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 | .67 | 1.6 | 8.0 | 8.7 | 14 | 14 | 64 | 23 | 2.4 | 15 | 1.1 | .84 |
2 | .64 | 1.4 | 6.2 | 39 | 33 | 14 | 46 | 23 | 2.0 | 14 | 1.1 | .85 |
3 | .63 | 1.3 | 9.2 | 20 | 23 | 14 | 34 | 24 | 1.8 | 30 | 1.0 | .97 |
4 | .55 | 1.2 | 7.2 | 52 | 17 | 13 | 27 | 23 | 1.5 | 31 | e9.6 | .86 |
5 | .61 | 1.2 | 5.1 | 48 | 11 | 12 | 23 | 22 | 2.9 | 15 | e9.0 | .75 |
6 | .68 | 11 | 3.7 | 46 | 9.1 | 12 | 21 | 22 | 2.0 | 13 | e2.9 | .75 |
7 | .75 | 4.4 | 3.1 | 59 | 8.8 | 12 | 30 | 70 | 1.6 | 14 | e20 | 24 |
8 | .75 | 3.2 | 2.7 | 36 | 7.6 | 83 | 101 | 53 | 1.5 | 12 | e15 | 3.4 |
9 | .95 | 2.4 | 2.8 | 47 | 7.7 | 67 | 97 | 27 | 2.5 | 12 | e3.0 | 1.7 |
10 | e1.5 | 1.9 | 23 | 22 | 7.5 | 39 | 52 | 18 | 2.7 | 11 | e1.5 | 1.2 |
11 | e.62 | 1.8 | 21 | 11 | 59 | 26 | 34 | 14 | 16 | 10 | e.84 | .88 |
12 | e.60 | 1.5 | 10 | 7.1 | 60 | 20 | 27 | 16 | 11 | 9.9 | e.90 | .84 |
13 | e5.0 | 1.3 | 6.4 | e6.4 | 31 | 17 | 25 | 41 | 11 | 9.2 | e.86 | .76 |
14 | e4.0 | 1.4 | 4.1 | e5.8 | 21 | 16 | e22 | 20 | 5.8 | 5.5 | e.86 | 5.7 |
15 | e1.5 | 4.1 | 3.7 | e5.4 | 17 | 15 | e20 | 15 | 4.5 | 2.9 | e.86 | 21 |
16 | 1.0 | 4.8 | 5.0 | e5.0 | 18 | 16 | e80 | 14 | 3.6 | 2.4 | e.84 | 11 |
17 | .94 | 4.3 | 4.4 | e4.5 | 33 | 42 | 58 | 12 | 2.9 | 2.1 | e.82 | 9.4 |
18 | .84 | 3.2 | 3.8 | e4.2 | 42 | 136 | 33 | 11 | 7.4 | 2.0 | e.80 | 4.3 |
19 | .78 | 3.5 | 3.1 | e3.9 | 26 | 77 | 26 | 19 | 20 | 3.4 | e.86 | 1.7 |
20 | .75 | 3.7 | 2.7 | 3.7 | 21 | 44 | 29 | 12 | 9.5 | 2.6 | e.84 | 14 |
21 | .75 | 8.9 | 2.6 | 3.7 | 17 | 32 | 35 | 10 | 5.0 | 3.0 | e.80 | 8.3 |
22 | .75 | 8.3 | 3.2 | 4.0 | 15 | 27 | 28 | 8.7 | 3.4 | 1.9 | e.84 | 3.4 |
23 | .75 | 7.0 | 3.1 | 4.6 | 16 | 25 | 25 | 7.8 | 2.8 | 1.4 | e.80 | 2.1 |
24 | .90 | 3.8 | 3.0 | 3.8 | 16 | 22 | 22 | 12 | 2.4 | 1.3 | e.80 | 2.0 |
25 | 1.5 | 3.7 | 9.8 | 3.6 | 15 | 22 | 22 | 7.1 | 17 | 1.3 | e15 | 1.5 |
26 | 9.7 | 5.1 | 6.8 | 3.8 | 14 | 22 | 41 | 5.6 | 162 | 1.3 | e3.0 | 1.3 |
27 | 23 | 6.3 | 4.1 | 4.1 | 18 | 21 | 33 | 4.5 | 65 | 1.3 | e1.5 | .96 |
28 | 5.4 | 8.0 | 3.8 | 4.3 | 15 | 22 | 24 | 3.6 | 78 | 1.2 | e9.0 | .85 |
29 | 4.2 | 9.5 | 3.0 | 6.2 | --- | 20 | 25 | 7.8 | 34 | 1.2 | e3.5 | 1.2 |
30 | 2.6 | 11 | 2.5 | 5.9 | --- | 21 | 23 | 5.2 | 19 | 1.2 | e1.8 | 1.7 |
31 | 2.2 | --- | 2.3 | 6.2 | --- | 69 | --- | 3.1 | --- | 1.1 | e.79 | --- |
TOTAL | 75.51 | 130.8 | 179.4 | 484.9 | 592.7 | 992 | 1127 | 554.4 | 501.2 | 233.2 | 110.51 | 128.21 |
MEAN | 2.44 | 4.36 | 5.79 | 15.6 | 21.2 | 32.0 | 37.6 | 17.9 | 16.7 | 7.52 | 3.56 | 4.27 |
MAX | 23 | 11 | 23 | 59 | 60 | 136 | 101 | 70 | 162 | 31 | 20 | 24 |
MIN | .55 | 1.2 | 2.3 | 3.6 | 7.5 | 12 | 20 | 3.1 | 1.5 | 1.1 | .79 | .75 |
CFSM | .19 | .34 | .45 | 1.20 | 1.63 | 2.46 | 2.89 | 1.38 | 1.29 | .58 | .27 | .33 |
IN. | .22 | .37 | .51 | 1.39 | 1.70 | 2.84 | 3.22 | 1.59 | 1.43 | .67 | .32 | .37 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 6.93 | 10.6 | 11.3 | 9.53 | 13.2 | 23.2 | 24.5 | 14.8 | 12.0 | 8.17 | 7.22 | 7.82 |
MAX | 30.0 | 44.5 | 53.7 | 42.4 | 35.5 | 82.3 | 56.9 | 54.3 | 41.6 | 33.3 | 41.7 | 61.7 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1997 | 1979 | 1983 | 1996 | 1996 | 1993 | 1972 | 1986 |
MIN | .83 | 1.38 | 1.20 | .29 | 1.08 | 4.01 | 5.95 | 2.26 | .91 | 1.29 | 1.26 | 1.12 |
(WY) | 1957 | 1954 | 1959 | 1959 | 1963 | 1956 | 1986 | 1988 | 1988 | 1991 | 1955 | 1979 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1952 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 3383.43 | 5109.83 | ||||
ANNUAL MEAN | 9.27 | 14.0 | 12.4 | |||
HIGHEST ANNUAL MEAN | 22.2 | 1974 | ||||
LOWEST ANNUAL MEAN | 3.54 | 1963 | ||||
HIGHEST DAILY MEAN | 369 | Feb 21 | 162 | Jun 26 | 444 | Sep 27 1986 |
LOWEST DAILY MEAN | .55 | Oct 4 | .55 | Oct 4 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .64 | Sep 30 | .65 | Oct 1 | .00 | Jan 3 1959 |
INSTANTANEOUS PEAK FLOW | 246 | Jun 26 | 496 B | Feb 21 1997 | ||
INSTANTANEOUS PEAK STAGE | 5.12 | Jun 26 | 8.35 | Jul 22 1982 | ||
INSTANTANEOUS LOW FLOW | .48 | Oct 3 | ||||
ANNUAL RUNOFF (CFSM) | .71 | 1.08 | .96 | |||
ANNUAL RUNOFF (INCHES) | 9.68 | 14.62 | 12.98 | |||
10 PERCENT EXCEEDS | 20 | 33 | 28 | |||
50 PERCENT EXCEEDS | 4.1 | 6.4 | 5.2 | |||
90 PERCENT EXCEEDS | .95 | .86 | 1.4 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |