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 | .89 | 3.4 | 13 | 6.9 | 21 | 15 | 109 | 24 | 2.7 | 33 | .66 | 1.1 |
2 | .98 | 2.8 | 11 | 7.7 | 57 | 14 | 84 | 19 | 2.2 | 21 | .58 | .91 |
3 | 1.1 | 2.3 | 12 | 27 | 50 | 14 | 57 | 14 | 1.9 | 35 | .63 | 1.2 |
4 | 1.3 | 2.2 | 14 | 66 | 38 | 13 | 36 | 16 | 1.5 | 78 | 7.8 | .84 |
5 | 1.2 | 2.1 | 11 | 74 | 30 | 12 | 25 | 17 | 2.3 | 32 | 7.2 | .97 |
6 | 1.2 | 7.2 | 9.7 | 80 | 22 | 11 | 20 | 17 | 2.4 | 22 | 3.9 | .64 |
7 | 1.1 | 7.6 | 7.2 | 99 | 20 | 10 | 23 | 130 | 1.9 | 39 | 10 | 17 |
8 | 1.2 | 5.3 | 6.1 | 83 | 17 | 85 | 124 | 138 | 1.6 | 21 | 13 | 9.7 |
9 | 1.6 | 4.3 | 5.9 | 87 | 15 | 122 | 141 | 80 | 5.9 | 14 | 6.0 | 3.4 |
10 | 2.5 | 3.7 | 19 | 58 | 14 | 79 | 100 | 47 | 4.2 | 9.8 | 2.8 | 2.2 |
11 | 1.3 | 3.0 | 32 | 44 | 58 | 54 | 66 | 31 | 15 | 7.0 | 2.0 | 1.7 |
12 | .94 | 2.4 | 23 | 25 | 109 | e40 | 42 | 23 | 18 | 5.0 | 1.5 | 1.5 |
13 | 3.3 | 2.2 | 16 | 16 | 68 | 29 | 27 | 52 | 14 | 3.6 | 1.1 | 1.3 |
14 | 4.0 | 2.9 | 12 | 13 | 45 | 22 | 24 | 39 | 9.2 | 2.9 | .84 | 4.9 |
15 | 2.4 | 9.9 | 10 | 11 | 31 | 20 | 23 | 26 | 7.3 | 2.5 | .80 | 17 |
16 | 2.0 | 6.7 | 11 | e9.2 | 25 | 18 | 77 | 20 | 5.2 | 2.5 | 1.0 | 10 |
17 | 1.8 | 6.1 | 11 | e8.0 | 50 | 42 | 88 | 13 | 3.8 | 1.6 | .92 | 5.2 |
18 | 1.6 | 5.4 | 9.9 | e7.6 | 80 | e130 | 73 | 9.7 | 12 | 1.1 | .78 | 3.7 |
19 | 1.4 | 5.7 | 8.9 | e7.0 | 51 | e160 | 44 | 9.8 | 29 | 3.1 | .55 | 2.6 |
20 | 1.2 | 5.7 | 8.1 | e6.8 | 36 | e100 | 32 | 10 | 11 | 1.6 | 1.5 | 7.1 |
21 | 1.1 | 9.5 | 7.3 | 6.8 | 27 | e60 | 51 | 7.0 | 7.5 | 1.5 | .86 | 9.4 |
22 | 1.3 | 14 | 10 | 6.9 | 22 | e40 | 44 | 5.0 | 6.0 | .97 | .65 | 4.9 |
23 | 1.6 | 11 | 8.6 | 7.2 | 18 | e22 | 29 | 4.5 | 4.7 | 2.1 | 1.5 | 3.0 |
24 | 1.9 | 7.8 | 8.0 | 6.9 | 18 | 23 | 21 | 12 | 3.6 | 1.8 | 1.0 | 2.6 |
25 | 2.3 | 6.2 | 18 | 6.0 | 16 | 20 | 17 | 5.9 | 6.2 | 1.2 | 13 | 1.7 |
26 | 10 | 6.1 | 17 | 6.0 | 14 | 18 | 36 | 4.2 | 145 | .93 | 5.3 | 1.2 |
27 | 30 | 8.8 | 12 | 6.6 | 17 | 15 | 49 | 3.3 | 121 | .81 | 1.6 | 2.1 |
28 | 9.4 | 13 | 9.4 | 6.9 | 17 | 16 | 30 | 3.1 | 138 | .84 | 7.2 | 2.1 |
29 | 6.4 | 12 | 8.7 | 9.9 | --- | 13 | 27 | 3.2 | 97 | .77 | 5.7 | 1.2 |
30 | 4.8 | 15 | 7.6 | 12 | --- | 12 | 24 | 4.4 | 54 | .60 | 2.3 | 1.7 |
31 | 4.3 | --- | 6.9 | 11 | --- | 65 | --- | 3.3 | --- | .57 | 1.4 | --- |
TOTAL | 106.11 | 194.3 | 364.3 | 822.4 | 986 | 1294 | 1543 | 791.4 | 734.1 | 347.79 | 104.07 | 122.86 |
MEAN | 3.42 | 6.48 | 11.8 | 26.5 | 35.2 | 41.7 | 51.4 | 25.5 | 24.5 | 11.2 | 3.36 | 4.10 |
MAX | 30 | 15 | 32 | 99 | 109 | 160 | 141 | 138 | 145 | 78 | 13 | 17 |
MIN | .89 | 2.1 | 5.9 | 6.0 | 14 | 10 | 17 | 3.1 | 1.5 | .57 | .55 | .64 |
CFSM | .17 | .33 | .60 | 1.35 | 1.79 | 2.12 | 2.61 | 1.30 | 1.24 | .57 | .17 | .21 |
IN. | .20 | .37 | .69 | 1.55 | 1.86 | 2.44 | 2.91 | 1.49 | 1.39 | .66 | .20 | .23 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1953 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 6.61 | 13.3 | 15.0 | 12.0 | 18.7 | 35.2 | 36.0 | 19.7 | 14.7 | 9.40 | 8.59 | 8.40 |
MAX | 42.8 | 76.3 | 95.9 | 62.8 | 64.2 | 153 | 101 | 108 | 64.3 | 59.7 | 59.9 | 70.5 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1997 | 1979 | 1965 | 1996 | 1996 | 1982 | 1990 | 1972 |
MIN | .094 | .16 | .048 | .000 | .082 | 3.89 | 6.40 | 2.16 | .79 | .44 | .22 | .023 |
(WY) | 1961 | 1963 | 1963 | 1963 | 1963 | 1968 | 1986 | 1992 | 1963 | 1965 | 1966 | 1966 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1953 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 5664.51 | 7410.33 | ||||
ANNUAL MEAN | 15.5 | 20.3 | 16.4 | |||
HIGHEST ANNUAL MEAN | 32.2 | 1974 | ||||
LOWEST ANNUAL MEAN | 2.32 | 1963 | ||||
HIGHEST DAILY MEAN | 489 | Feb 21 | 160 A | Mar 19 | 601 | Dec 3 1982 |
LOWEST DAILY MEAN | .64 | Aug 9 | .55 | Aug 19 | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | .75 | Aug 4 | .66 | Jul 28 | .00 | Oct 5 1953 |
INSTANTANEOUS PEAK FLOW | 239 | Mar 19 | 933 | Aug 14 1987 | ||
INSTANTANEOUS PEAK STAGE | 8.34 C | Mar 19 | 11.52 | Aug 14 1987 | ||
INSTANTANEOUS LOW FLOW | .45 | Aug 3 | ||||
ANNUAL RUNOFF (CFSM) | .79 | 1.03 | .83 | |||
ANNUAL RUNOFF (INCHES) | 10.70 | 13.99 | 11.33 | |||
10 PERCENT EXCEEDS | 29 | 57 | 40 | |||
50 PERCENT EXCEEDS | 7.7 | 9.4 | 4.7 | |||
90 PERCENT EXCEEDS | 1.4 | 1.2 | .30 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |