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 | 34 | 25 | e19 | e56 | e27 | 148 | 58 | 26 | 30 | 22 | 24 |
2 | 16 | 21 | 20 | e26 | 74 | e26 | 87 | 47 | 25 | 27 | 21 | 23 |
3 | 19 | 21 | 21 | e86 | 64 | e33 | 65 | 40 | 32 | 59 | 26 | 35 |
4 | 38 | 20 | 20 | 291 | e52 | e39 | 53 | 38 | 26 | 145 | 708 | 26 |
5 | 21 | 19 | 20 | 227 | 44 | e37 | 45 | 46 | 26 | 43 | 215 | 23 |
6 | 21 | 28 | 19 | 170 | e41 | e27 | 42 | 105 | 26 | 33 | 69 | 22 |
7 | 18 | 21 | 18 | 105 | e39 | e60 | 45 | 919 | 24 | 227 | 152 | 185 |
8 | 17 | 20 | 18 | 253 | e37 | e190 | 76 | 390 | 25 | 83 | 141 | 46 |
9 | 33 | 19 | 18 | 190 | e36 | 304 | 71 | 147 | 93 | 47 | 56 | 34 |
10 | 21 | 19 | 31 | 88 | e90 | 140 | 57 | 98 | 36 | 36 | 46 | 27 |
11 | 19 | 18 | 35 | 64 | 208 | 89 | 47 | 77 | 282 | 32 | 36 | 25 |
12 | 19 | 17 | 27 | e48 | 143 | 69 | 41 | 64 | 116 | 28 | 32 | 24 |
13 | 32 | 17 | 24 | e39 | 70 | 65 | 53 | 61 | 54 | 27 | 30 | 23 |
14 | 22 | 17 | 23 | e35 | e56 | 66 | 54 | 49 | 42 | 26 | 27 | 23 |
15 | 19 | 29 | 23 | e32 | e49 | e55 | 43 | 45 | 38 | 25 | 28 | 25 |
16 | 18 | 23 | 26 | e29 | e74 | 65 | 38 | 41 | 31 | 25 | 28 | 24 |
17 | 18 | 19 | 26 | e28 | 173 | 221 | 35 | 38 | 29 | 24 | 25 | 23 |
18 | 19 | 19 | 25 | e26 | 186 | 597 | 33 | 39 | 32 | 24 | 27 | 22 |
19 | 18 | 19 | e27 | e25 | 84 | 235 | 31 | 34 | 43 | 62 | 25 | 22 |
20 | 20 | 18 | e25 | e23 | 66 | 124 | 68 | 30 | 29 | 37 | 25 | 44 |
21 | 17 | 19 | e28 | e22 | e56 | 95 | 208 | 30 | 26 | 29 | 23 | 27 |
22 | 17 | 18 | e44 | e23 | e49 | 75 | 87 | 29 | 25 | 97 | 24 | 22 |
23 | 15 | 17 | e74 | e22 | e53 | 65 | 58 | 28 | 24 | 58 | 24 | 21 |
24 | 26 | 18 | 71 | e21 | e45 | e59 | 46 | 29 | 24 | 33 | 76 | 21 |
25 | 20 | 18 | 95 | e20 | e46 | 48 | 43 | 28 | 24 | 27 | 36 | 21 |
26 | 80 | 18 | e56 | e19 | e48 | 46 | 55 | 26 | 209 | 24 | 28 | 23 |
27 | 93 | 23 | e42 | e22 | e36 | 43 | 47 | 26 | 49 | 25 | 26 | 21 |
28 | 30 | 30 | e34 | e28 | e30 | 93 | 38 | 25 | 53 | 23 | 46 | 22 |
29 | 23 | 40 | e27 | e30 | --- | 59 | 101 | 26 | 41 | 22 | 29 | 20 |
30 | 21 | 29 | e25 | e33 | --- | 48 | 70 | 27 | 37 | 22 | 26 | 34 |
31 | 19 | --- | e22 | e42 | --- | 134 | --- | 26 | --- | 22 | 24 | --- |
TOTAL | 787 | 648 | 989 | 2086 | 2005 | 3234 | 1885 | 2666 | 1547 | 1422 | 2101 | 932 |
MEAN | 25.4 | 21.6 | 31.9 | 67.3 | 71.6 | 104 | 62.8 | 86.0 | 51.6 | 45.9 | 67.8 | 31.1 |
MAX | 93 | 40 | 95 | 291 | 208 | 597 | 208 | 919 | 282 | 227 | 708 | 185 |
MIN | 15 | 17 | 18 | 19 | 30 | 26 | 31 | 25 | 24 | 22 | 21 | 20 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1949 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 26.8 | 34.3 | 38.7 | 35.8 | 41.6 | 59.1 | 60.2 | 48.9 | 43.7 | 33.7 | 28.9 | 28.0 |
MAX | 87.1 | 108 | 172 | 97.7 | 136 | 188 | 112 | 153 | 138 | 147 | 85.2 | 108 |
(WY) | 1955 | 1991 | 1983 | 1993 | 1997 | 1979 | 1979 | 1996 | 1993 | 1996 | 1968 | 1961 |
MIN | 11.0 | 9.31 | 11.4 | 12.0 | 19.3 | 20.8 | 19.3 | 18.2 | 12.4 | 14.0 | 11.8 | 9.28 |
(WY) | 1950 | 1950 | 1954 | 1954 | 1964 | 1981 | 1971 | 1954 | 1949 | 1952 | 1949 | 1949 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1949 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 16288 | 20302 | ||||
ANNUAL MEAN | 44.6 | 55.6 | 40.1 | |||
HIGHEST ANNUAL MEAN | 67.9 | 1993 | ||||
LOWEST ANNUAL MEAN | 24.8 | 1954 | ||||
HIGHEST DAILY MEAN | 1040 | Feb 21 | 919 | May 7 | 1500 | A |
LOWEST DAILY MEAN | 14 | Jul 5, 6 | 15 | Oct 23 | 6.0 | B |
ANNUAL SEVEN-DAY MINIMUM | 18 | Oct 17 | 18 | Oct 17 | 8.5 | Sep 5 1949 |
INSTANTANEOUS PEAK FLOW | 1180 | May 7 | 2700 C | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 9.82 | May 7 | 11.26 D | Aug 17 1968 | ||
INSTANTANEOUS LOW FLOW | 4.2 | Oct. 26 | .00 E | Jun 3 1992 | ||
10 PERCENT EXCEEDS | 79 | 97 | 68 | |||
50 PERCENT EXCEEDS | 27 | 31 | 23 | |||
90 PERCENT EXCEEDS | 18 | 19 | 15 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |