DISCHARGE: October 1934 to September 1986. Monthly discharge only for some periods, published in WSP 1308. Seven-month period (March to September), water years 1987-90. October 1990 to September 1996. October 1997 to current year. |
STAGE: Water years 1994-1996; 1998-2001. |
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 | 23 | 25 | 28 | e20 | e200 | e310 | 147 | 206 | 795 | 109 | 31 | 12 |
2 | 21 | 25 | 27 | e21 | e160 | e270 | 138 | 196 | 579 | 102 | 124 | 11 |
3 | 20 | 25 | 20 | e21 | e140 | e250 | 128 | 182 | 447 | 113 | 76 | 11 |
4 | 39 | 24 | 23 | e21 | e125 | e240 | 119 | 340 | 385 | 180 | 43 | 11 |
5 | 45 | 24 | 19 | e21 | e110 | e220 | 130 | 370 | 1900 | 107 | 35 | 10 |
6 | 47 | 28 | e22 | e21 | e105 | e210 | 151 | 570 | 2810 | 93 | 30 | 11 |
7 | 40 | 37 | e24 | e21 | e100 | 200 | 384 | 679 | 930 | 88 | 27 | 23 |
8 | 36 | 38 | e24 | e21 | e130 | 188 | 258 | 459 | 582 | 85 | 25 | 15 |
9 | 34 | 41 | e23 | e20 | e2000 | 175 | 220 | 348 | 467 | 83 | 24 | 17 |
10 | 32 | 44 | e21 | e20 | e2500 | 167 | 202 | 300 | 397 | 79 | 22 | 22 |
11 | 31 | 49 | e20 | 20 | e2200 | 179 | 200 | 1160 | 349 | 72 | 21 | 18 |
12 | 30 | 43 | e22 | 21 | 1820 | 182 | 308 | 780 | 312 | 68 | 19 | 13 |
13 | 29 | 38 | e25 | 23 | 1010 | 185 | 306 | 522 | 286 | 64 | 19 | 12 |
14 | 28 | 36 | e29 | 27 | 602 | 175 | 251 | 579 | 282 | 61 | 18 | 12 |
15 | 27 | 34 | e28 | 38 | 558 | 209 | 508 | 619 | 277 | 58 | 18 | 11 |
16 | 28 | 34 | e26 | e46 | 408 | 527 | 528 | 425 | 252 | 56 | 20 | 11 |
17 | 27 | 32 | e25 | e50 | 313 | 527 | 407 | 2660 | 223 | 54 | 18 | 10 |
18 | 26 | 27 | e24 | e43 | e270 | 500 | 329 | 1170 | 206 | 56 | 23 | 19 |
19 | 26 | 28 | e23 | e40 | e240 | 450 | 291 | 713 | 191 | 61 | 23 | 65 |
20 | 25 | 23 | e22 | e36 | e220 | 392 | 267 | 636 | 182 | 56 | 21 | 44 |
21 | 25 | 30 | e21 | e33 | e210 | 338 | 247 | 1690 | 212 | 51 | 18 | 67 |
22 | 26 | 32 | e20 | e31 | e190 | 298 | 588 | 724 | 217 | 51 | 18 | 27 |
23 | 26 | 27 | e20 | 29 | e180 | 267 | 749 | 539 | 179 | 49 | 17 | 23 |
24 | 25 | 26 | e19 | e27 | 1750 | 241 | 418 | 462 | 162 | 45 | 17 | 20 |
25 | 25 | 29 | e19 | e26 | 4860 | 217 | 369 | 407 | 150 | 57 | 18 | 17 |
26 | 26 | 32 | e19 | e25 | 2240 | 199 | 330 | 513 | 141 | 45 | 17 | 15 |
27 | 25 | 32 | e19 | e24 | 565 | 189 | 285 | 690 | 133 | 41 | 15 | 14 |
28 | 25 | 25 | e19 | e23 | 396 | 180 | 255 | 474 | 125 | 40 | 14 | 12 |
29 | 25 | 34 | e20 | e30 | --- | 173 | 233 | 388 | 120 | 39 | 13 | 11 |
30 | 25 | 30 | e20 | e130 | --- | 163 | 214 | 339 | 115 | 36 | 13 | 11 |
31 | 25 | --- | e20 | e240 | --- | 154 | --- | 490 | --- | 33 | 13 | --- |
TOTAL | 892 | 952 | 691 | 1169 | 23602 | 7975 | 8960 | 19630 | 13406 | 2132 | 810 | 575 |
MEAN | 28.8 | 31.7 | 22.3 | 37.7 | 843 | 257 | 299 | 633 | 447 | 68.8 | 26.1 | 19.2 |
MAX | 47 | 49 | 29 | 240 | 4860 | 527 | 749 | 2660 | 2810 | 180 | 124 | 67 |
MIN | 20 | 23 | 19 | 20 | 100 | 154 | 119 | 182 | 115 | 33 | 13 | 10 |
CFSM | .17 | .18 | .13 | .22 | 4.84 | 1.48 | 1.72 | 3.64 | 2.57 | .40 | .15 | .11 |
IN. | .19 | .20 | .15 | .25 | 5.05 | 1.71 | 1.92 | 4.20 | 2.87 | .46 | .17 | .12 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 56.3 | 67.6 | 73.4 | 92.7 | 166 | 181 | 201 | 189 | 184 | 124 | 64.7 | 54.7 |
MAX | 698 | 520 | 576 | 461 | 843 | 640 | 822 | 717 | 1020 | 1303 | 693 | 471 |
(WY) | 1999 | 1999 | 1983 | 1974 | 2001 | 1993 | 1973 | 1996 | 1990 | 1982 | 1993 | 1980 |
MIN | 2.40 | 2.96 | 2.63 | 2.74 | 5.29 | 19.1 | 11.4 | 7.68 | 10.9 | 1.24 | 2.75 | 1.82 |
(WY) | 1964 | 1957 | 1965 | 1977 | 1964 | 1956 | 1956 | 1989 | 1936 | 1989 | 1989 | 1988 |
SUMMARY STATISTICS | FOR 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1935 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 35855 | 80794 | ||||
ANNUAL MEAN | 98.0 | 221 | 122 | |||
HIGHEST ANNUAL MEAN | 399 | 1993 | ||||
LOWEST ANNUAL MEAN | 25.8 | 1940 | ||||
HIGHEST DAILY MEAN | 1420 | Jun 25 | 4860 | Feb 25 | 7030 | Oct 18 1998 |
LOWEST DAILY MEAN | 15 | A | 10 | Sep 5,17 | .53 | Aug 6 1989 |
ANNUAL SEVEN-DAY MINIMUM | 16 | Sep 5 | 11 | Aug 31 | .78 | Aug 1 1989 |
MAXIMUM PEAK FLOW | 6360 B | Feb 24 | 8900 C | Apr 22 1973 | ||
MAXIMUM PEAK STAGE | 29.25 D | Feb 9 | 29.25 D | Feb 9 2001 | ||
INSTANTANEOUS LOW FLOW | 9.5 | Sep 5,6 | ||||
ANNUAL RUNOFF (CFSM) | .56 | 1.27 | .70 | |||
ANNUAL RUNOFF (INCHES) | 7.67 | 17.27 | 9.55 | |||
10 PERCENT EXCEEDS | 228 | 524 | 265 | |||
50 PERCENT EXCEEDS | 42 | 47 | 47 | |||
90 PERCENT EXCEEDS | 20 | 19 | 6.7 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |