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 | 2.9 | 36 | 26 | e9.5 | 171 | 60 | 45 | 153 | 126 | 49 | 3.3 | .53 |
2 | 6.0 | 36 | 24 | e9.0 | 254 | 63 | 42 | 134 | 620 | 40 | 2.2 | .50 |
3 | 8.4 | 33 | 24 | e8.3 | 234 | 66 | 41 | 120 | 296 | 37 | 1.9 | .66 |
4 | 4.3 | 30 | 23 | e7.5 | 181 | 61 | 44 | 110 | 199 | 33 | 1.4 | .38 |
5 | 18 | 28 | 22 | e6.6 | 143 | 60 | 36 | 107 | 156 | 29 | 1.3 | .34 |
6 | 10 | 26 | 66 | e8.0 | 124 | 49 | 40 | 213 | 128 | 27 | 1.4 | .27 |
7 | 8.0 | 24 | 225 | e9.1 | 119 | 56 | 33 | 213 | 114 | 22 | 2.0 | .21 |
8 | 5.9 | 23 | 145 | e9.5 | 108 | 50 | 39 | 155 | 102 | 20 | 1.6 | .24 |
9 | 5.0 | 25 | 105 | e9.5 | 108 | 47 | 60 | 125 | 96 | 26 | 1.5 | .13 |
10 | 3.7 | 178 | 87 | e9.5 | 115 | 64 | 43 | 112 | 92 | 21 | 2.1 | .07 |
11 | 3.1 | 178 | 75 | e9.5 | 165 | 53 | 44 | 114 | 144 | 16 | .85 | .00 |
12 | 2.6 | 113 | 68 | e9.5 | 280 | 46 | 35 | 386 | 260 | 14 | 2.2 | .67 |
13 | 2.5 | 93 | 62 | e9.5 | 162 | 45 | 35 | 542 | 704 | 12 | 1.7 | 1.4 |
14 | 2.0 | 81 | 55 | e9.5 | 122 | 46 | 36 | 321 | 849 | 11 | 1.3 | .45 |
15 | 3.3 | 67 | 52 | e9.5 | 107 | 54 | 49 | 221 | 358 | 9.5 | .93 | .22 |
16 | 2.5 | 63 | 50 | e9.6 | 98 | 88 | 321 | 173 | 229 | 8.2 | .69 | .24 |
17 | 121 | 51 | 47 | e9.6 | 89 | 222 | 309 | 184 | 174 | 9.5 | .35 | .18 |
18 | 411 | 47 | 45 | e9.6 | 80 | 220 | 192 | 154 | 142 | 7.4 | .26 | .16 |
19 | 240 | 47 | 40 | e9.6 | 73 | 139 | 145 | 126 | 124 | 9.2 | .46 | .86 |
20 | 138 | 41 | 34 | e11 | 65 | 112 | 121 | 116 | 111 | 6.5 | .43 | .68 |
21 | 103 | 37 | e27 | 44 | 59 | 98 | 135 | 109 | 100 | 85 | .28 | .32 |
22 | 79 | 37 | e25 | 389 | 56 | 82 | 299 | 104 | 102 | 66 | .23 | .14 |
23 | 65 | 36 | e23 | 721 | 55 | 74 | 741 | 95 | 100 | 25 | 3.4 | .03 |
24 | 54 | 31 | e20 | 643 | 51 | 69 | 507 | 89 | 90 | 19 | 30 | .00 |
25 | 47 | 33 | e16 | 424 | 50 | 60 | 313 | 81 | 76 | 13 | 8.2 | .01 |
26 | 42 | 30 | e15 | 264 | 46 | 57 | 227 | 73 | 68 | 14 | 4.6 | .03 |
27 | 42 | 27 | e13 | 226 | 60 | 55 | 231 | 69 | 63 | 9.0 | 3.2 | 31 |
28 | 52 | 27 | e12 | 286 | 65 | 54 | 331 | 69 | 58 | 7.0 | 2.1 | 157 |
29 | 51 | 28 | e11 | 186 | --- | 49 | 246 | 64 | 51 | 5.6 | 1.6 | 88 |
30 | 45 | 33 | e10 | 160 | --- | 46 | 184 | 62 | 46 | 5.4 | 1.0 | 44 |
31 | 38 | --- | e9.9 | 169 | --- | 46 | --- | 70 | --- | 4.1 | .78 | --- |
TOTAL | 1616.2 | 1539 | 1456.9 | 3695.4 | 3240 | 2291 | 4924 | 4664 | 5778 | 660.4 | 83.26 | 328.72 |
MEAN | 52.1 | 51.3 | 47.0 | 119 | 116 | 73.9 | 164 | 150 | 193 | 21.3 | 2.69 | 11.0 |
MAX | 411 | 178 | 225 | 721 | 280 | 222 | 741 | 542 | 849 | 85 | 30 | 157 |
MIN | 2.0 | 23 | 9.9 | 6.6 | 46 | 45 | 33 | 62 | 46 | 4.1 | .23 | .00 |
CFSM | .67 | .66 | .60 | 1.53 | 1.49 | .95 | 2.11 | 1.94 | 2.48 | .27 | .03 | .14 |
IN. | .77 | .74 | .70 | 1.77 | 1.55 | 1.10 | 2.36 | 2.23 | 2.77 | .32 | .04 | .16 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1926 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 25.8 | 61.6 | 61.5 | 46.1 | 76.6 | 103 | 111 | 95.7 | 86.9 | 60.3 | 38.2 | 31.3 |
MAX | 119 | 246 | 261 | 154 | 231 | 292 | 309 | 221 | 257 | 322 | 383 | 337 |
(WY) | 1927 | 1986 | 1983 | 1993 | 1997 | 1993 | 1993 | 1995 | 1993 | 1983 | 1987 | 1980 |
MIN | .23 | 1.43 | .93 | 5.25 | 6.14 | 12.3 | 18.6 | 11.4 | 9.97 | 1.52 | .51 | .33 |
(WY) | 1926 | 1998 | 1998 | 1982 | 1931 | 1996 | 1996 | 1931 | 1930 | 1988 | 1931 | 1988 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1926 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 29266.79 | 30276.88 | ||||
ANNUAL MEAN | 80.2 | 83.0 | 66.4 | |||
HIGHEST ANNUAL MEAN | 151 | 1993 | ||||
LOWEST ANNUAL MEAN | 13.4 | 1931 | ||||
HIGHEST DAILY MEAN | 713 | May 8 | 849 | Jun 14 | 2520 | Jul 3 1983 |
LOWEST DAILY MEAN | .38 | Sep 12 | .00 | Sep 11,24 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 1.2 | Sep 7 | .17 | Sep 20 | .03 | Sep 30 1931 |
INSTANTANEOUS PEAK FLOW | 1080 | Jun 13 | 3500 | Jul 2 1983 | ||
INSTANTANEOUS PEAK STAGE | 8.34 | Jun 13 | 15.80 B | Jul 2 1983 | ||
ANNUAL RUNOFF (CFSM) | 1.03 | 1.07 | .85 | |||
ANNUAL RUNOFF (INCHES) | 14.01 | 14.50 | 11.61 | |||
10 PERCENT EXCEEDS | 181 | 216 | 163 | |||
50 PERCENT EXCEEDS | 52 | 46 | 29 | |||
90 PERCENT EXCEEDS | 2.5 | 1.2 | 1.9 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |