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 | 6.4 | 39 | 34 | e28 | 137 | 48 | 41 | 147 | 73 | 47 | 9.2 | 4.2 |
2 | 5.1 | 45 | 33 | e32 | 169 | 48 | 39 | 132 | 107 | 35 | 8.8 | 4.0 |
3 | 6.3 | 61 | 33 | e30 | 165 | 46 | 40 | 120 | 71 | 32 | 8.7 | 4.2 |
4 | 8.0 | 55 | 31 | e29 | 135 | 44 | 40 | 111 | 88 | 30 | 8.4 | 3.8 |
5 | 33 | 50 | 31 | e28 | 115 | 46 | 37 | 107 | 102 | 28 | 8.0 | 3.6 |
6 | 26 | 46 | 55 | e34 | 106 | 47 | 42 | 99 | 73 | 26 | 7.7 | 3.8 |
7 | 15 | 43 | 180 | e32 | 100 | 42 | 37 | 90 | 70 | 24 | 8.5 | 3.4 |
8 | 11 | 45 | 115 | e30 | 92 | 39 | 44 | 83 | 61 | 23 | 9.6 | 3.5 |
9 | 9.1 | 47 | 91 | e28 | 88 | e38 | 129 | 78 | 64 | 22 | 7.5 | 3.2 |
10 | 8.8 | 186 | 78 | e26 | 83 | e44 | 81 | 75 | 58 | 20 | 6.9 | 3.0 |
11 | 9.2 | 163 | 70 | e25 | 98 | 42 | 70 | 76 | 56 | 19 | 6.6 | 3.0 |
12 | 6.9 | 112 | 65 | e24 | 98 | 41 | 61 | 145 | 51 | 18 | 15 | 3.2 |
13 | 6.3 | 97 | 61 | e24 | 80 | 42 | 58 | 1740 | 303 | 17 | 22 | 3.5 |
14 | 6.4 | 86 | 55 | e23 | 77 | 42 | 56 | 402 | 156 | 16 | 9.0 | 3.1 |
15 | 9.0 | 74 | 52 | e23 | 77 | 45 | 67 | 247 | 105 | 16 | 7.2 | 2.8 |
16 | 9.8 | 70 | 51 | e22 | 72 | 57 | 244 | 208 | 89 | 15 | 6.5 | 2.8 |
17 | 71 | 61 | 48 | e22 | 67 | 87 | 224 | 319 | 78 | 14 | 6.0 | 2.9 |
18 | 325 | 58 | 48 | e22 | 64 | 78 | 176 | 222 | 71 | 14 | 6.2 | 3.0 |
19 | 157 | 56 | 43 | e22 | 62 | 64 | 148 | 180 | 65 | 13 | 7.9 | 2.7 |
20 | 101 | 51 | 40 | e25 | 58 | 60 | 129 | 158 | 59 | 14 | 7.2 | 2.8 |
21 | 79 | 48 | 40 | e40 | 55 | 57 | 118 | 160 | 55 | 13 | 5.9 | 2.8 |
22 | 64 | 48 | e31 | e250 | 54 | 53 | 109 | 190 | 52 | 12 | 5.6 | 2.7 |
23 | 56 | 45 | e33 | 359 | 56 | 51 | 202 | 147 | 50 | 11 | 7.7 | 2.6 |
24 | 51 | 41 | e35 | 304 | 54 | 48 | 156 | 129 | 74 | 11 | 15 | 2.6 |
25 | 46 | 42 | e36 | 199 | 53 | 46 | 134 | 116 | 50 | 10 | 8.9 | 2.6 |
26 | 41 | 39 | e37 | 154 | 51 | 44 | 120 | 104 | 44 | 11 | 6.6 | 2.6 |
27 | 41 | 37 | e37 | 190 | 55 | 44 | 119 | 95 | 42 | 11 | 6.1 | 2.8 |
28 | 63 | 36 | e35 | 242 | 51 | 44 | 218 | 89 | 40 | 14 | 5.6 | 40 |
29 | 50 | 36 | e32 | 165 | --- | 42 | 208 | 82 | 37 | 11 | 5.2 | 16 |
30 | 45 | 37 | e20 | 139 | --- | 41 | 169 | 77 | 35 | 9.9 | 5.0 | 6.7 |
31 | 40 | --- | e23 | 133 | --- | 42 | --- | 75 | --- | 9.4 | 4.6 | --- |
TOTAL | 1406.3 | 1854 | 1573 | 2704 | 2372 | 1512 | 3316 | 6003 | 2279 | 566.3 | 253.1 | 147.9 |
MEAN | 45.4 | 61.8 | 50.7 | 87.2 | 84.7 | 48.8 | 111 | 194 | 76.0 | 18.3 | 8.16 | 4.93 |
MAX | 325 | 186 | 180 | 359 | 169 | 87 | 244 | 1740 | 303 | 47 | 22 | 40 |
MIN | 5.1 | 36 | 20 | 22 | 51 | 38 | 37 | 75 | 35 | 9.4 | 4.6 | 2.6 |
CFSM | .72 | .99 | .81 | 1.39 | 1.35 | .78 | 1.76 | 3.09 | 1.21 | .29 | .13 | .08 |
IN. | .83 | 1.10 | .93 | 1.60 | 1.41 | .90 | 1.97 | 3.56 | 1.35 | .34 | .15 | .09 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1960 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 20.1 | 31.5 | 38.0 | 47.3 | 56.0 | 84.7 | 85.1 | 83.5 | 68.8 | 44.7 | 24.0 | 26.4 |
MAX | 124 | 154 | 177 | 223 | 237 | 272 | 243 | 248 | 338 | 243 | 158 | 184 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1997 | 1979 | 1983 | 1995 | 1974 | 1993 | 1981 | 1970 |
MIN | .64 | 1.37 | .96 | 1.35 | 3.22 | 16.4 | 6.88 | 6.82 | 6.20 | 3.51 | 1.33 | .50 |
(WY) | 1964 | 1965 | 1964 | 1963 | 1964 | 1996 | 1989 | 1989 | 1977 | 1988 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1960 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 30472.6 | 23986.6 | ||||
ANNUAL MEAN | 83.5 | 65.7 | 50.8 | |||
HIGHEST ANNUAL MEAN | 131 | 1993 | ||||
LOWEST ANNUAL MEAN | 13.6 | 1964 | ||||
HIGHEST DAILY MEAN | 531 | Mar 18 | 1740 | May 13 | 3330 | Feb 21 1997 |
LOWEST DAILY MEAN | 4.1 | Sep 28 | 2.6 | Sep 23-26 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 4.7 | Sep 7 | 2.7 | Sep 20 | .11 | Oct 6 1963 |
INSTANTANEOUS PEAK FLOW | 2670 | May 13 | 6540 B | Jun 22 1974 | ||
INSTANTANEOUS PEAK STAGE | 21.59 | May 13 | 23.81 C | Jun 22 1974 | ||
INSTANTANEOUS LOW FLOW | 2.6 | Sep 15, 18-27 | ||||
ANNUAL RUNOFF (CFSM) | 1.33 | 1.05 | .81 | |||
ANNUAL RUNOFF (INCHES) | 18.08 | 14.23 | 11.01 | |||
10 PERCENT EXCEEDS | 184 | 147 | 108 | |||
50 PERCENT EXCEEDS | 66 | 44 | 23 | |||
90 PERCENT EXCEEDS | 7.8 | 6.2 | 2.7 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |