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 | 18 | 19 | 27 | 23 | 58 | 35 | 159 | 47 | 23 | 23 | 16 | 24 |
2 | 18 | 20 | 23 | 28 | 142 | 31 | 119 | 44 | 21 | 20 | 16 | 22 |
3 | 19 | 20 | 25 | 81 | 85 | 30 | 86 | 41 | 16 | 22 | 16 | 22 |
4 | 23 | 19 | 26 | 159 | 66 | 34 | 73 | 40 | 20 | 90 | 46 | 21 |
5 | 23 | 18 | 22 | 161 | 56 | 34 | 55 | 37 | 21 | 36 | 48 | e18 |
6 | 22 | 31 | 20 | 152 | 50 | 35 | 48 | 50 | 22 | 28 | 38 | e160 |
7 | 21 | 25 | 17 | 195 | 47 | 34 | 47 | 302 | 22 | 62 | 38 | e95 |
8 | 19 | 22 | 20 | 112 | 48 | 93 | 213 | 515 | 21 | 49 | 58 | e40 |
9 | 24 | 20 | 19 | 118 | 41 | 163 | 177 | 188 | 33 | 32 | 32 | e27 |
10 | 22 | 19 | 27 | 83 | 36 | 99 | 108 | 104 | 30 | 27 | 26 | 23 |
11 | 22 | 19 | 34 | 58 | 92 | 77 | 81 | 83 | 101 | 22 | 22 | 21 |
12 | 21 | 21 | 29 | 49 | 109 | 60 | 63 | 69 | 71 | 21 | 20 | 20 |
13 | 51 | 19 | 26 | 41 | 78 | 56 | 56 | 59 | 41 | 20 | 19 | 21 |
14 | 33 | 19 | 23 | 36 | 65 | 56 | 66 | 52 | 31 | 19 | 18 | 24 |
15 | 24 | 24 | 22 | 33 | 50 | 50 | 56 | 49 | 28 | 18 | 18 | 54 |
16 | 20 | 26 | 24 | 31 | 45 | 48 | 115 | 47 | 25 | 18 | 18 | 30 |
17 | 21 | 23 | 23 | 30 | 73 | 72 | 78 | 36 | 22 | 17 | 18 | 26 |
18 | 20 | 21 | 24 | 28 | 73 | 321 | 61 | 34 | 24 | 17 | 17 | 24 |
19 | 20 | 20 | 24 | 27 | 55 | 218 | 53 | 29 | 65 | 36 | 16 | 22 |
20 | 20 | 20 | 21 | 26 | 52 | 139 | 61 | 28 | 31 | 25 | 16 | 22 |
21 | 18 | 23 | 21 | 24 | 48 | 105 | 198 | 26 | 26 | 20 | 16 | 20 |
22 | 17 | 24 | 22 | 23 | 41 | 72 | 124 | 25 | 23 | 19 | 16 | 15 |
23 | 18 | 22 | 22 | 27 | 38 | 58 | 79 | 25 | 22 | 18 | 17 | 15 |
24 | 22 | 21 | 23 | 28 | 41 | 51 | 64 | 44 | 20 | 17 | 27 | 15 |
25 | 24 | 19 | 34 | 24 | 42 | 46 | 56 | 32 | 20 | 16 | 172 | 15 |
26 | 33 | 19 | 32 | 23 | 35 | 45 | 65 | 28 | 47 | 16 | 62 | 16 |
27 | 93 | 22 | 27 | 26 | 40 | 44 | 56 | 25 | 32 | 17 | 38 | 16 |
28 | 38 | 33 | 25 | 28 | 38 | 48 | 46 | 30 | 50 | 16 | 63 | 15 |
29 | 29 | 34 | 24 | 38 | --- | 45 | 50 | 31 | 33 | 17 | 44 | 15 |
30 | 23 | 36 | 24 | 44 | --- | 41 | 49 | 26 | 27 | 16 | 33 | 21 |
31 | 20 | --- | 22 | 42 | --- | 127 | --- | 25 | --- | 17 | 27 | --- |
TOTAL | 796 | 678 | 752 | 1798 | 1644 | 2367 | 2562 | 2171 | 968 | 791 | 1031 | 879 |
MEAN | 25.7 | 22.6 | 24.3 | 58.0 | 58.7 | 76.4 | 85.4 | 70.0 | 32.3 | 25.5 | 33.3 | 29.3 |
MAX | 93 | 36 | 34 | 195 | 142 | 321 | 213 | 515 | 101 | 90 | 172 | 160 |
MIN | 17 | 18 | 17 | 23 | 35 | 30 | 46 | 25 | 16 | 16 | 16 | 15 |
CFSM | .90 | .79 | .85 | 2.04 | 2.06 | 2.68 | 3.00 | 2.46 | 1.13 | .90 | 1.17 | 1.03 |
IN. | 1.04 | .88 | .98 | 2.35 | 2.15 | 3.09 | 3.34 | 2.83 | 1.26 | 1.03 | 1.35 | 1.15 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1961 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 23.2 | 32.9 | 34.5 | 29.5 | 38.1 | 54.3 | 60.7 | 44.7 | 37.3 | 26.5 | 29.3 | 27.1 |
MAX | 68.0 | 111 | 134 | 77.8 | 118 | 191 | 135 | 113 | 103 | 63.8 | 135 | 115 |
(WY) | 1987 | 1986 | 1983 | 1993 | 1997 | 1979 | 1983 | 1996 | 1996 | 1993 | 1987 | 1972 |
MIN | 1.54 | 1.62 | .97 | .87 | .75 | 12.3 | 14.7 | 13.9 | 2.02 | 5.36 | 1.50 | 1.22 |
(WY) | 1964 | 1963 | 1963 | 1963 | 1963 | 1968 | 1963 | 1971 | 1963 | 1966 | 1961 | 1962 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1961 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 14758 | 16437 | ||||
ANNUAL MEAN | 40.4 | 45.0 | 36.5 | |||
HIGHEST ANNUAL MEAN | 58.1 | 1993 | ||||
LOWEST ANNUAL MEAN | 6.41 | 1963 | ||||
HIGHEST DAILY MEAN | 630 | Feb 22 | 515 | May 8 | 817 | Dec 3 1982 |
LOWEST DAILY MEAN | 13 | Jul 30, Aug 1 | 15 | Sep 22-25,28,29 | .20 | Jul 5 1963 |
ANNUAL SEVEN-DAY MINIMUM | 14 | Jul 27 | 15 | Sep 22 | .26 | Jul 5 1963 |
INSTANTANEOUS PEAK FLOW | 623 | May 8 | 984 A | Dec 3 1982 | ||
INSTANTANEOUS PEAK STAGE | 9.03 | May 8 | 10.78 | Feb 21 1997 | ||
INSTANTANEOUS LOW FLOW | 9.3 | Oct 10 | .20 | B | ||
ANNUAL RUNOFF (CFSM) | 1.42 | 1.58 | 1.28 | |||
ANNUAL RUNOFF (INCHES) | 19.26 | 21.45 | 17.39 | |||
10 PERCENT EXCEEDS | 61 | 85 | 75 | |||
50 PERCENT EXCEEDS | 26 | 28 | 23 | |||
90 PERCENT EXCEEDS | 18 | 18 | 7.1 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |