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 | 15 | 17 | 422 | 105 | 140 | 126 | 627 | 957 | 220 | 245 | 58 | 3.3 |
2 | 14 | 23 | 394 | 105 | 130 | 115 | 601 | 949 | 190 | 170 | 32 | 2.9 |
3 | 14 | 26 | 269 | 101 | 110 | 109 | 505 | 1320 | 169 | 136 | 24 | 2.9 |
4 | 15 | 23 | 198 | 100 | 104 | 101 | 671 | 2180 | 151 | 124 | 23 | 2.7 |
5 | 13 | 20 | 154 | 126 | 102 | 92 | 798 | 1580 | 145 | 128 | 24 | 2.5 |
6 | 12 | 22 | 122 | 370 | 93 | 85 | 637 | 967 | 138 | 127 | 25 | 2.3 |
7 | 11 | 43 | 100 | 466 | 85 | 82 | 500 | 763 | 121 | 363 | 32 | 2.2 |
8 | 12 | 49 | 87 | 703 | 80 | 130 | 756 | 937 | 111 | 800 | 47 | 1.9 |
9 | 14 | 44 | 85 | 1010 | 75 | 495 | 818 | 1030 | 222 | 500 | 37 | 1.6 |
10 | 15 | 38 | 143 | 911 | 72 | 741 | 605 | e790 | 431 | 265 | 63 | 1.5 |
11 | 15 | 34 | 294 | 656 | 82 | 634 | 441 | e560 | 333 | 178 | 54 | 1.3 |
12 | 11 | 34 | 265 | 455 | 129 | 466 | 351 | 415 | 594 | 132 | 30 | 1.3 |
13 | 15 | 30 | 199 | 331 | 121 | 378 | 309 | 345 | 1060 | 105 | 22 | 1.3 |
14 | 18 | 30 | 160 | 251 | 105 | 388 | 302 | 395 | 897 | 87 | 18 | 2.3 |
15 | 20 | 31 | 130 | 229 | 94 | 400 | 294 | 328 | 859 | 74 | 15 | 1.8 |
16 | 15 | 28 | 114 | 201 | 95 | 374 | 297 | 266 | 1500 | 65 | 13 | 1.4 |
17 | 13 | 25 | 103 | 168 | 143 | 427 | 264 | 221 | 1320 | 56 | 11 | 1.2 |
18 | 12 | 26 | 90 | 142 | 367 | 846 | 212 | 193 | 939 | 49 | 12 | 1.2 |
19 | 12 | 28 | 83 | 124 | 467 | 1030 | 191 | 175 | 964 | 43 | 9.3 | 1.1 |
20 | 11 | 27 | 74 | 113 | 372 | 1040 | 180 | 508 | 1100 | 40 | 7.5 | 1.5 |
21 | 11 | 28 | 67 | 108 | 312 | 1600 | 174 | 1230 | 737 | 34 | 6.4 | 1.4 |
22 | 9.5 | 26 | 80 | 104 | 264 | 1310 | 166 | 950 | 464 | 31 | 5.8 | 14 |
23 | 9.0 | 23 | 129 | 101 | 232 | 888 | 150 | 1260 | 532 | 73 | 5.5 | 5.1 |
24 | 9.1 | 20 | 156 | 96 | 200 | 670 | 141 | 1590 | 700 | 97 | 5.2 | 2.3 |
25 | 10 | 20 | 357 | 87 | 171 | 525 | 135 | 1210 | 488 | 49 | 4.9 | 1.8 |
26 | 14 | 23 | 446 | 84 | 157 | 426 | 134 | 914 | 329 | 34 | 4.4 | 2.0 |
27 | 20 | 24 | 325 | 89 | 159 | 358 | 121 | 589 | 263 | 28 | 3.8 | 3.2 |
28 | 29 | 27 | 239 | 153 | 146 | 721 | 104 | 406 | 210 | 25 | 3.6 | 2.4 |
29 | 20 | 98 | 196 | 198 | --- | 1530 | 138 | 318 | 191 | 22 | 3.6 | 2.1 |
30 | 17 | 210 | 165 | 184 | --- | 1050 | 460 | 274 | 255 | 30 | 3.4 | 1.8 |
31 | 15 | --- | 132 | 156 | --- | 717 | --- | 261 | --- | 93 | 3.5 | --- |
TOTAL | 440.6 | 1097 | 5778 | 8027 | 4607 | 17854 | 11082 | 23881 | 15633 | 4203 | 606.9 | 74.3 |
MEAN | 14.2 | 36.6 | 186 | 259 | 165 | 576 | 369 | 770 | 521 | 136 | 19.6 | 2.48 |
MAX | 29 | 210 | 446 | 1010 | 467 | 1600 | 818 | 2180 | 1500 | 800 | 63 | 14 |
MIN | 9.0 | 17 | 67 | 84 | 72 | 82 | 104 | 175 | 111 | 22 | 3.4 | 1.1 |
CFSM | .08 | .20 | 1.00 | 1.39 | .88 | 3.10 | 1.99 | 4.14 | 2.80 | .73 | .11 | .01 |
IN. | .09 | .22 | 1.16 | 1.61 | .92 | 3.57 | 2.22 | 4.78 | 3.13 | .84 | .12 | .01 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1961 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 55.8 | 120 | 205 | 178 | 232 | 269 | 302 | 293 | 178 | 105 | 64.2 | 47.4 |
MAX | 570 | 910 | 691 | 684 | 650 | 861 | 795 | 1263 | 773 | 487 | 315 | 422 |
(WY) | 1994 | 1993 | 1984 | 1974 | 1985 | 1979 | 1994 | 1996 | 1974 | 1992 | 1979 | 1993 |
MIN | .000 | .92 | 1.05 | .63 | 4.11 | 76.8 | 35.6 | 36.5 | 14.3 | 9.59 | .12 | .020 |
(WY) | 1961 | 1961 | 1961 | 1977 | 1963 | 1968 | 1971 | 1976 | 1988 | 1988 | 1964 | 1964 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1961 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 60650.7 | 93283.8 | ||||
ANNUAL MEAN | 166 | 256 | 170 | |||
HIGHEST ANNUAL MEAN | 357 | 1993 | ||||
LOWEST ANNUAL MEAN | 59.5 | 1963 | ||||
HIGHEST DAILY MEAN | 2600 | Feb 27 | 2180 | May 4 | 6150 | Apr 12 1994 |
LOWEST DAILY MEAN | 2.9 | Aug 6 | 1.1 | Sep 19 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 3.3 | Aug 2 | 1.4 | Sep 15 | .00 | Oct 1 1960 |
INSTANTANEOUS PEAK FLOW | 2300 | May 4 | 8040 | Apr 12 1994 | ||
INSTANTANEOUS PEAK STAGE | 12.31 | May 4 | 17.33 | Apr 12 1994 | ||
INSTANTANEOUS LOW FLOW | 1.0 | Sep 19,20 | ||||
ANNUAL RUNOFF (CFSM) | .89 | 1.37 | .92 | |||
ANNUAL RUNOFF (INCHES) | 12.13 | 18.66 | 12.44 | |||
10 PERCENT EXCEEDS | 420 | 774 | 434 | |||
50 PERCENT EXCEEDS | 66 | 121 | 63 | |||
90 PERCENT EXCEEDS | 12 | 5.2 | 2.7 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |