -- -- --
JAN
13... -- -- -- -- -- -- -- -- -- --
FEB
16... -- -- -- -- -- -- -- -- -- --
MAR
16... -- -- -- -- -- -- -- -- -- --
27... 9.6 7 440 56 378 15.0 .4 1300 61.7 2220
APR
26... -- -- -- -- -- -- -- -- -- --
JUN
22... -- -- -- -- -- -- -- -- -- --
JUL
13... -- -- -- -- -- -- -- -- -- --
AUG
09... 12.0 8 470 60 383 16.0 .4 1300 19.5 2370
24... -- -- -- -- -- -- -- -- -- --
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
08... -- -- -- -- -- -- -- -- -- --
NOV
16... -- -- -- -- -- -- -- -- -- --
JAN
13... -- -- -- -- -- -- -- -- -- --
FEB
16... -- -- -- -- -- -- -- -- -- --
MAR
16... -- -- -- -- -- -- -- -- -- --
27... 2220 <1.0 110 <1 50.0 30 <.1 <1 <1.0 1700
APR
26... -- -- -- -- -- -- -- -- -- --
JUN
22... -- -- -- -- -- -- -- -- -- --
JUL
13... -- -- -- -- -- -- -- -- -- --
AUG
09... 2230 <1.0 60 <1 60.0 60 <.1 <1 <1.0 1500
24... -- -- -- -- -- -- -- -- -- --
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