DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 43 | 46 | 45 | e41 | 46 | 127 | 481 | 186 | 128 | 185 | 88 | 92 |
2 | 43 | 45 | 45 | 43 | 53 | 114 | 303 | 183 | 126 | 173 | 88 | 88 |
3 | 43 | 45 | 45 | 54 | 55 | 113 | 252 | 176 | 122 | 165 | 85 | 87 |
4 | 43 | 45 | 45 | 95 | 58 | 105 | 223 | 167 | 121 | 188 | 104 | 85 |
5 | 43 | 44 | 45 | 104 | 58 | 96 | 202 | 160 | 120 | 164 | 151 | 82 |
6 | 43 | 49 | 43 | 99 | 57 | 93 | 188 | 159 | 118 | 159 | 113 | 81 |
7 | 43 | 52 | 45 | 111 | 55 | 90 | 184 | 219 | 117 | 169 | 104 | 79 |
8 | 43 | 50 | 44 | 111 | 55 | 135 | 218 | 284 | 116 | 176 | 100 | 77 |
9 | 43 | 46 | 44 | 93 | 55 | 217 | 304 | 244 | 185 | 152 | 94 | 76 |
10 | 43 | 46 | 45 | 78 | 54 | 155 | 276 | 218 | 340 | 147 | 92 | 75 |
11 | 43 | 45 | 45 | e62 | 74 | 138 | 236 | 204 | 350 | 142 | 87 | 74 |
12 | 43 | 45 | 44 | e55 | 151 | 135 | 218 | 192 | 424 | 138 | 84 | 73 |
13 | 45 | 45 | 41 | e59 | 131 | 127 | 245 | 190 | 270 | 134 | 83 | 72 |
14 | 45 | 45 | 40 | e65 | 113 | 112 | 419 | 184 | 236 | 130 | 83 | 104 |
15 | 45 | 46 | 42 | e60 | 105 | 108 | 307 | 181 | 228 | 127 | 82 | 159 |
16 | 44 | 45 | 45 | e57 | 98 | 106 | 344 | 179 | 205 | 121 | 81 | 116 |
17 | 44 | 43 | 42 | e54 | 97 | 107 | 301 | 161 | 453 | 118 | 80 | 99 |
18 | 44 | 45 | 44 | e53 | 93 | 133 | 262 | 158 | 309 | 117 | 81 | 93 |
19 | 44 | 44 | 43 | e52 | 85 | 140 | 240 | 154 | 771 | 121 | 79 | 88 |
20 | 44 | 44 | 43 | e51 | 83 | 136 | 233 | 152 | 318 | 123 | 78 | 86 |
21 | 44 | 45 | 43 | 50 | 79 | 126 | 266 | 150 | 399 | 116 | 79 | 85 |
22 | 43 | 45 | 43 | 49 | 78 | 119 | 260 | 147 | 311 | 115 | 79 | 82 |
23 | 43 | 43 | 43 | 48 | 76 | 112 | 235 | 147 | 258 | 115 | 79 | 79 |
24 | 44 | 40 | 43 | 47 | 75 | 108 | 220 | 150 | 233 | 113 | 89 | 78 |
25 | 45 | 45 | 43 | 46 | 72 | 108 | 207 | 147 | 215 | 110 | 290 | 80 |
26 | 45 | 45 | 44 | 46 | 71 | 108 | 215 | 142 | 198 | 106 | 139 | 79 |
27 | 45 | 45 | 40 | 46 | 120 | 107 | 212 | 138 | 188 | 102 | 101 | 77 |
28 | 45 | 45 | e47 | 45 | 150 | 108 | 193 | 136 | 246 | 100 | 173 | 75 |
29 | 45 | 44 | e41 | 45 | --- | 109 | 189 | 144 | 227 | 96 | 139 | 77 |
30 | 45 | 45 | e40 | 46 | --- | 109 | 188 | 140 | 197 | 93 | 107 | 79 |
31 | 45 | --- | e40 | 46 | --- | 332 | --- | 136 | --- | 90 | 97 | --- |
TOTAL | 1360 | 1357 | 1342 | 1911 | 2297 | 3933 | 7621 | 5328 | 7529 | 4105 | 3209 | 2577 |
MEAN | 43.9 | 45.2 | 43.3 | 61.6 | 82.0 | 127 | 254 | 172 | 251 | 132 | 104 | 85.9 |
MAX | 45 | 52 | 47 | 111 | 151 | 332 | 481 | 284 | 771 | 188 | 290 | 159 |
MIN | 43 | 40 | 40 | 41 | 46 | 90 | 184 | 136 | 116 | 90 | 78 | 72 |
CFSM | .30 | .31 | .30 | .42 | .56 | .87 | 1.74 | 1.18 | 1.72 | .91 | .71 | .59 |
IN. | .35 | .35 | .34 | .49 | .59 | 1.00 | 1.94 | 1.36 | 1.92 | 1.05 | .82 | .66 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 63.3 | 70.5 | 74.1 | 98.0 | 152 | 182 | 124 | 126 | 133 | 91.0 | 74.6 | 66.7 |
MAX | 280 | 314 | 267 | 580 | 556 | 588 | 619 | 607 | 560 | 401 | 422 | 225 |
(WY) | 1982 | 1986 | 1973 | 1969 | 1951 | 1993 | 1973 | 1974 | 1993 | 1951 | 1972 | 1972 |
MIN | 15.6 | 17.6 | 15.4 | 14.6 | 22.3 | 33.6 | 34.7 | 25.7 | 25.8 | 19.2 | 23.0 | 14.7 |
(WY) | 1958 | 1950 | 1959 | 1959 | 1964 | 1956 | 1957 | 1940 | 1957 | 1940 | 1963 | 1957 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1940 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 42340 | 42569 | ||||
ANNUAL MEAN | 116 | 117 | 104 | |||
HIGHEST ANNUAL MEAN | 275 | 1973 | ||||
LOWEST ANNUAL MEAN | 30.7 | 1940 | ||||
HIGHEST DAILY MEAN | 4750 | Feb 21 | 771 | Jun 19 | 5430 | Apr 21 1973 |
LOWEST DAILY MEAN | 40 A | B | 40 A | B | 10 | Dec 10 1958 |
ANNUAL SEVEN-DAY MINIMUM | 42 | Dec 25 | 42 C | Dec 27 | 10 | Dec 9 1958 |
INSTANTANEOUS PEAK FLOW | 917 | Jun 19 | 6770 D | May 17 1974 | ||
INSTANTANEOUS PEAK STAGE | 6.11 | Jun 19 | 17.75 E | Jan 5 1946 | ||
INSTANTANEOUS LOW FLOW | 27 C | Nov 24 | 1.9 C | Jan 3 1976 | ||
ANNUAL RUNOFF (CFSM) | .79 | .80 | .71 | |||
ANNUAL RUNOFF (INCHES) | 10.79 | 10.85 | 9.71 | |||
10 PERCENT EXCEEDS | 131 | 227 | 173 | |||
50 PERCENT EXCEEDS | 76 | 93 | 62 | |||
90 PERCENT EXCEEDS | 44 | 44 | 26 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |