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 | 4.4 | 1.3 | 2.1 | .73 | 5.3 | 6.1 | 1.8 | 3.5 | 25 | 6.0 | 3.4 | 1.3 |
2 | 1.8 | 6.0 | 1.1 | .67 | 5.8 | 13 | 1.9 | 3.4 | 12 | 4.1 | 3.4 | 1.4 |
3 | 1.3 | 11 | 1.1 | .69 | 3.9 | 4.2 | 1.7 | 2.8 | 5.0 | 1.6 | 2.9 | 1.9 |
4 | 1.2 | 2.5 | 1.0 | .77 | 3.4 | 5.2 | e1.6 | 1.8 | 8.9 | .62 | 2.8 | 1.1 |
5 | 21 | 1.3 | 1.1 | .77 | 3.3 | 8.1 | e1.8 | 2.7 | 3.2 | 1.6 | 2.8 | 1.3 |
6 | 6.7 | 1.2 | 2.3 | 1.2 | 3.1 | 4.6 | 2.8 | 3.3 | 3.8 | 4.1 | 2.6 | 1.2 |
7 | 5.6 | 1.2 | 4.4 | e.88 | 51 | 3.5 | 2.3 | 2.8 | 4.8 | 3.5 | 3.4 | 1.1 |
8 | 1.7 | 1.4 | 2.8 | e.82 | 7.4 | 3.5 | 12 | 2.6 | 3.6 | 2.4 | 7.2 | 1.4 |
9 | 1.2 | 8.0 | 1.4 | e.76 | 5.2 | 5.0 | 6.5 | 3.2 | 3.2 | 2.4 | 4.1 | 1.7 |
10 | 1.1 | 16 | 1.3 | e.70 | 4.3 | 5.9 | 12 | 2.7 | 2.6 | 1.9 | 3.8 | 2.0 |
11 | 1.0 | 3.6 | 1.2 | e.80 | 13 | 6.3 | 4.1 | 1.9 | 2.5 | 1.4 | 3.4 | 1.7 |
12 | 1.2 | 1.7 | .99 | e.90 | 4.3 | 3.7 | 2.1 | 1.7 | 23 | 3.0 | 27 | 1.9 |
13 | 1.1 | 1.5 | .99 | e.85 | 3.7 | .72 | 2.4 | 5.3 | 35 | 3.1 | 40 | 1.8 |
14 | 1.1 | 1.4 | 1.1 | e.83 | 3.5 | 2.9 | 2.5 | 4.4 | 6.6 | 3.8 | 4.5 | 1.1 |
15 | .89 | 1.3 | 1.2 | e.82 | 3.3 | 5.2 | 48 | 3.3 | 5.5 | 2.1 | 3.0 | 1.1 |
16 | .90 | 1.3 | 1.2 | 2.4 | 7.3 | 9.7 | 23 | 2.0 | 3.9 | 1.3 | 2.3 | 1.3 |
17 | 1.4 | 1.3 | 1.2 | 22 | 3.2 | 4.5 | 8.3 | 8.8 | 3.0 | 3.1 | 1.9 | 1.1 |
18 | 5.7 | 1.3 | 1.1 | 7.2 | 2.8 | 3.0 | 5.0 | 7.0 | 2.4 | 2.7 | e1.8 | 1.0 |
19 | 1.2 | 1.4 | 1.6 | 2.6 | 2.4 | 2.2 | 4.3 | 4.5 | 2.9 | 11 | 2.5 | 1.0 |
20 | 1.1 | 1.2 | 1.5 | 2.6 | 2.0 | .50 | 4.1 | 2.0 | 2.3 | 11 | 2.4 | .97 |
21 | 1.1 | 1.2 | .99 | 19 | 1.7 | .50 | 14 | 17 | 2.2 | 2.9 | 2.2 | .95 |
22 | 1.0 | 1.2 | .60 | 35 | 1.7 | 1.9 | 3.6 | 11 | 2.6 | 3.5 | 2.1 | .95 |
23 | .99 | 1.2 | e.65 | 26 | 2.0 | 2.4 | 4.4 | 7.1 | 2.1 | 7.2 | 3.0 | .96 |
24 | .98 | 1.2 | e.70 | 7.2 | 1.8 | 3.0 | 3.6 | 5.5 | 8.2 | 5.2 | 11 | .94 |
25 | 1.0 | 1.3 | .71 | 5.9 | 4.2 | 2.3 | 3.6 | 3.9 | 2.6 | 3.7 | 3.9 | .94 |
26 | 1.1 | .41 | .66 | 4.9 | 2.3 | 1.9 | 3.8 | 3.3 | 7.9 | 4.0 | 1.8 | .85 |
27 | 3.2 | .43 | .66 | 5.4 | 3.9 | 1.7 | 4.3 | 2.2 | 3.6 | 21 | 1.9 | .86 |
28 | 5.0 | .46 | 1.1 | 5.0 | 2.0 | 1.8 | 3.6 | 2.6 | 5.9 | 21 | 1.9 | 31 |
29 | 8.5 | 3.5 | .75 | 4.6 | --- | 1.7 | 1.5 | 1.8 | 3.8 | 3.9 | 1.4 | 10 |
30 | 6.5 | 3.3 | .69 | 3.1 | --- | 1.7 | 1.3 | .72 | 2.5 | 3.5 | 1.5 | 4.4 |
31 | 1.7 | --- | .82 | 22 | --- | 1.7 | --- | .70 | --- | 3.3 | 1.5 | --- |
TOTAL | 92.66 | 80.10 | 39.01 | 187.09 | 157.8 | 118.42 | 191.9 | 125.52 | 200.6 | 149.92 | 157.4 | 79.22 |
MEAN | 2.99 | 2.67 | 1.26 | 6.04 | 5.64 | 3.82 | 6.40 | 4.05 | 6.69 | 4.84 | 5.08 | 2.64 |
MAX | 21 | 16 | 4.4 | 35 | 51 | 13 | 48 | 17 | 35 | 21 | 40 | 31 |
MIN | .89 | .41 | .60 | .67 | 1.7 | .50 | 1.3 | .70 | 2.1 | .62 | 1.4 | .85 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1949 - 1999, BY WATER YEAR (WY) | ||||||||||||
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MEAN | 3.19 | 3.46 | 3.57 | 3.58 | 4.00 | 5.01 | 6.18 | 5.94 | 5.12 | 5.39 | 4.44 | 3.62 |
MAX | 10.8 | 11.7 | 11.5 | 18.6 | 13.9 | 10.9 | 18.3 | 15.2 | 15.6 | 14.6 | 12.1 | 9.97 |
(WY) | 1956 | 1986 | 1967 | 1950 | 1982 | 1982 | 1964 | 1990 | 1983 | 1992 | 1993 | 1972 |
MIN | 1.25 | 1.08 | .95 | .60 | 1.11 | .94 | 1.43 | 1.85 | 1.15 | 1.47 | 1.11 | .84 |
(WY) | 1965 | 1972 | 1990 | 1981 | 1995 | 1981 | 1971 | 1972 | 1988 | 1994 | 1986 | 1983 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1949 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 1919.05 | 1579.64 | ||||
ANNUAL MEAN | 5.26 | 4.33 | 4.46 | |||
HIGHEST ANNUAL MEAN | 6.96 | 1950 | ||||
LOWEST ANNUAL MEAN | 3.00 | 1954 | ||||
HIGHEST DAILY MEAN | 90 | May 3 | 51 | Feb 7 | 241 | Jun 19 1983 |
LOWEST DAILY MEAN | .41 | Nov 26 | .41 | Nov 26 | .03 | Feb 12 1981 |
ANNUAL SEVEN-DAY MINIMUM | .71 | Dec 21 | .71 | Dec 21 | .05 | Feb 6 1981 |
INSTANTANEOUS PEAK FLOW | 342 | Aug 13 | 946 A | Aug 12 1993 | ||
INSTANTANEOUS PEAK STAGE | 3.57 | Aug 13 | 9.93 B | Aug 12 1993 | ||
INSTANTANEOUS LOW FLOW | .39 | Nov 26 | ||||
10 PERCENT EXCEEDS | 13 | 8.2 | 9.0 | |||
50 PERCENT EXCEEDS | 2.2 | 2.5 | 2.1 | |||
90 PERCENT EXCEEDS | 1.0 | .92 | 1.0 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |