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 | .60 | 1.3 | 8.8 | 3.5 | 13 | 5.8 | 90 | 23 | 2.0 | 4.3 | .40 | 1.4 |
2 | .55 | 1.8 | 5.4 | 3.6 | 44 | 5.2 | 48 | 11 | 1.4 | 2.9 | .39 | .93 |
3 | .51 | 1.4 | 3.8 | 7.4 | 19 | 5.0 | 17 | 8.6 | 2.1 | 2.5 | .47 | 1.8 |
4 | .64 | 1.7 | 3.3 | 140 | 14 | 7.3 | 11 | 10 | 3.5 | 24 | 93 | 2.4 |
5 | 1.7 | 1.4 | 2.7 | 112 | 9.3 | 6.9 | 7.9 | 8.0 | 2.6 | 8.3 | 73 | 1.5 |
6 | 1.4 | 2.4 | 2.1 | 99 | 7.5 | 7.1 | 6.6 | 11 | 2.5 | 4.3 | 13 | 1.1 |
7 | 1.7 | 3.3 | 1.7 | 35 | 8.2 | 5.9 | 6.3 | 473 | 1.9 | 23 | 69 | 165 |
8 | 1.3 | 2.4 | 1.4 | 93 | 6.1 | 68 | 44 | 269 | 1.5 | 12 | 99 | 25 |
9 | 3.1 | 1.8 | 1.3 | 96 | 5.7 | 145 | 33 | 53 | 10 | 6.0 | 16 | 7.9 |
10 | 4.2 | 1.3 | 2.6 | 31 | 5.7 | 60 | 14 | 19 | 8.0 | 3.8 | 7.4 | 4.5 |
11 | 2.6 | 1.4 | 11 | e15 | 89 | 27 | 9.4 | 12 | 87 | 2.9 | 5.2 | 3.7 |
12 | 1.7 | 1.4 | 8.9 | e9.2 | 63 | 18 | 7.4 | 9.4 | 41 | 2.2 | 3.3 | 2.6 |
13 | 2.7 | 1.4 | 6.2 | e7.0 | 20 | 12 | 7.0 | 7.9 | 9.2 | 1.7 | 2.5 | 2.3 |
14 | 5.6 | 1.4 | 5.3 | e6.0 | 12 | 12 | 19 | 6.6 | 5.3 | 1.5 | 2.1 | 2.2 |
15 | 2.7 | 1.8 | 3.5 | e5.6 | 9.3 | 12 | 10 | 5.0 | 4.5 | 1.4 | 1.8 | 2.9 |
16 | 1.6 | 5.8 | 3.9 | e4.3 | 9.2 | 12 | 8.3 | 4.1 | 3.8 | 1.2 | 1.8 | 3.5 |
17 | 1.1 | 3.8 | 6.1 | e3.8 | 61 | 91 | 7.0 | 3.7 | 3.6 | 1.1 | 1.6 | 2.7 |
18 | .87 | 2.7 | 5.4 | e3.5 | 82 | 312 | 5.8 | 3.2 | 2.8 | .94 | 1.3 | 2.0 |
19 | .45 | 1.9 | 5.3 | e3.3 | 28 | 107 | 5.1 | 2.7 | 15 | 4.8 | 1.2 | 1.5 |
20 | .38 | 1.7 | 5.1 | e3.0 | 17 | 33 | 14 | 2.6 | 6.7 | 4.6 | .98 | 1.3 |
21 | .35 | 1.9 | 4.2 | e2.8 | 12 | 17 | 139 | 2.4 | 3.8 | 3.0 | .93 | 1.4 |
22 | .29 | 1.5 | 5.9 | e3.0 | 9.5 | 12 | 48 | 2.1 | 2.9 | 4.0 | 2.4 | .86 |
23 | .22 | 1.0 | 12 | e3.2 | 7.9 | 9.2 | 15 | 2.1 | 2.1 | 3.4 | 1.8 | .65 |
24 | .25 | .79 | 9.5 | e3.4 | 9.7 | 7.6 | 9.7 | 6.3 | 2.1 | 1.9 | 5.3 | .52 |
25 | .52 | .71 | 33 | e2.9 | 8.4 | 6.4 | 7.7 | 5.0 | 1.6 | 1.3 | 9.7 | .52 |
26 | .84 | .78 | 18 | 2.7 | 7.0 | 6.0 | 9.8 | 3.2 | 141 | .91 | 4.3 | .57 |
27 | 54 | .84 | 10 | 2.7 | 7.1 | 5.5 | 15 | 2.6 | 31 | .79 | 2.5 | .47 |
28 | 8.7 | 8.5 | 8.5 | 3.1 | 6.4 | 11 | 8.5 | 2.1 | 17 | .65 | 4.4 | .53 |
29 | 3.4 | 16 | 5.2 | 5.6 | --- | 10 | 36 | 3.7 | 10 | .56 | 4.5 | .64 |
30 | 1.9 | 13 | 4.6 | 7.5 | --- | 7.2 | 29 | 3.0 | 7.4 | .47 | 2.6 | 2.6 |
31 | 1.3 | --- | 4.5 | 7.5 | --- | 54 | --- | 2.2 | --- | .44 | 1.7 | --- |
TOTAL | 107.17 | 87.12 | 209.2 | 725.6 | 591.0 | 1098.1 | 688.5 | 977.5 | 433.3 | 130.86 | 433.57 | 244.99 |
MEAN | 3.46 | 2.90 | 6.75 | 23.4 | 21.1 | 35.4 | 23.0 | 31.5 | 14.4 | 4.22 | 14.0 | 8.17 |
MAX | 54 | 16 | 33 | 140 | 89 | 312 | 139 | 473 | 141 | 24 | 99 | 165 |
MIN | .22 | .71 | 1.3 | 2.7 | 5.7 | 5.0 | 5.1 | 2.1 | 1.4 | .44 | .39 | .47 |
CFSM | .31 | .26 | .60 | 2.09 | 1.88 | 3.16 | 2.05 | 2.82 | 1.29 | .38 | 1.25 | .73 |
IN. | .36 | .29 | .69 | 2.41 | 1.96 | 3.65 | 2.29 | 3.25 | 1.44 | .43 | 1.44 | .81 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1998, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 6.26 | 9.46 | 10.2 | 10.5 | 13.3 | 21.7 | 21.1 | 14.5 | 10.3 | 6.37 | 4.86 | 5.32 |
MAX | 87.0 | 46.2 | 57.7 | 38.2 | 69.8 | 90.2 | 50.7 | 43.5 | 50.2 | 58.5 | 28.3 | 38.2 |
(WY) | 1955 | 1991 | 1983 | 1995 | 1997 | 1979 | 1970 | 1991 | 1993 | 1996 | 1987 | 1993 |
MIN | .000 | .17 | .15 | .062 | .19 | 2.24 | 1.52 | 1.79 | .67 | .15 | .003 | .000 |
(WY) | 1953 | 1954 | 1964 | 1977 | 1963 | 1981 | 1963 | 1963 | 1965 | 1956 | 1964 | 1953 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1951 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 4818.05 | 5726.91 | ||||
ANNUAL MEAN | 13.2 | 15.7 | 11.1 | |||
HIGHEST ANNUAL MEAN | 22.7 | 1993 | ||||
LOWEST ANNUAL MEAN | 2.27 | 1963 | ||||
HIGHEST DAILY MEAN | 719 | Feb 21 | 473 | May 7 | 891 | Oct 10 1954 |
LOWEST DAILY MEAN | .22 | Oct 23 | .22 | Oct 23 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .35 | Oct 19 | .35 | Oct 19 | .00 | Oct 1 1952 |
INSTANTANEOUS PEAK FLOW | 604 | May 7 | 2010 B,C | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 7.58 | May 7 | 10.30 | Oct 10 1954 | ||
INSTANTANEOUS LOW FLOW | .15 | Oct 23 | ||||
ANNUAL RUNOFF (CFSM) | 1.18 | 1.40 | .99 | |||
ANNUAL RUNOFF (INCHES) | 16.00 | 19.02 | 13.49 | |||
10 PERCENT EXCEEDS | 21 | 34 | 24 | |||
50 PERCENT EXCEEDS | 4.2 | 4.5 | 2.6 | |||
90 PERCENT EXCEEDS | .79 | .94 | .16 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |