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 | .44 | 1.1 | 1.9 | 3.8 | 11 | 2.0 | 25 | 2.0 | e2.2 | .90 | 1.0 | .63 |
2 | .33 | .66 | 1.5 | 10 | 19 | 1.9 | 11 | 2.0 | e1.6 | .65 | .62 | .64 |
3 | .38 | .66 | 3.1 | 38 | 7.3 | 1.9 | 5.0 | 1.7 | e1.3 | 13 | 5.7 | .76 |
4 | .53 | .85 | 2.0 | 47 | 5.0 | 1.7 | 2.4 | 2.3 | e1.1 | 13 | 63 | 1.1 |
5 | .50 | .58 | 1.4 | 40 | 3.3 | 2.0 | 1.5 | 4.4 | e1.9 | 2.7 | 65 | .46 |
6 | .34 | 9.7 | 1.2 | 31 | 2.6 | 1.9 | 1.6 | 2.4 | e1.8 | 1.3 | 14 | .44 |
7 | .33 | 1.7 | 1.0 | 25 | 2.3 | 1.8 | 27 | 244 | e1.5 | 16 | 30 | e.62 |
8 | .33 | .97 | .96 | 21 | 2.0 | 65 | 76 | 101 | e1.1 | 4.3 | 8.1 | e17 |
9 | 2.0 | .77 | 1.1 | 26 | 1.9 | 35 | 40 | 25 | e6.0 | 1.5 | 2.2 | e9.0 |
10 | .47 | .56 | 8.8 | 9.4 | 1.6 | 14 | 9.5 | 17 | e4.5 | 1.1 | 1.3 | e3.5 |
11 | .36 | .47 | 7.9 | 7.3 | 47 | 5.6 | 3.9 | 11 | e3.0 | 1.1 | .97 | e2.2 |
12 | .30 | .57 | 3.7 | 3.9 | 25 | 2.7 | 3.7 | 10 | 5.5 | 1.2 | .76 | 1.5 |
13 | 13 | .62 | 2.1 | e3.0 | 6.9 | 1.7 | 4.2 | 8.1 | 20 | .87 | .66 | 1.5 |
14 | 2.6 | .69 | 1.7 | 2.5 | 2.9 | 1.6 | 5.2 | 5.6 | 1.6 | .70 | 2.7 | 12 |
15 | .84 | 5.7 | 1.6 | e2.0 | 1.5 | 1.5 | 8.8 | 4.1 | .99 | .65 | 5.1 | 15 |
16 | .75 | 3.3 | 4.7 | 2.2 | 8.1 | 1.8 | 23 | 3.7 | .58 | .65 | 1.3 | 3.9 |
17 | .64 | 1.4 | 2.4 | 1.9 | 31 | 33 | 4.1 | 2.5 | .53 | .62 | .83 | 3.1 |
18 | .51 | 1.0 | 1.7 | 1.9 | 25 | 91 | 2.0 | 2.2 | e.80 | .65 | .66 | 2.4 |
19 | .42 | .82 | 1.6 | 1.4 | 8.4 | 31 | 1.5 | 1.6 | e1.0 | 4.4 | .60 | 1.6 |
20 | .40 | .89 | 1.6 | 1.3 | 5.3 | 12 | 29 | 2.1 | e20 | 1.2 | .55 | 2.1 |
21 | .36 | 1.5 | 1.4 | 1.2 | 2.9 | 6.4 | 45 | 1.7 | e5.0 | .65 | .57 | 2.0 |
22 | .41 | 1.1 | 1.7 | 1.7 | 1.7 | 4.3 | 14 | 1.8 | .72 | .87 | 48 | 1.9 |
23 | .34 | .77 | 7.9 | 1.9 | 1.5 | 2.7 | 6.6 | 2.0 | .55 | .66 | 9.8 | 1.8 |
24 | 4.3 | .65 | 13 | 1.7 | 3.9 | 1.9 | 3.5 | 10 | .49 | .77 | 49 | 1.6 |
25 | 1.9 | .65 | 22 | 1.4 | 1.7 | 1.4 | 1.6 | 1.6 | 5.1 | .65 | 85 | 1.6 |
26 | 56 | .65 | 12 | 1.3 | 1.9 | 1.7 | 12 | e1.4 | 35 | .65 | 4.7 | 1.5 |
27 | 45 | 5.3 | 7.8 | 1.6 | 5.5 | 2.1 | 3.0 | e1.7 | 3.3 | 1.2 | 1.7 | 1.2 |
28 | 2.3 | 4.3 | 5.9 | 1.7 | 1.7 | 7.2 | 1.6 | e2.0 | 42 | 1.0 | 17 | 1.2 |
29 | 1.3 | 5.0 | e5.0 | e2.9 | --- | 1.7 | 7.7 | e3.0 | 4.9 | .69 | 3.1 | 1.2 |
30 | .78 | 4.0 | e4.8 | e2.5 | --- | 1.8 | 1.9 | e3.8 | 1.9 | .71 | 1.3 | 5.8 |
31 | .65 | --- | 4.4 | 3.1 | --- | 61 | --- | e3.0 | --- | .47 | .90 | --- |
TOTAL | 138.81 | 56.93 | 137.86 | 299.6 | 237.9 | 401.3 | 381.3 | 484.7 | 175.96 | 74.81 | 426.12 | 99.25 |
MEAN | 4.48 | 1.90 | 4.45 | 9.66 | 8.50 | 12.9 | 12.7 | 15.6 | 5.87 | 2.41 | 13.7 | 3.31 |
MAX | 56 | 9.7 | 22 | 47 | 47 | 91 | 76 | 244 | 42 | 16 | 85 | 17 |
MIN | .30 | .47 | .96 | 1.2 | 1.5 | 1.4 | 1.5 | 1.4 | .49 | .47 | .55 | .44 |
CFSM | .34 | .14 | .34 | .73 | .64 | .98 | .96 | 1.18 | .44 | .18 | 1.04 | .25 |
IN. | .39 | .16 | .39 | .84 | .67 | 1.13 | 1.07 | 1.37 | .50 | .21 | 1.20 | .28 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 6.58 | 8.13 | 6.95 | 6.52 | 9.08 | 15.0 | 18.9 | 12.6 | 12.4 | 9.04 | 10.6 | 8.13 |
MAX | 35.6 | 46.4 | 34.3 | 43.2 | 38.2 | 107 | 54.1 | 64.0 | 54.1 | 38.4 | 69.9 | 55.7 |
(WY) | 1955 | 1986 | 1983 | 1974 | 1997 | 1979 | 1975 | 1974 | 1972 | 1957 | 1987 | 1972 |
MIN | .13 | .31 | .077 | .077 | .19 | .72 | 2.24 | 1.44 | .90 | 2.41 | .32 | .60 |
(WY) | 1963 | 1963 | 1964 | 1959 | 1972 | 1968 | 1989 | 1982 | 1982 | 1998 | 1973 | 1966 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1951 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 2955.29 | 2914.54 | ||||
ANNUAL MEAN | 8.10 | 7.99 | 10.3 | |||
HIGHEST ANNUAL MEAN | 23.4 | 1974 | ||||
LOWEST ANNUAL MEAN | 3.07 | 1963 | ||||
HIGHEST DAILY MEAN | 639 | Feb 21 | 244 | May 7 | 1120 | Aug 14 1987 |
LOWEST DAILY MEAN | .30 | Sep 4, Oct 12 | .30 | Oct 12 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .39 | Oct 2 | .39 | Oct 2 | .00 | Nov 4 1958 |
INSTANTANEOUS PEAK FLOW | 484 | May 7 | 1590 | Jun 10 1967 | ||
INSTANTANEOUS PEAK STAGE | 4.78 | May 7 | 15.09 B | Jun 10 1967 | ||
INSTANTANEOUS LOW FLOW | .07 | Sep 2 | ||||
ANNUAL RUNOFF (CFSM) | .61 | .60 | .78 | |||
ANNUAL RUNOFF (INCHES) | 8.33 | 8.21 | 10.62 | |||
10 PERCENT EXCEEDS | 13 | 22 | 21 | |||
50 PERCENT EXCEEDS | 1.4 | 1.9 | 2.2 | |||
90 PERCENT EXCEEDS | .51 | .64 | .23 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |