DISCHARGE: October 1914 to September 1921, June 1928 to current year. Monthly discharge only for some periods, published in WSP 1305. |
STAGE: Water years 1994-2000. |
CHEMICAL: Water years 1978-91. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 173 | 51 | 40 | e41 | e41 | 380 | 231 | 284 | 1470 | 601 | 312 | 30 |
2 | 98 | 82 | 40 | 49 | e43 | 330 | 214 | 340 | 1180 | 513 | 197 | 28 |
3 | 91 | 63 | 40 | 74 | e45 | 272 | 219 | 363 | 981 | 471 | 146 | 27 |
4 | 87 | 57 | 41 | 78 | e47 | 243 | 216 | 358 | 811 | 440 | 124 | 32 |
5 | 82 | 68 | 54 | 89 | e48 | 230 | 234 | 319 | 848 | 788 | 127 | 26 |
6 | 119 | 53 | 69 | 157 | e50 | 213 | 209 | 287 | 871 | 1500 | 146 | 19 |
7 | 87 | 46 | 127 | 76 | e49 | 196 | 215 | 267 | 682 | 1000 | 117 | 19 |
8 | 89 | 46 | 107 | 71 | e47 | 212 | 224 | 260 | 588 | 645 | 53 | 20 |
9 | 98 | 49 | 73 | 70 | e50 | 214 | 236 | 423 | 540 | 471 | 48 | 28 |
10 | 119 | 49 | 67 | 58 | e64 | 211 | 212 | 526 | 529 | 428 | 40 | 36 |
11 | 129 | 43 | 59 | 50 | e80 | 184 | 236 | 442 | 557 | 750 | 37 | 34 |
12 | 90 | 43 | 63 | 46 | 126 | 179 | 224 | 446 | 485 | e660 | 33 | 88 |
13 | 70 | 45 | 55 | 42 | 179 | 170 | 205 | 579 | 482 | e587 | 33 | 92 |
14 | 64 | 48 | 85 | 37 | 145 | 184 | 165 | 333 | 900 | e387 | 31 | 142 |
15 | 58 | 46 | 70 | 34 | 128 | 204 | 149 | 280 | 998 | e333 | 28 | 81 |
16 | 56 | 46 | 99 | 40 | 121 | 203 | 154 | 249 | 852 | e252 | 27 | 60 |
17 | 62 | 46 | 84 | 32 | 139 | 199 | 395 | 252 | 636 | e194 | 27 | 52 |
18 | 56 | 45 | 75 | 42 | 264 | 175 | 855 | 361 | 518 | e152 | 32 | 50 |
19 | 53 | 45 | 65 | 31 | 812 | 193 | 684 | 506 | 431 | e137 | 28 | 43 |
20 | 53 | 46 | 58 | 35 | 912 | 707 | 537 | 670 | 388 | 132 | 37 | 38 |
21 | 52 | 46 | 43 | 38 | 633 | 1240 | 523 | 690 | 1560 | 116 | 39 | 38 |
22 | 48 | 47 | e36 | 38 | 415 | 904 | 641 | 515 | 2630 | 108 | 30 | 43 |
23 | 45 | 50 | e33 | e37 | 400 | 644 | 570 | 437 | 1960 | 89 | 31 | 50 |
24 | 44 | 55 | e31 | e34 | 379 | 544 | 499 | 407 | 1660 | 63 | 155 | 62 |
25 | 45 | 50 | e30 | e31 | 336 | 490 | 467 | e280 | 3230 | 53 | 143 | 95 |
26 | 45 | 55 | e30 | e30 | 325 | 429 | 436 | e800 | 2320 | 48 | 78 | 97 |
27 | 40 | 61 | e31 | e31 | 443 | 447 | 382 | 1920 | 1470 | 78 | 52 | 155 |
28 | 42 | 48 | e32 | e33 | 613 | 449 | 347 | 7210 | 1030 | 70 | 43 | 96 |
29 | 46 | 43 | e33 | e35 | 452 | 382 | 322 | 4910 | 854 | 66 | 40 | 68 |
30 | 46 | 40 | e35 | e37 | --- | 297 | 297 | 2820 | 729 | 52 | 37 | 67 |
31 | 47 | --- | e38 | e39 | --- | 263 | --- | 1960 | --- | 226 | 36 | --- |
TOTAL | 2234 | 1512 | 1743 | 1535 | 7386 | 10988 | 10298 | 29494 | 32190 | 11410 | 2307 | 1716 |
MEAN | 72.1 | 50.4 | 56.2 | 49.5 | 255 | 354 | 343 | 951 | 1073 | 368 | 74.4 | 57.2 |
MAX | 173 | 82 | 127 | 157 | 912 | 1240 | 855 | 7210 | 3230 | 1500 | 312 | 155 |
MIN | 40 | 40 | 30 | 30 | 41 | 170 | 149 | 249 | 388 | 48 | 27 | 19 |
CFSM | .06 | .04 | .04 | .04 | .20 | .27 | .27 | .74 | .83 | .29 | .06 | .04 |
IN. | .06 | .04 | .05 | .04 | .21 | .32 | .30 | .85 | .93 | .33 | .07 | .05 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1915 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 328 | 580 | 865 | 1139 | 1408 | 1706 | 1863 | 1679 | 1224 | 766 | 404 | 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 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1915 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 330042 | 112813 | ||||
ANNUAL MEAN | 904 | 308 | 1015 | |||
HIGHEST ANNUAL MEAN | 2694 | 1993 | ||||
LOWEST ANNUAL MEAN | 139 | 1954 | ||||
HIGHEST DAILY MEAN | 12500 | Jan 24 | 7210 | May 28 | 45100 | Apr 13 1994 |
LOWEST DAILY MEAN | 30 A | Dec 25, 26 | 19 | Sep 6, 7 | 2.0 | B |
ANNUAL SEVEN-DAY MINIMUM | 31 | Dec 23 | 24 | Sep 2 | 2.1 | Oct 8 1920 |
INSTANTANEOUS PEAK FLOW | 8400 | May 28 | 48700 C | Mar 13 1939 | ||
INSTANTANEOUS PEAK STAGE | 12.82 | May 28 | 31.56 D | Apr 13 1994 | ||
INSTANTANEOUS LOW FLOW | 17 | Sep 6, 7 | ||||
ANNUAL RUNOFF (CFSM) | .70 | .24 | .79 | |||
ANNUAL RUNOFF (INCHES) | 9.52 | 3.25 | 10.69 | |||
10 PERCENT EXCEEDS | 2260 | 686 | 2440 | |||
50 PERCENT EXCEEDS | 180 | 98 | 396 | |||
90 PERCENT EXCEEDS | 46 | 35 | 51 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |