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 | .56 | 4.0 | 16 | e5.0 | 8.8 | 18 | 74 | 26 | 4.5 | 34 | .06 | 2.2 |
2 | .75 | 2.7 | 16 | 9.4 | 33 | 15 | 69 | 24 | 3.5 | 23 | .06 | 1.6 |
3 | .63 | 2.8 | 16 | 19 | 33 | 15 | 52 | 20 | 3.6 | 27 | .01 | 1.4 |
4 | 2.7 | 3.3 | 12 | 74 | 20 | 14 | 38 | 18 | 3.8 | 36 | 7.1 | 1.0 |
5 | .86 | 4.6 | 11 | 106 | 9.4 | 12 | 29 | 18 | 5.4 | 31 | 6.9 | .74 |
6 | .52 | 13 | 7.5 | 115 | 4.2 | 11 | 26 | 17 | 4.8 | 22 | 5.2 | .51 |
7 | .49 | 11 | 5.7 | 128 | 3.3 | 10 | 30 | 99 | 4.2 | 21 | 15 | 37 |
8 | 1.0 | 9.4 | 4.1 | 105 | 3.2 | 37 | 78 | 156 | 3.3 | 19 | 11 | 24 |
9 | 3.1 | 6.4 | 8.2 | 79 | 3.2 | 67 | 123 | 138 | 13 | 14 | 5.6 | 15 |
10 | 1.7 | e5.0 | 13 | 39 | 2.8 | 56 | 101 | 79 | 14 | 10 | 3.3 | 9.4 |
11 | 1.6 | e4.0 | e21 | 28 | 23 | 45 | 62 | 42 | 25 | 7.8 | 2.3 | 5.8 |
12 | 1.1 | e3.5 | e13 | 12 | 65 | 32 | 42 | 33 | 28 | 5.7 | 1.8 | 3.8 |
13 | 9.2 | e3.5 | e7.8 | 6.4 | 60 | 27 | 33 | 41 | 27 | 4.5 | 1.5 | 2.9 |
14 | 6.3 | e4.0 | e11 | 3.4 | 43 | 24 | 32 | 33 | e35 | 3.8 | 1.2 | 8.3 |
15 | 3.6 | e8.4 | e9.5 | e2.0 | 33 | 21 | 34 | 28 | 10 | 3.2 | 1.1 | 13 |
16 | 1.9 | e12 | e10 | e1.8 | 30 | 20 | 78 | 23 | 6.9 | 2.5 | .61 | 9.8 |
17 | 1.3 | 9.8 | e9.0 | e1.7 | 38 | 31 | 95 | 15 | 5.9 | 2.1 | .51 | 6.4 |
18 | .96 | 7.5 | e8.4 | e1.6 | 53 | 110 | 61 | 11 | 14 | 1.7 | .31 | 4.5 |
19 | .62 | 6.3 | e7.4 | e1.5 | 48 | 126 | 40 | 8.5 | 27 | 3.1 | .23 | 3.2 |
20 | .51 | 5.9 | e6.4 | e1.6 | 38 | 91 | 38 | 7.9 | 26 | 2.2 | .18 | 13 |
21 | .44 | e8.4 | e6.0 | e1.7 | 30 | 55 | 73 | 6.3 | 16 | 2.4 | .26 | 13 |
22 | .33 | e7.3 | e6.6 | e1.8 | 26 | 42 | 92 | 5.1 | 9.2 | 2.1 | 1.8 | 7.2 |
23 | .28 | e5.8 | e6.2 | e1.9 | 24 | 32 | 66 | 4.5 | 5.7 | 1.6 | 2.8 | 4.0 |
24 | .73 | e5.0 | 10 | e1.8 | 24 | 28 | 42 | 14 | 4.2 | .94 | 3.7 | 3.6 |
25 | .93 | e4.3 | 18 | e1.6 | 21 | 25 | 31 | 10 | 12 | .80 | 8.9 | 3.5 |
26 | 15 | e3.9 | 18 | e1.5 | 18 | 23 | 38 | 7.6 | 112 | .54 | 4.4 | 3.1 |
27 | 33 | e5.5 | 14 | e1.6 | 20 | 19 | 37 | 5.9 | 107 | .27 | 2.4 | 2.1 |
28 | 19 | 7.2 | 11 | e1.7 | 19 | 18 | 31 | 5.1 | 108 | .18 | 8.7 | 1.7 |
29 | 11 | 9.4 | e9.0 | e1.4 | --- | 16 | 29 | 6.5 | 79 | .08 | 5.2 | 1.5 |
30 | 7.9 | 15 | e7.4 | e1.3 | --- | 14 | 27 | 6.0 | 50 | .07 | 3.1 | 3.8 |
31 | 5.6 | --- | e6.0 | e2.6 | --- | 45 | --- | 5.7 | --- | .03 | 2.8 | --- |
TOTAL | 133.61 | 198.9 | 325.2 | 758.3 | 733.9 | 1099 | 1601 | 914.1 | 768.0 | 282.61 | 108.03 | 207.05 |
MEAN | 4.31 | 6.63 | 10.5 | 24.5 | 26.2 | 35.5 | 53.4 | 29.5 | 25.6 | 9.12 | 3.48 | 6.90 |
MAX | 33 | 15 | 21 | 128 | 65 | 126 | 123 | 156 | 112 | 36 | 15 | 37 |
MIN | .28 | 2.7 | 4.1 | 1.3 | 2.8 | 10 | 26 | 4.5 | 3.3 | .03 | .01 | .51 |
CFSM | .22 | .34 | .54 | 1.25 | 1.34 | 1.81 | 2.72 | 1.50 | 1.31 | .47 | .18 | .35 |
IN. | .25 | .38 | .62 | 1.44 | 1.39 | 2.09 | 3.04 | 1.73 | 1.46 | .54 | .21 | .39 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 8.11 | 14.9 | 16.6 | 14.0 | 20.9 | 34.1 | 36.0 | 23.6 | 17.4 | 11.5 | 10.9 | 10.1 |
MAX | 37.9 | 89.6 | 92.8 | 53.1 | 69.9 | 147 | 97.1 | 116 | 103 | 46.1 | 64.5 | 65.4 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1997 | 1979 | 1983 | 1996 | 1970 | 1978 | 1987 | 1972 |
MIN | .000 | .000 | .032 | .042 | .12 | 4.80 | 4.26 | 3.33 | .74 | .058 | .000 | .000 |
(WY) | 1953 | 1954 | 1954 | 1954 | 1963 | 1956 | 1963 | 1977 | 1963 | 1953 | 1955 | 1953 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1952 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 6654.58 | 7129.70 | ||||
ANNUAL MEAN | 18.2 | 19.5 | 18.2 | |||
HIGHEST ANNUAL MEAN | 32.9 | 1993 | ||||
LOWEST ANNUAL MEAN | 2.00 | 1963 | ||||
HIGHEST DAILY MEAN | 384 | Feb 21 | 156 | May 8 | 525 | Dec 3 1982 |
LOWEST DAILY MEAN | .28 | Oct 23 | .01 | Aug 3 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .55 | Oct 19 | .07 | Jul 28 | .00 | Aug 22 1952 |
INSTANTANEOUS PEAK FLOW | 272 | Jun 25 | 887 | Jul 22 1982 | ||
INSTANTANEOUS PEAK STAGE | 5.05 | Jun 25 | 7.94 | Jul 22 1982 | ||
INSTANTANEOUS LOW FLOW | .00 | Jul 27-Aug. 3 | ||||
ANNUAL RUNOFF (CFSM) | .93 | 1.00 | .93 | |||
ANNUAL RUNOFF (INCHES) | 12.63 | 13.53 | 12.59 | |||
10 PERCENT EXCEEDS | 32 | 51 | 44 | |||
50 PERCENT EXCEEDS | 8.4 | 8.9 | 7.7 | |||
90 PERCENT EXCEEDS | 1.3 | 1.1 | .40 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |