Maintainer: Webmaster
Last update: Wednesday, 23-Feb-2005 09:46:15 EST
Privacy || Disclaimer|| Accessibility || FOIA
URL: http://nd.water.usgs.gov/pubs/ofr/ofr9821/htdocs/l.05100000.html
----------------------------------------------------------------------------------------------------------
Statistics of monthly and annual mean discharges
[m, more than 1 year of occurrence]
__________________________________________________________________________________________________________
Maximum Minimum Mean
______________________ ______________________ _____________________________________________
Water year Water year Standard Coeffi- Percentage
Month Discharge of Discharge of Discharge deviation cient of of annual
(ft3/s) occurrence (ft3/s) occurrence (ft3/s) (ft3/s) variation discharge
__________________________________________________________________________________________________________
October 378 1969 0 m 67.4 71.2 1.05 2.99
November 234 1945 0 m 43.3 45.5 1.05 1.92
December 130 1905 0 m 20.0 24.8 1.24 0.88
January 66.0 1960 0 m 10.3 13.0 1.26 0.46
February 49.5 1945 0 m 7.33 9.36 1.28 0.32
March 741 1945 0 m 88.6 152 1.72 3.92
April 3,150 1969 24.7 1939 766 749 0.98 33.9
May 4,620 1974 11.8 1939 619 800 1.29 27.4
June 1,780 1974 6.56 1940 304 333 1.10 13.5
July 839 1904 0 1940 161 179 1.11 7.12
August 946 1993 0 1939 96.5 149 1.54 4.27
September 648 1993 0 m 74.7 103 1.38 3.31
Annual 865 1974 3.96 1939 190 169 0.89 100
__________________________________________________________________________________________________________
----------------------------------------------------------------------------------------------------------------------
Monthly and annual flow duration, in cubic feet per second
______________________________________________________________________________________________________________________
Percentage
of days
discharge Jan. Feb. March April May June July Aug. Sept. Oct. Nov. Dec. Annual
equaled or
exceeded
______________________________________________________________________________________________________________________
95 0 0 0 8.29 45.8 24.1 6.08 0.51 0 0 0.51 0 0
90 0.02 0 0 26.4 67.9 41.1 13.1 3.08 0.49 0.95 2.60 0.41 0.98
85 0.20 0 0 67.9 93.5 56.6 20.2 5.30 2.30 4.95 5.07 1.80 2.72
80 0.80 0.10 0.90 106 115 75.3 27.9 10.1 5.10 10.1 7.49 2.20 4.15
75 1.40 0.70 1.90 141 142 94.4 37.9 14.3 9.53 15.5 10.4 3.95 7.82
70 1.80 1.20 2.90 169 165 113 48.3 19.1 13.8 24.6 14.4 5.07 11.1
65 2.40 1.60 3.56 199 186 131 58.9 25.5 18.8 29.8 16.6 6.32 15.6
60 4.15 2.20 4.52 236 204 149 69.0 31.3 25.6 35.0 20.8 8.24 21.2
55 4.81 2.90 6.06 275 232 167 79.7 37.1 34.1 41.4 26.2 9.91 28.6
50 5.84 3.90 7.29 329 276 192 92.5 47.8 43.5 47.8 30.4 13.1 38.7
45 7.45 4.34 9.77 382 344 219 106 58.9 52.8 54.4 34.4 15.6 51.7
40 8.48 4.78 12.1 493 412 252 122 70.1 59.7 61.0 39.0 17.9 67.2
35 10.0 6.00 16.4 612 500 288 139 84.1 66.5 69.8 43.8 20.2 89.0
30 12.2 8.01 22.1 736 624 329 171 100 76.7 82.3 50.2 22.9 118
25 14.2 9.88 30.7 925 759 379 205 120 93.5 96.5 57.8 25.8 152
20 16.3 12.0 47.3 1,170 909 437 240 142 113 114 69.9 29.7 202
15 19.6 14.8 111 1,500 1,150 532 291 175 139 135 84.0 35.3 283
10 26.3 18.4 207 2,090 1,580 672 369 217 191 162 102 45.6 450
5 42.3 25.7 462 3,070 2,360 1,010 572 359 278 220 140 69.2 900
______________________________________________________________________________________________________________________
--------------------------------------------------------------------------------------------------
Probability of occurrence of annual high discharges
[ng, statistic not given]
__________________________________________________________________________________________________
Maximum mean discharge
(ft3/s)
___________________________________________________________
Recurrence Maximum
Exceedance interval instantaneous 3-day period 7-day period 15-day period 30-day period
probability (years) (ft3/s)
__________________________________________________________________________________________________
0.99 1.01 ng 69.9 58.8 49.6 40.0
0.95 1.05 264 172 146 120 95.6
0.90 1.11 391 272 231 188 149
0.80 1.25 623 463 396 317 252
0.50 2 1,470 1,210 1,040 820 656
0.20 5 3,360 2,950 2,530 1,980 1,600
0.10 10 5,100 4,550 3,890 3,050 2,490
0.04 25 7,860 7,070 6,030 4,730 3,910
0.02 50 10,300 9,280 7,910 6,220 5,190
0.01 100 13,200 11,800 10,000 7,900 6,650
0.005 200 16,400 14,500 12,300 9,780 8,300
0.002 500 21,300 ng ng ng ng
__________________________________________________________________________________________________
------------------------------------------------------------------------------------
Probability of occurrence of annual low discharges
________________________________________________________________________________________________
Minimum mean discharge (ft3/s)
____________________________________________________________________________
Number of consecutive days
____________________________________________________________________________
Non- Recur-
exceed- rence
ance inter- 1 3 7 14 30 60 90 120 183
prob- val
ability (years)
________________________________________________________________________________________________
0.05 20 0 0 0 0 0 0 0 0.057 0.293
0.10 10 0 0 0 0 0 0 0.096 0.383 1.43
0.20 5 0 0 0 0 0.091 0.240 0.593 1.41 4.28
0.50 2 2.78 2.97 3.02 3.19 3.32 3.97 4.87 7.76 18.8
________________________________________________________________________________________________
-------------------------------------------------------------------------------------
Probability of occurrence of seasonal low discharges
________________________________________________________________________________________________
Minimum mean discharge (ft3/s)
_____________________________________________________________________
Number of consecutive days
_____________________________________________________________________
Non- Recurrence
exceedance interval 1 7 14 30 1 7 14 30
probability (years)
_________________________________________________________________________________________________
December-January-February March-April-May
_______________________________ ______________________________
0.05 20 0 0 0 0 0 0 0 0
0.10 10 0 0 0 0 0 0 0 0.425
0.20 5 0.108 0.112 0.163 0.229 0.078 0.110 0.145 2.28
0.50 2 3.10 3.21 3.34 3.64 4.45 5.10 5.66 18.1
June-July-August September-October-November
_______________________________ ______________________________
0.05 20 0 0.128 0.330 0.636 0 0 0 0
0.10 10 1.10 11.40 1.80 2.60 0.032 0.154 0.332 0.521
0.20 5 4.31 4.86 6.31 9.19 1.39 1.93 2.56 3.50
0.50 2 25.1 32.8 34.6 48.9 12.3 15.6 18.7 26.1
________________________________________________________________________________________________
1Graphical interpretation.
-------------------------------------------------------------------------------------
Annual peak discharge and corresponding gage height
[--, no data]
_____________________________________________________________________________________
Gage Peak Gage Peak
Water Date height discharge Water Date height discharge
year (feet) (ft3/s) year (feet) (ft3/s)
_____________________________________________________________________________________
Annual peak discharge, by year, and corresponding gage height
1904 May 2 20.90 4,300 1952 April 3 8.18 550
1905 April 5 9.80 1,370 1953 June 10 6.74 250
1906 April 4 9.00 800 1954 July 7 7.97 846
1907 May 14 13.60 2,190 1955 April 5 20.11 2,700
1908 April 10 7.70 927 1956 April 27 20.90 5,200
1910 March 15 6.50 685 1957 March 27 7.63 661
1911 March 23 8.90 900 1958 April 7 7.17 442
1912 July 29 8.50 1,000 1959 April 5 14.40 1,800
1913 April 7 21.50 3,870 1960 April 14 21.00 4,040
1914 April 18 4.80 388 1961 April 3 9.49 372
1915 April 7 6.20 180 1962 April 21 20.97 3,650
1919 April 15 15.10 2,430 1963 July 28 10.55 1,150
1920 April 19 7.10 361 1964 April 17 10.07 1,080
1921 April 13 7.40 733 1965 April 13 19.21 3,600
1922 April 7 -- 1,300 1966 April 3 21.20 4,300
1923 April 20 17.80 3,120 1967 April 23 16.83 2,900
1924 April 20 6.70 674 1968 March 28 9.34 734
1925 March 28 18.30 2,350 1969 April 21 21.32 7,360
1926 July 6 5.00 318 1970 April 27 21.47 7,070
1927 May 12 17.80 3,110 1971 April 12 22.22 7,350
1928 March 25 -- 1,270 1972 April 16 15.87 2,550
1929 March 21 9.00 750 1973 March 27 8.27 224
1930 April 8 19.00 2,900 1974 April 28 22.92 10,300
1931 April 9 13.00 1,580 1975 May 18 11.03 1,500
1932 April 9 13.60 1,240 1976 April 19 19.87 4,430
1933 May 26 -- 1,180 1977 May 21 9.26 261
1934 April 9 9.76 780 1978 April 11 19.31 3,800
1935 June 18 5.38 364 1979 April 20 23.64 9,500
1936 April 15 17.34 2,530 1980 April 7 8.85 435
1937 June 8 4.32 237 1981 April 1 9.28 285
1938 March 20 8.11 730 1982 June 8 11.68 1,520
1939 April 4 6.30 52.0 1983 April 9 11.86 1,630
1940 April 20 7.97 816 1984 April 7 9.35 312
1941 April 14 18.23 2,830 1985 March 20 13.97 1,750
1942 April 7 19.96 3,550 1986 March 24 14.83 2,390
1943 March 27 12.82 1,400 1987 April 7 21.41 5,510
1944 August 6 -- 1,200 1988 April 6 8.74 420
1945 March 29 16.54 2,440 1989 April 17 10.08 1,000
1946 March 24 16.27 2,070 1990 April 3 10.50 1,000
1947 April 11 10.19 1,320 1991 June 16 10.22 888
1948 April 21 20.36 3,770 1992 April 1 19.59 3,900
1949 April 22 20.83 5,010 1993 July 30 18.10 3,580
1950 April 20 21.58 10,700 1994 April 2 13.24 2,040
1951 April 7 14.95 2,000
Annual peak discharge, from highest to lowest, and corresponding gage height
1950 April 20 21.58 10,700 1905 April 5 9.80 1,370
1974 April 28 22.92 10,300 1947 April 11 10.19 1,320
1979 April 20 23.64 9,500 1922 April 7 -- 1,300
1969 April 21 21.32 7,360 1928 March 25 -- 1,270
1971 April 12 22.22 7,350 1932 April 9 13.60 1,240
1970 April 27 21.47 7,070 1944 August 6 -- 1,200
1987 April 7 21.41 5,510 1933 May 26 -- 1,180
1956 April 27 20.90 5,200 1963 July 28 10.55 1,150
1949 April 22 20.83 5,010 1964 April 17 10.07 1,080
1976 April 19 19.87 4,430 1912 July 29 8.50 1,000
1904 May 2 20.90 4,300 1989 April 17 10.08 1,000
1966 April 3 21.20 4,300 1990 April 3 10.50 1,000
1960 April 14 21.00 4,040 1908 April 10 7.70 927
1992 April 1 19.59 3,900 1911 March 23 8.90 900
1913 April 7 21.50 3,870 1991 June 16 10.22 888
1978 April 11 19.31 3,800 1954 July 7 7.97 846
1948 April 21 20.36 3,770 1940 April 20 7.97 816
1962 April 21 20.97 3,650 1906 April 4 9.00 800
1965 April 13 19.21 3,600 1934 April 9 9.76 780
1993 July 30 18.10 3,580 1929 March 21 9.00 750
1942 April 7 19.96 3,550 1968 March 28 9.34 734
1923 April 20 17.80 3,120 1921 April 13 7.40 733
1927 May 12 17.80 3,110 1938 March 20 8.11 730
1930 April 8 19.00 2,900 1910 March 15 6.50 685
1967 April 23 16.83 2,900 1924 April 20 6.70 674
1941 April 14 18.23 2,830 1957 March 27 7.63 661
1955 April 5 20.11 2,700 1952 April 3 8.18 550
1972 April 16 15.87 2,550 1958 April 7 7.17 442
1936 April 15 17.34 2,530 1980 April 7 8.85 435
1945 March 29 16.54 2,440 1988 April 6 8.74 420
1919 April 15 15.10 2,430 1914 April 18 4.80 388
1986 March 24 14.83 2,390 1961 April 3 9.49 372
1925 March 28 18.30 2,350 1935 June 18 5.38 364
1907 May 14 13.60 2,190 1920 April 19 7.10 361
1946 March 24 16.27 2,070 1926 July 6 5.00 318
1994 April 2 13.24 2,040 1984 April 7 9.35 312
1951 April 7 14.95 2,000 1981 April 1 9.28 285
1959 April 5 14.40 1,800 1977 May 21 9.26 261
1985 March 20 13.97 1,750 1953 June 10 6.74 250
1983 April 9 11.86 1,630 1937 June 8 4.32 237
1931 April 9 13.00 1,580 1973 March 27 8.27 224
1982 June 8 11.68 1,520 1915 April 7 6.20 180
1975 May 18 11.03 1,500 1939 April 4 6.30 52.0
1943 March 27 12.82 1,400
_____________________________________________________________________________________
---------------------------------------------------------------------------------------------------------------------------------
Monthly and annual mean discharges, in cubic feet per second
[Data were not rounded in accordance with U.S. Geological Survey publication standards; --, no data]
__________________________________________________________________________________________________________________________________
Year Oct. Nov. Dec. Jan. Feb. March April May June July Aug. Sept. Annual
__________________________________________________________________________________________________________________________________
1903 -- -- -- -- -- -- -- 201.7 149.0 60.3 33.0 33.0 --
1904 40.0 30.0 15.0 8.00 4.00 2.00 1,490 2,640 1,693 838.8 384.8 301.7 621.1
1905 235.0 170.0 130.0 59.0 20.0 200.0 480.0 447.4 485.3 206.1 97.0 93.9 219.3
1906 118.8 80.0 20.0 10.0 5.00 2.00 408.0 192.5 271.4 175.1 130.8 147.2 130.0
1907 143.9 97.0 15.0 5.00 2.00 3.00 170.0 1,601 507.2 155.8 54.3 34.8 234.7
1908 55.2 38.0 19.0 6.00 3.00 3.00 328.0 473.9 223.9 87.8 52.1 60.9 112.6
1909 -- -- -- -- -- -- -- -- 329.0 129.0 48.3 27.7 --
1910 45.9 35.0 5.00 3.00 2.00 211.0 165.5 119.8 60.4 34.9 6.87 3.93 58.1
1911 6.39 3.00 2.00 1.00 0.500 198.0 293.7 230.6 153.9 49.2 24.1 5.73 81.0
1912 19.6 15.0 10.0 5.00 2.00 7.00 158.2 174.2 148.3 129.1 85.5 180.7 77.8
1913 191.1 120.0 50.0 20.0 10.0 5.00 1,674 529.5 191.1 106.5 69.5 61.8 251.5
1914 63.6 50.0 20.0 10.0 10.0 50.0 271.7 220.1 134.5 48.4 13.4 12.9 75.5
1915 31.7 21.1 9.00 6.00 5.00 9.00 45.7 25.3 24.6 20.3 8.74 7.77 17.9
1919 -- -- -- -- -- -- 820.8 376.9 164.0 87.0 29.7 34.4 --
1920 88.5 65.0 30.0 20.0 15.0 28.0 178.5 228.2 148.6 76.7 17.6 18.3 76.2
1921 126.6 95.0 60.0 30.0 20.0 20.0 358.1 168.6 96.6 113.1 18.8 16.2 93.7
1922 106.2 53.6 30.0 8.00 4.50 40.9 449.8 242.9 139.5 26.5 9.35 38.5 95.7
1923 68.0 73.9 33.0 20.0 10.0 11.0 1,145 1,130 315.0 86.3 89.2 104.3 257.5
1924 113.9 90.3 23.0 4.00 3.00 7.00 219.5 156.5 98.5 54.0 14.4 20.5 67.0
1925 169.1 105.5 20.0 2.00 2.00 384.8 420.2 196.6 252.9 113.5 19.0 55.1 145.6
1926 143.1 67.0 25.0 12.0 3.00 58.5 145.2 100.5 96.0 93.0 13.3 47.6 67.3
1927 58.5 43.0 31.0 15.0 4.00 281.2 1,046 1,160 569.7 302.9 189.7 272.5 332.2
1928 230.0 123.2 50.0 40.0 25.0 322.5 357.2 208.6 180.8 152.0 59.4 71.6 152.0
1929 121.5 44.8 22.4 12.0 8.00 183.5 219.7 109.9 79.4 6.21 3.85 4.77 68.3
1930 19.0 45.8 8.00 2.00 1.00 1.00 928.0 458.0 215.8 85.7 15.9 11.9 148.9
1931 25.8 11.2 2.70 7.20 6.60 45.2 462.9 102.7 22.3 10.8 2.07 0.390 58.0
1932 0.635 4.92 1.04 0.132 3.45 14.1 422.9 185.7 71.2 21.1 6.10 1.84 60.7
1933 7.53 8.02 2.71 0 0 17.9 720.7 554.5 319.8 74.5 27.2 28.9 146.7
1934 47.2 24.1 9.60 4.74 4.81 75.2 343.3 153.5 67.7 19.9 1.37 0.100 62.6
1935 1.68 1.07 0.084 0 0 12.6 144.1 64.2 108.2 62.4 23.5 14.9 36.0
1936 14.0 5.01 2.19 0.568 0.038 0 681.3 428.4 196.5 57.0 20.7 25.3 118.7
1937 14.1 7.08 3.53 0.555 0 0 112.1 74.8 65.5 14.3 12.5 0.403 25.4
1938 0.813 0.363 0.168 0 0 179.4 101.0 78.3 36.6 12.5 0.052 0 34.4
1939 0 0 0 0 0 0 24.7 11.8 10.8 0.603 0 0 3.96
1940 0 0 0 0 0 0 94.0 35.5 6.56 0 7.06 0 11.8
1941 0 0 0 0 0 0 995.8 384.5 174.5 61.7 28.1 134.6 147.5
1942 121.8 51.8 26.3 3.53 1.09 45.7 1,900 977.1 365.0 129.2 100.1 68.4 315.4
1943 50.6 33.9 9.51 6.51 5.45 155.1 500.6 301.9 314.7 226.5 206.9 180.9 166.4
1944 122.9 72.0 39.7 7.37 3.65 3.74 273.9 203.7 255.2 563.8 810.9 463.0 235.9
1945 203.2 233.7 105.0 42.9 49.5 740.8 1,080 759.4 439.3 257.0 142.4 96.4 346.9
1946 66.8 35.6 21.7 8.98 8.96 568.4 674.0 290.2 113.4 67.5 32.0 20.3 159.7
1947 29.5 22.8 7.39 1.76 1.20 1.03 609.0 291.9 199.8 87.9 122.4 65.0 119.8
1948 53.5 28.1 15.4 14.1 5.48 5.03 930.2 888.5 412.9 312.0 197.0 117.2 248.3
1949 66.6 45.7 20.6 12.8 12.0 11.5 2,428 1,569 656.9 272.5 142.4 69.1 441.9
1950 56.6 41.7 17.8 8.81 7.04 9.58 1,804 2,887 1,211 598.4 408.3 222.5 608.7
1951 151.8 87.8 37.4 31.5 25.0 38.4 844.5 512.7 265.6 120.2 67.3 48.6 185.8
1952 28.9 15.7 7.29 1.29 1.00 1.28 283.5 204.4 123.0 70.5 20.6 4.52 63.4
1953 3.58 6.05 1.36 0.216 0.100 0.926 71.1 46.5 157.6 90.8 64.0 14.7 38.1
1954 8.82 9.57 3.65 1.06 0.318 9.25 94.6 80.6 389.8 686.6 401.2 205.7 158.7
1955 143.9 76.5 28.0 10.5 16.1 13.6 1,511 854.5 579.3 303.6 109.1 57.0 308.3
1956 53.3 25.0 14.5 8.84 8.55 12.1 1,180 2,264 881.2 377.2 182.5 139.7 429.8
1957 100.0 63.2 20.0 15.7 7.68 118.4 275.4 202.1 134.9 63.9 77.6 116.5 99.8
1958 165.2 86.7 61.5 35.1 21.1 24.2 205.5 125.5 38.8 31.9 5.19 2.31 67.1
1959 5.34 3.82 0.326 0.145 0.100 0.748 500.3 166.4 140.0 39.8 18.0 10.8 73.4
1960 31.9 61.7 100.3 66.0 39.7 23.0 1,833 1,252 480.5 203.3 94.3 44.0 351.4
1961 26.6 19.4 5.28 4.36 1.96 49.1 268.4 182.6 56.7 13.6 2.42 3.64 52.9
1962 4.23 3.09 0.958 0.403 0.132 1.03 672.8 377.5 296.5 114.6 83.1 99.8 137.6
1963 62.2 31.5 22.1 18.4 1.67 91.1 196.7 192.0 268.5 171.9 127.1 74.3 105.2
1964 45.4 22.0 6.60 3.29 3.22 2.74 328.8 328.5 203.4 73.1 49.6 57.3 93.5
1965 43.9 22.7 6.98 4.41 3.72 2.76 862.6 701.7 453.5 181.6 74.7 94.5 204.4
1966 85.0 51.0 34.1 21.5 16.4 139.1 1,547 964.9 389.5 241.8 113.3 44.7 304.2
1967 25.9 15.8 7.27 8.10 8.40 26.6 921.7 1,010 317.9 105.1 38.4 13.3 208.6
1968 22.1 19.2 6.26 2.60 1.80 155.8 204.9 143.6 70.0 43.7 138.4 342.8 95.7
1969 377.8 191.1 56.4 23.3 17.0 23.5 3,146 1,805 621.5 364.1 183.5 121.2 577.3
1970 80.8 58.4 29.3 17.4 15.2 11.8 1,613 2,313 1,465 809.9 322.4 180.1 578.2
1971 118.4 77.5 24.4 14.6 13.8 16.1 2,398 1,517 581.0 343.7 266.2 157.3 460.6
1972 104.6 69.9 34.5 17.3 10.9 395.6 1,330 891.7 356.6 198.9 178.0 110.8 308.2
1973 74.9 35.2 8.47 2.81 2.70 90.7 101.3 71.0 51.3 63.5 61.6 62.0 52.4
1974 60.8 38.5 20.8 10.6 6.20 11.7 3,028 4,618 1,777 529.9 149.6 99.0 865.4
1975 64.8 38.8 21.6 11.9 7.29 8.21 361.8 1,221 664.7 264.1 100.8 50.1 236.0
1976 44.0 28.2 12.0 13.2 15.0 30.7 2,766 1,450 502.5 251.7 85.2 41.2 434.6
1977 28.0 14.7 2.53 2.19 2.30 15.3 69.2 80.0 49.0 18.9 5.74 25.5 26.2
1978 29.1 10.9 6.01 3.01 0.429 0.063 1,170 519.0 194.6 68.1 46.8 49.8 174.3
1979 24.9 11.7 5.06 3.74 3.27 4.76 1,991 3,284 867.0 288.5 80.4 62.0 554.7
1980 45.8 27.5 13.2 6.45 5.03 5.83 205.0 84.3 36.6 11.2 11.5 12.9 38.6
1981 21.0 24.9 5.81 1.37 25.1 112.2 220.7 137.2 65.7 28.2 14.1 6.27 55.2
1982 13.9 11.1 3.65 0.989 0.019 33.4 605.2 644.5 520.8 261.5 133.8 61.2 191.2
1983 81.3 28.8 20.7 12.8 5.42 172.3 917.7 456.2 274.6 73.1 22.9 12.6 173.1
1984 24.4 19.0 2.39 0.534 0 25.6 148.1 164.0 138.3 32.9 6.99 2.31 47.0
1985 7.24 4.45 2.26 0.065 0 494.5 832.0 264.6 136.6 136.3 81.4 45.1 167.5
1986 56.5 42.1 17.8 15.2 8.41 571.4 927.2 771.6 382.5 179.2 133.4 65.4 265.4
1987 49.5 17.4 12.2 13.6 17.3 48.5 1,997 878.4 264.3 113.8 61.7 64.8 294.0
1988 65.8 36.1 18.3 4.23 2.17 44.4 145.9 53.9 16.5 3.27 0.439 0.101 32.6
1989 0.400 2.67 3.06 0.182 0 0 177.8 102.8 56.2 12.9 0.588 0 29.6
1990 0 4.25 0.003 0 0 0.823 316.1 122.3 185.1 60.0 6.16 0.194 57.6
1991 0.043 1.15 0.095 0.019 0 9.25 74.9 73.5 148.1 260.3 99.2 17.5 57.4
1992 12.1 11.2 8.48 8.17 8.06 438.1 2,554 889.2 230.7 90.4 29.0 11.9 355.8
1993 9.13 12.9 7.35 4.74 3.46 31.7 540.2 293.2 206.5 648.7 946.3 648.4 280.9
1994 319.0 187.6 105.1 46.6 36.2 395.4 1,146 543.6 234.3 176.8 114.8 187.1 291.5
__________________________________________________________________________________________________________________________________
|
U.S. Department of the Interior ||
U.S. Geological Survey Maintainer: Webmaster Last update: Wednesday, 23-Feb-2005 09:46:15 EST Privacy || Disclaimer|| Accessibility || FOIA URL: http://nd.water.usgs.gov/pubs/ofr/ofr9821/htdocs/l.05100000.html |
|