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 | .87 | 3.6 | 14 | 6.3 | 22 | 16 | 102 | 23 | 3.9 | 47 | .80 | .74 |
2 | 1.0 | 2.8 | 11 | 8.2 | 54 | 15 | 69 | 23 | 4.6 | 37 | .73 | .67 |
3 | 1.2 | 2.5 | 14 | 19 | 36 | 16 | 43 | 23 | 3.3 | 72 | .77 | .79 |
4 | 2.7 | 2.7 | 13 | 74 | 28 | 14 | 30 | 20 | 3.1 | 119 | 18 | .77 |
5 | .86 | 2.7 | 9.4 | 73 | 21 | 13 | 23 | 22 | 5.8 | 55 | 11 | .61 |
6 | .63 | 20 | 7.2 | 74 | 18 | 13 | 20 | 20 | 6.0 | 50 | 3.0 | .58 |
7 | .71 | 8.8 | 5.9 | 102 | 18 | 12 | 30 | 162 | 3.4 | 76 | 12 | 28 |
8 | .91 | 5.6 | 5.0 | 80 | 16 | 146 | 172 | 132 | 3.2 | 45 | 27 | 1.9 |
9 | 2.2 | 3.9 | 6.7 | 100 | 14 | 193 | 189 | 55 | 16 | 36 | 6.2 | 1.0 |
10 | 1.2 | 3.0 | 39 | 50 | 13 | 108 | 88 | 31 | 13 | 32 | 1.9 | .79 |
11 | .95 | 2.7 | 39 | 26 | 87 | 54 | 46 | 23 | 41 | 29 | 1.3 | .63 |
12 | .80 | 2.2 | 21 | 21 | 109 | 33 | 30 | 19 | 37 | 27 | 1.2 | .62 |
13 | 9.5 | 1.9 | 14 | e19 | 55 | 27 | 26 | 58 | 35 | 23 | .98 | .70 |
14 | 6.4 | 2.8 | 9.8 | e17 | 32 | 24 | 26 | 29 | 22 | 19 | .70 | 6.2 |
15 | 2.2 | 15 | 8.9 | e15 | 24 | 22 | 26 | 22 | 17 | 7.1 | .57 | 23 |
16 | 1.4 | 9.9 | 9.7 | e14 | 26 | 24 | 102 | 18 | 14 | 2.7 | .63 | 2.0 |
17 | 1.3 | 7.4 | 9.0 | e13 | 60 | 65 | 75 | 14 | 12 | 2.4 | .61 | 1.5 |
18 | 1.2 | 5.6 | 7.8 | e12 | 77 | 269 | 37 | 13 | 31 | 2.3 | .56 | 1.3 |
19 | 1.2 | 5.6 | 7.2 | e11 | 43 | 166 | 26 | 22 | 66 | 6.7 | .57 | .75 |
20 | 1.3 | 6.0 | 6.3 | e10 | 32 | 71 | 31 | 13 | 31 | 3.5 | .58 | 7.1 |
21 | 1.4 | 14 | 5.8 | e9.6 | 25 | 43 | 47 | 16 | 23 | 3.0 | .58 | 3.0 |
22 | 1.5 | 14 | 9.9 | e9.0 | 21 | 31 | 33 | 14 | 16 | 1.7 | .64 | .97 |
23 | .83 | 12 | 8.4 | e8.6 | 23 | 35 | 24 | 10 | 12 | 1.5 | .58 | .81 |
24 | 2.3 | 8.1 | 8.4 | e8.4 | 23 | 33 | 20 | 26 | 7.9 | 1.3 | .61 | .84 |
25 | 2.7 | 6.1 | 25 | 8.4 | 17 | 24 | 18 | 11 | 14 | 1.2 | 24 | .73 |
26 | 22 | 7.7 | 16 | 8.7 | 15 | 21 | 55 | 9.0 | 275 | 1.6 | 1.6 | .77 |
27 | 53 | 10 | 10 | 9.2 | 25 | 17 | 42 | 7.6 | 165 | 1.4 | 1.0 | .73 |
28 | 14 | 14 | 8.5 | 9.6 | 17 | 21 | 26 | 5.0 | 187 | 1.3 | 8.7 | .56 |
29 | 10 | 13 | 8.0 | 14 | --- | 23 | 27 | 9.4 | 98 | .92 | 2.8 | .59 |
30 | 6.8 | 18 | 7.2 | 12 | --- | 16 | 24 | 9.9 | 59 | .89 | 1.2 | .79 |
31 | 5.0 | --- | 6.2 | 12 | --- | 93 | --- | 6.9 | --- | 1.0 | .91 | --- |
TOTAL | 158.06 | 231.6 | 371.3 | 854.0 | 951 | 1658 | 1507 | 866.8 | 1225.2 | 707.51 | 131.72 | 89.44 |
MEAN | 5.10 | 7.72 | 12.0 | 27.5 | 34.0 | 53.5 | 50.2 | 28.0 | 40.8 | 22.8 | 4.25 | 2.98 |
MAX | 53 | 20 | 39 | 102 | 109 | 269 | 189 | 162 | 275 | 119 | 27 | 28 |
MIN | .63 | 1.9 | 5.0 | 6.3 | 13 | 12 | 18 | 5.0 | 3.1 | .89 | .56 | .56 |
CFSM | .24 | .37 | .57 | 1.31 | 1.61 | 2.53 | 2.38 | 1.33 | 1.94 | 1.08 | .20 | .14 |
IN. | .28 | .41 | .65 | 1.51 | 1.68 | 2.92 | 2.66 | 1.53 | 2.16 | 1.25 | .23 | .16 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1967 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 11.8 | 18.6 | 20.1 | 15.8 | 24.0 | 37.5 | 38.2 | 24.3 | 20.9 | 15.7 | 17.2 | 15.5 |
MAX | 51.4 | 69.9 | 79.3 | 56.3 | 71.0 | 119 | 83.2 | 90.5 | 64.4 | 55.0 | 69.7 | 98.0 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1997 | 1979 | 1993 | 1996 | 1969 | 1969 | 1987 | 1986 |
MIN | 2.01 | 4.23 | 2.53 | 2.83 | 3.28 | 8.60 | 7.63 | 3.48 | 1.92 | 1.31 | 3.40 | 2.38 |
(WY) | 1989 | 1977 | 1977 | 1977 | 1978 | 1968 | 1989 | 1992 | 1988 | 1991 | 1991 | 1982 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1967 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 6573.17 | 8751.63 | ||||
ANNUAL MEAN | 18.0 | 24.0 | 21.6 | |||
HIGHEST ANNUAL MEAN | 33.2 | 1993 | ||||
LOWEST ANNUAL MEAN | 7.83 | 1977 | ||||
HIGHEST DAILY MEAN | 647 | Feb 21 | 275 | Jun 26 | 647 | Feb 21 1997 |
LOWEST DAILY MEAN | .39 | Jul 17 | .56 | Aug 18,Sep 28 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .91 | Sep 9 | .59 | Aug 15 | .00 | Jun 14 1988 |
INSTANTANEOUS PEAK FLOW | 300 | Mar 18,Jun 26 | 895 B | Aug 14 1987 | ||
INSTANTANEOUS PEAK STAGE | 6.79 | Mar 18,Jun 26 | 9.13 | Feb 21 1997 | ||
INSTANTANEOUS LOW FLOW | .43 | Oct 6 | ||||
ANNUAL RUNOFF (CFSM) | .85 | 1.14 | 1.03 | |||
ANNUAL RUNOFF (INCHES) | 11.59 | 15.43 | 13.93 | |||
10 PERCENT EXCEEDS | 39 | 58 | 47 | |||
50 PERCENT EXCEEDS | 8.6 | 13 | 9.4 | |||
90 PERCENT EXCEEDS | 1.2 | .84 | 2.3 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |