DISCHARGE: November 1909 to December 1912, August to December 1914, October 1945 to current year. |
STAGE: Water years 1994-2000. |
CHEMICAL: Water years 1979-91. |
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 | 12 | e25 | 12 | 18 | e15 | 95 | 55 | 68 | 233 | 1350 | 1380 | 301 |
2 | 13 | e40 | 11 | 19 | e16 | 79 | 51 | 57 | 162 | 683 | 609 | 223 |
3 | 15 | e50 | 49 | 29 | e17 | 71 | 46 | 48 | 125 | 494 | 336 | 175 |
4 | 15 | e30 | 270 | 50 | e18 | 72 | 42 | 44 | 102 | 350 | 218 | 136 |
5 | 13 | e42 | 251 | 50 | e19 | 82 | 39 | 41 | 88 | 252 | 185 | 107 |
6 | 11 | e37 | 148 | 43 | e21 | 80 | 38 | 36 | 78 | 418 | 313 | 90 |
7 | 11 | e32 | 86 | 39 | e23 | 74 | 58 | 245 | 70 | 1000 | 1480 | 81 |
8 | 15 | e34 | 59 | 31 | e26 | 64 | 48 | 1420 | 62 | 563 | 2650 | 73 |
9 | 27 | e23 | 53 | 25 | e28 | 57 | 68 | 891 | 52 | 316 | 2020 | 66 |
10 | 30 | e21 | 65 | e32 | e30 | 49 | 116 | 344 | 45 | 206 | 1080 | 174 |
11 | 35 | e20 | 105 | e30 | e33 | 49 | 76 | 181 | 39 | 458 | 482 | 667 |
12 | 23 | 19 | 64 | e29 | e33 | 48 | 57 | 124 | 38 | 1100 | 293 | 784 |
13 | e18 | 21 | 55 | e25 | 34 | 49 | 48 | 161 | 46 | 720 | 206 | 421 |
14 | e15 | 22 | 52 | e23 | 38 | 55 | 43 | 519 | 79 | 300 | 155 | 382 |
15 | e13 | 25 | 42 | e23 | 36 | 56 | 38 | 370 | 71 | 179 | 118 | 335 |
16 | e12 | 23 | 37 | e21 | 32 | 57 | 40 | 166 | 206 | 135 | 96 | 250 |
17 | e12 | 18 | 32 | e21 | 27 | 53 | 45 | 101 | 536 | 113 | 83 | 184 |
18 | e12 | 18 | 30 | e23 | 207 | 50 | 60 | 78 | 202 | 112 | 240 | 126 |
19 | e12 | 20 | 29 | e23 | 493 | 54 | 121 | 62 | 184 | 1910 | 398 | 98 |
20 | e15 | 17 | 27 | e23 | 243 | 82 | 101 | 51 | 122 | 2820 | 167 | 77 |
21 | e15 | 16 | 26 | e24 | 144 | 182 | 85 | 63 | 274 | 2970 | 102 | 69 |
22 | e15 | 15 | 23 | e27 | 92 | 207 | 97 | 59 | 1830 | 1690 | 80 | 60 |
23 | e15 | 17 | 21 | e29 | 71 | 172 | 110 | 48 | 1430 | 569 | 70 | 56 |
24 | e14 | 17 | 21 | e32 | 59 | 126 | 95 | 43 | 2760 | 305 | 1130 | 65 |
25 | e13 | 17 | 19 | e21 | 53 | 98 | 114 | 38 | 3490 | 187 | 2720 | 233 |
26 | e13 | 15 | e18 | e19 | 61 | 80 | 194 | 73 | 3640 | 129 | 3100 | 1520 |
27 | e14 | 14 | 18 | e17 | 100 | 77 | 174 | 640 | 4090 | 97 | 3740 | 2140 |
28 | e13 | 14 | 16 | e16 | 131 | 73 | 117 | 2340 | 4630 | 1090 | 3490 | 1430 |
29 | e14 | 16 | 15 | e15 | 117 | 71 | 91 | 2290 | 4700 | 2810 | 1730 | 733 |
30 | e15 | 14 | 16 | e15 | --- | 74 | 80 | 1090 | 2940 | 3090 | 721 | 464 |
31 | e15 | --- | 17 | e15 | --- | 63 | --- | 428 | --- | 2790 | 435 | --- |
TOTAL | 485 | 692 | 1687 | 807 | 2217 | 2499 | 2347 | 12119 | 32324 | 29206 | 29827 | 11520 |
MEAN | 15.6 | 23.1 | 54.4 | 26.0 | 76.4 | 80.6 | 78.2 | 391 | 1077 | 942 | 962 | 384 |
MAX | 35 | 50 | 270 | 50 | 493 | 207 | 194 | 2340 | 4700 | 3090 | 3740 | 2140 |
MIN | 11 | 14 | 11 | 15 | 15 | 48 | 38 | 36 | 38 | 97 | 70 | 56 |
CFSM | .02 | .03 | .07 | .04 | .10 | .11 | .11 | .53 | 1.47 | 1.28 | 1.31 | .52 |
IN. | .02 | .04 | .09 | .04 | .11 | .13 | .12 | .61 | 1.64 | 1.48 | 1.51 | .58 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1910 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 168 | 290 | 552 | 666 | 906 | 986 | 985 | 769 | 521 | 320 | 188 | 139 |
MAX | 1704 | 2557 | 3925 | 4171 | 4385 | 4334 | 3062 | 4021 | 3697 | 1853 | 1493 | 1774 |
(WY) | 1970 | 1947 | 1983 | 1950 | 1982 | 1978 | 1979 | 1990 | 1957 | 1957 | 1946 | 1993 |
MIN | 1.19 | 4.65 | 8.03 | 6.31 | 8.97 | 11.9 | 56.0 | 12.3 | 15.9 | 2.50 | 7.38 | 2.32 |
(WY) | 1957 | 1955 | 1955 | 1977 | 1954 | 1954 | 1954 | 1954 | 1988 | 1954 | 1953 | 1953 |
SUMMARY STATISTICS | FOR 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1910 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 206393 | 125730 | ||||
ANNUAL MEAN | 565 | 344 | 538 | |||
HIGHEST ANNUAL MEAN | 1067 | 1973, 1974 | ||||
LOWEST ANNUAL MEAN | 28.5 | 1954 | ||||
HIGHEST DAILY MEAN | 10500 | Feb 10 | 4700 | Jun 29 | 22200 | Jun 17 1957 |
LOWEST DAILY MEAN | 10 A | Sep 27,28 | 11 | B | .00 | C |
ANNUAL SEVEN-DAY MINIMUM | 11 | Sep 24 | 13 | Oct 1 | .00 | Jul 27 1954 |
INSTANTANEOUS PEAK FLOW | 4890 | Jun 29 | 23100 D | Jan 6 1950 | ||
INSTANTANEOUS PEAK STAGE | 17.14 | Jun 29 | 23.02 E | Apr 14 1979 | ||
ANNUAL RUNOFF (CFSM) | .77 | .47 | .73 | |||
ANNUAL RUNOFF (INCHES) | 10.45 | 6.36 | 9.94 | |||
10 PERCENT EXCEEDS | 1620 | 1080 | 1430 | |||
50 PERCENT EXCEEDS | 87 | 64 | 107 | |||
90 PERCENT EXCEEDS | 14 | 15 | 13 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |