DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 15 | 23 | 63 | 73 | 130 | 181 | 564 | 338 | 138 | 644 | 21 | 5.5 |
2 | 26 | e20 | 54 | 63 | 132 | 171 | 535 | 444 | 129 | 355 | 19 | 5.5 |
3 | 23 | e17 | 45 | 54 | 123 | 162 | 435 | 716 | 119 | 256 | 18 | 5.1 |
4 | 7.0 | e15 | 40 | 55 | 120 | 148 | 520 | 1510 | 114 | 236 | 19 | 5.3 |
5 | 9.3 | e14 | 37 | 91 | 116 | 132 | 577 | 1170 | 109 | 228 | 19 | 5.4 |
6 | 8.0 | e12 | 31 | 293 | 107 | 123 | 461 | 740 | 101 | 250 | 24 | 4.5 |
7 | 8.0 | e12 | 31 | 333 | 99 | 119 | 390 | 1130 | 93 | 351 | 33 | 4.4 |
8 | 8.6 | e12 | 29 | 578 | 93 | 182 | 794 | 2750 | 88 | 285 | e42 | 4.3 |
9 | 9.3 | e11 | 28 | 1150 | 87 | 832 | 1080 | 2350 | 184 | 220 | e29 | 3.6 |
10 | 9.4 | 11 | 29 | 938 | 84 | 1200 | 723 | 1300 | 312 | 183 | e24 | 4.9 |
11 | 10 | 10 | 30 | 552 | 95 | 875 | 497 | 796 | 518 | 149 | e20 | 3.3 |
12 | 10 | 9.2 | 29 | 353 | 204 | 544 | 396 | 527 | 1040 | 127 | e17 | 2.1 |
13 | 10 | 8.4 | 28 | 267 | 226 | 408 | 348 | 408 | 928 | 113 | 15 | 2.1 |
14 | 11 | 8.2 | 30 | 212 | 187 | 392 | 524 | 330 | 689 | 100 | 14 | 2.0 |
15 | 16 | 10 | 34 | 207 | 159 | 394 | 520 | 289 | 1130 | 86 | 15 | 1.9 |
16 | 13 | 11 | 30 | 173 | 150 | 353 | 402 | 261 | 2760 | 78 | 15 | 6.5 |
17 | 18 | 11 | 28 | 154 | 160 | 663 | 329 | 226 | 3800 | 68 | 14 | 4.3 |
18 | 15 | 9.6 | 28 | 136 | 291 | 2270 | 271 | 207 | 2280 | 60 | 12 | 3.1 |
19 | 14 | 10 | 29 | 122 | 351 | 2050 | 248 | 196 | 1370 | 55 | 12 | 3.2 |
20 | 21 | 11 | 30 | 114 | 306 | e1900 | 231 | 202 | 988 | 49 | 12 | 3.6 |
21 | 21 | 11 | 31 | 109 | 267 | 1780 | 236 | 189 | 651 | 44 | 11 | 5.3 |
22 | 18 | 12 | 33 | 105 | 231 | 1740 | 225 | e450 | 479 | 49 | 9.9 | 4.2 |
23 | 16 | 12 | 37 | 100 | 211 | 1330 | 204 | e1100 | 1210 | 99 | 8.8 | 3.3 |
24 | 18 | 11 | 41 | 94 | 190 | 935 | 191 | e950 | 1160 | 70 | 8.9 | 3.5 |
25 | 21 | 11 | 136 | 86 | 169 | 690 | 180 | e520 | 646 | 47 | 7.8 | 4.0 |
26 | 23 | 10 | 163 | 82 | 162 | 530 | 178 | 253 | 388 | 38 | 7.3 | 5.8 |
27 | 33 | 10 | 121 | 81 | 181 | 445 | 155 | 218 | 297 | 33 | 6.4 | 6.7 |
28 | 33 | 13 | 98 | 91 | 194 | 723 | 140 | 190 | 245 | 31 | 6.3 | 5.0 |
29 | 29 | 40 | e84 | 116 | --- | 931 | 150 | 171 | 507 | 27 | 6.4 | 3.3 |
30 | 29 | 50 | 75 | 130 | --- | 800 | 215 | 159 | 791 | 24 | 6.3 | 3.9 |
31 | 25 | --- | 58 | 127 | --- | 590 | --- | 153 | --- | 22 | 6.1 | --- |
TOTAL | 527.6 | 425.4 | 1560 | 7039 | 4825 | 23593 | 11719 | 20243 | 23264 | 4377 | 479.2 | 125.6 |
MEAN | 17.0 | 14.2 | 50.3 | 227 | 172 | 761 | 391 | 653 | 775 | 141 | 15.5 | 4.19 |
MAX | 33 | 50 | 163 | 1150 | 351 | 2270 | 1080 | 2750 | 3800 | 644 | 42 | 6.7 |
MIN | 7.0 | 8.2 | 28 | 54 | 84 | 119 | 140 | 153 | 88 | 22 | 6.1 | 1.9 |
CFSM | .07 | .06 | .21 | .95 | .72 | 3.17 | 1.63 | 2.72 | 3.23 | .59 | .06 | .02 |
IN. | .08 | .07 | .24 | 1.09 | .75 | 3.66 | 1.82 | 3.14 | 3.61 | .68 | .07 | .02 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1979 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 78.0 | 195 | 205 | 173 | 243 | 402 | 384 | 436 | 289 | 190 | 90.1 | 53.4 |
MAX | 645 | 1453 | 669 | 898 | 796 | 1225 | 1135 | 1349 | 775 | 935 | 711 | 605 |
(WY) | 1994 | 1986 | 1983 | 1993 | 1984 | 1979 | 1979 | 1981 | 1998 | 1981 | 1981 | 1993 |
MIN | .55 | 7.47 | 10.6 | 15.3 | 15.1 | 72.9 | 73.2 | 80.4 | 20.8 | 1.94 | .59 | .33 |
(WY) | 1989 | 1979 | 1980 | 1979 | 1979 | 1996 | 1986 | 1988 | 1988 | 1988 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1979 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 65852.4 | 98177.8 | ||||
ANNUAL MEAN | 180 | 269 | 228 | |||
HIGHEST ANNUAL MEAN | 499 | 1993 | ||||
LOWEST ANNUAL MEAN | 97.4 | 1988 | ||||
HIGHEST DAILY MEAN | 2370 | Feb 27 | 3800 | Jun 17 | 9250 | Apr 12 1994 |
LOWEST DAILY MEAN | 7.0 | Oct 4 | 1.9 | Sep 15 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 8.5 | Oct 4 | 2.8 | Sep 9 | .00 | Sep 13 1988 |
INSTANTANEOUS PEAK FLOW | 4200 | Jun 17 | 13000 | Apr 12 1994 | ||
INSTANTANEOUS PEAK STAGE | 16.28 | Jun 17 | 21.58 | Apr 12 1994 | ||
INSTANTANEOUS LOW FLOW | 1.4 | Sep 15 | ||||
ANNUAL RUNOFF (CFSM) | .75 | 1.12 | .95 | |||
ANNUAL RUNOFF (INCHES) | 10.21 | 15.22 | 12.91 | |||
10 PERCENT EXCEEDS | 493 | 760 | 560 | |||
50 PERCENT EXCEEDS | 71 | 99 | 91 | |||
90 PERCENT EXCEEDS | 11 | 7.2 | 5.2 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |