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 | .17 | 2.0 | 3.7 | 2.1 | 16 | 11 | 54 | 17 | 3.7 | 5.5 | .49 | 1.8 |
2 | .19 | 1.4 | 2.0 | 2.5 | 42 | 9.7 | 50 | 15 | 2.6 | 3.2 | .38 | 1.1 |
3 | .15 | 1.2 | 1.6 | 14 | 38 | 12 | 37 | 15 | 2.2 | 31 | .40 | 1.1 |
4 | 1.1 | .99 | 1.4 | 40 | 34 | 12 | 32 | 14 | 3.3 | 147 | 10 | .76 |
5 | .59 | .87 | 1.6 | 54 | 26 | 12 | 25 | 16 | 3.7 | 60 | 14 | .67 |
6 | .44 | 1.5 | 1.9 | 56 | 20 | 12 | 22 | 20 | 3.0 | 43 | 15 | .99 |
7 | .23 | 1.1 | 1.4 | 60 | 17 | 11 | 24 | 114 | 2.3 | 43 | 18 | e38 |
8 | .11 | 1.2 | 1.1 | 47 | 16 | 35 | 65 | 171 | 2.1 | 32 | 13 | e25 |
9 | 1.5 | 1.0 | 1.0 | 44 | 14 | 64 | 63 | 93 | 17 | 24 | 7.8 | e15 |
10 | .51 | 1.0 | 1.4 | 34 | 13 | 45 | 48 | 60 | 13 | 17 | 5.1 | e10 |
11 | .63 | 1.6 | 4.4 | 26 | 31 | 39 | 35 | 47 | 46 | 9.9 | 2.3 | 7.9 |
12 | 1.2 | 1.8 | 4.4 | 22 | 49 | 31 | 29 | 40 | 38 | 8.6 | 1.3 | 5.8 |
13 | 8.7 | 1.7 | 2.7 | 16 | 37 | 26 | 25 | 34 | 23 | 7.1 | .95 | 4.4 |
14 | 5.5 | 1.4 | 1.6 | 12 | 29 | 22 | 25 | 28 | 17 | 4.9 | 2.0 | 11 |
15 | 2.0 | 1.7 | 1.2 | 10 | 24 | 20 | 26 | 22 | 10 | 3.9 | 2.0 | 16 |
16 | 1.4 | 1.4 | 1.1 | e9.4 | 20 | 18 | 63 | 17 | 7.1 | 2.9 | 1.1 | 10 |
17 | 1.2 | 1.5 | 1.3 | 8.4 | 24 | 29 | 40 | 11 | 6.9 | 4.7 | .92 | 7.5 |
18 | 2.2 | 1.6 | 1.9 | 6.4 | 24 | 88 | 29 | 7.9 | 8.5 | 3.7 | .99 | 5.8 |
19 | 1.8 | 1.6 | 1.5 | e5.6 | 21 | 82 | 21 | 7.2 | 11 | 7.2 | 2.0 | 4.7 |
20 | 1.3 | 3.1 | 1.2 | e5.4 | 19 | 57 | 26 | 8.4 | 8.5 | 4.7 | 1.1 | 3.5 |
21 | .93 | 2.7 | 1.1 | 5.5 | 16 | 45 | 44 | 7.9 | 7.1 | 4.4 | .75 | 2.7 |
22 | 1.0 | 1.9 | 1.1 | 6.2 | 15 | 39 | 35 | 7.3 | 4.5 | 3.8 | .57 | 2.0 |
23 | .89 | 1.7 | 3.4 | 8.1 | 13 | 33 | 28 | 6.8 | 3.3 | 2.5 | .47 | 1.7 |
24 | 1.0 | 1.5 | 4.3 | 6.4 | 13 | 26 | 23 | 14 | 2.8 | 2.0 | 2.6 | 1.7 |
25 | .74 | 1.4 | 3.2 | 5.0 | 12 | 22 | 19 | 6.3 | 3.4 | 1.5 | 27 | 2.7 |
26 | 5.8 | 1.4 | 5.2 | 5.9 | 12 | 20 | 22 | 6.6 | 29 | 1.5 | 12 | 2.5 |
27 | 22 | 2.2 | 4.3 | 6.6 | 15 | 15 | 23 | 6.0 | 14 | 2.5 | 8.3 | 1.6 |
28 | 9.0 | 5.2 | 2.5 | 5.4 | 14 | 18 | 17 | 7.7 | 14 | 1.4 | 12 | 1.3 |
29 | 3.3 | 5.3 | 1.7 | 7.7 | --- | 15 | 21 | 7.7 | 10 | 1.0 | 7.3 | 1.5 |
30 | 2.6 | 6.8 | 1.5 | 9.4 | --- | 13 | 19 | 6.6 | 7.8 | 1.3 | 4.4 | 6.9 |
31 | 2.4 | --- | 1.2 | 11 | --- | 46 | --- | 5.8 | --- | .78 | 3.1 | --- |
TOTAL | 80.58 | 59.76 | 67.9 | 552.0 | 624 | 927.7 | 990 | 840.2 | 324.8 | 485.98 | 177.32 | 195.62 |
MEAN | 2.60 | 1.99 | 2.19 | 17.8 | 22.3 | 29.9 | 33.0 | 27.1 | 10.8 | 15.7 | 5.72 | 6.52 |
MAX | 22 | 6.8 | 5.2 | 60 | 49 | 88 | 65 | 171 | 46 | 147 | 27 | 38 |
MIN | .11 | .87 | 1.0 | 2.1 | 12 | 9.7 | 17 | 5.8 | 2.1 | .78 | .38 | .67 |
CFSM | .14 | .11 | .12 | .98 | 1.23 | 1.65 | 1.82 | 1.50 | .60 | .87 | .32 | .36 |
IN. | .17 | .12 | .14 | 1.13 | 1.28 | 1.91 | 2.03 | 1.73 | .67 | 1.00 | .36 | .40 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 7.99 | 16.2 | 14.2 | 14.5 | 19.1 | 23.6 | 24.2 | 20.1 | 17.3 | 13.9 | 13.1 | 7.86 |
MAX | 21.0 | 36.0 | 40.5 | 36.9 | 57.6 | 44.4 | 62.9 | 46.1 | 48.3 | 80.8 | 82.1 | 29.1 |
(WY) | 1987 | 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 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1986 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 4448.07 | 5325.86 | ||||
ANNUAL MEAN | 12.2 | 14.6 | 16.3 | |||
HIGHEST ANNUAL MEAN | 24.0 | 1993 | ||||
LOWEST ANNUAL MEAN | 9.33 | 1989 | ||||
HIGHEST DAILY MEAN | 432 | Feb 21 | 171 | May 8 | 1210 | Jul 18 1996 |
LOWEST DAILY MEAN | .10 | Sep 8,13-15 | .11 | Oct 8 | .04 | Sep 9 1988 |
ANNUAL SEVEN-DAY MINIMUM | .12 | Sep 8 | .40 | Oct 2 | .12 | Sep 8 1997 |
INSTANTANEOUS PEAK FLOW | 238 | May 7 | 1980 | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 6.27 | May 7 | 9.24 | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | .10 | Oct 7,8 | .02 | A | ||
ANNUAL RUNOFF (CFSM) | .67 | .81 | .90 | |||
ANNUAL RUNOFF (INCHES) | 9.14 | 10.95 | 12.27 | |||
10 PERCENT EXCEEDS | 24 | 38 | 37 | |||
50 PERCENT EXCEEDS | 5.2 | 7.1 | 7.9 | |||
90 PERCENT EXCEEDS | .54 | 1.1 | 1.4 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |