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 | 98 | 178 | 142 | e100 | 174 | 169 | 142 | 483 | 287 | 244 | 122 | 61 |
2 | 95 | 173 | 138 | e130 | 303 | 162 | 139 | 437 | 899 | 209 | 103 | 62 |
3 | 106 | 166 | 139 | e120 | 467 | 154 | 336 | 401 | 487 | 202 | 95 | 61 |
4 | 103 | 158 | 136 | e110 | 324 | 149 | 476 | 371 | 517 | 191 | 95 | 60 |
5 | 143 | 154 | 133 | e105 | 231 | 150 | 307 | 373 | 616 | 171 | 90 | 59 |
6 | 251 | 151 | 140 | e150 | 212 | 144 | 346 | 352 | 406 | 175 | 87 | 57 |
7 | 208 | 146 | 150 | e140 | 206 | 127 | 287 | 365 | 359 | 164 | 95 | 56 |
8 | 179 | 145 | 136 | e130 | 197 | e125 | 311 | 336 | 334 | 153 | 96 | 58 |
9 | 158 | 146 | 131 | e120 | 233 | e120 | 2220 | 295 | 304 | 165 | 87 | 58 |
10 | 150 | e380 | 127 | e117 | 230 | e143 | 988 | 275 | 299 | 155 | 85 | 56 |
11 | 141 | e310 | 123 | e113 | 386 | 142 | 712 | 265 | 372 | 139 | 83 | 55 |
12 | 131 | e270 | 123 | e110 | 706 | 134 | 533 | 291 | 374 | 134 | 92 | 58 |
13 | 126 | e245 | 127 | e108 | 327 | 135 | 440 | 373 | 986 | 130 | 94 | 55 |
14 | 121 | e225 | 120 | e107 | 289 | 134 | 382 | 312 | 579 | 127 | 85 | 56 |
15 | 131 | e210 | 120 | e105 | 263 | 141 | 359 | 278 | 405 | 120 | 76 | 55 |
16 | 122 | e200 | 118 | e103 | 245 | 159 | 434 | 276 | 341 | 118 | 74 | 55 |
17 | 351 | e190 | 116 | e103 | 227 | 222 | 370 | 3730 | 312 | 119 | 73 | 53 |
18 | 1260 | e185 | 116 | e103 | 213 | 268 | 315 | 1400 | 283 | 133 | 74 | 54 |
19 | 527 | 182 | 116 | e102 | 204 | 214 | 298 | 917 | 267 | 140 | 84 | 54 |
20 | 342 | 174 | 109 | e101 | 191 | 203 | 277 | 701 | 254 | 149 | 77 | 53 |
21 | 278 | 166 | 106 | e100 | 168 | 198 | 279 | 606 | 240 | 154 | 71 | 52 |
22 | 245 | 165 | e80 | e200 | 167 | 185 | 574 | 825 | 236 | 137 | 71 | 52 |
23 | 229 | 163 | e83 | e540 | 173 | 178 | 3300 | 612 | 258 | 121 | 93 | 53 |
24 | 218 | 155 | e87 | 499 | 158 | 172 | 1330 | 526 | 254 | 209 | 131 | 52 |
25 | 211 | 155 | e91 | 238 | 162 | 161 | 898 | 469 | 227 | 159 | 98 | 52 |
26 | 203 | 153 | 96 | 156 | 161 | 153 | 720 | 420 | 213 | 171 | 83 | 52 |
27 | 205 | 149 | 98 | 193 | 196 | 152 | 684 | 381 | 209 | 157 | 75 | 62 |
28 | 217 | 147 | 97 | 251 | 188 | 153 | 1010 | 354 | 203 | 127 | 71 | 106 |
29 | 203 | 146 | e84 | 196 | --- | 151 | 697 | 327 | 196 | 114 | 66 | 95 |
30 | 196 | 150 | e65 | 156 | --- | 142 | 554 | 304 | 185 | 110 | 61 | 71 |
31 | 186 | --- | e70 | 160 | --- | 140 | --- | 289 | --- | 126 | 61 | --- |
TOTAL | 7134 | 5537 | 3517 | 4966 | 7001 | 4980 | 19718 | 17344 | 10902 | 4723 | 2648 | 1783 |
MEAN | 230 | 185 | 113 | 160 | 250 | 161 | 657 | 559 | 363 | 152 | 85.4 | 59.4 |
MAX | 1260 | 380 | 150 | 540 | 706 | 268 | 3300 | 3730 | 986 | 244 | 131 | 106 |
MIN | 95 | 145 | 65 | 100 | 158 | 120 | 139 | 265 | 185 | 110 | 61 | 52 |
CFSM | .93 | .75 | .46 | .65 | 1.01 | .65 | 2.66 | 2.27 | 1.47 | .62 | .35 | .24 |
IN. | 1.07 | .83 | .53 | .75 | 1.05 | .75 | 2.97 | 2.61 | 1.64 | .71 | .40 | .27 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 113 | 129 | 113 | 148 | 246 | 341 | 261 | 237 | 223 | 140 | 99.4 | 124 |
MAX | 807 | 672 | 565 | 779 | 837 | 945 | 1104 | 1172 | 1077 | 974 | 459 | 968 |
(WY) | 1987 | 1962 | 1983 | 1960 | 1971 | 1959 | 1973 | 1973 | 1993 | 1993 | 1981 | 1965 |
MIN | 19.7 | 24.4 | 21.4 | 15.2 | 19.4 | 34.2 | 40.2 | 30.9 | 29.9 | 23.1 | 18.6 | 21.0 |
(WY) | 1941 | 1941 | 1990 | 1940 | 1940 | 1954 | 1940 | 1940 | 1989 | 1989 | 1941 | 1940 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1935 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 86887 | 90253 | ||||
ANNUAL MEAN | 238 | 247 | 181 | |||
HIGHEST ANNUAL MEAN | 480 | 1993 | ||||
LOWEST ANNUAL MEAN | 39.3 | 1940 | ||||
HIGHEST DAILY MEAN | 3560 | Mar 31 | 3730 | May 17 | 9010 | Feb 21 1937 |
LOWEST DAILY MEAN | 53 A | Jan 1 | 52 | B | 3.5 | May 24 1967 |
ANNUAL SEVEN-DAY MINIMUM | 83 | Sep 7 | 52 | Sep 20 | 10 | Dec 28 1939 |
INSTANTANEOUS PEAK FLOW | 6710 | May 17 | 12000 | Jan 5 1946 | ||
INSTANTANEOUS PEAK STAGE | 19.30 | May 17 | 26.12 C | Jan 5 1946 | ||
INSTANTANEOUS LOW FLOW | 48 | Sep 26 | .00 | D | ||
ANNUAL RUNOFF (CFSM) | .96 | 1.00 | .73 | |||
ANNUAL RUNOFF (INCHES) | 13.09 | 13.59 | 9.94 | |||
10 PERCENT EXCEEDS | 437 | 451 | 333 | |||
50 PERCENT EXCEEDS | 164 | 158 | 87 | |||
90 PERCENT EXCEEDS | 93 | 72 | 32 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |