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 | 49 | 97 | 101 | 88 | 274 | 170 | 106 | 300 | 171 | 191 | 81 | 61 |
2 | 50 | 92 | 103 | e88 | 302 | 172 | 108 | 259 | 401 | 185 | 75 | 59 |
3 | 66 | 88 | 95 | e80 | 372 | 183 | 122 | 232 | 452 | 183 | 76 | 61 |
4 | 69 | 87 | 92 | e72 | 359 | 180 | 131 | 209 | 323 | 177 | 72 | 61 |
5 | 81 | 88 | 92 | e76 | 308 | 171 | 128 | 200 | 267 | 163 | 68 | 62 |
6 | 114 | 87 | 101 | e77 | 275 | 171 | 136 | 240 | 229 | 146 | 68 | 54 |
7 | 111 | 81 | 180 | e78 | 256 | 165 | 120 | 288 | 215 | 137 | 78 | 53 |
8 | 96 | 79 | 188 | e77 | 238 | 156 | 108 | 259 | 185 | 128 | 81 | 54 |
9 | 86 | 78 | 170 | e76 | 229 | 162 | 191 | 235 | 169 | 131 | 76 | 55 |
10 | 80 | 265 | 150 | e76 | 229 | 158 | 233 | 212 | 159 | 116 | 77 | 54 |
11 | 75 | 367 | 136 | e76 | 259 | 151 | 205 | 194 | 219 | 112 | 71 | 50 |
12 | 73 | 276 | 124 | e77 | 426 | 147 | 182 | 219 | 551 | 108 | 79 | 53 |
13 | 69 | 213 | 114 | e78 | 372 | 147 | 163 | 270 | 1200 | 110 | 88 | 56 |
14 | 66 | 184 | 112 | e80 | 298 | 146 | 152 | 256 | 2380 | 107 | 75 | 54 |
15 | 67 | 159 | 111 | e80 | 260 | 149 | 139 | 227 | 2660 | 99 | 72 | 50 |
16 | 68 | 150 | 102 | e83 | 240 | 162 | 197 | 211 | 1720 | 95 | 70 | 52 |
17 | 104 | 135 | 101 | 88 | 225 | 205 | 224 | 364 | 936 | 127 | 65 | 53 |
18 | 274 | 126 | 106 | 107 | 206 | 205 | 205 | 575 | 587 | 133 | 59 | 50 |
19 | 288 | 123 | 94 | 99 | 193 | 189 | 184 | 564 | 441 | 129 | 94 | 50 |
20 | 219 | 105 | 92 | 101 | 182 | 176 | 172 | 456 | 359 | 116 | 93 | 52 |
21 | 162 | 104 | 89 | 101 | 170 | 161 | 189 | 333 | 305 | 115 | 79 | 49 |
22 | 134 | 117 | e88 | 231 | 161 | 153 | 310 | 354 | 277 | 119 | 70 | 50 |
23 | 118 | 99 | e84 | 506 | 156 | 148 | 680 | 402 | 320 | 116 | 72 | 53 |
24 | 108 | 91 | 91 | 756 | 151 | 137 | 956 | 335 | 350 | 119 | 88 | 47 |
25 | 99 | 95 | 91 | 804 | 150 | 130 | 757 | 276 | 316 | 112 | 85 | 45 |
26 | 93 | 94 | 90 | 610 | 147 | 128 | 515 | 236 | 270 | 108 | 78 | 53 |
27 | 94 | 91 | 89 | 444 | 157 | 126 | 391 | 214 | 235 | 102 | 76 | 55 |
28 | 103 | 92 | 84 | 433 | 169 | 128 | 454 | 197 | 220 | 99 | 72 | 238 |
29 | 100 | 98 | 84 | 397 | --- | 120 | 436 | 184 | 216 | 99 | 66 | 336 |
30 | 100 | 106 | 73 | 329 | --- | 121 | 364 | 177 | 199 | 91 | 62 | 267 |
31 | 96 | --- | 86 | 296 | --- | 126 | --- | 164 | --- | 87 | 61 | --- |
TOTAL | 3312 | 3867 | 3313 | 6564 | 6764 | 4843 | 8258 | 8642 | 16332 | 3860 | 2327 | 2287 |
MEAN | 107 | 129 | 107 | 212 | 242 | 156 | 275 | 279 | 544 | 125 | 75.1 | 76.2 |
MAX | 288 | 367 | 188 | 804 | 426 | 205 | 956 | 575 | 2660 | 191 | 94 | 336 |
MIN | 49 | 78 | 73 | 72 | 147 | 120 | 106 | 164 | 159 | 87 | 59 | 45 |
CFSM | .56 | .67 | .56 | 1.10 | 1.26 | .81 | 1.43 | 1.45 | 2.84 | .65 | .39 | .40 |
IN. | .64 | .75 | .64 | 1.27 | 1.31 | .94 | 1.60 | 1.67 | 3.16 | .75 | .45 | .44 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1966 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 103 | 125 | 145 | 124 | 166 | 252 | 263 | 184 | 170 | 114 | 88.4 | 111 |
MAX | 473 | 372 | 493 | 316 | 455 | 554 | 652 | 542 | 544 | 522 | 258 | 579 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1971 | 1979 | 1993 | 1974 | 1999 | 1993 | 1972 | 1972 |
MIN | 30.7 | 36.3 | 29.9 | 28.7 | 35.8 | 62.2 | 83.8 | 55.0 | 34.6 | 26.0 | 25.3 | 21.1 |
(WY) | 1989 | 1972 | 1990 | 1977 | 1978 | 1968 | 1989 | 1989 | 1988 | 1988 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1966 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 58773 | 70369 | ||||
ANNUAL MEAN | 161 | 193 | 154 | |||
HIGHEST ANNUAL MEAN | 288 | 1974 | ||||
LOWEST ANNUAL MEAN | 52.4 | 1977 | ||||
HIGHEST DAILY MEAN | 735 | Jun 29 | 2660 | Jun 15 | 2660 | Jun 15 1999 |
LOWEST DAILY MEAN | 41 | Sep 13 | 45 | Sep 25 | 10 | Aug 6 1988 |
ANNUAL SEVEN-DAY MINIMUM | 46 | Sep 8 | 49 | Sep 19 | 14 | Aug 2 1988 |
INSTANTANEOUS PEAK FLOW | 2870 | Jun 15 | 2910 | Sep 26 1986 | ||
INSTANTANEOUS PEAK STAGE | 13.73 | Jun 15 | 14.26 | Sep 26 1986 | ||
INSTANTANEOUS LOW FLOW | 41 | Sep 21,24,25 | 6.6 | Aug 7 1988 | ||
ANNUAL RUNOFF (CFSM) | .84 | 1.00 | .80 | |||
ANNUAL RUNOFF (INCHES) | 11.39 | 13.63 | 10.87 | |||
10 PERCENT EXCEEDS | 314 | 356 | 312 | |||
50 PERCENT EXCEEDS | 123 | 128 | 100 | |||
90 PERCENT EXCEEDS | 58 | 67 | 42 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |