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 | 45 | 51 | 93 | 108 | 125 | 118 | 419 | 331 | 76 | 160 | 40 | 49 |
2 | 44 | 88 | 82 | 90 | 148 | 114 | 387 | 241 | 76 | 114 | 38 | 48 |
3 | 45 | 92 | 77 | 88 | 144 | 112 | 307 | 200 | 73 | 98 | 42 | 46 |
4 | 45 | 81 | 76 | 397 | 131 | 109 | 264 | 177 | 74 | 107 | 680 | 45 |
5 | 45 | 50 | 73 | 542 | 120 | 106 | 232 | 157 | 73 | 106 | 701 | 42 |
6 | 44 | 45 | 71 | 820 | 111 | 103 | 184 | 156 | 69 | 94 | 394 | 40 |
7 | 43 | 45 | 66 | 556 | 105 | 99 | 172 | 437 | 68 | 264 | 255 | 56 |
8 | 43 | 44 | 63 | 834 | 99 | 129 | 180 | 1070 | 67 | 383 | 291 | 52 |
9 | 44 | 44 | 62 | 993 | 96 | 508 | 191 | 688 | 77 | 187 | 216 | 52 |
10 | 44 | 44 | 62 | 644 | 92 | 500 | 213 | 418 | 75 | 139 | 174 | 50 |
11 | 43 | 43 | 61 | 423 | 144 | 436 | 168 | 303 | 94 | 119 | 161 | 48 |
12 | 43 | 42 | 61 | 318 | 390 | 341 | 156 | 238 | 249 | 106 | 140 | 47 |
13 | 46 | 42 | 60 | 260 | 253 | 287 | 152 | 182 | 166 | 94 | 119 | 46 |
14 | 45 | 42 | 58 | 222 | 206 | 262 | 274 | 168 | 132 | 89 | 104 | 46 |
15 | 43 | 44 | 57 | 177 | 179 | 238 | 254 | 156 | 119 | 82 | 96 | 47 |
16 | 42 | 44 | 56 | 161 | 162 | 223 | 216 | 147 | 151 | 80 | 87 | 47 |
17 | 42 | 43 | 57 | 151 | 171 | 272 | 193 | 134 | 180 | 76 | 79 | 46 |
18 | 42 | 41 | 58 | 142 | 322 | 1500 | 173 | 127 | 126 | 73 | 75 | 45 |
19 | 42 | 42 | 61 | 133 | 277 | 1570 | 148 | 121 | 120 | 74 | 71 | 44 |
20 | 42 | 42 | 63 | 126 | 209 | 1100 | 138 | 121 | 108 | 75 | 68 | 45 |
21 | 42 | 43 | 62 | 119 | 181 | 854 | 206 | 114 | 98 | 71 | 64 | 47 |
22 | 41 | 46 | 62 | 115 | 166 | 822 | 331 | 108 | 92 | 74 | 63 | 43 |
23 | 42 | 46 | 95 | 112 | 156 | 623 | 251 | 105 | 85 | 74 | 61 | 42 |
24 | 43 | 44 | 92 | 107 | 148 | 488 | 208 | 102 | 80 | 67 | 59 | 43 |
25 | 42 | 44 | 185 | 102 | 140 | 405 | 181 | 97 | 76 | 61 | 60 | 43 |
26 | 42 | 44 | 167 | 99 | 134 | 356 | 173 | 93 | 77 | 58 | 57 | 43 |
27 | 63 | 42 | 134 | 96 | 132 | 280 | 162 | 90 | 84 | 58 | 54 | 43 |
28 | 63 | 58 | 119 | 94 | 123 | 305 | 150 | 88 | 77 | 55 | 54 | 42 |
29 | 54 | 91 | 112 | 98 | --- | 323 | 173 | 85 | 98 | 51 | 55 | 42 |
30 | 51 | 110 | 104 | 104 | --- | 270 | 200 | 83 | 383 | 48 | 51 | 43 |
31 | 50 | --- | 95 | 105 | --- | 247 | --- | 83 | --- | 43 | 49 | --- |
TOTAL | 1405 | 1577 | 2544 | 8336 | 4664 | 13100 | 6456 | 6620 | 3323 | 3180 | 4458 | 1372 |
MEAN | 45.3 | 52.6 | 82.1 | 269 | 167 | 423 | 215 | 214 | 111 | 103 | 144 | 45.7 |
MAX | 63 | 110 | 185 | 993 | 390 | 1570 | 419 | 1070 | 383 | 383 | 701 | 56 |
MIN | 41 | 41 | 56 | 88 | 92 | 99 | 138 | 83 | 67 | 43 | 38 | 40 |
CFSM | .37 | .43 | .67 | 2.19 | 1.35 | 3.44 | 1.75 | 1.74 | .90 | .83 | 1.17 | .37 |
IN. | .42 | .48 | .77 | 2.52 | 1.41 | 3.96 | 1.95 | 2.00 | 1.01 | .96 | 1.35 | .41 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1949 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 60.4 | 87.9 | 115 | 129 | 151 | 213 | 212 | 147 | 124 | 72.6 | 50.2 | 46.5 |
MAX | 295 | 471 | 457 | 475 | 487 | 634 | 477 | 421 | 481 | 321 | 237 | 308 |
(WY) | 1994 | 1986 | 1991 | 1993 | 1959 | 1982 | 1950 | 1974 | 1997 | 1996 | 1990 | 1993 |
MIN | 7.54 | 11.8 | 8.13 | 17.5 | 15.6 | 34.3 | 48.6 | 30.6 | 26.3 | 10.6 | 7.09 | 7.78 |
(WY) | 1964 | 1957 | 1964 | 1977 | 1964 | 1957 | 1963 | 1958 | 1988 | 1988 | 1964 | 1964 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1949 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 63300 | 57035 | ||||
ANNUAL MEAN | 173 | 156 | 117 | |||
HIGHEST ANNUAL MEAN | 227 | 1993 | ||||
LOWEST ANNUAL MEAN | 24.0 | 1964 | ||||
HIGHEST DAILY MEAN | 1700 | Jun 7 | 1570 | Mar 19 | 2990 | Mar 5 1976 |
LOWEST DAILY MEAN | 41 | Oct 22 | 38 | Aug 2 | 3.6 | Sep 7 1964 |
ANNUAL SEVEN-DAY MINIMUM | 42 | Oct 16 | 42 | Oct 16 | 3.8 | Sep 4 1964 |
INSTANTANEOUS PEAK FLOW | 1950 | Mar 18 | 3550 | Mar 5 1976 | ||
INSTANTANEOUS PEAK STAGE | 11.48 | Mar 18 | 12.54 | Nov 28 1990 | ||
ANNUAL RUNOFF (CFSM) | 1.41 | 1.27 | .95 | |||
ANNUAL RUNOFF (INCHES) | 19.14 | 17.25 | 12.93 | |||
10 PERCENT EXCEEDS | 333 | 322 | 258 | |||
50 PERCENT EXCEEDS | 96 | 96 | 62 | |||
90 PERCENT EXCEEDS | 44 | 43 | 18 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |