DISCHARGE: October 1914 to September 1921, June 1928 to current year. Monthly discharge only for some periods, published in WSP 1305. |
STAGE: Water years 1994-2001. |
CHEMICAL: Water years 1978-91. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 60 | 51 | e125 | e80 | e3000 | 2930 | 631 | 402 | 518 | 184 | 169 | 909 |
2 | 52 | 53 | e120 | e85 | e2300 | 2180 | 558 | 411 | 672 | 192 | 149 | 540 |
3 | 47 | 62 | e110 | e90 | e1500 | 1800 | 488 | 367 | 718 | 206 | 132 | 266 |
4 | 51 | 53 | e100 | e92 | e1100 | 1550 | 466 | 306 | 807 | 559 | 186 | 114 |
5 | 95 | 47 | e100 | e95 | e1050 | 1340 | 442 | 285 | 908 | 646 | 186 | 127 |
6 | 161 | 53 | e110 | e95 | e1000 | 1140 | 519 | 351 | 1630 | 504 | 134 | 117 |
7 | 193 | 69 | e115 | e92 | 986 | 969 | 1980 | 360 | 3700 | 326 | 112 | 112 |
8 | 122 | 76 | e120 | e88 | 1310 | 895 | 2190 | 324 | 2790 | 326 | 103 | 260 |
9 | 89 | 181 | e115 | e82 | 3640 | 841 | 1310 | 320 | 1680 | 338 | 116 | 520 |
10 | 75 | 197 | e110 | e79 | 6930 | 748 | 1120 | 279 | 1400 | 633 | 105 | 814 |
11 | 70 | 638 | e120 | e76 | 5430 | 678 | 1580 | 272 | 1080 | 544 | 101 | 611 |
12 | 66 | 610 | e200 | e74 | 3080 | 659 | 2780 | 345 | 813 | 358 | 102 | 379 |
13 | 61 | 481 | e300 | e80 | e1960 | 680 | 1860 | 323 | 732 | 235 | 101 | 270 |
14 | 58 | 343 | e370 | e100 | 2370 | 671 | 1280 | 244 | 694 | 183 | 99 | 172 |
15 | 65 | 423 | e280 | e160 | 5070 | 588 | 1060 | 242 | 623 | 160 | 99 | 152 |
16 | 62 | 347 | e220 | e300 | 3870 | 765 | 1020 | 200 | 563 | 145 | 101 | 141 |
17 | 102 | 274 | e180 | e500 | 2730 | 1150 | 895 | 236 | 495 | 116 | 106 | 124 |
18 | 82 | 252 | e140 | e400 | 1860 | 1500 | 751 | 573 | 406 | 101 | 110 | 111 |
19 | 68 | 231 | e130 | e300 | 1440 | 1410 | 680 | 1010 | 387 | 94 | 110 | 220 |
20 | 60 | 204 | e120 | e200 | 1140 | 1210 | 652 | 925 | 427 | 117 | 108 | 207 |
21 | 55 | 173 | e115 | e160 | 1020 | 1100 | 652 | 648 | 335 | 124 | 137 | 228 |
22 | 52 | 111 | e110 | e140 | 966 | 1010 | 627 | 539 | 399 | 101 | 120 | 171 |
23 | 53 | 105 | e105 | e130 | 924 | 921 | 575 | 489 | 516 | 132 | 127 | 120 |
24 | 51 | e110 | e100 | e120 | 1040 | 807 | 601 | 414 | 411 | 138 | 110 | 110 |
25 | 50 | e115 | e96 | e110 | 9590 | 731 | 548 | 397 | 350 | 164 | 199 | 101 |
26 | 51 | e120 | e92 | e100 | 11500 | 666 | 482 | 391 | 288 | 191 | 146 | 79 |
27 | 51 | e125 | e89 | e95 | 10100 | 640 | 477 | 465 | 237 | 126 | 204 | 61 |
28 | 50 | e130 | e86 | e92 | 5730 | 608 | 454 | 781 | 211 | 269 | 128 | 65 |
29 | 52 | e135 | e84 | e200 | --- | 570 | 405 | 664 | 192 | 417 | 84 | 63 |
30 | 53 | e130 | e82 | e1500 | --- | 610 | 374 | 468 | 182 | 263 | 81 | 66 |
31 | 51 | --- | e81 | e4700 | --- | 590 | --- | 437 | --- | 200 | 831 | --- |
TOTAL | 2208 | 5899 | 4225 | 10415 | 92636 | 31957 | 27457 | 13468 | 24164 | 8092 | 4596 | 7230 |
MEAN | 71.2 | 197 | 136 | 336 | 3308 | 1031 | 915 | 434 | 805 | 261 | 148 | 241 |
MAX | 193 | 638 | 370 | 4700 | 11500 | 2930 | 2780 | 1010 | 3700 | 646 | 831 | 909 |
MIN | 47 | 47 | 81 | 74 | 924 | 570 | 374 | 200 | 182 | 94 | 81 | 61 |
CFSM | .06 | .15 | .11 | .26 | 2.56 | .80 | .71 | .34 | .62 | .20 | .11 | .19 |
IN. | .06 | .17 | .12 | .30 | 2.67 | .92 | .79 | .39 | .70 | .23 | .13 | .21 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1915 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 325 | 575 | 856 | 1129 | 1431 | 1698 | 1851 | 1664 | 1218 | 760 | 401 | 253 |
MAX | 3346 | 5743 | 3593 | 6930 | 4818 | 5383 | 6846 | 7615 | 5290 | 4008 | 3049 | 2807 |
(WY) | 1978 | 1986 | 1991 | 1950 | 1982 | 1979 | 1994 | 1943 | 1998 | 1993 | 1979 | 1993 |
MIN | 12.8 | 22.8 | 27.3 | 27.8 | 39.6 | 59.6 | 190 | 83.7 | 43.3 | 26.6 | 17.9 | 14.4 |
(WY) | 1921 | 1921 | 1915 | 1977 | 1931 | 1931 | 1915 | 1934 | 1934 | 1934 | 1930 | 1920 |
SUMMARY STATISTICS | FOR 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1915 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 119656 | 232347 | ||||
ANNUAL MEAN | 327 | 637 | 1010 | |||
HIGHEST ANNUAL MEAN | 2694 | 1993 | ||||
LOWEST ANNUAL MEAN | 139 | 1954 | ||||
HIGHEST DAILY MEAN | 7210 | May 28 | 11500 | Feb 26 | 45100 | Apr 13 1994 |
LOWEST DAILY MEAN | 19 | Sep 6,7 | 47 | A | 2.0 | B |
ANNUAL SEVEN-DAY MINIMUM | 24 | Sep 2 | 51 | Oct 22 | 2.1 | Oct 8 1920 |
MAXIMUM PEAK FLOW | 12100 | Feb 26 | 48700 C | Mar 13 1939 | ||
MAXIMUM PEAK STAGE | 15.29 | Feb 26 | 31.56 D | Apr 13 1994 | ||
INSTANTANEOUS LOW FLOW | 43 | Oct 4 | ||||
ANNUAL RUNOFF (CFSM) | .25 | .49 | .78 | |||
ANNUAL RUNOFF (INCHES) | 3.45 | 6.70 | 10.64 | |||
10 PERCENT EXCEEDS | 686 | 1360 | 2430 | |||
50 PERCENT EXCEEDS | 144 | 242 | 394 | |||
90 PERCENT EXCEEDS | 37 | 76 | 51 |
A- Oct. 3 and Nov. 5. | |
B- Oct. 9-14, 1920 and Aug. 10, 1930. | |
C- Gage height, 28.59 ft. | |
D- Discharge, 47,900 ft3/s. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |