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 | .00 | .00 | .56 | 1.7 | 16 | 53 | 41 | 130 | 8.3 | 32 | 10 | 1.1 |
2 | .00 | .00 | .68 | 1.5 | 15 | 43 | 37 | 248 | 8.1 | 19 | 8.7 | .97 |
3 | .00 | .00 | 1.1 | 1.4 | 15 | 38 | 60 | 256 | 7.4 | 13 | 7.4 | .89 |
4 | .00 | .00 | .90 | 1.4 | 15 | 33 | 78 | 81 | 6.5 | 11 | 6.3 | .82 |
5 | .00 | .00 | .83 | 15 | 15 | 29 | 57 | 59 | 7.6 | 9.5 | 5.9 | .80 |
6 | .00 | .10 | .76 | 104 | 16 | 27 | 47 | 51 | 7.4 | 12 | 7.6 | .80 |
7 | .00 | .18 | .67 | 220 | 15 | 28 | 41 | 352 | 7.2 | 15 | 682 | .80 |
8 | .00 | .15 | .63 | 225 | 15 | 51 | 37 | 99 | 6.6 | 9.9 | 488 | .79 |
9 | .00 | .11 | .63 | 76 | 16 | 63 | 36 | 62 | 16 | 8.4 | 114 | .82 |
10 | .00 | .05 | .75 | 37 | 19 | 50 | 33 | 50 | 12 | 7.3 | 55 | .85 |
11 | .00 | .00 | .77 | 24 | 44 | 42 | 30 | 39 | 9.8 | 6.5 | 29 | .80 |
12 | .00 | .00 | .85 | 19 | 95 | 35 | 27 | 32 | 8.7 | 6.0 | 20 | .84 |
13 | .13 | .25 | .83 | 16 | 58 | 33 | 40 | 26 | 8.0 | 17 | 14 | .81 |
14 | .05 | .40 | .79 | 13 | 41 | 31 | 331 | 23 | 175 | 12 | 11 | .81 |
15 | .00 | .38 | .73 | 17 | 32 | 28 | 90 | 20 | 121 | 306 | 8.6 | .75 |
16 | .00 | .40 | .69 | 22 | 218 | 35 | 696 | 18 | 28 | 76 | 7.2 | .73 |
17 | .00 | e.60 | .61 | 18 | 451 | 114 | 151 | 15 | 18 | 40 | 6.3 | .73 |
18 | .00 | e.50 | .55 | 14 | 311 | 556 | 77 | 14 | 14 | 27 | 5.6 | .68 |
19 | .00 | .41 | .53 | 12 | 103 | 267 | 60 | 13 | 15 | 20 | 4.9 | .66 |
20 | .00 | .33 | .49 | 10 | 67 | 761 | 49 | 12 | 13 | 17 | 4.2 | .66 |
21 | .02 | .27 | .49 | 9.2 | 53 | 169 | 44 | 12 | 47 | 15 | 3.6 | .67 |
22 | .00 | .23 | .63 | 9.2 | 44 | 86 | 39 | 13 | 26 | 13 | 3.3 | .69 |
23 | .00 | .16 | .65 | 21 | 39 | 61 | 36 | 12 | 17 | 11 | 3.1 | .67 |
24 | .02 | .10 | 2.3 | 22 | 33 | 48 | 32 | 11 | 13 | 9.5 | 2.7 | .69 |
25 | .00 | .03 | 5.2 | 19 | 30 | 41 | 29 | 11 | 11 | 8.6 | 2.4 | .67 |
26 | .01 | .00 | 2.9 | 16 | 29 | 37 | 27 | 11 | 9.2 | 8.1 | 2.1 | .58 |
27 | .00 | .01 | 2.4 | 14 | 154 | 32 | 29 | 10 | 7.9 | 7.8 | 1.6 | .59 |
28 | .00 | .01 | 2.2 | 12 | 70 | 33 | 34 | 9.4 | 6.8 | 7.4 | 1.5 | .60 |
29 | .00 | .03 | 2.0 | 17 | --- | 30 | 220 | 9.0 | 8.9 | 8.4 | 1.4 | .59 |
30 | .00 | .28 | 1.9 | 18 | --- | 28 | 681 | 8.8 | 390 | 12 | 1.3 | .56 |
31 | .00 | --- | 1.9 | 17 | --- | 29 | --- | 8.4 | --- | 12 | 1.1 | --- |
TOTAL | 0.23 | 4.98 | 36.92 | 1022.4 | 2029 | 2911 | 3189 | 1715.6 | 1034.4 | 777.4 | 1519.8 | 22.42 |
MEAN | .007 | .17 | 1.19 | 33.0 | 72.5 | 93.9 | 106 | 55.3 | 34.5 | 25.1 | 49.0 | .75 |
MAX | .13 | .60 | 5.2 | 225 | 451 | 761 | 696 | 352 | 390 | 306 | 682 | 1.1 |
MIN | .00 | .00 | .49 | 1.4 | 15 | 27 | 27 | 8.4 | 6.5 | 6.0 | 1.1 | .56 |
CFSM | .00 | .00 | .03 | .77 | 1.69 | 2.19 | 2.48 | 1.29 | .80 | .58 | 1.14 | .02 |
IN. | .00 | .00 | .03 | .89 | 1.76 | 2.52 | 2.77 | 1.49 | .90 | .67 | 1.32 | .02 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 6.02 | 47.2 | 84.8 | 79.1 | 101 | 132 | 125 | 85.1 | 34.7 | 16.7 | 11.2 | 5.41 |
MAX | 59.5 | 216 | 377 | 265 | 287 | 306 | 408 | 266 | 153 | 89.9 | 174 | 75.0 |
(WY) | 1986 | 1986 | 1983 | 1969 | 1989 | 1979 | 1983 | 1990 | 1970 | 1989 | 1985 | 1985 |
MIN | .000 | .057 | .14 | .77 | 5.31 | 28.2 | 20.6 | 4.05 | .22 | .14 | .034 | .013 |
(WY) | 1988 | 1972 | 1977 | 1981 | 1996 | 1981 | 1986 | 1988 | 1988 | 1978 | 1988 | 1976 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1968 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 24568.13 | 14263.15 | ||||
ANNUAL MEAN | 67.3 | 39.1 | 60.4 | |||
HIGHEST ANNUAL MEAN | 114 | 1983 | ||||
LOWEST ANNUAL MEAN | 20.1 | 1987 | ||||
HIGHEST DAILY MEAN | 2930 | Mar 1 | 761 | Mar 20 | 4670 | Aug 24 1985 |
LOWEST DAILY MEAN | .00 | Many days | .00 | Many days | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .00 | Sep 26 | .00 | Oct 1 | .00 | Aug 25 1968 |
INSTANTANEOUS PEAK FLOW | 2610 | Aug 7 | 16100 B | Aug 24 1985 | ||
INSTANTANEOUS PEAK STAGE | 11.17 | Aug 7 | 27.78 | Aug 24 1985 | ||
ANNUAL RUNOFF (CFSM) | 1.57 | .91 | 1.41 | |||
ANNUAL RUNOFF (INCHES) | 21.30 | 12.37 | 19.14 | |||
10 PERCENT EXCEEDS | 141 | 76 | 119 | |||
50 PERCENT EXCEEDS | 5.5 | 10 | 9.5 | |||
90 PERCENT EXCEEDS | .00 | .01 | .10 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |