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 | 2.2 | 3.3 | 2.4 | e.90 | 12 | 5.1 | 1.7 | 9.6 | 43 | 20 | .08 | .08 |
2 | 13 | 2.6 | 1.8 | e.88 | 29 | 6.7 | 1.6 | 7.6 | 64 | 2.6 | .09 | .06 |
3 | 8.3 | 2.2 | 1.7 | e.88 | 17 | 5.2 | 1.4 | 5.2 | 13 | 1.4 | .07 | .41 |
4 | 4.1 | 2.6 | 1.7 | e.88 | 13 | 3.8 | 3.2 | 4.0 | 6.3 | 1.0 | .07 | .16 |
5 | 27 | 1.8 | 1.6 | e.89 | 9.1 | 4.2 | 1.2 | 3.6 | 3.9 | .96 | .08 | .07 |
6 | 13 | 1.4 | 43 | e.92 | 8.3 | 8.9 | 1.9 | 11 | 5.1 | .83 | .09 | .08 |
7 | 6.2 | 1.4 | 30 | e.84 | 7.0 | 6.6 | 1.2 | 5.5 | 3.5 | .25 | .81 | .05 |
8 | 4.0 | 1.5 | 10 | e.84 | 6.5 | 5.5 | 16 | 3.7 | 1.8 | .21 | .47 | .05 |
9 | 3.3 | 4.0 | 6.1 | e.92 | 5.8 | 6.5 | 70 | 2.7 | 1.7 | 1.0 | .08 | .07 |
10 | 2.6 | 86 | 4.4 | e.90 | 5.2 | 7.4 | 17 | 2.2 | 1.4 | .71 | .03 | .08 |
11 | 1.7 | 20 | 3.4 | e.89 | 15 | 7.0 | 13 | 23 | 20 | .18 | .15 | .09 |
12 | 1.7 | 9.7 | 2.6 | e.88 | 8.7 | 8.1 | 8.0 | 119 | 8.3 | .06 | 4.2 | .37 |
13 | 1.6 | 6.4 | 2.1 | e.84 | 5.6 | 7.7 | 6.0 | 20 | 84 | .07 | 1.1 | .74 |
14 | 1.5 | 4.8 | e1.5 | e.84 | 4.4 | 7.9 | 4.3 | 9.1 | 20 | .10 | .91 | .06 |
15 | 1.5 | 3.4 | e1.4 | e.86 | 4.3 | 10 | 41 | 6.0 | 6.6 | .13 | .23 | .05 |
16 | 1.5 | 2.8 | e1.2 | e1.5 | 4.2 | 17 | 130 | 3.6 | 4.0 | .15 | .11 | .05 |
17 | 153 | 2.2 | e1.2 | e3.0 | 3.7 | 27 | 35 | 31 | 2.5 | 5.6 | .07 | .09 |
18 | 167 | 2.0 | e1.2 | 3.8 | 3.5 | 15 | 17 | 12 | 1.4 | 1.4 | .08 | .10 |
19 | 31 | 1.9 | e1.1 | 2.9 | 3.0 | 8.9 | 11 | 5.7 | 1.0 | 1.6 | 13 | .24 |
20 | 12 | 1.8 | e1.0 | 2.7 | 2.8 | 6.9 | 9.7 | 4.0 | .98 | 1.3 | 1.5 | .48 |
21 | 7.5 | 1.7 | e1.0 | e50 | 2.7 | 5.7 | 8.0 | 32 | .95 | 8.1 | .98 | .66 |
22 | 5.5 | 1.7 | e1.0 | 195 | 2.6 | 4.6 | 56 | 80 | 2.8 | 2.8 | .63 | .75 |
23 | 4.1 | 1.8 | e.96 | 218 | 2.3 | 4.1 | 168 | 34 | 1.9 | 1.1 | 4.0 | .49 |
24 | 3.1 | 1.6 | e.95 | e70 | 2.3 | 4.1 | 30 | 15 | 7.1 | 1.4 | 19 | .63 |
25 | 2.9 | 1.8 | e.96 | e36 | 3.3 | 5.1 | 14 | 7.8 | 1.2 | .84 | 31 | .85 |
26 | 2.4 | 1.7 | e.95 | 19 | 6.3 | 3.9 | 10 | 5.2 | 1.1 | .44 | 5.6 | .80 |
27 | 12 | 1.4 | e.95 | 30 | 10 | 2.7 | 105 | 4.0 | 4.9 | .39 | 2.3 | 3.6 |
28 | 6.1 | 1.4 | e.96 | 26 | 6.2 | 2.3 | 99 | 2.5 | 1.2 | .23 | .98 | 50 |
29 | 6.4 | 1.5 | e.97 | 15 | --- | 2.0 | 24 | 1.6 | 1.4 | .26 | .78 | 20 |
30 | 6.9 | 11 | e.94 | 12 | --- | 1.8 | 13 | 1.1 | 1.2 | .14 | .26 | 4.1 |
31 | 4.4 | --- | e.92 | 9.8 | --- | 1.7 | --- | 1.6 | --- | .07 | .14 | --- |
TOTAL | 517.5 | 187.4 | 129.96 | 707.86 | 203.8 | 213.4 | 917.2 | 473.3 | 316.23 | 55.32 | 88.89 | 85.26 |
MEAN | 16.7 | 6.25 | 4.19 | 22.8 | 7.28 | 6.88 | 30.6 | 15.3 | 10.5 | 1.78 | 2.87 | 2.84 |
MAX | 167 | 86 | 43 | 218 | 29 | 27 | 168 | 119 | 84 | 20 | 31 | 50 |
MIN | 1.5 | 1.4 | .92 | .84 | 2.3 | 1.7 | 1.2 | 1.1 | .95 | .06 | .03 | .05 |
CFSM | 1.50 | .56 | .38 | 2.06 | .66 | .62 | 2.75 | 1.38 | .95 | .16 | .26 | .26 |
IN. | 1.73 | .63 | .44 | 2.37 | .68 | .72 | 3.07 | 1.59 | 1.06 | .19 | .30 | .29 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1999, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 6.24 | 10.6 | 5.45 | 9.47 | 10.1 | 11.9 | 13.3 | 12.9 | 9.68 | 7.16 | 6.41 | 5.48 |
MAX | 17.7 | 24.8 | 15.1 | 22.8 | 43.2 | 25.1 | 30.6 | 37.7 | 27.6 | 28.9 | 15.5 | 12.2 |
(WY) | 1992 | 1991 | 1993 | 1999 | 1997 | 1990 | 1999 | 1990 | 1993 | 1996 | 1997 | 1992 |
MIN | 1.58 | 2.03 | .66 | 1.79 | 1.35 | 4.11 | 3.56 | .67 | .50 | .67 | .97 | .046 |
(WY) | 1990 | 1998 | 1990 | 1994 | 1989 | 1996 | 1994 | 1994 | 1992 | 1991 | 1991 | 1995 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1989 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 4393.51 | 3896.12 | ||||
ANNUAL MEAN | 12.0 | 10.7 | 9.04 | |||
HIGHEST ANNUAL MEAN | 12.4 | 1993 | ||||
LOWEST ANNUAL MEAN | 4.79 | 1994 | ||||
HIGHEST DAILY MEAN | 288 | May 7 | 218 | Jan 23 | 638 | Feb 21 1997 |
LOWEST DAILY MEAN | .30 | Aug 1 | .03 | Aug 10 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .63 | Jul 27 | .07 | Sep 5 | .00 | Aug 19 1992 |
INSTANTANEOUS PEAK FLOW | 491 | Oct 17 | 1280 | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 8.83 | Oct 17 | 12.89 | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | .00 | B | ||||
ANNUAL RUNOFF (CFSM) | 1.08 | .96 | .81 | |||
ANNUAL RUNOFF (INCHES) | 14.72 | 13.06 | 11.06 | |||
10 PERCENT EXCEEDS | 27 | 23 | 19 | |||
50 PERCENT EXCEEDS | 4.3 | 2.7 | 3.0 | |||
90 PERCENT EXCEEDS | 1.0 | .20 | .27 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |