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 | 5.5 | 8.8 | 17 | e31 | 211 | 106 | 157 | 93 | 60 | 92 | 6.8 | e2.8 |
2 | 5.0 | 8.2 | 13 | 40 | 246 | 94 | 133 | 87 | 62 | 71 | 7.2 | e2.6 |
3 | 4.9 | 8.4 | 12 | 58 | 188 | 87 | 118 | 78 | 59 | 62 | 7.6 | e2.4 |
4 | 4.8 | 8.5 | 13 | 73 | 148 | 79 | 104 | 69 | 57 | 60 | 9.8 | e2.2 |
5 | 4.5 | 8.8 | 11 | 160 | 119 | 72 | 95 | 67 | 55 | 53 | 12 | e2.1 |
6 | 4.3 | 18 | 9.6 | 228 | 101 | 69 | 91 | 150 | 50 | 47 | 11 | e2.3 |
7 | 4.1 | 24 | 8.3 | 215 | 91 | 68 | 94 | 606 | 48 | 145 | 11 | e2.0 |
8 | 4.3 | 21 | 7.7 | 425 | 83 | 134 | 170 | 1810 | 47 | 230 | 10 | e1.7 |
9 | 4.2 | 19 | 8.3 | 464 | 76 | 283 | 151 | 710 | 100 | 101 | 9.5 | e1.5 |
10 | 4.1 | 17 | 9.2 | 303 | 73 | 215 | 138 | 342 | 101 | 73 | 8.8 | e1.4 |
11 | 5.0 | 15 | 8.3 | 191 | 357 | 155 | 119 | 241 | 263 | 57 | 7.7 | e1.4 |
12 | 5.7 | 14 | 7.1 | 144 | 567 | 124 | 106 | 190 | 605 | 48 | 8.1 | e1.5 |
13 | 8.0 | 14 | 7.6 | 113 | 283 | 115 | 103 | 156 | 237 | 42 | 6.8 | e1.6 |
14 | 7.8 | 14 | 7.6 | 101 | 194 | 116 | 110 | 136 | 169 | 37 | 6.3 | e1.8 |
15 | 6.8 | 13 | 7.1 | 91 | 154 | 110 | 105 | 127 | 149 | 32 | 5.8 | e2.0 |
16 | 6.5 | 12 | 6.8 | 82 | 133 | 101 | 114 | 116 | 165 | 28 | 5.7 | e2.3 |
17 | 5.8 | 11 | 7.9 | 74 | 132 | 444 | 95 | 105 | 317 | 24 | 5.9 | e1.9 |
18 | 6.5 | 11 | 9.5 | 65 | 162 | 1390 | 85 | 101 | 191 | 21 | 13 | e1.8 |
19 | 6.8 | 11 | 13 | 60 | 144 | 671 | 81 | 97 | 175 | 19 | 8.3 | e1.7 |
20 | 6.6 | 10 | 15 | 56 | 126 | 439 | 82 | 93 | 140 | 17 | 6.1 | e1.7 |
21 | 6.7 | 10 | 15 | 54 | 111 | 540 | 106 | 89 | 119 | 15 | 5.7 | e1.5 |
22 | 6.1 | 9.0 | 15 | 51 | 101 | 545 | 121 | 88 | 105 | 19 | 4.7 | e1.5 |
23 | 6.5 | 7.9 | 16 | 49 | 94 | 297 | 105 | 83 | 96 | 16 | 4.5 | 1.3 |
24 | 7.6 | 7.1 | 22 | 46 | 88 | 209 | 94 | 97 | 86 | 13 | 4.2 | 1.3 |
25 | 7.5 | 7.1 | 31 | 44 | 83 | 169 | 88 | 89 | 78 | 11 | 4.0 | 1.5 |
26 | 8.1 | 7.3 | 29 | 43 | 83 | 144 | 82 | 80 | 71 | 9.7 | 3.7 | .92 |
27 | 9.7 | 7.5 | 28 | 42 | 128 | 122 | 70 | 76 | 65 | 8.8 | 3.4 | .88 |
28 | 10 | 18 | 31 | 45 | 127 | 153 | 67 | 71 | 59 | 8.3 | 4.1 | .85 |
29 | 9.5 | 28 | e33 | 70 | --- | 151 | 74 | 70 | 75 | 7.8 | 4.3 | .88 |
30 | 9.0 | 23 | e30 | 97 | --- | 131 | 75 | 67 | 147 | 7.2 | 3.7 | .86 |
31 | 8.2 | --- | e27 | 114 | --- | 125 | --- | 68 | --- | 6.9 | 3.0 | --- |
TOTAL | 200.1 | 391.6 | 476.0 | 3629 | 4403 | 7458 | 3133 | 6252 | 3951 | 1381.7 | 212.7 | 50.19 |
MEAN | 6.45 | 13.1 | 15.4 | 117 | 157 | 241 | 104 | 202 | 132 | 44.6 | 6.86 | 1.67 |
MAX | 10 | 28 | 33 | 464 | 567 | 1390 | 170 | 1810 | 605 | 230 | 13 | 2.8 |
MIN | 4.1 | 7.1 | 6.8 | 31 | 73 | 68 | 67 | 67 | 47 | 6.9 | 3.0 | .85 |
CFSM | .07 | .14 | .16 | 1.25 | 1.67 | 2.56 | 1.11 | 2.15 | 1.40 | .47 | .07 | .02 |
IN. | .08 | .16 | .19 | 1.44 | 1.74 | 2.95 | 1.24 | 2.48 | 1.57 | .55 | .08 | .02 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1950 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 4.68 | 14.1 | 14.6 | 54.2 | 93.0 | 93.1 | 131 | 82.0 | 113 | 69.3 | 16.3 | 3.00 |
MAX | 23.9 | 129 | 68.9 | 229 | 274 | 241 | 237 | 202 | 217 | 392 | 106 | 11.4 |
(WY) | 1952 | 1952 | 1950 | 1950 | 1951 | 1998 | 1950 | 1998 | 1960 | 1951 | 1958 | 1951 |
MIN | .22 | .58 | .94 | 1.14 | 4.14 | 4.19 | 5.30 | 13.5 | 9.12 | 5.38 | 1.35 | .14 |
(WY) | 1957 | 1957 | 1957 | 1956 | 1957 | 1956 | 1956 | 1958 | 1956 | 1997 | 1957 | 1956 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1950 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 14613.47 | 31538.29 | ||||
ANNUAL MEAN | 40.0 | 86.4 | 57.0 | |||
HIGHEST ANNUAL MEAN | 114 | 1951 | ||||
LOWEST ANNUAL MEAN | 7.20 | 1956 | ||||
HIGHEST DAILY MEAN | 1970 | Feb 27 | 1810 | May 8 | 6460 | Jul 9 1951 |
LOWEST DAILY MEAN | .22 | Aug 8 | .85 A | Sep 28 | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | .42 | Aug 3 | 1.0 | Sep 24 | .00 | Sep 7 1959 |
INSTANTANEOUS PEAK FLOW | 2510 | May 8 | 10900 C | Jul 9 1951 | ||
INSTANTANEOUS PEAK STAGE | 11.79 | May 8 | 15.15 D | Jul 9 1951 | ||
INSTANTANEOUS LOW FLOW | .80 A | Sep 27-28 | ||||
ANNUAL RUNOFF (CFSM) | .43 | .92 | .61 | |||
ANNUAL RUNOFF (INCHES) | 5.79 | 12.49 | 8.25 | |||
10 PERCENT EXCEEDS | 84 | 172 | 134 | |||
50 PERCENT EXCEEDS | 13 | 48 | 13 | |||
90 PERCENT EXCEEDS | 3.4 | 4.1 | .80 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |