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 | .10 | .27 | e8.0 | e1.6 | 8.3 | 105 | 210 | 508 | 11 | 34 | 264 | 2.0 |
2 | .06 | .30 | e4.0 | e1.7 | 6.7 | 80 | 123 | 312 | 9.0 | 18 | 46 | 2.4 |
3 | .03 | .19 | e2.0 | e1.8 | 5.4 | 45 | 79 | 620 | 7.5 | 8.8 | 102 | 2.0 |
4 | .00 | .16 | e2.5 | e2.0 | 4.8 | 32 | 359 | 787 | 31 | 5.7 | 1310 | 1.6 |
5 | .00 | .25 | e1.8 | e2.5 | 4.3 | 27 | 265 | 271 | 401 | 4.1 | 1570 | 1.5 |
6 | .00 | .66 | e1.4 | e55 | 4.4 | 34 | 89 | 83 | 261 | 157 | 487 | 1.3 |
7 | .00 | .49 | e1.1 | e30 | 4.1 | 28 | 61 | 84 | 72 | 284 | 224 | 1.2 |
8 | .00 | .43 | e.80 | e650 | 3.9 | 191 | 182 | 271 | 61 | 887 | 199 | 1.0 |
9 | .00 | .39 | e1.0 | 467 | 3.6 | 658 | 185 | 243 | 451 | 552 | 101 | .92 |
10 | .00 | .30 | e1.2 | 99 | 3.3 | 307 | 69 | 59 | 367 | 89 | 55 | .76 |
11 | .00 | .33 | e1.0 | 42 | 4.0 | 89 | 45 | 34 | 77 | 737 | 35 | .65 |
12 | .00 | .30 | e.85 | 26 | 4.5 | 42 | 35 | 23 | 136 | 225 | 27 | .69 |
13 | .08 | .33 | e.75 | 18 | 8.7 | 32 | 32 | 17 | 733 | 37 | 21 | .67 |
14 | .15 | .39 | e.65 | 14 | 8.9 | 29 | 67 | 14 | 756 | 19 | 18 | .62 |
15 | .07 | e.23 | e.55 | 15 | 7.6 | 25 | 128 | 11 | 725 | 12 | 13 | .53 |
16 | .05 | e.12 | .50 | 18 | 9.6 | 22 | 754 | 8.8 | 358 | 9.1 | 9.7 | .55 |
17 | .05 | e.06 | e.44 | 18 | 267 | 47 | 662 | 7.4 | 105 | 7.4 | 7.7 | .76 |
18 | .06 | .01 | e.39 | 14 | 670 | 599 | 113 | 6.1 | 48 | 6.2 | 6.3 | .85 |
19 | .05 | e.00 | e.34 | 11 | 209 | 431 | 60 | 5.3 | 28 | 5.0 | 5.1 | .85 |
20 | .02 | e.00 | e.30 | 9.6 | 103 | 1480 | 43 | 4.5 | 19 | 4.2 | 4.2 | .92 |
21 | .00 | .00 | e.50 | 8.0 | 106 | 1310 | 36 | 5.0 | 20 | 3.6 | 3.5 | 1.5 |
22 | .00 | e.00 | e1.5 | 7.4 | 61 | 597 | 33 | 1100 | 18 | 4.8 | 3.1 | 2.0 |
23 | .00 | e.00 | e10 | 7.3 | 39 | 106 | 30 | 1520 | 14 | 178 | 2.9 | 2.8 |
24 | .26 | e.00 | e8.0 | 7.5 | 28 | 65 | 25 | 1480 | 11 | 131 | 2.6 | 2.3 |
25 | .17 | e.00 | e30 | 8.1 | 21 | 48 | 21 | 126 | 8.9 | 30 | 2.4 | 479 |
26 | .38 | e.00 | e18 | 10 | 18 | 41 | 18 | 72 | 6.9 | 14 | 2.1 | 337 |
27 | .22 | e.00 | e8.0 | 14 | 282 | 38 | 15 | 46 | 5.3 | 9.1 | 1.9 | 73 |
28 | .17 | e.00 | e4.5 | 16 | 378 | 1120 | 13 | 32 | 4.4 | 6.5 | 1.8 | 24 |
29 | .10 | e.00 | e3.0 | 15 | --- | 1030 | 19 | 23 | 5.6 | 5.2 | 1.6 | 11 |
30 | .12 | e2.0 | e2.0 | 12 | --- | 223 | 311 | 18 | 49 | 39 | 1.6 | 6.2 |
31 | .17 | --- | e1.5 | 9.9 | --- | 95 | --- | 14 | --- | 459 | 1.6 | --- |
TOTAL | 2.31 | 7.21 | 116.57 | 1611.4 | 2274.1 | 8976 | 4082 | 7805.1 | 4799.6 | 3981.7 | 4530.1 | 960.57 |
MEAN | .075 | .24 | 3.76 | 52.0 | 81.2 | 290 | 136 | 252 | 160 | 128 | 146 | 32.0 |
MAX | .38 | 2.0 | 30 | 650 | 670 | 1480 | 754 | 1520 | 756 | 887 | 1570 | 479 |
MIN | .00 | .00 | .30 | 1.6 | 3.3 | 22 | 13 | 4.5 | 4.4 | 3.6 | 1.6 | .53 |
CFSM | .00 | .00 | .03 | .46 | .72 | 2.56 | 1.20 | 2.23 | 1.42 | 1.14 | 1.29 | .28 |
IN. | .00 | .00 | .04 | .53 | .75 | 2.95 | 1.34 | 2.57 | 1.58 | 1.31 | 1.49 | .32 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 17.8 | 113 | 135 | 115 | 167 | 181 | 180 | 151 | 60.0 | 47.0 | 25.8 | 30.8 |
MAX | 111 | 628 | 547 | 408 | 591 | 425 | 628 | 862 | 260 | 268 | 196 | 341 |
(WY) | 1985 | 1986 | 1988 | 1993 | 1982 | 1984 | 1994 | 1990 | 1983 | 1993 | 1985 | 1993 |
MIN | .010 | .029 | .21 | .030 | 6.48 | 4.61 | 2.10 | 2.64 | .16 | .057 | .004 | .006 |
(WY) | 1996 | 1996 | 1990 | 1981 | 1996 | 1981 | 1981 | 1988 | 1988 | 1984 | 1983 | 1996 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1980 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 26052.47 | 39146.66 | ||||
ANNUAL MEAN | 71.4 | 107 | 102 | |||
HIGHEST ANNUAL MEAN | 175 | 1985 | ||||
LOWEST ANNUAL MEAN | 29.7 | 1981 | ||||
HIGHEST DAILY MEAN | 2800 | Feb 28 | 1570 | Aug 5 | 7660 | May 17 1990 |
LOWEST DAILY MEAN | .00 | Many days | .00 | Many days | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .00 | Oct 4 | .00 | Oct 4 | .00 | Oct 9 1980 |
INSTANTANEOUS PEAK FLOW | 2120 | May 22 | 17000 B | May 16 1990 | ||
INSTANTANEOUS PEAK STAGE | 14.94 | May 22 | 20.03 | May 16 1990 | ||
ANNUAL RUNOFF (CFSM) | .63 | .95 | .90 | |||
ANNUAL RUNOFF (INCHES) | 8.58 | 12.89 | 12.21 | |||
10 PERCENT EXCEEDS | 130 | 345 | 182 | |||
50 PERCENT EXCEEDS | 5.1 | 9.7 | 8.5 | |||
90 PERCENT EXCEEDS | .05 | .11 | .06 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |