DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | .56 | .63 | 4.6 | 12 | 384 | 65 | 27 | 18 | 2.3 | 54 | .52 | .00 |
2 | .60 | .73 | 4.4 | 532 | 166 | 45 | 26 | 16 | e300 | 9.9 | .49 | .00 |
3 | .59 | .80 | 4.2 | 225 | 83 | 34 | 431 | 14 | e30 | 5.6 | .46 | .00 |
4 | .60 | .89 | 4.5 | e100 | 55 | 26 | 818 | 12 | 9.4 | 3.7 | .40 | .00 |
5 | .59 | .98 | 22 | e50 | 40 | 26 | 217 | 158 | e7.0 | 3.0 | .39 | .00 |
6 | 1.4 | 1.0 | 17 | e28 | 36 | 367 | 651 | 365 | e6.2 | 2.6 | .36 | .00 |
7 | 58 | 1.1 | 17 | e23 | 236 | 107 | 148 | 84 | 5.3 | 2.1 | .34 | .00 |
8 | 14 | 1.1 | 16 | e45 | 113 | 78 | 84 | 40 | 4.5 | 1.7 | .37 | .00 |
9 | 5.4 | 1.2 | 12 | e90 | 65 | 623 | 60 | 27 | 4.0 | 1.6 | .37 | .00 |
10 | 3.3 | 1.7 | 9.7 | e60 | 47 | 174 | 43 | 20 | 3.5 | e20 | .34 | .00 |
11 | 2.0 | 3.8 | 8.5 | e40 | 40 | 83 | 35 | 17 | 3.3 | e7.0 | .34 | .00 |
12 | 1.5 | 5.2 | 7.9 | e65 | 58 | 56 | 27 | 15 | 3.0 | 4.4 | .34 | .00 |
13 | 1.1 | 3.7 | 7.4 | 161 | 46 | 43 | 23 | 13 | 2.9 | 3.3 | .32 | .00 |
14 | .78 | 2.7 | 6.8 | 156 | 36 | 143 | 29 | 12 | 21 | 2.6 | .30 | .00 |
15 | .74 | 2.5 | 6.2 | 75 | 31 | 169 | 170 | 9.9 | 7.9 | 2.0 | .30 | .00 |
16 | .61 | 2.1 | 5.9 | 52 | 28 | 247 | 92 | 8.8 | 6.7 | 1.8 | .30 | .00 |
17 | .60 | 2.0 | 5.7 | 54 | 28 | 194 | 54 | 7.5 | 5.3 | 1.6 | .30 | .00 |
18 | .97 | 1.9 | 5.2 | 139 | 26 | 87 | 40 | 7.2 | 4.0 | 1.5 | .30 | .00 |
19 | 1.7 | 2.0 | 4.9 | 71 | 23 | 57 | 34 | 6.5 | 3.1 | 1.4 | .30 | .00 |
20 | 1.8 | 21 | 4.8 | 49 | 20 | 45 | 29 | 5.6 | 2.6 | 1.3 | .28 | .00 |
21 | 1.4 | 16 | 390 | e55 | 18 | 38 | 25 | 4.8 | 2.5 | 1.3 | .27 | .00 |
22 | 1.2 | 8.5 | 300 | e2300 | 16 | 30 | 22 | 4.4 | 2.5 | 1.2 | .27 | .00 |
23 | 1.1 | 6.5 | 87 | e800 | 16 | 56 | 19 | 3.7 | 2.1 | 1.1 | .26 | .00 |
24 | .98 | 5.4 | 45 | e350 | 19 | 66 | 17 | 3.2 | 1.9 | .98 | .24 | .00 |
25 | .93 | 5.2 | 34 | e170 | 19 | 45 | 15 | 2.9 | 1.8 | .93 | .22 | .00 |
26 | .90 | 5.1 | 28 | e75 | 18 | 36 | 14 | 2.7 | 5.9 | .79 | .21 | .00 |
27 | .82 | 4.2 | 20 | e45 | 44 | 32 | 16 | 2.3 | 16 | .71 | .20 | .00 |
28 | .80 | 4.1 | 15 | 35 | 162 | 27 | 24 | 2.2 | 4.9 | .61 | .18 | .00 |
29 | .76 | 3.6 | 14 | 28 | --- | 24 | 51 | 2.0 | 3.0 | .61 | .15 | .00 |
30 | .76 | 4.2 | 12 | 25 | --- | 21 | 23 | 1.8 | 4.2 | .61 | .11 | .00 |
31 | .68 | --- | 12 | 601 | --- | 21 | --- | 1.8 | --- | .57 | .04 | --- |
TOTAL | 107.17 | 119.83 | 1131.7 | 6511 | 1873 | 3065 | 3264 | 888.3 | 476.8 | 140.51 | 9.27 | 0.00 |
MEAN | 3.46 | 3.99 | 36.5 | 210 | 66.9 | 98.9 | 109 | 28.7 | 15.9 | 4.53 | .30 | .000 |
MAX | 58 | 21 | 390 | 2300 | 384 | 623 | 818 | 365 | 300 | 54 | .52 | .00 |
MIN | .56 | .63 | 4.2 | 12 | 16 | 21 | 14 | 1.8 | 1.8 | .57 | .04 | .00 |
CFSM | .08 | .09 | .85 | 4.90 | 1.56 | 2.30 | 2.54 | .67 | .37 | .11 | .01 | .00 |
IN. | .09 | .10 | .98 | 5.65 | 1.62 | 2.66 | 2.83 | .77 | .41 | .12 | .01 | .00 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 5.94 | 45.9 | 83.3 | 83.2 | 99.6 | 131 | 124 | 83.3 | 34.1 | 16.3 | 10.8 | 5.24 |
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 | .000 |
(WY) | 1988 | 1972 | 1977 | 1981 | 1996 | 1981 | 1986 | 1988 | 1988 | 1978 | 1988 | 1999 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1968 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 15579.72 | 17586.58 | ||||
ANNUAL MEAN | 42.7 | 48.2 | 60.1 | |||
HIGHEST ANNUAL MEAN | 114 | 1983 | ||||
LOWEST ANNUAL MEAN | 20.1 | 1987 | ||||
HIGHEST DAILY MEAN | 761 | Mar 20 | 2300 A | Jan 22 | 4670 | Aug 24 1985 |
LOWEST DAILY MEAN | .56 | Sep 30,Oct 1 | .00 | Many days | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | .58 | Sep 26 | .00 | Sep 1 | .00 | Aug 25 1968 |
INSTANTANEOUS PEAK FLOW | 7530 | Jan 22 | 16100 C | Aug 24 1985 | ||
INSTANTANEOUS PEAK STAGE | 19.79 | Jan 22 | 27.78 | Aug 24 1985 | ||
ANNUAL RUNOFF (CFSM) | .99 | 1.12 | 1.40 | |||
ANNUAL RUNOFF (INCHES) | 13.51 | 15.25 | 19.02 | |||
10 PERCENT EXCEEDS | 83 | 91 | 118 | |||
50 PERCENT EXCEEDS | 12 | 5.7 | 9.3 | |||
90 PERCENT EXCEEDS | .80 | .22 | .10 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |