DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 7.5 | 13 | 22 | e14 | 3640 | 129 | 39 | 51 | 299 | 109 | 9.4 | 2.2 |
2 | 6.9 | 21 | 22 | e23 | 442 | 101 | 38 | 45 | 535 | 167 | 8.3 | 2.1 |
3 | 6.9 | 296 | 20 | e28 | 205 | 97 | 46 | 41 | 104 | 40 | 8.0 | 2.1 |
4 | 7.0 | 92 | 19 | e30 | 135 | 87 | 67 | 39 | 70 | 28 | 7.6 | 2.1 |
5 | 7.8 | 43 | 19 | e32 | 104 | 81 | 51 | 166 | 151 | 22 | 7.0 | 1.9 |
6 | 69 | 30 | 20 | e30 | 96 | 188 | 67 | 951 | 51 | 118 | 6.9 | 1.9 |
7 | 61 | 23 | 27 | e27 | 5320 | 117 | 69 | 262 | 34 | 99 | 6.9 | 1.7 |
8 | 25 | 21 | 24 | e25 | 3600 | 91 | 48 | 81 | 29 | 32 | 13 | 1.6 |
9 | 14 | 23 | 20 | e23 | 319 | 315 | 240 | 56 | 27 | 232 | 9.0 | 1.5 |
10 | 11 | 361 | 18 | e21 | 190 | 490 | 100 | 47 | 24 | 684 | 6.4 | 1.4 |
11 | 9.0 | 266 | 17 | e23 | 279 | 183 | 85 | 42 | 276 | 83 | 5.3 | 1.4 |
12 | 8.3 | 64 | 17 | e28 | 898 | 105 | 63 | 45 | 343 | 40 | 4.8 | 1.5 |
13 | 7.7 | 42 | 17 | e40 | 200 | 85 | 49 | 994 | 1060 | 30 | 4.7 | 1.8 |
14 | 7.3 | 35 | 16 | e60 | 140 | 76 | 46 | 299 | 2430 | 25 | 4.4 | 1.7 |
15 | 6.9 | 30 | 15 | e85 | 125 | 66 | 684 | 90 | 224 | 23 | 4.4 | 1.8 |
16 | 6.8 | 27 | 16 | e74 | 117 | 61 | 635 | 65 | 172 | 21 | 3.9 | 1.8 |
17 | 8.1 | 24 | 16 | e280 | 113 | 58 | 235 | 52 | 54 | 20 | 3.7 | 1.6 |
18 | 29 | 22 | 16 | 1660 | 104 | 53 | 125 | 46 | 45 | 19 | 3.6 | 1.4 |
19 | 23 | 21 | 16 | 971 | 96 | 48 | 92 | 42 | 40 | 18 | 3.6 | 1.3 |
20 | 14 | 23 | e16 | 463 | 90 | 47 | 78 | 35 | 36 | 16 | 3.6 | 1.4 |
21 | 11 | 21 | e15 | 798 | 84 | 46 | 76 | 34 | 33 | 17 | 3.3 | 1.5 |
22 | 9.0 | 19 | e15 | 2780 | 79 | 43 | 80 | 50 | 30 | 17 | 3.2 | 1.8 |
23 | 8.3 | 19 | e14 | 2500 | 79 | 52 | 59 | 38 | 29 | 14 | 3.5 | 1.6 |
24 | 8.2 | 18 | e14 | 966 | 84 | 55 | 54 | 33 | 34 | 21 | 9.9 | 1.5 |
25 | 8.5 | 18 | e14 | 225 | 88 | 47 | 52 | 29 | 32 | 19 | 7.8 | 1.4 |
26 | 8.5 | 19 | e14 | 141 | 86 | 42 | 87 | 26 | 28 | 14 | 4.7 | 1.3 |
27 | 8.5 | 19 | e14 | 115 | 296 | 41 | 94 | 23 | 28 | 16 | 3.6 | 1.3 |
28 | 8.3 | 17 | e13 | 99 | 341 | 41 | 237 | 22 | 25 | 15 | 3.2 | 1.7 |
29 | 8.8 | 18 | e15 | 84 | --- | 40 | 135 | 21 | 23 | 14 | 2.8 | 2.9 |
30 | 9.8 | 21 | e16 | 76 | --- | 38 | 68 | 20 | 21 | 13 | 2.6 | 2.3 |
31 | 23 | --- | e16 | 1990 | --- | 37 | --- | 55 | --- | 11 | 2.5 | --- |
TOTAL | 448.1 | 1666 | 533 | 13711 | 17350 | 2960 | 3799 | 3800 | 6287 | 1997 | 171.6 | 51.5 |
MEAN | 14.5 | 55.5 | 17.2 | 442 | 620 | 95.5 | 127 | 123 | 210 | 64.4 | 5.54 | 1.72 |
MAX | 69 | 361 | 27 | 2780 | 5320 | 490 | 684 | 994 | 2430 | 684 | 13 | 2.9 |
MIN | 6.8 | 13 | 13 | 14 | 79 | 37 | 38 | 20 | 21 | 11 | 2.5 | 1.3 |
CFSM | .10 | .37 | .11 | 2.91 | 4.08 | .63 | .83 | .81 | 1.38 | .42 | .04 | .01 |
IN. | .11 | .41 | .13 | 3.36 | 4.25 | .72 | .93 | .93 | 1.54 | .49 | .04 | .01 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 27.6 | 116 | 207 | 154 | 241 | 280 | 236 | 184 | 112 | 68.5 | 27.0 | 40.2 |
MAX | 276 | 666 | 1443 | 617 | 775 | 1024 | 825 | 1058 | 429 | 305 | 113 | 444 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1985 | 1978 | 1994 | 1990 | 1973 | 1982 | 1979 | 1993 |
MIN | .42 | 1.93 | 3.44 | 1.94 | 16.4 | 20.4 | 20.9 | 10.9 | 2.63 | 2.46 | .43 | .056 |
(WY) | 1989 | 1972 | 1990 | 1977 | 1978 | 1981 | 1986 | 1988 | 1988 | 1988 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1971 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 61186.8 | 52774.2 | ||||
ANNUAL MEAN | 168 | 145 | 140 | |||
HIGHEST ANNUAL MEAN | 254 | 1984 | ||||
LOWEST ANNUAL MEAN | 28.9 | 1992 | ||||
HIGHEST DAILY MEAN | 4400 | Apr 16 | 5320 | Feb 7 | 13800 | Dec 25 1982 |
LOWEST DAILY MEAN | 4.8 | Sep 12-14 | 1.3 | Sep 19,26-27 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 5.0 | Sep 8 | 1.5 | Sep 21 | .00 | Aug 12 1988 |
INSTANTANEOUS PEAK FLOW | 9810 | Feb 7 | 17900 B | Dec 25 1982 | ||
INSTANTANEOUS PEAK STAGE | 19.33 | Feb 7 | 20.91 C | May 26 1990 | ||
INSTANTANEOUS LOW FLOW | 1.2 | Sep 19,26-27 | ||||
ANNUAL RUNOFF (CFSM) | 1.10 | .95 | .92 | |||
ANNUAL RUNOFF (INCHES) | 14.97 | 12.92 | 12.56 | |||
10 PERCENT EXCEEDS | 344 | 249 | 202 | |||
50 PERCENT EXCEEDS | 34 | 29 | 22 | |||
90 PERCENT EXCEEDS | 8.3 | 3.4 | 2.3 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |