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 | 14 | 138 | 100 | e63 | 316 | 98 | 80 | 347 | 142 | 105 | 17 | 10 |
2 | 15 | 258 | 98 | e84 | 514 | 101 | 75 | 302 | 495 | 83 | 16 | 9.8 |
3 | 18 | 336 | 98 | e80 | 447 | 100 | 78 | 274 | 211 | 75 | 15 | 9.3 |
4 | 19 | 245 | 92 | e77 | 346 | 94 | e180 | 252 | 320 | 69 | 14 | 9.1 |
5 | 643 | 207 | 90 | e74 | 266 | 96 | e94 | 242 | 476 | 63 | 13 | 8.7 |
6 | 280 | 178 | 187 | e88 | 248 | 99 | e82 | 219 | 301 | 58 | 13 | 8.6 |
7 | 130 | 155 | 600 | e82 | 235 | 89 | 72 | 199 | 456 | 54 | 14 | 8.4 |
8 | 87 | 159 | 314 | e77 | 218 | 95 | 77 | 180 | 244 | 51 | 14 | 8.1 |
9 | 69 | 177 | 241 | e73 | 210 | 101 | 155 | 168 | 250 | 50 | 13 | 7.9 |
10 | 59 | 2510 | 202 | e69 | 190 | 102 | 109 | 162 | 237 | 47 | 12 | 7.7 |
11 | 53 | 921 | 179 | e66 | 264 | 89 | 102 | 155 | 212 | 45 | 12 | 7.5 |
12 | 47 | 477 | 165 | e64 | 264 | 88 | 86 | 174 | 172 | 43 | 38 | 7.8 |
13 | 45 | 396 | 150 | e61 | 185 | 90 | 84 | 1330 | 3440 | 41 | 31 | 7.8 |
14 | 43 | 340 | 134 | e59 | 169 | 92 | 83 | 596 | 1760 | 39 | 17 | 7.7 |
15 | 49 | 279 | 127 | e58 | 166 | 101 | 114 | 411 | 575 | 37 | 14 | 7.6 |
16 | 44 | 255 | 122 | e57 | 154 | 156 | 841 | 337 | 373 | 35 | 13 | 7.3 |
17 | 1560 | 217 | 115 | e56 | 141 | 329 | 517 | 319 | 298 | 33 | 12 | 7.4 |
18 | 3760 | 203 | 115 | e56 | 132 | 233 | 358 | 271 | 243 | 32 | 13 | 7.5 |
19 | 1210 | 186 | 102 | e56 | 126 | 170 | 292 | 224 | 211 | 31 | 14 | 7.6 |
20 | 567 | 165 | 96 | e56 | 119 | 151 | 251 | 203 | 187 | 32 | 13 | 7.7 |
21 | 384 | 151 | e88 | e150 | 112 | 139 | 231 | 274 | 170 | 28 | 12 | 8.0 |
22 | 295 | 149 | e80 | e400 | 110 | 125 | 286 | 422 | 156 | 25 | 12 | 7.6 |
23 | 250 | 140 | e85 | e900 | 113 | 119 | 1410 | 270 | 144 | 26 | 36 | 7.7 |
24 | 215 | 125 | e94 | e600 | 109 | 110 | 565 | 218 | 139 | 25 | 65 | 7.9 |
25 | 189 | 128 | e100 | e430 | 105 | 101 | 408 | 189 | 121 | 22 | 20 | 8.2 |
26 | 169 | 116 | e103 | e350 | 101 | 97 | 340 | 168 | 112 | 20 | 16 | 8.8 |
27 | 180 | 110 | e104 | 538 | 119 | 94 | 369 | 152 | 105 | 20 | 14 | 17 |
28 | 220 | 108 | e101 | 623 | 110 | 92 | 831 | 142 | 99 | 36 | 13 | 193 |
29 | 179 | 109 | e96 | 395 | --- | 86 | 572 | 130 | 89 | 22 | 11 | 66 |
30 | 163 | 116 | e47 | 308 | --- | 81 | 414 | 121 | 84 | 19 | 11 | 26 |
31 | 140 | --- | e52 | 293 | --- | 82 | --- | 118 | --- | 18 | 10 | --- |
TOTAL | 11096 | 9054 | 4277 | 6343 | 5589 | 3600 | 9156 | 8569 | 11822 | 1284 | 538 | 513.7 |
MEAN | 358 | 302 | 138 | 205 | 200 | 116 | 305 | 276 | 394 | 41.4 | 17.4 | 17.1 |
MAX | 3760 | 2510 | 600 | 900 | 514 | 329 | 1410 | 1330 | 3440 | 105 | 65 | 193 |
MIN | 14 | 108 | 47 | 56 | 101 | 81 | 72 | 118 | 84 | 18 | 10 | 7.3 |
CFSM | 2.31 | 1.95 | .89 | 1.32 | 1.29 | .75 | 1.97 | 1.78 | 2.54 | .27 | .11 | .11 |
IN. | 2.66 | 2.17 | 1.03 | 1.52 | 1.34 | .86 | 2.20 | 2.06 | 2.84 | .31 | .13 | .12 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 54.9 | 67.2 | 72.7 | 91.0 | 151 | 180 | 202 | 175 | 163 | 108 | 55.9 | 48.8 |
MAX | 466 | 486 | 436 | 427 | 871 | 554 | 634 | 558 | 693 | 689 | 466 | 375 |
(WY) | 1942 | 1978 | 1983 | 1974 | 1951 | 1979 | 1983 | 1973 | 1974 | 1969 | 1993 | 1989 |
MIN | .93 | 1.87 | .84 | .50 | 2.44 | 13.8 | 11.3 | 11.3 | 9.95 | 6.91 | 3.48 | 2.13 |
(WY) | 1957 | 1977 | 1977 | 1977 | 1989 | 1956 | 1956 | 1989 | 1977 | 1977 | 1988 | 1956 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1941 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 85714 | 71841.7 | ||||
ANNUAL MEAN | 235 | 197 | 114 | |||
HIGHEST ANNUAL MEAN | 334 | 1993 | ||||
LOWEST ANNUAL MEAN | 22.0 | 1977 | ||||
HIGHEST DAILY MEAN | 3760 | Oct 18 | 3760 | Oct 18 | 7630 | Feb 19 1951 |
LOWEST DAILY MEAN | 11 | Sep 12-13 | 7.3 | Sep 16 | .40 | Oct 6 1956 |
ANNUAL SEVEN-DAY MINIMUM | 12 | Sep 7 | 7.5 | Sep 14 | .40 | Jan 20 1977 |
INSTANTANEOUS PEAK FLOW | 4750 | Jun 13 | 8910 A | Feb 19 1951 | ||
INSTANTANEOUS PEAK STAGE | 14.41 | Jun 13 | 15.52 | Jun 23 1974 | ||
INSTANTANEOUS LOW FLOW | 7.1 | Sep 14,16-18,22 | .30 | Oct 6 1956 | ||
ANNUAL RUNOFF (CFSM) | 1.52 | 1.27 | .73 | |||
ANNUAL RUNOFF (INCHES) | 20.57 | 17.24 | 9.97 | |||
10 PERCENT EXCEEDS | 490 | 395 | 234 | |||
50 PERCENT EXCEEDS | 168 | 109 | 49 | |||
90 PERCENT EXCEEDS | 21 | 13 | 5.8 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |