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 | 6.3 | 2.3 | 6.0 | e.65 | 22 | 8.1 | 4.4 | 42 | 109 | 16 | .30 | .61 |
2 | 3.4 | 1.7 | 1.6 | e.60 | 38 | 8.4 | 3.6 | 31 | 261 | 5.6 | .52 | .36 |
3 | 12 | 1.2 | 1.3 | e.96 | 33 | 15 | 3.5 | 23 | 85 | 3.1 | .30 | .26 |
4 | 4.0 | .95 | 1.1 | e.93 | 24 | 9.3 | 9.7 | 17 | 43 | 2.3 | .30 | .19 |
5 | 1.9 | 3.7 | 1.1 | e.90 | 17 | 11 | 5.0 | 13 | 23 | 2.3 | .25 | .18 |
6 | 7.5 | 2.7 | 47 | e.87 | 15 | 29 | 9.6 | 22 | 13 | 1.9 | .20 | .21 |
7 | 4.6 | 1.3 | 70 | e.85 | 13 | 21 | 5.4 | 14 | 8.3 | 3.8 | .16 | .37 |
8 | 2.4 | 1.2 | 18 | e.83 | 11 | 15 | 6.5 | 10 | 5.8 | 3.5 | .72 | .34 |
9 | 1.2 | 1.9 | 8.7 | e.81 | 10 | 14 | 71 | 8.0 | 6.2 | 2.1 | .50 | .25 |
10 | .81 | 47 | 5.9 | e.79 | 8.2 | 14 | 41 | 6.6 | 53 | .98 | .27 | .22 |
11 | 1.0 | 21 | 4.1 | e.78 | 10 | 14 | 57 | 6.5 | 55 | .72 | .14 | .27 |
12 | 1.0 | 9.1 | 3.1 | e.76 | 14 | 15 | 31 | 62 | 40 | .73 | 5.5 | .50 |
13 | .71 | 4.9 | 2.7 | e.75 | 8.2 | 17 | 20 | 50 | 101 | .76 | 5.0 | 1.9 |
14 | .63 | 3.0 | 2.2 | e.74 | 6.3 | 15 | 14 | 27 | 77 | .72 | 3.1 | .73 |
15 | .61 | 2.5 | 1.8 | e.74 | 5.9 | 19 | 44 | 17 | 33 | .63 | 1.2 | .26 |
16 | .55 | 1.8 | 1.6 | e1.3 | 6.9 | 38 | 233 | 13 | 18 | .55 | .70 | .11 |
17 | .89 | 1.5 | 1.4 | e4.6 | 5.8 | 68 | 102 | 23 | 11 | 1.5 | .35 | .09 |
18 | 14 | 1.9 | 1.1 | e40 | 5.0 | 40 | 52 | 19 | 7.0 | 2.8 | .44 | .08 |
19 | 6.3 | 1.4 | .97 | e22 | 4.5 | 24 | 36 | 11 | 5.8 | .93 | 24 | .12 |
20 | 2.8 | 1.2 | .86 | e19 | 4.1 | 17 | 27 | 7.7 | 4.7 | 3.9 | 4.7 | .12 |
21 | 1.2 | 1.3 | 1.0 | e21 | 3.7 | 13 | 25 | 8.7 | 4.2 | 3.9 | 2.0 | .24 |
22 | .80 | .80 | .92 | e260 | 3.5 | 11 | 123 | 26 | 14 | 13 | .95 | .18 |
23 | .75 | 1.0 | .70 | 472 | 3.2 | 8.5 | 366 | 34 | 13 | 2.6 | .76 | .19 |
24 | .80 | .74 | .67 | 269 | 3.2 | 7.2 | 108 | 25 | 17 | 1.5 | 14 | .16 |
25 | .75 | .81 | .64 | 120 | 3.8 | 6.0 | 59 | 13 | 7.6 | 1.1 | 15 | .22 |
26 | .57 | 1.1 | .74 | 69 | 4.2 | 5.4 | 38 | 8.9 | 4.6 | .80 | 5.5 | .18 |
27 | 2.6 | 1.4 | .70 | 69 | 14 | 5.1 | 217 | 6.5 | 4.1 | .81 | 2.8 | .21 |
28 | 15 | .88 | .63 | 72 | 11 | 4.7 | 395 | 5.2 | 3.3 | .67 | 1.8 | 11 |
29 | 5.0 | .72 | .64 | 44 | --- | 4.2 | 113 | 4.1 | 2.6 | .43 | 1.0 | 10 |
30 | 6.6 | 2.0 | .77 | 33 | --- | 3.8 | 64 | 3.4 | 2.3 | .39 | .68 | 2.2 |
31 | 4.3 | --- | .68 | 26 | --- | 4.0 | --- | 7.8 | --- | .33 | .45 | --- |
TOTAL | 110.97 | 123.00 | 188.62 | 1553.86 | 308.5 | 484.7 | 2283.7 | 565.4 | 1032.5 | 80.35 | 93.59 | 31.75 |
MEAN | 3.58 | 4.10 | 6.08 | 50.1 | 11.0 | 15.6 | 76.1 | 18.2 | 34.4 | 2.59 | 3.02 | 1.06 |
MAX | 15 | 47 | 70 | 472 | 38 | 68 | 395 | 62 | 261 | 16 | 24 | 11 |
MIN | .55 | .72 | .63 | .60 | 3.2 | 3.8 | 3.5 | 3.4 | 2.3 | .33 | .14 | .08 |
CFSM | .15 | .17 | .26 | 2.13 | .47 | .67 | 3.24 | .78 | 1.46 | .11 | .13 | .05 |
IN. | .18 | .19 | .30 | 2.46 | .49 | .77 | 3.62 | .90 | 1.63 | .13 | .15 | .05 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 7.62 | 14.0 | 17.2 | 18.2 | 21.7 | 34.2 | 33.8 | 26.1 | 21.2 | 12.3 | 8.14 | 8.39 |
MAX | 76.1 | 96.7 | 105 | 73.7 | 88.4 | 120 | 97.7 | 95.6 | 119 | 85.9 | 60.0 | 77.1 |
(WY) | 1955 | 1991 | 1983 | 1969 | 1997 | 1979 | 1970 | 1996 | 1993 | 1957 | 1968 | 1961 |
MIN | .27 | .20 | .073 | .032 | .38 | 4.42 | 3.57 | 2.49 | 1.14 | .55 | .32 | .25 |
(WY) | 1953 | 1954 | 1977 | 1977 | 1978 | 1981 | 1986 | 1992 | 1988 | 1988 | 1948 | 1953 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1948 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 9559.24 | 6856.94 | ||||
ANNUAL MEAN | 26.2 | 18.8 | 18.6 | |||
HIGHEST ANNUAL MEAN | 42.3 | 1993 | ||||
LOWEST ANNUAL MEAN | 4.82 | 1963 | ||||
HIGHEST DAILY MEAN | 610 | May 7 | 472 | Jan 23 | 1500 | Jul 13 1957 |
LOWEST DAILY MEAN | .55 | Oct 16 | .08 | Sep 18 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .67 | Dec 23 | .13 | Sep 16 | .00 | Aug 8 1975 |
INSTANTANEOUS PEAK FLOW | 710 | Apr 28 | 2220 | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 9.82 | Apr 28 | 12.59 | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | .06 | Sep 16 - 19 | ||||
ANNUAL RUNOFF (CFSM) | 1.11 | .80 | .79 | |||
ANNUAL RUNOFF (INCHES) | 15.13 | 10.85 | 10.75 | |||
10 PERCENT EXCEEDS | 69 | 42 | 42 | |||
50 PERCENT EXCEEDS | 6.6 | 4.1 | 4.5 | |||
90 PERCENT EXCEEDS | .94 | .45 | .45 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |