Kratka".
U.S. Army Corps of Engineers). See WSP 1308 or 1738 for history of changes prior to Oct. 1, 1949.
13.39 ft; maximum gage height, 13.44 ft, July 3, 1975; no flow at times.
Annual mean discharge
----------------------------------------------------------------------------------------------------------
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 1,960 1951 2.11 1934 523 490 0.94 8.20
November 1,730 1951 1.61 1934 492 422 0.86 7.72
December 1,540 1951 0 1934 447 363 0.81 7.02
January 1,420 1951 0 1934 446 366 0.82 7.00
February 1,370 1951 0 m 443 365 0.82 6.95
March 1,450 1951 0 m 476 381 0.80 7.47
April 1,980 1951 24.7 1933 652 531 0.81 10.2
May 3,180 1950 5.58 1933 658 617 0.94 10.3
June 2,160 1950 1.04 1936 658 542 0.82 10.3
July 2,470 1975 5.92 1934 567 511 0.90 8.90
August 1,480 1975 0.026 1934 495 421 0.85 7.76
September 1,730 1950 0 1934 516 445 0.86 8.10
Annual 1,410 1951 6.21 1934 531 396 0.75 100
__________________________________________________________________________________________________________
Annual flow duration
----------------------------------------------------------------------------------------------------------------------
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 1.00 0.76 1.60 29.2 19.3 8.00 11.6 8.17 3.42 6.86 6.47 4.21 6.52
90 31.3 28.2 40.5 56.3 40.1 29.7 35.8 27.2 20.0 29.0 36.0 22.9 33.1
85 57.9 52.6 69.0 80.1 57.6 60.7 65.2 62.9 54.4 59.4 62.3 46.9 60.0
80 71.9 65.8 100 102 74.9 85.2 89.6 85.2 69.3 73.7 75.0 68.2 80.2
75 96.7 97.5 127 139 92.7 111 113 102 93.8 109 108 93.1 108
70 132 130 161 185 124 178 146 127 142 144 146 139 145
65 171 173 202 238 229 261 187 172 200 184 196 184 197
60 227 219 246 314 307 346 243 247 281 236 234 242 264
55 301 313 318 400 400 438 340 326 350 290 312 326 338
50 414 405 384 492 515 582 457 404 418 346 371 404 418
45 494 478 464 590 621 716 599 483 491 416 465 505 505
40 546 533 547 682 720 837 673 563 568 507 557 550 594
35 598 592 626 775 818 923 746 646 666 617 633 596 681
30 667 661 698 869 958 1,000 822 731 780 766 701 659 768
25 741 729 770 963 1,100 1,080 905 820 875 887 784 748 860
20 816 796 842 1,120 1,230 1,150 988 910 964 993 882 824 955
15 903 862 913 1,290 1,360 1,290 1,070 1,020 1,050 1,100 999 888 1,050
10 992 936 1,010 1,530 1,480 1,450 1,240 1,140 1,200 1,270 1,130 953 1,200
5 1,080 1,090 1,180 1,890 1,800 1,620 1,490 1,270 1,390 1,450 1,360 1,090 1,450
________________________________________________________________________________________________________________________________
--------------------------------------------------------------------------------------------------
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 40.5 33.7 25.0 20.4
0.95 1.05 194 139 119 94.6 76.9
0.90 1.11 314 247 214 175 142
0.80 1.25 535 459 402 337 277
0.50 2 1,280 1,200 1,070 928 782
0.20 5 2,580 2,400 2,170 1,910 1,660
0.10 10 3,470 3,140 2,850 2,510 2,230
0.04 25 4,560 3,930 3,590 3,140 2,860
0.02 50 5,310 4,410 4,040 3,520 3,250
0.01 100 6,000 4,810 4,400 3,820 3,580
0.005 200 6,630 5,140 4,710 4,070 3,850
0.002 500 7,390 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 1.12 3.80 7.63
0.10 10 0 0 1.76 2.47 6.34 18.50 111.0 14.8 21.2
0.20 5 110.0 113.0 17.8 23.5 32.8 141.0 151.0 52.9 61.3
0.50 2 108 125 161 1180 191 1205 1240 274 288
____________________________________________________________________________________
1Graphical interpretation.
-------------------------------------------------------------------------------------
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 0.184 0.306 0.438 0.569 0.072 0.204 0.500 2.23
0.10 10 11.4 13.6 15.6 17.3 5.92 9.04 12.8 14.6
0.20 5 53.5 58.2 62.3 65.8 31.5 39.9 47.7 59.9
0.50 2 305 310 315 323 213 233 246 319
June-July-August September-October-November
__________________________ ___________________________
0.05 20 0 0.199 0.539 3.01 0 0.020 0.395 3.43
0.10 10 3.33 3.40 4.65 13.0 4.19 5.20 17.00 13.4
0.20 5 27.8 130.0 32.2 55.0 29.9 33.4 140.0 49.0
0.50 2 235 273 309 348 181 253 1263 280
_____________________________________________________________________________________
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
1930 April 5 4.08 912 1963 April 8 8.31 1,600
1931 April 3 2.38 254 1964 October 24 7.32 1,170
1932 April 9 3.45 241 1965 April 13 11.42 2,740
1933 April 18 3.84 85.0 1966 April 3 12.68 3,340
1934 May 3 1.60 58.0 1967 March 30 10.84 2,480
1935 April 13 2.68 111 1968 July 18 11.98 2,770
1936 April 17 3.80 248 1969 April 10 10.49 2,320
1937 July 15 5.08 285 1970 June 16 9.90 2,120
1938 May 13 7.18 1,460 1971 April 8 10.54 1,610
1939 April 21 7.44 1,300 1972 May 29 8.75 1,580
1940 April 19 6.22 1,300 1973 September 25 7.93 1,290
1941 June 15 -- 912 1974 April 28 11.07 2,670
1942 April 2 7.81 1,800 1975 July 7 13.39 4,060
1943 April 8 7.22 2,010 1976 October 25 8.56 1,890
1944 April 11 9.20 1,320 1977 May 19 5.31 667
1945 March 27 7.91 2,540 1978 April 8 11.93 2,440
1946 March 30 7.67 2,310 1979 April 25 12.30 3,660
1947 June 15 8.30 2,660 1980 April 5 9.05 1,500
1948 April 20 9.20 3,390 1981 June 29 5.71 577
1949 April 13 5.70 1,360 1982 April 15 10.37 1,800
1950 May 11 13.42 3,720 1983 October 12 8.54 1,510
1951 April 29 10.24 2,170 1984 June 9 10.03 2,210
1952 May 19 8.76 1,730 1985 August 18 11.61 2,490
1953 June 9 5.12 670 1986 April 29 10.82 2,470
1954 June 23 5.31 742 1987 May 26 6.48 961
1955 April 8 8.04 1,240 1988 April 4 7.75 600
1956 April 20 10.29 1,330 1989 April 14 7.55 600
1957 June 28 9.91 1,960 1990 March 13 5.65 150
1958 October 17 7.95 1,520 1991 July 13 5.32 154
1959 April 3 5.42 326 1992 April 21 -- 390
1960 April 6 7.45 530 1993 July 26 10.74 1,860
1961 April 20 2.92 282 1994 July 8 10.66 2,020
1962 June 11 12.10 3,060
Annual peak discharge, from highest to lowest, and corresponding gage height
1975 July 7 13.39 4,060 1947 June 15 8.30 2,660
1950 May 11 13.42 3,720 1945 March 27 7.91 2,540
1979 April 25 12.30 3,660 1985 August 18 11.61 2,490
1948 April 20 9.20 3,390 1967 March 30 10.84 2,480
1966 April 3 12.68 3,340 1986 April 29 10.82 2,470
1962 June 11 12.10 3,060 1978 April 8 11.93 2,440
1968 July 18 11.98 2,770 1969 April 10 10.49 2,320
1965 April 13 11.42 2,740 1946 March 30 7.67 2,310
1974 April 28 11.07 2,670 1984 June 9 10.03 2,210
1951 April 29 10.24 2,170 1964 October 24 7.32 1,170
1970 June 16 9.90 2,120 1987 May 26 6.48 961
1994 July 8 10.66 2,020 1930 April 5 4.08 912
1943 April 8 7.22 2,010 1941 June 15 -- 912
1957 June 28 9.91 1,960 1954 June 23 5.31 742
1976 October 25 8.56 1,890 1977 May 19 5.31 667
1993 July 26 10.74 1,860 1953 June 9 5.12 670
1942 April 2 7.81 1,800 1988 April 4 7.75 600
1982 April 15 10.37 1,800 1989 April 14 7.55 600
1952 May 19 8.76 1,730 1981 June 29 5.71 577
1971 April 8 10.54 1,610 1960 April 6 7.45 530
1963 April 8 8.31 1,600 1992 April 21 -- 390
1972 May 29 8.75 1,580 1959 April 3 5.42 326
1958 October 17 7.95 1,520 1937 July 15 5.08 285
1983 October 12 8.54 1,510 1961 April 20 2.92 282
1980 April 5 9.05 1,500 1931 April 3 2.38 254
1938 May 13 7.18 1,460 1936 April 17 3.80 248
1949 April 13 5.70 1,360 1932 April 9 3.45 241
1956 April 20 10.29 1,330 1991 July 13 5.32 154
1944 April 11 9.20 1,320 1990 March 13 5.65 150
1939 April 21 7.44 1,300 1935 April 13 2.68 111
1940 April 19 6.22 1,300 1933 April 18 3.84 85.0
1973 September 25 7.93 1,290 1934 May 3 1.60 58.0
1955 April 8 8.04 1,240
________________________________________________________________________________________
---------------------------------------------------------------------------------------------------------------------------------
Monthly and annual mean discharges, in cubic feet per second
[Data were not rounded in accordance with U.S. Geological Survey publication standards]
___________________________________________________________________________________________________________________________
Year Oct. Nov. Dec. Jan. Feb. March April May June July Aug. Sept. Annual
___________________________________________________________________________________________________________________________
1930 253.0 232.9 206.5 154.8 118.5 239.6 486.8 566.3 388.2 228.5 126.0 86.6 258.0
1931 88.1 98.8 87.0 90.1 119.7 140.8 175.2 137.6 101.4 37.7 17.9 9.07 91.7
1932 21.9 44.0 23.3 29.5 11.9 17.0 67.7 11.2 5.81 12.3 11.8 3.86 21.7
1933 16.4 28.8 13.6 10.3 5.14 4.78 24.7 5.58 5.25 12.1 11.4 3.56 11.8
1934 2.11 1.61 0 0 0 0.513 25.8 26.5 11.9 5.92 0.026 0 6.21
1935 6.90 10.1 4.77 2.00 1.05 17.8 47.2 47.5 37.3 16.1 6.22 7.38 17.1
1936 6.64 4.45 2.69 0.487 0 0 67.7 11.4 1.04 7.27 0.394 1.84 8.60
1937 7.36 2.41 1.36 0.206 0 0 38.6 35.5 17.2 80.3 86.7 46.0 26.5
1938 21.8 28.6 21.5 25.1 28.4 110.5 41.1 735.5 129.8 116.5 93.5 134.7 125.1
1939 140.3 136.3 138.7 126.5 108.9 119.0 320.0 262.1 240.7 136.8 113.9 198.3 170.0
1940 232.3 217.7 181.3 179.0 186.6 211.6 510.7 433.7 378.0 172.6 141.9 148.9 249.2
1941 162.8 187.2 184.2 189.7 187.5 204.8 330.3 110.2 509.9 95.5 210.4 355.2 226.3
1942 325.6 531.8 369.7 415.5 414.3 628.7 860.3 748.7 502.4 188.9 180.3 481.8 469.8
1943 271.4 343.9 333.5 340.6 345.0 354.8 1,052 846.2 964.9 570.7 749.0 790.7 579.9
1944 747.3 672.7 497.7 488.7 524.1 508.7 794.3 746.0 962.9 771.2 769.0 908.2 698.7
1945 876.6 1,063 948.4 716.8 714.3 1,274 1,601 1,274 1,010 691.3 497.5 617.6 940.8
1946 785.8 672.9 553.2 550.0 503.6 881.9 1,253 971.0 794.4 449.5 367.5 421.4 684.1
1947 525.6 539.5 467.1 455.5 409.3 404.5 1,197 1,304 1,936 846.5 719.3 945.2 812.1
1948 1,046 886.1 764.5 687.1 569.0 637.1 1,790 1,467 884.1 613.7 447.5 399.5 849.3
1949 369.5 346.2 283.9 274.8 268.6 384.5 753.5 570.4 655.8 384.5 522.5 524.6 445.0
1950 619.2 566.6 521.6 517.7 473.6 531.0 1,559 3,179 2,161 1,869 1,388 1,733 1,264
1951 1,955 1,730 1,539 1,424 1,366 1,453 1,980 1,791 1,573 1,158 453.1 463.8 1,407
1952 464.2 600.3 856.8 1,072 1,068 1,055 948.2 1,354 1,433 1,253 621.4 533.1 938.2
1953 372.4 285.6 309.9 311.0 328.5 331.2 163.8 258.6 405.8 288.7 305.8 290.4 304.3
1954 250.0 204.3 226.1 216.9 227.0 229.5 389.0 420.8 585.7 569.0 368.4 268.6 330.1
1955 252.2 326.7 325.3 273.6 297.4 327.7 549.3 307.6 278.4 276.9 261.2 231.9 308.7
1956 196.9 148.7 145.1 148.4 150.1 153.4 556.2 370.7 195.1 170.6 186.5 189.0 217.3
1957 236.7 245.3 207.7 184.4 146.2 227.6 325.6 98.3 671.2 1,252 1,180 1,140 494.6
1958 1,467 1,304 658.8 669.1 653.5 878.4 722.2 312.2 333.7 441.2 233.8 56.7 644.5
1959 43.6 35.9 38.5 47.1 45.9 66.4 120.0 45.5 36.4 43.4 49.1 38.8 50.9
1960 149.4 142.8 146.9 136.0 126.3 138.4 229.2 40.1 49.9 42.3 38.7 18.3 104.7
1961 83.0 108.4 37.3 36.5 32.3 62.4 95.9 33.5 41.0 48.8 32.8 76.8 57.3
1962 122.2 86.9 45.7 47.8 48.9 47.7 205.5 487.5 1,469 1,136 1,017 1,235 496.7
1963 1,401 1,210 863.2 900.6 886.8 915.5 1,036 1,014 1,003 677.0 618.6 830.1 946.0
1964 1,068 586.5 535.9 498.8 470.3 289.4 264.1 162.4 235.0 144.1 100.2 94.4 371.0
1965 276.3 546.5 593.5 591.6 592.0 615.5 1,021 610.5 788.5 778.8 681.5 799.8 657.1
1966 1,044 991.0 1,014 977.7 966.4 968.4 1,623 1,683 1,229 989.2 1,046 1,139 1,139
1967 1,130 1,057 941.3 922.3 1,003 1,136 1,186 1,292 1,181 903.1 782.0 792.3 1,027
1968 422.2 352.7 264.0 224.9 205.9 253.0 93.4 43.4 271.5 1,080 662.9 672.8 380.2
1969 575.8 822.8 1,018 1,086 1,167 1,125 1,395 1,311 1,230 920.3 810.5 1,170 1,050
1970 1,309 1,122 990.3 952.4 918.0 898.1 861.6 1,316 1,257 892.9 830.9 1,004 1,030
1971 818.9 715.7 676.3 656.0 743.4 869.0 803.9 943.7 927.6 683.8 632.7 408.6 740.2
1972 512.0 711.5 741.2 843.5 896.6 904.7 1,017 1,123 1,060 784.1 1,104 1,170 904.8
1973 964.8 687.7 559.9 520.1 564.8 539.9 207.1 399.8 300.3 189.4 233.9 641.1 483.7
1974 989.4 1,072 858.5 874.2 905.0 814.0 1,346 1,813 1,363 1,428 1,283 1,290 1,171
1975 1,387 1,146 914.2 789.4 727.9 692.8 1,229 1,397 1,545 2,474 1,478 1,579 1,284
1976 1,791 1,377 816.8 1,127 1,040 966.5 1,115 1,199 1,062 855.9 971.4 674.1 1,083
1977 231.4 172.0 125.9 119.2 126.6 136.1 113.0 123.1 90.8 105.5 95.3 110.9 129.3
1978 244.4 304.4 440.4 510.5 525.9 544.8 1,085 657.3 975.5 1,005 607.3 370.8 605.8
1979 385.5 433.1 410.0 410.0 415.1 426.1 1,335 1,345 1,261 1,224 1,117 1,031 817.3
1980 964.7 748.1 821.0 821.4 845.2 847.4 784.5 674.1 628.5 246.9 160.7 104.2 636.9
1981 80.6 78.3 60.1 60.3 71.3 103.0 82.0 75.9 123.1 361.5 457.5 457.5 168.2
1982 777.0 800.9 722.3 680.0 682.9 717.4 665.3 1,149 1,081 1,116 1,017 940.8 863.7
1983 1,285 1,036 946.8 944.4 849.6 542.9 825.5 772.7 822.3 791.5 703.9 808.7 860.8
1984 591.9 947.6 804.2 773.5 814.8 824.5 879.4 645.3 756.7 1,009 809.3 575.4 785.8
1985 280.0 524.5 849.7 893.2 890.0 915.7 510.7 847.0 1,178 907.4 1,396 1,122 859.5
1986 1,199 966.0 779.0 805.2 824.6 1,048 1,641 1,391 1,286 1,042 990.1 1,000 1,082
1987 713.3 595.6 696.8 702.3 662.1 577.5 280.8 286.5 315.8 221.9 277.9 269.5 466.2
1988 104.5 91.6 86.7 84.4 84.6 123.6 186.4 82.7 91.5 78.6 87.4 75.7 98.1
1989 69.5 72.3 74.0 75.0 73.0 73.5 251.2 89.5 94.1 89.9 91.2 73.6 93.8
1990 60.5 62.4 62.6 62.8 64.1 90.4 78.3 74.6 88.4 79.2 73.8 66.1 72.0
1991 60.0 61.6 61.8 62.0 62.1 81.7 69.2 72.3 66.4 94.7 73.2 63.7 69.2
1992 69.1 58.7 58.8 61.5 63.3 132.8 226.1 125.1 88.6 108.1 111.4 262.3 113.6
1993 201.7 152.1 540.8 540.0 536.8 624.2 610.9 640.8 867.3 924.5 911.5 786.6 612.1
1994 837.3 618.8 609.0 600.8 607.9 498.5 277.8 393.5 702.6 685.2 721.8 806.2 613.5
___________________________________________________________________________________________________________________________
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