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 | 2.4 | 2.9 | 3.7 | e1.2 | 12 | 4.9 | 1.4 | 13 | 13 | 6.6 | .16 | .43 |
2 | 2.7 | 2.3 | 2.0 | e1.2 | 20 | 5.0 | 1.7 | 9.1 | 34 | 2.7 | .16 | .43 |
3 | 6.3 | 1.8 | 1.9 | e1.2 | 16 | 4.9 | 1.6 | 7.2 | 16 | 1.3 | .14 | .32 |
4 | 2.6 | 2.3 | 1.6 | e1.2 | 13 | 3.3 | 2.6 | 5.8 | 8.7 | .94 | .14 | .26 |
5 | 24 | 1.7 | 1.6 | e1.1 | 12 | 2.9 | 2.1 | 6.1 | 6.3 | .70 | .12 | .23 |
6 | 13 | 1.2 | 16 | e1.3 | 15 | 4.2 | 3.0 | 8.8 | 7.7 | .54 | .15 | .19 |
7 | 8.5 | .96 | 20 | e1.3 | 11 | 3.9 | 1.8 | 6.0 | 18 | .47 | .15 | .18 |
8 | 4.8 | 1.2 | 12 | e1.3 | 8.2 | 3.4 | 8.9 | 4.2 | 9.6 | .41 | .13 | .16 |
9 | 3.2 | 1.5 | 7.8 | e1.2 | 7.9 | 4.9 | 80 | 3.7 | 5.1 | 4.6 | .15 | .17 |
10 | 2.3 | 58 | 6.3 | e1.2 | 6.7 | 5.6 | 40 | 3.3 | 6.8 | 1.2 | .16 | .13 |
11 | 1.7 | 25 | 4.9 | e1.15 | 10 | 6.1 | 23 | 4.8 | 5.7 | .75 | .15 | .10 |
12 | 1.5 | 17 | 3.9 | e1.1 | 9.4 | 7.2 | 15 | 34 | 4.7 | .54 | 1.1 | .29 |
13 | 1.3 | e14 | 3.0 | e1.15 | 7.3 | 6.6 | 9.9 | 14 | 95 | .47 | .45 | .21 |
14 | 1.2 | e11 | 2.5 | e1.2 | 5.3 | 5.9 | 7.1 | 8.4 | 127 | .42 | .33 | .13 |
15 | 1.0 | e9.0 | 2.2 | e2.4 | 4.3 | 7.9 | 14 | 6.0 | 48 | .29 | .27 | .11 |
16 | 1.1 | e7.0 | 2.0 | 6.2 | 3.9 | 15 | 66 | 5.0 | 23 | .26 | .25 | .09 |
17 | 63 | e6.0 | 1.8 | 20 | 3.3 | 24 | 37 | 18 | 12 | .28 | .30 | .09 |
18 | 141 | e5.0 | 1.8 | 31 | 2.7 | 15 | 23 | 12 | 6.7 | .33 | .22 | .10 |
19 | 60 | e4.5 | 1.5 | 28 | 2.7 | 11 | 16 | 7.4 | 6.0 | .38 | 15 | .21 |
20 | 27 | e3.8 | 1.3 | 24 | 2.1 | 8.6 | 13 | 5.1 | 4.7 | .52 | 4.4 | .31 |
21 | 13 | e3.2 | 1.3 | 23 | 1.8 | 6.9 | 24 | 6.3 | 3.8 | .51 | 2.0 | .30 |
22 | 6.9 | e2.7 | 1.4 | 111 | 1.7 | 5.4 | 118 | 11 | 3.4 | .33 | 1.1 | .15 |
23 | 4.1 | e2.4 | e1.3 | 115 | 1.5 | 4.5 | 217 | 8.4 | 1.9 | .35 | 1.3 | .13 |
24 | 2.8 | e2.2 | e1.3 | 86 | 1.5 | 3.7 | 89 | 5.4 | 2.0 | .56 | 9.8 | .09 |
25 | 2.1 | e2.0 | e1.3 | 46 | 1.9 | 3.2 | 47 | 3.7 | 2.0 | .31 | 22 | .10 |
26 | 1.7 | e1.9 | e1.3 | 30 | 2.6 | 2.9 | 30 | 2.7 | 1.6 | .25 | 9.6 | .11 |
27 | 5.6 | 1.4 | e1.4 | 30 | 9.0 | 2.9 | 35 | 2.3 | 1.7 | .20 | 4.0 | 1.1 |
28 | 6.3 | 1.4 | e1.4 | 28 | 6.7 | 2.5 | 68 | 2.6 | 1.6 | .21 | 1.9 | 48 |
29 | 4.7 | 1.4 | e1.3 | 18 | --- | 2.1 | 35 | 3.3 | 1.1 | .27 | .94 | 41 |
30 | 9.3 | 5.4 | e1.3 | 15 | --- | 1.8 | 20 | 3.3 | 1.0 | .27 | .54 | 17 |
31 | 4.7 | --- | e1.2 | 12 | --- | 1.7 | --- | 3.6 | --- | .19 | .42 | --- |
TOTAL | 429.8 | 200.16 | 112.3 | 642.40 | 199.5 | 187.9 | 1050.1 | 234.5 | 478.1 | 27.15 | 77.53 | 112.12 |
MEAN | 13.9 | 6.67 | 3.62 | 20.7 | 7.12 | 6.06 | 35.0 | 7.56 | 15.9 | .88 | 2.50 | 3.74 |
MAX | 141 | 58 | 20 | 115 | 20 | 24 | 217 | 34 | 127 | 6.6 | 22 | 48 |
MIN | 1.0 | .96 | 1.2 | 1.1 | 1.5 | 1.7 | 1.4 | 2.3 | 1.0 | .19 | .12 | .09 |
CFSM | 1.75 | .84 | .46 | 2.61 | .90 | .76 | 4.41 | .95 | 2.01 | .11 | .32 | .47 |
IN. | 2.02 | .94 | .53 | 3.01 | .94 | .88 | 4.93 | 1.10 | 2.24 | .13 | .36 | .53 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 1999, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 3.62 | 5.28 | 4.96 | 4.63 | 6.17 | 10.1 | 12.2 | 7.61 | 7.19 | 4.64 | 4.93 | 3.85 |
MAX | 16.9 | 28.5 | 27.2 | 20.7 | 26.5 | 36.2 | 35.0 | 31.3 | 33.5 | 26.2 | 39.7 | 23.9 |
(WY) | 1955 | 1986 | 1983 | 1999 | 1997 | 1979 | 1999 | 1996 | 1970 | 1957 | 1987 | 1972 |
MIN | .000 | .000 | .000 | .000 | .000 | 1.58 | 2.05 | 1.46 | .50 | .019 | .000 | .000 |
(WY) | 1953 | 1954 | 1954 | 1954 | 1954 | 1956 | 1989 | 1988 | 1963 | 1953 | 1953 | 1953 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1952 - 1999 | |||
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ANNUAL TOTAL | 3076.94 | 3751.56 | ||||
ANNUAL MEAN | 8.43 | 10.3 | 6.26 | |||
HIGHEST ANNUAL MEAN | 11.7 | 1972 | ||||
LOWEST ANNUAL MEAN | 1.17 | 1963 | ||||
HIGHEST DAILY MEAN | 141 | Oct 18 | 217 | Apr 23 | 476 | Aug 14 1987 |
LOWEST DAILY MEAN | .52 | Jul 31 | .09 | Sep 16,17,24 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .61 | Jul 28 | .13 | Sep 13 | .00 | Sep 12 1952 |
INSTANTANEOUS PEAK FLOW | 286 | Apr 23 | 806 | Aug 14 1987 | ||
INSTANTANEOUS PEAK STAGE | 6.23 | Apr 23 | 8.08 | Aug 14 1987 | ||
INSTANTANEOUS LOW FLOW | .06 | Sep 25 | ||||
ANNUAL RUNOFF (CFSM) | 1.06 | 1.30 | .79 | |||
ANNUAL RUNOFF (INCHES) | 14.43 | 17.60 | 10.73 | |||
10 PERCENT EXCEEDS | 20 | 24 | 14 | |||
50 PERCENT EXCEEDS | 4.6 | 3.0 | 2.2 | |||
90 PERCENT EXCEEDS | 1.2 | .26 | .03 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |