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 | 13 | 19 | 108 | e47 | 108 | 170 | 235 | 188 | 37 | 110 | .64 | 1.2 |
2 | 11 | 15 | 117 | 46 | 149 | 160 | 289 | 164 | 32 | 99 | .56 | 1.2 |
3 | 9.4 | 16 | 113 | 78 | 210 | 149 | 326 | 143 | 25 | 79 | .48 | 1.3 |
4 | 8.7 | 10 | 115 | 123 | 246 | 137 | 337 | 125 | 21 | 92 | .49 | 1.5 |
5 | 7.8 | 9.2 | 123 | 185 | 261 | 123 | 327 | 112 | 19 | 132 | .87 | 1.5 |
6 | 6.7 | 12 | 121 | 242 | 263 | 113 | 305 | 98 | 18 | 150 | 1.8 | 1.6 |
7 | 5.4 | 20 | 107 | 307 | 256 | 102 | 278 | 119 | 16 | 151 | 5.3 | 1.5 |
8 | 5.1 | 20 | 88 | 352 | 245 | 115 | 274 | 191 | 14 | 141 | 8.3 | 1.3 |
9 | 5.6 | 20 | 72 | 393 | 231 | 197 | 303 | 229 | 15 | 124 | 6.0 | 1.3 |
10 | 5.4 | 42 | 68 | 402 | 216 | 233 | 343 | 246 | 16 | 101 | 3.9 | 1.4 |
11 | 5.2 | 35 | 79 | 400 | 226 | 235 | 396 | 247 | 22 | 76 | 2.6 | 1.5 |
12 | 5.3 | 21 | 84 | e340 | 318 | 224 | 431 | 240 | 45 | 55 | 1.7 | 1.5 |
13 | 7.9 | 14 | 84 | e295 | 366 | 204 | 433 | 246 | 68 | 39 | 1.4 | 1.5 |
14 | 13 | 13 | 73 | e260 | 406 | 181 | 410 | 237 | 64 | 28 | 1.1 | 1.8 |
15 | 12 | 15 | 73 | e230 | 427 | 155 | 375 | 215 | 48 | 18 | 1.2 | 12 |
16 | 10 | 18 | 65 | e200 | 419 | 131 | 555 | 183 | 36 | 12 | 1.2 | 28 |
17 | 9.4 | 19 | 71 | 170 | 401 | 118 | 744 | 144 | 28 | 9.6 | 1.2 | 19 |
18 | 9.3 | 19 | 76 | 145 | 388 | 185 | 782 | 106 | 23 | 8.8 | 1.1 | 13 |
19 | 7.8 | 19 | 79 | 124 | 368 | 274 | 722 | 82 | 26 | 5.9 | 1.1 | 8.2 |
20 | 12 | 18 | 80 | 106 | 347 | 318 | 620 | 69 | 27 | 4.7 | 1.3 | 4.7 |
21 | 9.2 | 19 | 82 | 95 | 324 | 342 | 533 | 58 | 24 | 4.6 | 1.5 | 3.0 |
22 | 7.2 | 25 | 79 | 90 | 297 | 346 | 460 | 51 | 19 | 5.8 | 1.5 | 3.1 |
23 | 6.9 | 34 | 73 | 87 | 268 | 331 | 409 | 51 | 14 | 6.8 | 1.5 | 3.2 |
24 | 7.5 | 39 | 68 | 83 | 243 | 305 | 367 | 53 | 11 | 5.2 | 1.1 | 3.2 |
25 | 19 | 34 | 65 | e80 | 221 | 273 | 333 | 53 | 12 | 4.1 | 2.2 | 5.6 |
26 | 16 | 46 | 64 | e78 | 201 | 244 | 313 | 49 | 24 | 2.8 | 6.0 | 6.3 |
27 | 37 | 49 | 66 | 76 | 187 | 213 | 293 | 42 | 44 | 2.2 | 4.8 | 3.6 |
28 | 44 | 52 | 64 | 77 | 177 | 181 | 266 | 36 | 80 | 3.6 | 6.4 | 2.3 |
29 | 32 | 53 | 54 | 82 | --- | 156 | 240 | 36 | 100 | 1.5 | 4.7 | 2.5 |
30 | 27 | 80 | e52 | 91 | --- | 138 | 214 | 37 | 109 | .91 | 2.1 | 2.5 |
31 | 26 | --- | e49 | 99 | --- | 152 | --- | 38 | --- | .72 | 1.3 | --- |
TOTAL | 401.8 | 805.2 | 2512 | 5383 | 7769 | 6205 | 11913 | 3888 | 1037 | 1474.23 | 75.34 | 140.3 |
MEAN | 13.0 | 26.8 | 81.0 | 174 | 277 | 200 | 397 | 125 | 34.6 | 47.6 | 2.43 | 4.68 |
MAX | 44 | 80 | 123 | 402 | 427 | 346 | 782 | 247 | 109 | 151 | 8.3 | 28 |
MIN | 5.1 | 9.2 | 49 | 46 | 108 | 102 | 214 | 36 | 11 | .72 | .48 | 1.2 |
CFSM | .11 | .22 | .66 | 1.41 | 2.26 | 1.63 | 3.23 | 1.02 | .28 | .39 | .02 | .04 |
IN. | .12 | .24 | .76 | 1.63 | 2.35 | 1.88 | 3.60 | 1.18 | .31 | .45 | .02 | .04 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1967 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 41.7 | 70.1 | 93.8 | 68.1 | 105 | 221 | 225 | 120 | 80.0 | 56.5 | 43.7 | 55.6 |
MAX | 364 | 390 | 382 | 279 | 327 | 673 | 718 | 410 | 356 | 363 | 417 | 410 |
(WY) | 1987 | 1986 | 1983 | 1993 | 1974 | 1979 | 1993 | 1996 | 1996 | 1978 | 1978 | 1972 |
MIN | .056 | 2.75 | 3.06 | 1.46 | 2.35 | 14.9 | 33.4 | 6.15 | 1.90 | .78 | .87 | .060 |
(WY) | 1995 | 1972 | 1977 | 1977 | 1977 | 1968 | 1977 | 1977 | 1988 | 1988 | 1988 | 1994 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1967 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 29645.3 | 41603.87 | ||||
ANNUAL MEAN | 81.2 | 114 | 98.5 | |||
HIGHEST ANNUAL MEAN | 206 | 1993 | ||||
LOWEST ANNUAL MEAN | 9.24 | 1977 | ||||
HIGHEST DAILY MEAN | 799 | Feb 24 | 782 | Apr 18 | 2100 | Mar 21 1979 |
LOWEST DAILY MEAN | 2.0 | Sep 16 | .48 | Aug 3 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 2.5 | Sep 10 | .67 | Jul 30 | .00 | Jul 27 1988 |
INSTANTANEOUS PEAK FLOW | 794 | Apr 18 | 2120 B | Mar 21 1979 | ||
INSTANTANEOUS PEAK STAGE | 7.66 | Apr 18 | 10.75 | C | ||
INSTANTANEOUS LOW FLOW | .46 | Aug 3,4 | ||||
ANNUAL RUNOFF (CFSM) | .66 | .93 | .80 | |||
ANNUAL RUNOFF (INCHES) | 8.97 | 12.58 | 10.88 | |||
10 PERCENT EXCEEDS | 190 | 320 | 274 | |||
50 PERCENT EXCEEDS | 53 | 64 | 33 | |||
90 PERCENT EXCEEDS | 5.7 | 1.8 | 3.0 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |