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 | 58 | 83 | 146 | 89 | 210 | 132 | 552 | e155 | 73 | 146 | 46 | 98 |
2 | 52 | 80 | 120 | 98 | 359 | 124 | 552 | e140 | 69 | 111 | 43 | 78 |
3 | 55 | 74 | 112 | 157 | 362 | 121 | 359 | e120 | 62 | 103 | 42 | 75 |
4 | 58 | 73 | 118 | 443 | 296 | 134 | 263 | e130 | 84 | 476 | 316 | 82 |
5 | 56 | 66 | 108 | 616 | 233 | 129 | 194 | e115 | 91 | 249 | 509 | 64 |
6 | 54 | 120 | 92 | 652 | 189 | 121 | 157 | e130 | 62 | e120 | 811 | 56 |
7 | 55 | 118 | 85 | 633 | 166 | 118 | 163 | e740 | 65 | e130 | 500 | 884 |
8 | 54 | 89 | 79 | 637 | 149 | 278 | 520 | e1180 | 62 | e140 | 373 | 443 |
9 | 63 | 87 | 73 | 622 | 140 | 690 | 751 | e1200 | 192 | e110 | 259 | 250 |
10 | 62 | 80 | 117 | 441 | 132 | 689 | 705 | e820 | 181 | e96 | 186 | 161 |
11 | 54 | 69 | 179 | 297 | 268 | 453 | 471 | e540 | 365 | e74 | 134 | 97 |
12 | 52 | 72 | 172 | 227 | 434 | 301 | 296 | e400 | 400 | e70 | 118 | 83 |
13 | 105 | 65 | 139 | 188 | 376 | 236 | 242 | e280 | 281 | 62 | 100 | 72 |
14 | 118 | 65 | 117 | 153 | 277 | 210 | 269 | 247 | 235 | 58 | 81 | 76 |
15 | 89 | 92 | 105 | 152 | 217 | 194 | 226 | 202 | 162 | 60 | 69 | 261 |
16 | 75 | 104 | 99 | 143 | 191 | 236 | e430 | 176 | 127 | 54 | 59 | 183 |
17 | 69 | 91 | 99 | 133 | 330 | 363 | e440 | 157 | 145 | 53 | 60 | 147 |
18 | 63 | 87 | 97 | 126 | 427 | 863 | e300 | 124 | 107 | 51 | 60 | 107 |
19 | 58 | 86 | 95 | 110 | 354 | 899 | e230 | 135 | 372 | 126 | 55 | 79 |
20 | 59 | 80 | 97 | 108 | 273 | 780 | e240 | 112 | 262 | 82 | 53 | 71 |
21 | 54 | 80 | 94 | 100 | 225 | 490 | e370 | 101 | 172 | 69 | 55 | 74 |
22 | 60 | 78 | 94 | 103 | 187 | 356 | e420 | 89 | 126 | 68 | 54 | 72 |
23 | 73 | 80 | 91 | 108 | 161 | 324 | e380 | 98 | 99 | 61 | 100 | 63 |
24 | 76 | 75 | 93 | 109 | 157 | 252 | e250 | 207 | 85 | 57 | 169 | 58 |
25 | 72 | 71 | 152 | 103 | 144 | 208 | e200 | 127 | 73 | 50 | 531 | 62 |
26 | 99 | 72 | 157 | 105 | 133 | 179 | e210 | 108 | 230 | 48 | 553 | 61 |
27 | 457 | 78 | 131 | 105 | 138 | 153 | e210 | 83 | 196 | 48 | 358 | 57 |
28 | 349 | 130 | 116 | 117 | 134 | 167 | e180 | 142 | 270 | 47 | 270 | 61 |
29 | 191 | 134 | 102 | 155 | --- | 153 | e220 | 107 | 296 | 46 | 255 | 65 |
30 | 124 | 147 | 101 | 182 | --- | 139 | e175 | 92 | 234 | 45 | 182 | 85 |
31 | 93 | --- | 95 | 183 | --- | 285 | --- | 82 | --- | 49 | 136 | --- |
TOTAL | 2957 | 2626 | 3475 | 7395 | 6662 | 9777 | 9975 | 8339 | 5178 | 2959 | 6537 | 4025 |
MEAN | 95.4 | 87.5 | 112 | 239 | 238 | 315 | 333 | 269 | 173 | 95.5 | 211 | 134 |
MAX | 457 | 147 | 179 | 652 | 434 | 899 | 751 | 1200 | 400 | 476 | 811 | 884 |
MIN | 52 | 65 | 73 | 89 | 132 | 118 | 157 | 82 | 62 | 45 | 42 | 56 |
CFSM | .83 | .76 | .97 | 2.07 | 2.07 | 2.74 | 2.89 | 2.34 | 1.50 | .83 | 1.83 | 1.17 |
IN. | .96 | .85 | 1.12 | 2.39 | 2.16 | 3.16 | 3.23 | 2.70 | 1.67 | .96 | 2.11 | 1.30 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1946 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 79.6 | 105 | 108 | 111 | 130 | 212 | 230 | 160 | 131 | 92.6 | 105 | 83.9 |
MAX | 331 | 457 | 500 | 368 | 444 | 809 | 565 | 480 | 388 | 288 | 795 | 414 |
(WY) | 1955 | 1986 | 1983 | 1993 | 1997 | 1979 | 1983 | 1996 | 1996 | 1978 | 1987 | 1972 |
MIN | 3.34 | 5.55 | 8.14 | 5.79 | 12.4 | 46.1 | 41.8 | 24.8 | 25.6 | 10.6 | 3.08 | 3.33 |
(WY) | 1949 | 1949 | 1954 | 1954 | 1954 | 1956 | 1946 | 1946 | 1956 | 1946 | 1948 | 1952 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1946 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 61359 | 69905 | ||||
ANNUAL MEAN | 168 | 192 | 129 | |||
HIGHEST ANNUAL MEAN | 250 | 1993 | ||||
LOWEST ANNUAL MEAN | 36.6 | 1953 | ||||
HIGHEST DAILY MEAN | 1900 | Feb 21 | 1200 A | May 9 | 3220 | Aug 17 1987 |
LOWEST DAILY MEAN | 49 | Aug 3, Sep 13 | 42 | Aug 3 | 1.0 | Aug 27 1950 |
ANNUAL SEVEN-DAY MINIMUM | 55 | Sep 10 | 45 | Jul 28 | 2.1 | Oct 15 1948 |
INSTANTANEOUS PEAK FLOW | 1470 | Sep 7 | 3540 | Aug 17 1987 | ||
INSTANTANEOUS PEAK STAGE | 7.46 B | Sep 7 | 10.54 | Aug 17 1987 | ||
INSTANTANEOUS LOW FLOW | .00 C | May 27 | .00 C | May 27 1998 | ||
ANNUAL RUNOFF (CFSM) | 1.46 | 1.67 | 1.12 | |||
ANNUAL RUNOFF (INCHES) | 19.85 | 22.61 | 15.22 | |||
10 PERCENT EXCEEDS | 310 | 432 | 295 | |||
50 PERCENT EXCEEDS | 106 | 126 | 72 | |||
90 PERCENT EXCEEDS | 58 | 60 | 15 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |