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 | 15 | 9.0 | 18 | e10 | 369 | 123 | 101 | 397 | 153 | 524 | 24 | 9.8 |
2 | 20 | 9.1 | 18 | e13 | 384 | 125 | 95 | 350 | 275 | 360 | 21 | 8.9 |
3 | 16 | 9.3 | 14 | e17 | 341 | 209 | 137 | 320 | 230 | 220 | 19 | 8.2 |
4 | 14 | 12 | 11 | e14 | 277 | 189 | 155 | 298 | 428 | 173 | 19 | 8.4 |
5 | 15 | 13 | 9.9 | e11 | 208 | 177 | 126 | 293 | 1070 | 150 | 18 | 7.8 |
6 | 17 | 9.6 | 10 | e12 | 193 | 186 | 128 | 326 | 431 | 136 | 18 | 7.2 |
7 | 20 | 8.3 | 13 | e14 | 419 | 162 | 110 | 333 | 302 | 127 | 18 | 6.5 |
8 | 22 | 7.8 | 16 | e13 | 796 | 163 | 107 | 281 | 248 | 116 | 119 | 6.2 |
9 | 17 | 7.9 | 14 | e13 | 606 | 178 | 138 | 244 | 214 | 108 | 58 | 6.0 |
10 | 17 | 25 | 12 | e12 | 464 | 163 | 114 | 229 | 191 | 98 | 39 | 5.5 |
11 | 15 | 47 | 10 | e12 | 395 | 142 | 110 | 218 | 269 | 83 | 32 | 5.5 |
12 | 13 | 25 | 9.3 | e11 | 359 | 144 | 94 | 257 | 876 | 77 | 34 | 5.7 |
13 | 13 | 16 | 8.8 | e11 | 289 | 161 | 87 | 1470 | 3650 | 73 | 101 | 6.2 |
14 | 12 | 13 | 8.5 | e10 | 246 | 159 | 90 | 998 | 4110 | 69 | 53 | 5.7 |
15 | 12 | 12 | 8.4 | e10 | 233 | 167 | 147 | 611 | 1100 | 62 | 34 | 6.2 |
16 | 14 | 12 | 8.3 | e10 | 225 | 217 | 1150 | 458 | 593 | 56 | 26 | 6.5 |
17 | 16 | 9.3 | 8.1 | e11 | 213 | 320 | 1620 | 499 | 444 | 53 | 23 | 6.1 |
18 | 17 | 8.3 | 8.0 | e12 | 198 | 263 | 898 | 570 | 358 | 50 | 21 | 5.3 |
19 | 28 | 7.5 | 11 | e14 | 180 | 195 | 653 | 380 | 309 | 46 | 18 | 5.0 |
20 | 15 | 7.1 | 11 | e16 | 162 | 178 | 520 | 312 | 275 | 198 | 17 | 4.8 |
21 | 8.4 | 6.5 | 12 | e20 | 143 | 173 | 499 | 277 | 249 | 87 | 15 | 4.5 |
22 | 5.6 | 6.4 | 15 | e200 | 131 | 152 | 453 | 266 | 231 | 57 | 13 | 4.1 |
23 | 5.4 | 6.2 | 17 | 1150 | 135 | 145 | 474 | 240 | 218 | 47 | 14 | 4.1 |
24 | 4.9 | 6.1 | 14 | 1380 | 128 | 133 | 404 | 240 | 204 | 42 | 21 | 3.7 |
25 | 4.7 | 6.4 | 14 | 607 | 128 | 118 | 362 | 210 | 187 | 37 | 23 | 3.4 |
26 | 5.0 | 6.5 | 12 | 439 | 121 | 110 | 339 | 190 | 176 | 33 | 18 | 3.4 |
27 | 5.0 | 8.1 | 10 | 437 | 136 | 111 | 355 | 178 | 171 | 32 | 16 | 3.6 |
28 | 9.6 | 6.8 | 9.9 | 461 | 140 | 108 | 950 | 173 | 172 | 55 | 14 | 3.7 |
29 | 17 | 6.4 | e9.0 | 316 | --- | 101 | 646 | 162 | 156 | 76 | 12 | 5.1 |
30 | 14 | 7.3 | e8.0 | 249 | --- | 93 | 473 | 152 | 138 | 41 | 10 | 14 |
31 | 12 | --- | e7.5 | 231 | --- | 94 | --- | 151 | --- | 32 | 9.3 | --- |
TOTAL | 419.6 | 334.9 | 355.7 | 5736 | 7619 | 4959 | 11535 | 11083 | 17428 | 3318 | 877.3 | 181.1 |
MEAN | 13.5 | 11.2 | 11.5 | 185 | 272 | 160 | 384 | 358 | 581 | 107 | 28.3 | 6.04 |
MAX | 28 | 47 | 18 | 1380 | 796 | 320 | 1620 | 1470 | 4110 | 524 | 119 | 14 |
MIN | 4.7 | 6.1 | 7.5 | 10 | 121 | 93 | 87 | 151 | 138 | 32 | 9.3 | 3.4 |
CFSM | .06 | .05 | .05 | .82 | 1.20 | .70 | 1.69 | 1.57 | 2.56 | .47 | .12 | .03 |
IN. | .07 | .05 | .06 | .94 | 1.25 | .81 | 1.89 | 1.82 | 2.86 | .54 | .14 | .03 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 56.8 | 89.1 | 158 | 167 | 214 | 293 | 338 | 275 | 236 | 126 | 75.3 | 59.9 |
MAX | 523 | 877 | 954 | 1020 | 731 | 1294 | 1020 | 976 | 1100 | 713 | 1540 | 1028 |
(WY) | 1978 | 1986 | 1991 | 1993 | 1959 | 1979 | 1973 | 1995 | 1974 | 1993 | 1981 | 1993 |
MIN | .31 | 2.07 | .79 | 3.69 | 3.76 | 34.6 | 47.7 | 32.1 | 9.69 | 2.40 | 1.33 | .70 |
(WY) | 1964 | 1964 | 1964 | 1977 | 1963 | 1956 | 1956 | 1963 | 1963 | 1988 | 1963 | 1988 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1948 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 95548.2 | 63846.6 | ||||
ANNUAL MEAN | 262 | 175 | 175 | |||
HIGHEST ANNUAL MEAN | 518 | 1993 | ||||
LOWEST ANNUAL MEAN | 38.5 | 1954 | ||||
HIGHEST DAILY MEAN | 3070 | Apr 30 | 4110 | Jun 14 | 16100 | Aug 15 1981 |
LOWEST DAILY MEAN | 4.7 | Oct 25 | 3.4 | Sep 25-26 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 5.6 | Oct 21 | 3.7 | Sep 22 | .20 | Oct 21 1963 |
INSTANTANEOUS PEAK FLOW | 6410 | Jun 13 | 24600 | Aug 15 1981 | ||
INSTANTANEOUS PEAK STAGE | 14.35 | Jun 13 | 16.91 | Aug 15 1981 | ||
INSTANTANEOUS LOW FLOW | 3.0 | B | ||||
ANNUAL RUNOFF (CFSM) | 1.15 | .77 | .77 | |||
ANNUAL RUNOFF (INCHES) | 15.66 | 10.46 | 10.46 | |||
10 PERCENT EXCEEDS | 666 | 423 | 400 | |||
50 PERCENT EXCEEDS | 123 | 56 | 64 | |||
90 PERCENT EXCEEDS | 9.3 | 6.7 | 4.7 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |