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 | 10 | 8.6 | 14 | e30 | 1680 | 187 | 98 | 123 | 24 | 30 | 16 | 11 |
2 | 11 | 14 | 13 | e500 | 1350 | 137 | 102 | 98 | 1400 | 30 | 15 | 11 |
3 | 11 | 11 | 14 | e930 | 797 | 118 | 471 | 78 | 1080 | 30 | 15 | 9.7 |
4 | 10 | 9.3 | 16 | e400 | 398 | 86 | 1490 | 69 | 449 | 28 | 15 | 9.0 |
5 | 10 | 8.8 | 17 | e200 | 252 | 82 | 1400 | 374 | 335 | 24 | 14 | 9.5 |
6 | 14 | 8.4 | 20 | e110 | 202 | 351 | 2130 | 852 | 211 | 23 | 14 | 11 |
7 | 49 | 9.2 | 90 | e90 | 511 | 283 | 2100 | 827 | 173 | 22 | 14 | 11 |
8 | 100 | 12 | 113 | e70 | 474 | 187 | 1360 | 349 | 120 | 21 | 16 | 11 |
9 | 27 | 11 | 44 | e60 | 278 | 952 | 583 | 175 | 85 | 23 | 17 | 11 |
10 | 15 | 18 | 29 | e53 | 201 | 739 | 297 | 122 | 69 | 27 | 18 | 11 |
11 | 10 | 28 | 24 | e50 | 178 | 387 | 219 | 96 | 53 | 43 | 17 | 9.9 |
12 | 7.3 | 29 | 22 | e90 | 615 | 249 | 148 | 81 | 43 | 26 | 16 | 9.1 |
13 | 6.5 | 14 | 22 | e300 | 341 | 185 | 121 | 72 | 41 | 21 | 15 | 8.9 |
14 | 6.6 | 13 | 21 | 449 | 215 | 181 | 110 | 67 | 80 | 20 | 14 | 8.7 |
15 | 7.8 | 14 | 17 | 189 | 171 | 269 | 572 | 58 | 91 | 22 | 13 | 7.5 |
16 | 7.2 | 14 | 17 | 145 | 148 | 606 | 528 | 50 | 49 | 21 | 13 | 6.7 |
17 | 6.4 | 12 | 15 | 184 | 127 | 1270 | 269 | 50 | 36 | 20 | 12 | 7.7 |
18 | 7.8 | 10 | 14 | 703 | 112 | 1010 | 187 | 81 | 28 | 24 | 12 | 8.8 |
19 | 9.5 | 13 | 14 | 382 | 102 | 488 | 149 | 70 | 23 | 36 | 12 | 8.1 |
20 | 9.8 | 20 | 12 | 231 | 89 | 291 | 127 | 49 | 22 | 25 | 12 | 7.6 |
21 | 8.8 | 55 | 320 | 173 | 79 | 232 | 109 | 35 | 23 | 21 | 12 | 7.5 |
22 | 7.7 | 32 | 1180 | 2010 | 69 | 181 | 112 | 30 | 23 | 27 | 12 | 7.6 |
23 | 5.8 | 19 | 611 | 3770 | 67 | 182 | 93 | 31 | 22 | 27 | 11 | 7.6 |
24 | 5.5 | 14 | 175 | 3150 | 87 | 246 | 69 | 22 | 20 | 25 | 12 | 8.9 |
25 | 4.9 | 14 | 99 | 1760 | 88 | 174 | 53 | 19 | 23 | 23 | 12 | 9.2 |
26 | 3.3 | 14 | 78 | 706 | 79 | 135 | 57 | 18 | 28 | 19 | 10 | 9.9 |
27 | 3.0 | 12 | 65 | 348 | 84 | 116 | 75 | 20 | 28 | 19 | 12 | 9.4 |
28 | 3.7 | 11 | e42 | 257 | 313 | 106 | 249 | 22 | 29 | 18 | 13 | 7.8 |
29 | 4.1 | 12 | e37 | 181 | --- | 96 | 274 | 22 | 26 | 19 | 12 | 7.6 |
30 | 4.2 | 13 | e33 | 145 | --- | 83 | 191 | 21 | 24 | 19 | 13 | 9.2 |
31 | 4.1 | --- | e30 | 1190 | --- | 83 | --- | 22 | --- | 17 | 12 | --- |
TOTAL | 391.0 | 473.3 | 3218 | 18856 | 9107 | 9692 | 13743 | 4003 | 4658 | 750 | 421 | 272.9 |
MEAN | 12.6 | 15.8 | 104 | 608 | 325 | 313 | 458 | 129 | 155 | 24.2 | 13.6 | 9.10 |
MAX | 100 | 55 | 1180 | 3770 | 1680 | 1270 | 2130 | 852 | 1400 | 43 | 18 | 11 |
MIN | 3.0 | 8.4 | 12 | 30 | 67 | 82 | 53 | 18 | 20 | 17 | 10 | 6.7 |
CFSM | .09 | .11 | .71 | 4.14 | 2.21 | 2.13 | 3.12 | .88 | 1.06 | .16 | .09 | .06 |
IN. | .10 | .12 | .81 | 4.77 | 2.30 | 2.45 | 3.48 | 1.01 | 1.18 | .19 | .11 | .07 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1966 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 20.8 | 114 | 201 | 219 | 277 | 326 | 338 | 264 | 117 | 39.0 | 37.7 | 20.4 |
MAX | 157 | 643 | 1193 | 608 | 864 | 837 | 922 | 1115 | 633 | 163 | 485 | 110 |
(WY) | 1985 | 1986 | 1983 | 1999 | 1989 | 1979 | 1983 | 1983 | 1997 | 1976 | 1985 | 1992 |
MIN | 2.57 | 4.05 | 8.22 | 10.7 | 42.3 | 28.6 | 22.3 | 15.4 | 6.10 | 1.88 | 5.34 | 1.67 |
(WY) | 1967 | 1972 | 1977 | 1981 | 1996 | 1981 | 1981 | 1988 | 1972 | 1966 | 1994 | 1966 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1966 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 50451.9 | 65585.2 | ||||
ANNUAL MEAN | 138 | 180 | 164 | |||
HIGHEST ANNUAL MEAN | 332 | 1985 | ||||
LOWEST ANNUAL MEAN | 51.0 | 1967 | ||||
HIGHEST DAILY MEAN | 1760 | Jun 15 | 3770 | Jan 23 | 4880 | Dec 26 1982 |
LOWEST DAILY MEAN | 3.0 | Oct 27 | 3.0 | Oct 27 | .60 | A |
ANNUAL SEVEN-DAY MINIMUM | 3.9 | Oct 25 | 3.9 | Oct 25 | .77 | Sep 1 1966 |
INSTANTANEOUS PEAK FLOW | 3940 | Jan 23 | 5160 | Jan 31 1982 | ||
INSTANTANEOUS PEAK STAGE | 15.30 | Jan 23 | 16.32 | Jan 31 1982 | ||
INSTANTANEOUS LOW FLOW | 2.7 | Oct 27 | ||||
ANNUAL RUNOFF (CFSM) | .94 | 1.22 | 1.11 | |||
ANNUAL RUNOFF (INCHES) | 12.77 | 16.60 | 15.15 | |||
10 PERCENT EXCEEDS | 346 | 458 | 412 | |||
50 PERCENT EXCEEDS | 33 | 29 | 31 | |||
90 PERCENT EXCEEDS | 11 | 9.1 | 5.7 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |