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 | 20 | 56 | 106 | 55 | 101 | 101 | 175 | 90 | 53 | 106 | 19 | 7.0 |
2 | 20 | 51 | 91 | 56 | 182 | 92 | 149 | 81 | 53 | 88 | 18 | 6.7 |
3 | 20 | 49 | 86 | 176 | 167 | 85 | 135 | 74 | 50 | 80 | 17 | 6.2 |
4 | 19 | 44 | 76 | 279 | 148 | 76 | 121 | 70 | 49 | 76 | 17 | 6.2 |
5 | 18 | 45 | 68 | 273 | 126 | 70 | 110 | 68 | 48 | 70 | 19 | 5.5 |
6 | 17 | 94 | 65 | 240 | 108 | 68 | 103 | 85 | 46 | 73 | 17 | 5.4 |
7 | 17 | 104 | 61 | 265 | 96 | 65 | 116 | 201 | 44 | 69 | 15 | 5.2 |
8 | 17 | 88 | 59 | 258 | 87 | 172 | 202 | 194 | 45 | 66 | 27 | 4.9 |
9 | 17 | 75 | 59 | 233 | 81 | 251 | 261 | 149 | 179 | 60 | 16 | 4.7 |
10 | 17 | 68 | 59 | 212 | 80 | 198 | 217 | 127 | 116 | 55 | 14 | 4.8 |
11 | 16 | 62 | 53 | 191 | 229 | 167 | 186 | 113 | 244 | 50 | 13 | 4.4 |
12 | 17 | 58 | 50 | 172 | 280 | 143 | 167 | 106 | 285 | 47 | 12 | 4.4 |
13 | 18 | 56 | 50 | 144 | 214 | 135 | 158 | 96 | 200 | 44 | 12 | 4.3 |
14 | 18 | 54 | 48 | 132 | 181 | 127 | 162 | 90 | 183 | 41 | 11 | 11 |
15 | 16 | 51 | 47 | 119 | 159 | 112 | 151 | 88 | 213 | 39 | 11 | 18 |
16 | 16 | 47 | 47 | 109 | 144 | 104 | 168 | 87 | 316 | 36 | 10 | 8.6 |
17 | 16 | 46 | 46 | 98 | 135 | 219 | 145 | 77 | 266 | 34 | 11 | 6.2 |
18 | 16 | 46 | 46 | 86 | 121 | 531 | 131 | 75 | 218 | 32 | 17 | 5.8 |
19 | 16 | 45 | 45 | 79 | 107 | 351 | 122 | 78 | 267 | 30 | 11 | 5.7 |
20 | 16 | 44 | 45 | 74 | 101 | 255 | 115 | 78 | 195 | 27 | 9.9 | 5.2 |
21 | 16 | 43 | 45 | 72 | 93 | 217 | 116 | 72 | 176 | 28 | 9.2 | 5.9 |
22 | 15 | 41 | 48 | 68 | 87 | 194 | 107 | 74 | 148 | 97 | 9.0 | 6.1 |
23 | 16 | 40 | 46 | 65 | 83 | 173 | 99 | 70 | 130 | 58 | e8.9 | 5.1 |
24 | 26 | 39 | 51 | 62 | 78 | 154 | 93 | 99 | 115 | 40 | 8.7 | 5.3 |
25 | 22 | 39 | 56 | 59 | 72 | 144 | 89 | 80 | 103 | 34 | 8.6 | 5.9 |
26 | 24 | 39 | 55 | 57 | 73 | 135 | 88 | 73 | 95 | 31 | 7.8 | 5.7 |
27 | 48 | 38 | 55 | 55 | 128 | 121 | 74 | 69 | 88 | 29 | 7.6 | 5.0 |
28 | 52 | 125 | 59 | 55 | 116 | 116 | 71 | 66 | 86 | 27 | 9.9 | 4.1 |
29 | 65 | 134 | 56 | 60 | --- | 104 | 79 | 62 | 108 | 25 | 11 | 5.0 |
30 | 65 | 127 | 53 | 63 | --- | 97 | 73 | 61 | 178 | 23 | 7.7 | 7.7 |
31 | 61 | --- | 49 | 64 | --- | 149 | --- | 58 | --- | 21 | 7.0 | --- |
TOTAL | 757 | 1848 | 1780 | 3931 | 3577 | 4926 | 3983 | 2811 | 4297 | 1536 | 392.3 | 186.0 |
MEAN | 24.4 | 61.6 | 57.4 | 127 | 128 | 159 | 133 | 90.7 | 143 | 49.5 | 12.7 | 6.20 |
MAX | 65 | 134 | 106 | 279 | 280 | 531 | 261 | 201 | 316 | 106 | 27 | 18 |
MIN | 15 | 38 | 45 | 55 | 72 | 65 | 71 | 58 | 44 | 21 | 7.0 | 4.1 |
CFSM | .39 | .98 | .92 | 2.02 | 2.04 | 2.53 | 2.12 | 1.45 | 2.28 | .79 | .20 | .10 |
IN. | .45 | 1.10 | 1.06 | 2.33 | 2.12 | 2.92 | 2.36 | 1.67 | 2.55 | .91 | .23 | .11 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1960 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 19.4 | 30.7 | 37.7 | 46.3 | 55.3 | 85.6 | 84.5 | 80.7 | 68.6 | 45.3 | 24.5 | 26.9 |
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 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1960 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 19617.0 | 30024.3 | ||||
ANNUAL MEAN | 53.7 | 82.3 | 50.4 | |||
HIGHEST ANNUAL MEAN | 131 | 1993 | ||||
LOWEST ANNUAL MEAN | 13.6 | 1964 | ||||
HIGHEST DAILY MEAN | 3330 | Feb 21 | 531 | Mar 18 | 3330 | Feb 21 1997 |
LOWEST DAILY MEAN | 5.7 | Aug 8 | 4.1 | Sep 28 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 7.0 | Aug 2 | 4.7 | Sep 7 | .11 | Oct 6 1963 |
INSTANTANEOUS PEAK FLOW | 653 | Mar 18 | 6540 B | Jun 22 1974 | ||
INSTANTANEOUS PEAK STAGE | 19.10 | Mar 18 | 23.81 C | Jun 22 1974 | ||
INSTANTANEOUS LOW FLOW | 3.0 | Sep 28 | ||||
ANNUAL RUNOFF (CFSM) | .86 | 1.31 | .80 | |||
ANNUAL RUNOFF (INCHES) | 11.64 | 17.81 | 10.92 | |||
10 PERCENT EXCEEDS | 79 | 181 | 106 | |||
50 PERCENT EXCEEDS | 28 | 65 | 23 | |||
90 PERCENT EXCEEDS | 9.6 | 9.1 | 2.7 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |