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 | .27 | 3.9 | 13 | 1.5 | 11 | 1.3 | 38 | 9.6 | e2.5 | 23 | 1.6 | 1.6 |
2 | .24 | 5.8 | 3.6 | 1.8 | 27 | 2.2 | 28 | 4.6 | e3.0 | .32 | 1.7 | .80 |
3 | .25 | 2.5 | .93 | 5.6 | 17 | 5.5 | 19 | 2.6 | 3.3 | .00 | 1.3 | .77 |
4 | .51 | 1.3 | .34 | 58 | 9.4 | 11 | 7.0 | 3.1 | 3.9 | 8.4 | 27 | 1.2 |
5 | .27 | .69 | .06 | 56 | 6.3 | 26 | 2.2 | 3.7 | 4.0 | .63 | 24 | .31 |
6 | .24 | 1.2 | .01 | 50 | 4.2 | 2.0 | 1.0 | 7.7 | 3.8 | .00 | 6.4 | .00 |
7 | .32 | 1.3 | .00 | 35 | 3.1 | .94 | .84 | 86 | 4.2 | 33 | 5.2 | 7.6 |
8 | .28 | 1.1 | .00 | 64 | 2.5 | 24 | 19 | 70 | 4.5 | 13 | 7.8 | 2.1 |
9 | 1.7 | 1.0 | 1.5 | 71 | 2.2 | 53 | 15 | 35 | 10 | 1.5 | 4.3 | 1.3 |
10 | 1.1 | 1.0 | 6.5 | e29 | 2.0 | 31 | 13 | 15 | 7.3 | .45 | 31 | 9.4 |
11 | .42 | 1.8 | 8.6 | e20 | 24 | 28 | 4.1 | e9.2 | 27 | .34 | 37 | 1.4 |
12 | .43 | 1.9 | 7.1 | 15 | 34 | 18 | 1.6 | e7.2 | 33 | .29 | 1.2 | .32 |
13 | .80 | 1.3 | .89 | e7.6 | 18 | 11 | .90 | e4.6 | 6.4 | .41 | .56 | .21 |
14 | 1.3 | .88 | .18 | e5.2 | 9.7 | 12 | 17 | e3.5 | 1.5 | .71 | .35 | .02 |
15 | .55 | 2.6 | .02 | e3.4 | 6.1 | 10 | 31 | e2.2 | 6.1 | .90 | .46 | .40 |
16 | .36 | 3.7 | .74 | e2.4 | 5.0 | 9.8 | 10 | .43 | 1.2 | .22 | .45 | .81 |
17 | .36 | 1.9 | 1.2 | e1.8 | 20 | 34 | 4.5 | 1.8 | 7.5 | .02 | .71 | .35 |
18 | .35 | 1.6 | 2.0 | e1.4 | 48 | 92 | .18 | 1.3 | 1.5 | .00 | .81 | .19 |
19 | .33 | 1.9 | 2.3 | e1.1 | 24 | 54 | .02 | 1.8 | 1.5 | 3.0 | .60 | .11 |
20 | .32 | 2.0 | 1.7 | e.92 | 13 | 40 | .45 | 1.4 | .24 | 1.1 | .38 | .04 |
21 | .39 | 2.4 | .95 | e.79 | 8.3 | 28 | 27 | 1.9 | .20 | .43 | .27 | .14 |
22 | .38 | 2.1 | 3.7 | e.71 | 5.4 | 19 | 22 | 1.8 | .15 | 4.1 | .28 | .04 |
23 | .38 | 2.0 | 9.6 | .69 | 4.4 | 22 | 7.3 | 2.2 | .15 | 7.2 | .29 | .00 |
24 | .87 | 1.5 | 10 | .82 | 8.3 | 41 | 2.2 | 3.1 | .02 | 1.4 | 2.0 | .11 |
25 | .56 | 1.0 | 25 | .69 | 13 | 32 | 3.8 | 3.9 | .00 | .58 | 2.3 | .15 |
26 | 7.2 | .83 | 16 | .17 | 27 | 7.1 | 5.0 | e2.5 | 9.1 | .44 | .89 | .13 |
27 | 36 | .44 | 8.6 | .25 | 6.7 | 12 | 17 | e2.1 | .77 | 10 | .54 | .04 |
28 | 11 | 1.6 | 5.4 | .92 | 1.8 | 4.4 | 25 | e2.4 | .32 | .49 | 2.2 | .08 |
29 | 3.6 | 6.3 | 4.1 | 2.4 | --- | 2.9 | 15 | e2.5 | .49 | .47 | 1.9 | .21 |
30 | 2.1 | 12 | 3.1 | 3.3 | --- | 9.0 | 13 | e2.9 | 11 | 1.1 | 1.4 | .75 |
31 | 1.3 | --- | 2.0 | 4.2 | --- | 9.1 | --- | e2.6 | --- | 1.3 | 1.8 | --- |
TOTAL | 74.18 | 69.54 | 139.12 | 445.66 | 361.4 | 652.24 | 350.09 | 298.63 | 154.64 | 114.80 | 166.69 | 30.58 |
MEAN | 2.39 | 2.32 | 4.49 | 14.4 | 12.9 | 21.0 | 11.7 | 9.63 | 5.15 | 3.70 | 5.38 | 1.02 |
MAX | 36 | 12 | 25 | 71 | 48 | 92 | 38 | 86 | 33 | 33 | 37 | 9.4 |
MIN | .24 | .44 | .00 | .17 | 1.8 | .94 | .02 | .43 | .00 | .00 | .27 | .00 |
CFSM | .27 | .26 | .51 | 1.63 | 1.46 | 2.38 | 1.32 | 1.09 | .58 | .42 | .61 | .12 |
IN. | .31 | .29 | .59 | 1.88 | 1.52 | 2.74 | 1.47 | 1.26 | .65 | .48 | .70 | .13 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 5.09 | 6.56 | 7.07 | 7.43 | 9.23 | 14.0 | 13.6 | 10.5 | 9.10 | 6.60 | 4.44 | 4.47 |
MAX | 41.8 | 25.6 | 28.0 | 24.1 | 23.1 | 44.4 | 40.7 | 31.5 | 33.8 | 26.1 | 16.5 | 23.3 |
(WY) | 1955 | 1986 | 1983 | 1952 | 1951 | 1979 | 1950 | 1959 | 1993 | 1957 | 1990 | 1965 |
MIN | .16 | .22 | .23 | .12 | .13 | 1.52 | .64 | 1.53 | .96 | .95 | .28 | .18 |
(WY) | 1953 | 1954 | 1964 | 1963 | 1963 | 1957 | 1986 | 1958 | 1949 | 1953 | 1948 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1948 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 3133.44 | 2857.57 | ||||
ANNUAL MEAN | 8.58 | 7.83 | 8.20 | |||
HIGHEST ANNUAL MEAN | 14.0 | 1993 | ||||
LOWEST ANNUAL MEAN | 2.22 | 1964 | ||||
HIGHEST DAILY MEAN | 119 | Feb 21 | 92 | Mar 18 | 377 | May 11 1951 |
LOWEST DAILY MEAN | .00 | A | .00 | B | .00 | C |
ANNUAL SEVEN-DAY MINIMUM | .01 | Jan 13 | .08 | Sep 22 | .00 | Sep 16 1949 |
INSTANTANEOUS PEAK FLOW | 114 | May 7 | 461 D | E | ||
INSTANTANEOUS PEAK STAGE | 7.48 | May 7 | 10.18 | Oct 11 1954 | ||
ANNUAL RUNOFF (CFSM) | .97 | .89 | .93 | |||
ANNUAL RUNOFF (INCHES) | 13.19 | 12.03 | 12.60 | |||
10 PERCENT EXCEEDS | 21 | 25 | 16 | |||
50 PERCENT EXCEEDS | 4.5 | 2.1 | 4.2 | |||
90 PERCENT EXCEEDS | .32 | .24 | .60 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |