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 | 66 | 69 | 58 | e53 | 89 | 472 | 2470 | 284 | 172 | 288 | 86 | 122 |
2 | 65 | 70 | 56 | 58 | 124 | 367 | 1180 | 269 | 164 | 248 | 84 | 116 |
3 | 64 | 68 | 62 | 79 | 120 | 320 | 819 | 263 | 154 | 228 | 84 | 116 |
4 | 64 | 65 | 65 | 128 | 111 | 294 | 633 | 249 | 147 | 226 | 93 | 106 |
5 | 59 | 64 | 61 | 155 | 105 | 269 | 516 | 235 | 148 | 209 | 125 | 99 |
6 | 57 | 69 | 58 | 199 | 101 | 255 | 457 | 228 | 143 | 214 | 353 | 94 |
7 | 56 | 75 | 57 | 204 | 102 | 242 | 433 | 253 | 136 | 444 | 350 | 92 |
8 | 55 | 74 | 57 | 192 | 98 | 334 | 711 | 300 | 134 | 392 | 160 | 88 |
9 | 57 | 72 | 57 | 175 | 95 | 356 | 1060 | 255 | 188 | 250 | 131 | 83 |
10 | 53 | 71 | 61 | 111 | 92 | 277 | 820 | 230 | 165 | 213 | 122 | 82 |
11 | 57 | 67 | 60 | 116 | 114 | 258 | 661 | 220 | 306 | 191 | 115 | 81 |
12 | 61 | 65 | 57 | e110 | 198 | 233 | 579 | 225 | 479 | 178 | 104 | 79 |
13 | 78 | 64 | 56 | e94 | 171 | 246 | 531 | 234 | 290 | 166 | 99 | 76 |
14 | 73 | 65 | 51 | e84 | 156 | 234 | 544 | 207 | 247 | 156 | 97 | 245 |
15 | 64 | 67 | 55 | e95 | 151 | 217 | 463 | 199 | 233 | 149 | 131 | 627 |
16 | 58 | 64 | 58 | e102 | 154 | 210 | 857 | 204 | 209 | 143 | 115 | 253 |
17 | 56 | 58 | 54 | e100 | 177 | 224 | 791 | 182 | 192 | 136 | 107 | 192 |
18 | 56 | 61 | 57 | e98 | 189 | 444 | 546 | 173 | 362 | 130 | 112 | 161 |
19 | 56 | 60 | 57 | e96 | 175 | 573 | 455 | 170 | 1280 | 150 | 99 | 146 |
20 | 55 | 60 | 57 | 94 | 164 | 429 | 412 | 171 | 484 | 140 | 199 | 134 |
21 | 54 | 60 | 54 | 93 | 156 | 363 | 533 | 162 | 383 | 126 | 490 | 124 |
22 | 53 | 59 | 58 | 92 | 149 | 333 | 480 | 153 | 304 | 122 | 148 | 118 |
23 | 53 | 57 | 58 | 92 | 145 | 309 | 406 | 153 | 264 | 119 | 125 | 111 |
24 | 55 | 52 | 58 | 91 | 153 | 283 | 365 | 227 | 251 | 112 | 162 | 114 |
25 | 55 | 58 | 61 | 88 | 150 | 272 | 338 | 217 | 232 | 107 | 194 | 111 |
26 | 64 | 59 | 61 | 86 | 164 | 269 | 354 | 182 | 225 | 103 | 145 | 107 |
27 | 70 | 59 | 53 | 85 | 1050 | 253 | 342 | 164 | 215 | 100 | 123 | 102 |
28 | 65 | 59 | 56 | 87 | 820 | 242 | 299 | 168 | 1220 | 99 | 263 | 98 |
29 | 64 | 59 | 59 | 88 | --- | 227 | 287 | 245 | 534 | 96 | 208 | 93 |
30 | 64 | 62 | 49 | 88 | --- | 244 | 287 | 218 | 364 | 92 | 165 | 95 |
31 | 65 | --- | e51 | 82 | --- | 3560 | --- | 199 | --- | 90 | 138 | --- |
TOTAL | 1872 | 1912 | 1772 | 3315 | 5473 | 12609 | 18629 | 6639 | 9625 | 5417 | 4927 | 4065 |
MEAN | 60.4 | 63.7 | 57.2 | 107 | 195 | 407 | 621 | 214 | 321 | 175 | 159 | 136 |
MAX | 78 | 75 | 65 | 204 | 1050 | 3560 | 2470 | 300 | 1280 | 444 | 490 | 627 |
MIN | 53 | 52 | 49 | 53 | 89 | 210 | 287 | 153 | 134 | 90 | 84 | 76 |
CFSM | .24 | .26 | .23 | .43 | .79 | 1.65 | 2.51 | .87 | 1.30 | .71 | .64 | .55 |
IN. | .28 | .29 | .27 | .50 | .82 | 1.90 | 2.81 | 1.00 | 1.45 | .82 | .74 | .61 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 111 | 128 | 113 | 148 | 246 | 343 | 255 | 232 | 221 | 140 | 99.6 | 125 |
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 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1935 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 52753 | 76255 | ||||
ANNUAL MEAN | 145 | 209 | 180 | |||
HIGHEST ANNUAL MEAN | 480 | 1993 | ||||
LOWEST ANNUAL MEAN | 39.3 | 1940 | ||||
HIGHEST DAILY MEAN | 3450 A | Feb 21 | 3560 | Mar 31 | 9010 | Feb 21 1937 |
LOWEST DAILY MEAN | 45 A | Jan 1 | 49 B | Dec 30 | 3.5 | May 24 1967 |
ANNUAL SEVEN-DAY MINIMUM | 49 | Sep 1 | 54 | Dec 27 | 10 | Dec 28 1939 |
INSTANTANEOUS PEAK FLOW | 5000 | Mar 31 | 12000 | Jan 5 1946 | ||
INSTANTANEOUS PEAK STAGE | 16.64 | Mar 31 | 26.12 C | Jan 5 1946 | ||
INSTANTANEOUS LOW FLOW | 35 B | Dec 30 | .00 | D | ||
ANNUAL RUNOFF (CFSM) | .59 | .85 | .73 | |||
ANNUAL RUNOFF (INCHES) | 7.94 | 11.48 | 9.88 | |||
10 PERCENT EXCEEDS | 229 | 419 | 330 | |||
50 PERCENT EXCEEDS | 84 | 134 | 86 | |||
90 PERCENT EXCEEDS | 55 | 58 | 31 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |