DISCHARGE: October 1942 to current year. |
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 | 9.5 | 21 | 17 | 15 | e12 | 20 | 18 | 84 | 193 | 275 | 18 | 13 |
2 | 9.8 | 22 | 17 | 15 | e12 | 19 | 19 | 95 | 172 | 243 | 17 | 12 |
3 | 12 | 21 | 17 | 16 | e12 | 17 | 19 | 97 | 164 | 216 | 17 | 13 |
4 | 23 | 23 | 18 | 18 | e13 | 16 | 18 | 89 | 151 | 206 | 16 | 13 |
5 | 14 | 22 | 41 | 15 | e13 | 16 | 17 | 81 | 182 | 397 | 25 | 16 |
6 | 12 | 21 | 27 | 14 | e13 | 15 | 16 | 80 | 161 | 304 | 25 | 15 |
7 | 12 | 20 | 18 | 14 | e13 | 15 | 17 | 73 | 135 | 256 | 18 | 13 |
8 | 15 | 20 | 16 | 14 | e14 | 15 | 21 | 74 | 111 | 210 | 16 | 11 |
9 | 22 | 20 | 15 | 15 | e14 | 15 | 17 | 75 | 93 | 173 | 16 | 11 |
10 | 21 | 20 | 19 | 15 | e15 | 15 | 15 | 82 | 82 | 153 | 15 | 11 |
11 | 16 | 19 | 16 | 14 | e16 | 14 | 35 | 82 | 76 | 267 | 14 | 11 |
12 | 13 | 19 | 16 | 14 | e16 | 15 | 28 | 78 | 107 | 187 | 14 | 14 |
13 | 14 | 19 | 15 | 14 | 16 | 15 | 22 | 164 | 160 | 158 | 15 | 12 |
14 | 14 | 19 | 16 | 13 | 15 | 15 | 21 | 107 | 142 | 133 | 14 | 11 |
15 | 14 | 19 | 18 | 13 | 14 | 15 | 20 | 90 | 122 | 113 | 13 | 11 |
16 | 16 | 19 | 18 | 13 | 14 | 16 | 22 | 81 | 107 | 99 | 13 | 11 |
17 | 21 | 18 | 17 | 13 | 14 | 15 | 40 | 74 | 100 | 83 | 14 | 10 |
18 | 18 | 19 | 16 | 13 | 60 | 13 | 33 | 67 | 93 | 71 | 22 | 10 |
19 | 17 | 18 | 16 | e12 | 61 | 24 | 28 | 68 | 78 | 73 | 14 | 10 |
20 | 17 | 18 | 15 | e12 | 39 | 63 | 142 | 82 | 118 | 54 | 13 | 11 |
21 | 16 | 18 | e14 | e11 | 31 | 52 | 161 | 86 | 722 | 44 | 13 | 11 |
22 | 16 | 18 | e14 | e10 | 27 | 38 | 105 | 81 | 405 | 38 | 14 | 11 |
23 | 17 | 19 | e14 | e9.7 | 25 | 33 | 81 | 84 | 413 | 35 | 16 | 11 |
24 | 17 | 21 | e14 | e9.3 | 24 | 31 | 146 | 92 | 665 | 32 | 20 | 16 |
25 | 21 | 19 | e14 | e9.0 | 22 | 29 | 129 | 85 | 662 | 25 | 14 | 16 |
26 | 17 | 25 | e13 | e9.2 | 21 | 26 | 96 | 78 | 598 | 22 | 14 | 15 |
27 | 16 | 18 | e13 | e9.4 | 24 | 26 | 85 | 173 | 511 | 21 | 13 | 12 |
28 | 17 | 16 | e14 | e9.7 | 21 | 25 | 89 | 188 | 432 | 20 | 17 | 10 |
29 | 18 | 17 | e14 | e10 | 20 | 23 | 90 | 205 | 362 | 19 | 17 | 10 |
30 | 19 | 17 | e15 | e11 | --- | 20 | 93 | 208 | 313 | 20 | 15 | 10 |
31 | 20 | --- | 15 | e11 | --- | 19 | --- | 199 | --- | 23 | 16 | --- |
TOTAL | 504.3 | 585 | 522 | 391.3 | 611 | 690 | 1643 | 3202 | 7630 | 3970 | 498 | 361 |
MEAN | 16.3 | 19.5 | 16.8 | 12.6 | 21.1 | 22.3 | 54.8 | 103 | 254 | 128 | 16.1 | 12.0 |
MAX | 23 | 25 | 41 | 18 | 61 | 63 | 161 | 208 | 722 | 397 | 25 | 16 |
MIN | 9.5 | 16 | 13 | 9.0 | 12 | 13 | 15 | 67 | 76 | 19 | 13 | 10 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1978 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 121 | 169 | 249 | 222 | 309 | 556 | 506 | 523 | 354 | 238 | 138 | 61.0 |
MAX | 1069 | 1236 | 1268 | 1316 | 975 | 2129 | 1704 | 1648 | 850 | 1370 | 1576 | 658 |
(WY) | 1994 | 1986 | 1983 | 1993 | 1982 | 1982 | 1979 | 1995 | 1999 | 1981 | 1981 | 1993 |
MIN | 8.31 | 9.77 | 12.1 | 11.0 | 14.9 | 22.3 | 54.8 | 45.2 | 13.7 | 8.51 | 6.57 | 5.46 |
(WY) | 1989 | 1989 | 1996 | 1980 | 1989 | 2000 | 2000 | 1988 | 1988 | 1988 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1978 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 94273.1 | 20607.6 | ||||
ANNUAL MEAN | 258 | 56.3 | 287 | |||
HIGHEST ANNUAL MEAN | 601 | 1993 | ||||
LOWEST ANNUAL MEAN | 56.3 | 2000 | ||||
HIGHEST DAILY MEAN | 2020 | Jun 25 | 722 | Jun 21 | 6960 | Apr 13 1994 |
LOWEST DAILY MEAN | 6.0 | Sep 27 | 9.0 A | Jan 25 | 3.7 | Sep 8 1988 |
ANNUAL SEVEN-DAY MINIMUM | 6.6 | Sep 21 | 9.5 | Jan 22 | 4.1 | Sep 4 1988 |
INSTANTANEOUS PEAK FLOW | 1060 | Jun 21 | 7810 | Apr 13 1994 | ||
INSTANTANEOUS PEAK STAGE | 16.81 | Jun 21 | 24.04 | Apr 13 1994 | ||
INSTANTANEOUS LOW FLOW | B | |||||
10 PERCENT EXCEEDS | 719 | 152 | 727 | |||
50 PERCENT EXCEEDS | 61 | 18 | 116 | |||
90 PERCENT EXCEEDS | 12 | 12 | 11 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |