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 | 38 | 27 | e25 | 700 | 390 | 151 | 294 | 230 | 160 | 22 | 11 |
2 | 10 | 43 | 26 | e30 | 872 | 323 | 153 | 280 | 1510 | 217 | 20 | 10 |
3 | 10 | 55 | 25 | e36 | 819 | 945 | 143 | 270 | 1560 | 313 | 18 | 9.7 |
4 | 10 | 48 | 25 | e31 | 573 | 870 | 163 | 258 | 845 | 209 | 17 | 9.2 |
5 | 31 | 29 | 25 | e25 | 411 | 568 | 152 | 252 | 794 | 152 | 17 | 9.1 |
6 | 125 | 26 | 26 | e27 | 330 | 915 | 142 | 263 | 806 | 122 | 17 | 8.2 |
7 | 106 | 22 | 43 | e31 | 1580 | 775 | 140 | 560 | 525 | 104 | 17 | 8.3 |
8 | 72 | 20 | 30 | e29 | 2890 | 534 | 139 | 366 | 397 | 90 | 17 | 7.4 |
9 | 47 | 21 | 30 | e27 | 1760 | 461 | 225 | 284 | 322 | 79 | 16 | 6.9 |
10 | 24 | 126 | 28 | e26 | 1160 | 391 | 245 | 245 | 285 | 71 | 15 | 6.5 |
11 | 21 | 188 | 27 | e24 | 783 | 316 | 492 | 227 | 269 | 62 | 15 | 6.5 |
12 | 19 | 133 | 24 | e24 | 838 | 279 | 452 | 227 | 295 | 55 | 18 | 6.6 |
13 | 16 | 98 | 24 | e24 | 713 | 286 | 297 | 722 | 911 | 49 | 34 | 7.0 |
14 | 14 | 76 | 23 | e23 | 473 | 304 | 247 | 1620 | 2140 | 46 | 26 | 6.7 |
15 | 14 | 65 | 23 | e23 | 395 | 300 | 521 | 920 | 723 | 42 | 23 | 6.5 |
16 | 14 | 41 | 23 | e25 | 369 | 376 | 3230 | 604 | 432 | 38 | 21 | 6.5 |
17 | 13 | 34 | 22 | e50 | 350 | 557 | 3940 | 469 | 325 | 39 | 19 | 8.9 |
18 | 15 | 31 | 22 | e120 | 337 | 488 | 3640 | 462 | 264 | 42 | 17 | 8.3 |
19 | 15 | 32 | 22 | e330 | 302 | 356 | 2540 | 414 | 230 | 45 | 15 | 6.6 |
20 | 14 | 31 | 22 | e270 | 271 | 290 | 1250 | 340 | 209 | 56 | 14 | 6.1 |
21 | 13 | 29 | 25 | e220 | 250 | 259 | 1070 | 311 | 194 | 44 | 14 | 6.1 |
22 | 12 | 28 | 26 | e2000 | 232 | 242 | 1220 | 592 | 179 | 48 | 13 | 6.0 |
23 | 12 | 28 | 29 | e3500 | 218 | 218 | 902 | 532 | 173 | 39 | 12 | 6.0 |
24 | 12 | 26 | 24 | 3970 | 212 | 206 | 730 | 476 | 192 | 34 | 14 | 5.8 |
25 | 12 | 28 | 23 | 2480 | 203 | 194 | 589 | 378 | 259 | 29 | 14 | 5.7 |
26 | 12 | 33 | 22 | 1280 | 192 | 178 | 495 | 308 | 332 | 26 | 13 | 5.6 |
27 | 12 | 31 | 22 | 872 | 191 | 170 | 436 | 268 | 339 | 30 | 13 | 5.4 |
28 | 14 | 26 | 22 | 859 | 297 | 167 | 393 | 244 | 311 | 34 | 16 | 7.1 |
29 | 15 | 19 | 22 | 668 | --- | 164 | 350 | 229 | 214 | 39 | 15 | 14 |
30 | 37 | 26 | e20 | 474 | --- | 155 | 318 | 218 | 165 | 28 | 14 | 21 |
31 | 30 | --- | e22 | 411 | --- | 146 | --- | 220 | --- | 26 | 12 | --- |
TOTAL | 781 | 1431 | 774 | 17934 | 17721 | 11823 | 24765 | 12853 | 15430 | 2368 | 528 | 238.7 |
MEAN | 25.2 | 47.7 | 25.0 | 579 | 633 | 381 | 826 | 415 | 514 | 76.4 | 17.0 | 7.96 |
MAX | 125 | 188 | 43 | 3970 | 2890 | 945 | 3940 | 1620 | 2140 | 313 | 34 | 21 |
MIN | 10 | 19 | 20 | 23 | 191 | 146 | 139 | 218 | 165 | 26 | 12 | 5.4 |
CFSM | .06 | .11 | .06 | 1.34 | 1.47 | .88 | 1.91 | .96 | 1.19 | .18 | .04 | .02 |
IN. | .07 | .12 | .07 | 1.54 | 1.53 | 1.02 | 2.13 | 1.11 | 1.33 | .20 | .05 | .02 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1979 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 135 | 332 | 391 | 366 | 565 | 804 | 727 | 710 | 463 | 295 | 187 | 101 |
MAX | 1088 | 2278 | 1097 | 1679 | 2580 | 2088 | 2384 | 1656 | 1446 | 1320 | 1060 | 1116 |
(WY) | 1994 | 1986 | 1991 | 1993 | 1982 | 1979 | 1994 | 1995 | 1998 | 1993 | 1981 | 1993 |
MIN | 12.4 | 9.54 | 25.0 | 20.2 | 69.5 | 83.2 | 133 | 92.1 | 27.0 | 12.8 | 12.1 | 7.96 |
(WY) | 1981 | 1981 | 1999 | 1981 | 1989 | 1981 | 1986 | 1988 | 1988 | 1988 | 1991 | 1999 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1979 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 198294 | 106646.7 | ||||
ANNUAL MEAN | 543 | 292 | 422 | |||
HIGHEST ANNUAL MEAN | 901 | 1993 | ||||
LOWEST ANNUAL MEAN | 185 | 1987 | ||||
HIGHEST DAILY MEAN | 4970 | Jun 16 | 3970 | Jan 24 | 14400 | Apr 13 1994 |
LOWEST DAILY MEAN | 10 | Oct 1-4 | 5.4 | Sep 27 | 4.5 | Nov 20 1980 |
ANNUAL SEVEN-DAY MINIMUM | 11 | Sep 28 | 5.8 | Sep 21 | 5.1 | Nov 16 1980 |
INSTANTANEOUS PEAK FLOW | 4560 A | Jan 24 | 15500 | Apr 13 1994 | ||
INSTANTANEOUS PEAK STAGE | 8.50 B | Jan 23 | 20.46 | Apr 13 1994 | ||
INSTANTANEOUS LOW FLOW | 5.4 | Sep 26-28 | ||||
ANNUAL RUNOFF (CFSM) | 1.26 | .68 | .98 | |||
ANNUAL RUNOFF (INCHES) | 17.08 | 9.18 | 13.28 | |||
10 PERCENT EXCEEDS | 1550 | 748 | 1000 | |||
50 PERCENT EXCEEDS | 194 | 65 | 159 | |||
90 PERCENT EXCEEDS | 15 | 12 | 16 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |