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 | .00 | .89 | 2.0 | 1.3 | 11 | 2.8 | 30 | 6.4 | 2.1 | 2.6 | .30 | 1.0 |
2 | .05 | .65 | 2.4 | 3.8 | 18 | 2.9 | 20 | 5.5 | 1.7 | 1.7 | .45 | 1.2 |
3 | .19 | 1.7 | 3.0 | 16 | 11 | 3.4 | 12 | 4.9 | 3.2 | 41 | 4.5 | 1.8 |
4 | .68 | 1.0 | 1.3 | 32 | 8.3 | 7.3 | 8.3 | 5.0 | 1.9 | 46 | 179 | .99 |
5 | .91 | .32 | .95 | 52 | 6.6 | 4.2 | 6.4 | 6.3 | 2.1 | 10 | 129 | .83 |
6 | .76 | 5.5 | .75 | 41 | 5.5 | 3.9 | 5.3 | 5.1 | 1.6 | 5.5 | 42 | 1.0 |
7 | .18 | 1.0 | .31 | 27 | 5.1 | 3.5 | 16 | 288 | 1.4 | 7.2 | 17 | 190 |
8 | .03 | .88 | .38 | 36 | 4.7 | 38 | 39 | 147 | 1.4 | 4.1 | 11 | 23 |
9 | 1.1 | .46 | .55 | 33 | 4.2 | 56 | 29 | 34 | 56 | 3.0 | 6.9 | 9.6 |
10 | .83 | .36 | 5.9 | 15 | 4.6 | 21 | 12 | 16 | 18 | 2.4 | 5.1 | 6.3 |
11 | .26 | .29 | 3.8 | 14 | 44 | 13 | 8.6 | 12 | 92 | 1.8 | 3.7 | 5.7 |
12 | .25 | .19 | 1.9 | e11 | 22 | 9.5 | 6.7 | 9.7 | 30 | 1.3 | 2.7 | 3.3 |
13 | 7.9 | .16 | 1.4 | e7.4 | 11 | 7.6 | 8.9 | 12 | 11 | 1.1 | 1.4 | 2.5 |
14 | .81 | .17 | 1.1 | e5.8 | 7.4 | 7.3 | 8.2 | 6.3 | 7.0 | 1.0 | 1.4 | 14 |
15 | .18 | 5.6 | 1.0 | e5.2 | 6.0 | 5.9 | 6.9 | 5.6 | 5.8 | .96 | 1.9 | 13 |
16 | .03 | 2.1 | 1.0 | e4.7 | 7.8 | 6.8 | 12 | 4.4 | 4.6 | .93 | 1.1 | 6.3 |
17 | .00 | 1.0 | .94 | e4.3 | 14 | 52 | 6.5 | 3.6 | 3.0 | .78 | 1.0 | 4.5 |
18 | .05 | .98 | .85 | e3.3 | 14 | 149 | 5.2 | 3.0 | 19 | .77 | 1.0 | 2.9 |
19 | .00 | .86 | .74 | e3.1 | 9.1 | 53 | 4.7 | 2.4 | 10 | 6.1 | .83 | 2.1 |
20 | .00 | .50 | .49 | e2.9 | 7.3 | 21 | 21 | 2.0 | 5.4 | 1.1 | .86 | 1.9 |
21 | .00 | .87 | .27 | e3.0 | 5.9 | 13 | 16 | 1.7 | 3.7 | 1.2 | .71 | 1.9 |
22 | .00 | .36 | 1.1 | e3.6 | 4.7 | 10 | 12 | 1.4 | 2.9 | 1.8 | .69 | 1.3 |
23 | .00 | .25 | .95 | e4.2 | 4.3 | 8.3 | 8.1 | 1.4 | 2.4 | .95 | .98 | 1.2 |
24 | .05 | .19 | 2.8 | 2.7 | 5.5 | 6.7 | 6.3 | 43 | 1.6 | .98 | 8.9 | 1.1 |
25 | .22 | .57 | 10 | 2.2 | 3.7 | 5.8 | 6.2 | 7.3 | 1.5 | 1.0 | 3.0 | 1.1 |
26 | 16 | .30 | 3.9 | 2.3 | 3.4 | 5.2 | 24 | 5.2 | 95 | .95 | 1.3 | 1.5 |
27 | 14 | 16 | 2.2 | 2.7 | 4.8 | 4.4 | 12 | 3.8 | 13 | .93 | 1.3 | 1.0 |
28 | 2.9 | 8.5 | 1.8 | 3.3 | 2.9 | 7.9 | 7.9 | 7.0 | 9.5 | .81 | 8.7 | .91 |
29 | 1.5 | 6.3 | 1.7 | 6.1 | --- | 4.6 | 17 | 4.5 | 6.0 | .65 | 2.0 | 1.5 |
30 | .96 | 2.9 | 1.3 | 4.3 | --- | 3.9 | 8.3 | 3.2 | 4.0 | .69 | 1.4 | 13 |
31 | .85 | --- | 1.1 | 5.2 | --- | 37 | --- | 1.9 | --- | .60 | 1.2 | --- |
TOTAL | 50.69 | 60.85 | 57.88 | 358.4 | 256.8 | 574.9 | 384.5 | 659.6 | 416.8 | 149.90 | 441.32 | 316.43 |
MEAN | 1.64 | 2.03 | 1.87 | 11.6 | 9.17 | 18.5 | 12.8 | 21.3 | 13.9 | 4.84 | 14.2 | 10.5 |
MAX | 16 | 16 | 10 | 52 | 44 | 149 | 39 | 288 | 95 | 46 | 179 | 190 |
MIN | .00 | .16 | .27 | 1.3 | 2.9 | 2.8 | 4.7 | 1.4 | 1.4 | .60 | .30 | .83 |
CFSM | .15 | .18 | .17 | 1.04 | .83 | 1.67 | 1.15 | 1.92 | 1.25 | .44 | 1.28 | .95 |
IN. | .17 | .20 | .19 | 1.20 | .86 | 1.93 | 1.29 | 2.21 | 1.40 | .50 | 1.48 | 1.06 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 5.20 | 11.0 | 5.58 | 8.14 | 10.4 | 12.4 | 11.5 | 12.6 | 9.59 | 7.70 | 6.77 | 5.74 |
MAX | 17.7 | 24.8 | 15.1 | 19.2 | 43.2 | 25.1 | 26.5 | 37.7 | 27.6 | 28.9 | 15.5 | 12.2 |
(WY) | 1992 | 1991 | 1993 | 1993 | 1997 | 1990 | 1991 | 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 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1989 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 2842.98 | 3728.07 | ||||
ANNUAL MEAN | 7.79 | 10.2 | 8.87 | |||
HIGHEST ANNUAL MEAN | 12.4 | 1993 | ||||
LOWEST ANNUAL MEAN | 4.79 | 1994 | ||||
HIGHEST DAILY MEAN | 638 | Feb 21 | 288 | May 7 | 638 | Feb 21 1997 |
LOWEST DAILY MEAN | .00 | A | .00 | A | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | .01 | Sep 9 | .01 | Oct 17 | .00 | Aug 19 1992 |
INSTANTANEOUS PEAK FLOW | 641 | Sep 7 | 1280 | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 9.72 | Sep 7 | 12.89 | Jul 18 1996 | ||
ANNUAL RUNOFF (CFSM) | .70 | .92 | .80 | |||
ANNUAL RUNOFF (INCHES) | 9.53 | 12.49 | 10.86 | |||
10 PERCENT EXCEEDS | 13 | 20 | 18 | |||
50 PERCENT EXCEEDS | 2.3 | 3.6 | 3.0 | |||
90 PERCENT EXCEEDS | .17 | .53 | .29 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |