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 | 6.5 | 16 | 12 | e2.2 | 47 | 23 | 6.6 | 56 | 32 | 14 | 1.5 | .13 |
2 | 8.6 | 14 | 9.5 | e2.1 | 56 | 19 | 5.9 | 47 | 120 | 7.0 | 1.2 | .12 |
3 | 11 | 12 | 8.7 | e2.2 | 52 | 21 | 4.7 | 40 | 71 | 5.4 | .76 | .09 |
4 | 6.7 | 11 | 7.9 | e2.2 | 41 | 17 | 7.8 | 33 | 51 | 4.5 | .62 | .09 |
5 | 26 | 7.3 | 6.9 | e2.3 | 34 | 14 | 7.1 | 28 | 39 | 3.6 | .50 | .09 |
6 | 24 | 5.6 | 20 | e2.3 | 31 | 18 | 7.8 | 32 | 31 | 3.2 | .43 | .09 |
7 | 20 | 5.7 | 46 | e2.2 | 31 | 16 | 5.5 | 29 | 23 | 2.5 | 1.1 | .09 |
8 | 13 | 6.2 | 32 | 2.4 | 25 | 12 | 12 | 23 | 18 | 2.1 | .74 | .09 |
9 | 7.9 | 5.7 | 24 | 2.2 | 23 | 14 | 65 | 19 | 14 | e8.7 | .99 | .10 |
10 | 4.6 | 87 | 19 | 2.5 | 22 | 17 | 45 | 15 | 13 | 12 | .72 | .11 |
11 | 3.7 | 60 | 16 | e2.3 | 30 | 12 | 33 | 21 | 34 | 5.9 | .53 | .11 |
12 | 4.3 | 42 | 15 | e2.3 | 33 | 12 | 27 | 80 | 37 | 4.2 | 1.6 | .77 |
13 | 2.8 | 33 | 13 | 2.4 | 27 | 13 | 24 | 59 | 103 | 3.5 | 1.4 | 1.0 |
14 | 2.3 | 26 | 12 | 2.4 | 21 | 13 | 17 | 44 | 107 | 3.1 | 2.1 | 1.3 |
15 | 2.2 | 20 | 8.5 | 3.0 | 17 | 14 | 26 | 34 | 63 | 2.5 | 1.4 | 1.6 |
16 | 2.0 | 18 | 6.3 | 4.1 | 14 | 27 | 69 | 27 | 47 | 1.9 | .75 | .41 |
17 | 64 | 16 | 5.8 | 7.8 | 14 | 54 | 55 | 55 | 38 | 2.1 | .45 | .41 |
18 | 190 | 14 | e4.8 | 16 | 13 | 46 | 46 | 41 | 32 | 1.9 | .40 | .33 |
19 | 116 | 12 | e4.0 | 12 | 11 | 37 | 37 | 31 | 25 | 2.4 | 1.4 | .28 |
20 | 70 | 6.8 | e3.5 | 10 | 11 | 31 | 31 | 24 | 18 | 14 | 2.0 | .28 |
21 | 55 | 7.1 | e3.1 | 13 | 9.5 | 24 | 28 | 30 | 14 | 21 | 2.0 | .30 |
22 | 47 | 8.1 | e2.9 | 134 | 7.8 | 20 | 68 | 75 | 12 | 15 | 1.3 | .37 |
23 | 39 | 6.0 | e2.7 | 195 | 6.8 | 14 | 207 | 56 | 10 | 11 | 1.9 | .35 |
24 | 32 | 5.1 | e2.5 | 183 | 8.5 | 11 | 134 | 44 | 8.9 | 33 | 2.3 | .37 |
25 | 25 | 4.8 | e2.4 | 120 | 9.7 | 10 | 81 | 33 | 7.1 | 19 | 9.6 | .35 |
26 | 18 | 5.4 | e2.4 | 81 | 9.2 | 9.3 | 62 | 25 | 6.1 | 12 | 7.1 | .34 |
27 | 21 | 6.7 | e2.4 | 72 | 27 | 7.1 | 100 | 20 | 4.7 | 6.2 | 3.2 | 1.2 |
28 | 34 | 5.9 | e2.5 | 72 | 29 | 6.2 | 153 | 17 | 3.9 | 4.1 | 2.3 | 39 |
29 | 26 | 4.5 | 2.7 | 59 | --- | 7.6 | 93 | 15 | 3.8 | 3.6 | 1.8 | 40 |
30 | 24 | 11 | 2.3 | 53 | --- | 5.6 | 68 | 13 | 3.3 | 2.3 | .99 | 25 |
31 | 19 | --- | e2.3 | 49 | --- | 5.0 | --- | 14 | --- | 1.6 | .27 | --- |
TOTAL | 925.6 | 482.9 | 303.1 | 1115.9 | 660.5 | 549.8 | 1526.4 | 1080 | 989.8 | 233.3 | 53.35 | 114.77 |
MEAN | 29.9 | 16.1 | 9.78 | 36.0 | 23.6 | 17.7 | 50.9 | 34.8 | 33.0 | 7.53 | 1.72 | 3.83 |
MAX | 190 | 87 | 46 | 195 | 56 | 54 | 207 | 80 | 120 | 33 | 9.6 | 40 |
MIN | 2.0 | 4.5 | 2.3 | 2.1 | 6.8 | 5.0 | 4.7 | 13 | 3.3 | 1.6 | .27 | .09 |
CFSM | 1.65 | .89 | .54 | 1.99 | 1.30 | .98 | 2.81 | 1.92 | 1.82 | .42 | .10 | .21 |
IN. | 1.90 | .99 | .62 | 2.29 | 1.36 | 1.13 | 3.14 | 2.22 | 2.03 | .48 | .11 | .24 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 9.67 | 16.2 | 13.9 | 16.0 | 19.5 | 23.2 | 26.1 | 21.1 | 18.4 | 13.5 | 12.3 | 7.57 |
MAX | 29.9 | 36.0 | 40.5 | 36.9 | 57.6 | 44.4 | 62.9 | 46.1 | 48.3 | 80.8 | 82.1 | 29.1 |
(WY) | 1999 | 1996 | 1988 | 1993 | 1997 | 1990 | 1993 | 1990 | 1996 | 1996 | 1987 | 1987 |
MIN | 2.37 | 1.99 | 2.19 | 3.45 | 5.63 | 6.97 | 6.09 | 3.99 | 2.01 | 3.12 | 1.51 | 1.52 |
(WY) | 1993 | 1998 | 1998 | 1987 | 1987 | 1996 | 1989 | 1989 | 1992 | 1991 | 1986 | 1988 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1986 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 6829.22 | 8035.42 | ||||
ANNUAL MEAN | 18.7 | 22.0 | 16.8 | |||
HIGHEST ANNUAL MEAN | 24.0 | 1993 | ||||
LOWEST ANNUAL MEAN | 9.33 | 1989 | ||||
HIGHEST DAILY MEAN | 190 | Oct 18 | 207 | Apr 23 | 1210 | Jul 18 1996 |
LOWEST DAILY MEAN | .38 | Aug 2 | .09 | Sep 3-8 | .04 | Sep 9 1988 |
ANNUAL SEVEN-DAY MINIMUM | .82 | Jul 28 | .09 | Sep 3 | .09 | Sep 3 1999 |
INSTANTANEOUS PEAK FLOW | 241 | Apr 23 | 1980 | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 6.24 | Apr 23 | 9.24 | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | .07 | Sep 8 | .02 | A | ||
ANNUAL RUNOFF (CFSM) | 1.03 | 1.22 | .93 | |||
ANNUAL RUNOFF (INCHES) | 14.04 | 16.51 | 12.60 | |||
10 PERCENT EXCEEDS | 44 | 55 | 38 | |||
50 PERCENT EXCEEDS | 12 | 12 | 8.1 | |||
90 PERCENT EXCEEDS | 2.1 | 1.0 | 1.3 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |