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 | .57 | 2.8 | 4.0 | 3.0 | 13 | 4.3 | 26 | 5.9 | 1.6 | 5.3 | .54 | 1.6 |
2 | .48 | 2.0 | 3.2 | 4.0 | 22 | 3.8 | 19 | 5.1 | 1.2 | 3.5 | .56 | 1.3 |
3 | .40 | 1.6 | 4.0 | 11 | 15 | 3.9 | 12 | 4.6 | 1.0 | 4.8 | .65 | 1.2 |
4 | .41 | 1.4 | 3.8 | 27 | 12 | 3.9 | 8.5 | 4.3 | .97 | 6.7 | 5.7 | 1.1 |
5 | .48 | 1.5 | 2.7 | 30 | 9.4 | 3.4 | 6.6 | 5.8 | 1.3 | 3.4 | 5.8 | 1.1 |
6 | .53 | 6.3 | 2.0 | 33 | 7.8 | 3.3 | 5.4 | 8.6 | 1.2 | 2.7 | 5.3 | 1.2 |
7 | .51 | 3.7 | 1.6 | 36 | 6.7 | 3.1 | 9.1 | 73 | 1.0 | 10 | 9.2 | 30 |
8 | .48 | 2.7 | 1.4 | 29 | 6.0 | 25 | 39 | 58 | .94 | 6.1 | 11 | 13 |
9 | 1.0 | 2.0 | 1.5 | 31 | 5.4 | 31 | 36 | 25 | 4.1 | 3.6 | 5.7 | 6.3 |
10 | .85 | 1.6 | 6.7 | 19 | 5.2 | 20 | 20 | 13 | 3.4 | 2.6 | 3.7 | 4.2 |
11 | .62 | 1.4 | 9.6 | 14 | 22 | 14 | 13 | 7.9 | 15 | 2.1 | 2.6 | 2.9 |
12 | .58 | 1.2 | 6.3 | 11 | 26 | 11 | 9.8 | 6.3 | 11 | 1.8 | 2.1 | 2.1 |
13 | 5.3 | 1.2 | 3.4 | e7.6 | 16 | 8.9 | 8.2 | 7.6 | 17 | 1.5 | 1.6 | 1.7 |
14 | 3.6 | 1.3 | 4.3 | e7.0 | 11 | 8.0 | 8.4 | 6.2 | 6.9 | 2.0 | 1.4 | 5.3 |
15 | 2.2 | 3.8 | 3.8 | e6.6 | 8.0 | 7.1 | 9.2 | 4.9 | 4.1 | 2.2 | 1.4 | 12 |
16 | 1.5 | 4.1 | 4.1 | 5.9 | 7.6 | 6.8 | 18 | 3.9 | 2.9 | 1.7 | 1.2 | 5.4 |
17 | 1.2 | 3.1 | 3.8 | 5.1 | 19 | 17 | 12 | 3.1 | 2.5 | 1.4 | 1.1 | 3.2 |
18 | 1.1 | 2.5 | 3.3 | e4.5 | 23 | 56 | 8.4 | 2.7 | 7.8 | 1.2 | .88 | 2.4 |
19 | .96 | 2.1 | 2.9 | e4.2 | 14 | 37 | 6.4 | 2.4 | 16 | 1.7 | .77 | 1.9 |
20 | .79 | 2.2 | 2.6 | 3.8 | 9.5 | 24 | 9.9 | 2.1 | 6.2 | 1.5 | .72 | 3.9 |
21 | .69 | 3.0 | 2.2 | 3.7 | 7.5 | 17 | 28 | 1.8 | 3.8 | 1.4 | .79 | 5.2 |
22 | .58 | 2.6 | 2.6 | 4.1 | 5.9 | 11 | 23 | 1.6 | 2.8 | 1.4 | 8.1 | 2.8 |
23 | .60 | 1.9 | 2.4 | 4.7 | 5.0 | 8.7 | 15 | 1.7 | 2.2 | 1.3 | 8.2 | 1.9 |
24 | 1.3 | 1.7 | 2.6 | 4.4 | 6.1 | 7.3 | 11 | 3.4 | 1.9 | 1.0 | 6.1 | 1.9 |
25 | 1.3 | 1.5 | 6.6 | 3.9 | 4.7 | 6.4 | 8.0 | 2.5 | 3.2 | .91 | 12 | 1.5 |
26 | 13 | 1.2 | 5.4 | 4.0 | 4.2 | 6.0 | 11 | 2.0 | 53 | .84 | 4.6 | 1.4 |
27 | 26 | 2.9 | 3.9 | 4.3 | 6.6 | 5.2 | 9.3 | 1.8 | 30 | .78 | 3.0 | 1.1 |
28 | 9.7 | 4.7 | 3.3 | 4.7 | 4.7 | 6.7 | 6.9 | 1.8 | 46 | .74 | 8.1 | .90 |
29 | 5.4 | 5.0 | 3.1 | e7.0 | --- | 5.5 | 8.0 | 2.5 | 21 | .65 | 4.4 | .93 |
30 | 3.8 | 5.5 | 2.9 | e7.2 | --- | 4.9 | 6.6 | 2.4 | 11 | .59 | 2.7 | 2.0 |
31 | 3.0 | --- | 2.4 | 7.5 | --- | 27 | --- | 2.1 | --- | .52 | 2.0 | --- |
TOTAL | 88.93 | 78.5 | 112.4 | 348.2 | 303.3 | 397.2 | 411.7 | 274.0 | 281.01 | 75.93 | 121.91 | 121.43 |
MEAN | 2.87 | 2.62 | 3.63 | 11.2 | 10.8 | 12.8 | 13.7 | 8.84 | 9.37 | 2.45 | 3.93 | 4.05 |
MAX | 26 | 6.3 | 9.6 | 36 | 26 | 56 | 39 | 73 | 53 | 10 | 12 | 30 |
MIN | .40 | 1.2 | 1.4 | 3.0 | 4.2 | 3.1 | 5.4 | 1.6 | .94 | .52 | .54 | .90 |
CFSM | .36 | .33 | .46 | 1.42 | 1.37 | 1.62 | 1.73 | 1.11 | 1.18 | .31 | .50 | .51 |
IN. | .42 | .37 | .53 | 1.63 | 1.42 | 1.86 | 1.93 | 1.29 | 1.32 | .36 | .57 | .57 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 3.40 | 5.25 | 4.99 | 4.28 | 6.15 | 10.2 | 11.7 | 7.61 | 7.00 | 4.72 | 4.99 | 3.85 |
MAX | 16.9 | 28.5 | 27.2 | 19.5 | 26.5 | 36.2 | 32.3 | 31.3 | 33.5 | 26.2 | 39.7 | 23.9 |
(WY) | 1955 | 1986 | 1983 | 1974 | 1997 | 1979 | 1983 | 1996 | 1970 | 1957 | 1987 | 1972 |
MIN | .000 | .000 | .000 | .000 | .000 | 1.58 | 2.05 | 1.46 | .50 | .019 | .000 | .000 |
(WY) | 1953 | 1954 | 1954 | 1954 | 1954 | 1956 | 1989 | 1988 | 1963 | 1953 | 1953 | 1953 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1952 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 2226.79 | 2614.51 | ||||
ANNUAL MEAN | 6.10 | 7.16 | 6.18 | |||
HIGHEST ANNUAL MEAN | 11.7 | 1972 | ||||
LOWEST ANNUAL MEAN | 1.17 | 1963 | ||||
HIGHEST DAILY MEAN | 222 | Feb 21 | 73 | May 7 | 476 | Aug 14 1987 |
LOWEST DAILY MEAN | .40 | Sep 15, Oct 3 | .40 | Oct 3 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .46 | Sep 9 | .47 | Oct 2 | .00 | Sep 12 1952 |
INSTANTANEOUS PEAK FLOW | 111 | May 7 | 806 | Aug 14 1987 | ||
INSTANTANEOUS PEAK STAGE | 3.83 | May 7 | 8.08 | Aug 14 1987 | ||
INSTANTANEOUS LOW FLOW | .33 | Oct 3,4,5 | ||||
ANNUAL RUNOFF (CFSM) | .77 | .90 | .78 | |||
ANNUAL RUNOFF (INCHES) | 10.45 | 12.26 | 10.58 | |||
10 PERCENT EXCEEDS | 10 | 17 | 14 | |||
50 PERCENT EXCEEDS | 2.9 | 4.0 | 2.2 | |||
90 PERCENT EXCEEDS | .88 | 1.0 | .01 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |