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 | 17 | 65 | 35 | e20 | 461 | 255 | 155 | 330 | 204 | 82 | 13 | 4.0 |
2 | 18 | 55 | 32 | e21 | 522 | 264 | 147 | 296 | 1600 | 93 | 11 | 4.0 |
3 | 18 | 54 | 32 | e23 | 536 | 1190 | 143 | 272 | 1060 | 67 | 10 | 4.0 |
4 | 19 | 53 | 33 | e22 | 429 | 845 | 153 | 253 | 639 | 61 | 9.9 | 4.0 |
5 | 45 | 47 | 32 | e21 | 326 | 583 | 135 | 242 | 470 | 53 | 9.6 | 3.8 |
6 | 498 | 42 | 33 | e24 | 311 | 1070 | 116 | 229 | 347 | 49 | 8.7 | 3.9 |
7 | 310 | 43 | 38 | e28 | 1220 | 853 | 107 | 210 | 280 | 46 | 8.5 | 3.6 |
8 | 198 | 38 | 38 | e27 | 2470 | 598 | 102 | 190 | 240 | 44 | 8.7 | 3.4 |
9 | 111 | 35 | 33 | e25 | 1430 | 527 | 155 | 174 | 212 | 40 | 8.5 | 3.3 |
10 | 79 | 164 | 31 | e24 | 975 | 383 | 140 | 163 | 191 | 40 | 7.9 | 3.2 |
11 | 64 | 366 | 30 | e23 | 792 | 314 | 273 | 159 | 174 | 35 | 7.7 | 3.0 |
12 | 55 | 187 | 29 | e23 | 863 | 289 | 278 | 165 | 171 | 33 | 7.8 | 3.3 |
13 | 48 | 136 | 29 | e22 | 633 | 287 | 192 | 607 | 308 | 31 | 17 | 3.2 |
14 | 44 | 113 | 28 | e22 | 463 | 284 | 172 | 701 | 321 | 28 | 14 | 3.4 |
15 | 42 | 96 | 28 | e21 | 420 | 263 | 374 | 419 | 228 | 25 | 9.0 | 3.3 |
16 | 38 | 78 | 29 | e24 | 385 | 426 | 2040 | 310 | 172 | 20 | 7.7 | 3.3 |
17 | 37 | 71 | 29 | e33 | 355 | 885 | 3180 | 259 | 150 | 20 | 6.8 | 3.3 |
18 | 37 | 60 | 29 | e250 | 321 | 593 | 2110 | 248 | 129 | 37 | 5.5 | 3.3 |
19 | 40 | 60 | 29 | e600 | 294 | 387 | 1180 | 207 | 123 | 24 | 5.1 | 3.2 |
20 | 36 | 52 | 30 | e480 | 261 | 331 | 878 | 184 | 117 | 26 | 5.2 | 2.9 |
21 | 33 | 48 | 30 | e400 | 230 | 311 | 929 | 180 | 110 | 25 | 5.1 | 3.5 |
22 | 32 | 44 | 26 | e1600 | 210 | 260 | 967 | 397 | 104 | 22 | 4.7 | 2.9 |
23 | 31 | 43 | 28 | 5630 | 206 | 231 | 747 | 358 | 100 | 19 | 4.3 | 2.8 |
24 | 31 | 42 | 26 | 4440 | 199 | 216 | 571 | 334 | 101 | 19 | 4.7 | 2.8 |
25 | 31 | 42 | 26 | 2120 | 191 | 189 | 471 | 274 | 119 | 17 | 6.0 | 3.0 |
26 | 31 | 50 | 27 | 1220 | 180 | 179 | 414 | 218 | 101 | 16 | 5.9 | 3.8 |
27 | 31 | 40 | 28 | 1010 | 196 | 177 | 371 | 185 | 104 | 15 | 4.7 | 4.3 |
28 | 38 | 36 | 28 | 904 | 268 | 172 | 361 | 170 | 94 | 38 | 4.6 | 4.6 |
29 | 42 | 36 | e27 | 655 | --- | 164 | 460 | 158 | 83 | 22 | 4.3 | 24 |
30 | 58 | 35 | e24 | 518 | --- | 149 | 389 | 152 | 72 | 15 | 4.0 | 16 |
31 | 89 | --- | e19 | 445 | --- | 145 | --- | 169 | --- | 14 | 3.9 | --- |
TOTAL | 2201 | 2231 | 916 | 20675 | 15147 | 12820 | 17710 | 8213 | 8124 | 1076 | 233.8 | 137.1 |
MEAN | 71.0 | 74.4 | 29.5 | 667 | 541 | 414 | 590 | 265 | 271 | 34.7 | 7.54 | 4.57 |
MAX | 498 | 366 | 38 | 5630 | 2470 | 1190 | 3180 | 701 | 1600 | 93 | 17 | 24 |
MIN | 17 | 35 | 19 | 20 | 180 | 145 | 102 | 152 | 72 | 14 | 3.9 | 2.8 |
CFSM | .27 | .28 | .11 | 2.55 | 2.06 | 1.58 | 2.25 | 1.01 | 1.03 | .13 | .03 | .02 |
IN. | .31 | .32 | .13 | 2.94 | 2.15 | 1.82 | 2.51 | 1.17 | 1.15 | .15 | .03 | .02 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 132 | 247 | 246 | 387 | 332 | 560 | 557 | 576 | 467 | 280 | 80.2 | 66.0 |
MAX | 662 | 1162 | 1160 | 1387 | 892 | 1063 | 1728 | 1033 | 1565 | 1281 | 196 | 504 |
(WY) | 1994 | 1993 | 1991 | 1993 | 1990 | 1990 | 1994 | 1998 | 1998 | 1993 | 1993 | 1993 |
MIN | 6.73 | 9.68 | 14.4 | 40.2 | 54.7 | 123 | 152 | 96.9 | 140 | 16.3 | 6.74 | 3.68 |
(WY) | 1998 | 1998 | 1998 | 1990 | 1998 | 1996 | 1997 | 1992 | 1991 | 1991 | 1991 | 1991 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1989 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 156830 | 89483.9 | ||||
ANNUAL MEAN | 430 | 245 | 327 | |||
HIGHEST ANNUAL MEAN | 698 | 1993 | ||||
LOWEST ANNUAL MEAN | 181 | 1989 | ||||
HIGHEST DAILY MEAN | 7460 | Jun 16 | 5630 | Jan 23 | 14500 | Apr 12 1994 |
LOWEST DAILY MEAN | 11 | Jan 1 | 2.8 | Sep 23, 24 | 2.5 | A |
ANNUAL SEVEN-DAY MINIMUM | 16 | Sep 10 | 3.0 | Sep 19 | 2.7 | Sep 15 1991 |
INSTANTANEOUS PEAK FLOW | 6120 | Jan 23 | 20100 | B | ||
INSTANTANEOUS PEAK STAGE | 14.59 | Jan 23 | 22.45 | Apr 12 1994 | ||
INSTANTANEOUS LOW FLOW | 2.5 | Sep 22 | 2.3 | C | ||
ANNUAL RUNOFF (CFSM) | 1.64 | .94 | 1.25 | |||
ANNUAL RUNOFF (INCHES) | 22.27 | 12.71 | 16.98 | |||
10 PERCENT EXCEEDS | 1180 | 587 | 742 | |||
50 PERCENT EXCEEDS | 71 | 64 | 127 | |||
90 PERCENT EXCEEDS | 23 | 4.9 | 13 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |