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 | 3.8 | 5.4 | 31 | 9.0 | 37 | 103 | 308 | 247 | 37 | 122 | 42 | 51 |
2 | 3.0 | 6.6 | 11 | 12 | 35 | 80 | 198 | 393 | 33 | 62 | 26 | 101 |
3 | e2.5 | 4.8 | 8.1 | 11 | 32 | 71 | 486 | 332 | 29 | 45 | 21 | 34 |
4 | e2.3 | 5.0 | 7.0 | 12 | 31 | 66 | 956 | 262 | 227 | 47 | 85 | 20 |
5 | e2.1 | 8.1 | 5.6 | 40 | 30 | 65 | 314 | 158 | 469 | 42 | 914 | 15 |
6 | e2.0 | 18 | 4.2 | 80 | 29 | 64 | 207 | 117 | 158 | 63 | 413 | 12 |
7 | e1.9 | 14 | 3.7 | 132 | 27 | 58 | 167 | 218 | 85 | 306 | 173 | 11 |
8 | e1.9 | 8.7 | 3.5 | 1200 | 26 | 1160 | 140 | 171 | 281 | 137 | 288 | 9.4 |
9 | e1.8 | 4.9 | 3.8 | 808 | 26 | 1550 | 114 | 113 | 867 | 49 | 103 | 8.2 |
10 | e1.8 | e3.5 | 5.8 | 232 | 27 | 568 | 98 | 89 | 375 | 36 | 55 | 7.8 |
11 | e1.7 | e3.0 | 12 | 134 | 97 | 254 | 86 | 75 | 953 | 129 | 52 | 7.6 |
12 | e1.7 | e2.5 | 9.4 | 98 | 193 | 169 | 77 | 64 | 1740 | 45 | 73 | 7.8 |
13 | e3.5 | e2.3 | 7.0 | 77 | 123 | 156 | 102 | 62 | 830 | 30 | 32 | 7.9 |
14 | e2.8 | e3.5 | 5.6 | 63 | 74 | 148 | 151 | 56 | 1190 | 25 | 26 | 8.2 |
15 | e2.5 | 4.7 | 4.6 | 88 | 58 | 116 | 817 | 47 | 1480 | 23 | 24 | 8.6 |
16 | e2.2 | 4.4 | 4.6 | 78 | 84 | 101 | 873 | 43 | 882 | 22 | 33 | 9.9 |
17 | e1.9 | 4.3 | 4.2 | 61 | 633 | 361 | 323 | 38 | 943 | 20 | 44 | 42 |
18 | e1.7 | 4.5 | 3.8 | 51 | 1140 | 2140 | 186 | 35 | 231 | 18 | 407 | 14 |
19 | e1.6 | 5.0 | 3.6 | 43 | 361 | 883 | 142 | 32 | 169 | 19 | 156 | 11 |
20 | e1.5 | 4.6 | 3.5 | 46 | 231 | 3910 | 116 | 30 | 191 | 23 | 60 | 9.0 |
21 | 1.4 | 4.8 | 3.7 | 42 | 187 | 3140 | 102 | 43 | 2800 | 16 | 33 | 8.7 |
22 | 1.5 | 5.1 | 7.7 | 41 | 136 | 614 | 90 | 1100 | 1030 | 25 | 25 | 8.3 |
23 | 1.5 | 6.6 | 14 | 40 | 110 | 295 | 84 | 944 | 846 | 55 | 20 | 7.8 |
24 | 2.5 | 4.4 | 119 | 39 | 91 | 219 | 74 | 257 | 240 | 25 | 17 | 7.6 |
25 | 2.3 | 4.1 | 240 | 37 | 78 | 181 | 69 | 189 | 138 | 19 | 15 | 48 |
26 | 5.6 | 4.7 | 75 | 39 | 71 | 156 | 66 | 183 | 93 | 20 | 14 | 44 |
27 | 3.6 | 4.9 | 31 | 49 | 215 | 147 | 58 | 104 | 69 | 23 | 13 | 17 |
28 | 5.4 | 4.8 | 19 | 55 | 186 | 1640 | 66 | 75 | 54 | 19 | 12 | 12 |
29 | 3.6 | 6.6 | 15 | 55 | --- | 596 | 291 | 59 | 149 | 16 | 12 | 9.4 |
30 | 3.1 | 46 | 12 | 48 | --- | 258 | 462 | 50 | 262 | 435 | 12 | 8.2 |
31 | 2.9 | --- | 8.5 | 40 | --- | 247 | --- | 43 | --- | 127 | 12 | --- |
TOTAL | 77.6 | 209.8 | 686.9 | 3760.0 | 4368 | 19516 | 7223 | 5629 | 16851 | 2043 | 3212 | 566.4 |
MEAN | 2.50 | 6.99 | 22.2 | 121 | 156 | 630 | 241 | 182 | 562 | 65.9 | 104 | 18.9 |
MAX | 5.6 | 46 | 240 | 1200 | 1140 | 3910 | 956 | 1100 | 2800 | 435 | 914 | 101 |
MIN | 1.4 | 2.3 | 3.5 | 9.0 | 26 | 58 | 58 | 30 | 29 | 16 | 12 | 7.6 |
CFSM | .01 | .03 | .10 | .57 | .74 | 2.97 | 1.14 | .86 | 2.65 | .31 | .49 | .09 |
IN. | .01 | .04 | .12 | .66 | .77 | 3.42 | 1.27 | .99 | 2.96 | .36 | .56 | .10 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1969 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 42.1 | 104 | 183 | 165 | 213 | 312 | 344 | 207 | 130 | 46.2 | 27.2 | 42.9 |
MAX | 366 | 649 | 915 | 834 | 782 | 1120 | 1251 | 1006 | 562 | 206 | 104 | 486 |
(WY) | 1970 | 1986 | 1983 | 1974 | 1985 | 1978 | 1994 | 1990 | 1998 | 1981 | 1998 | 1993 |
MIN | .82 | 1.05 | 1.08 | 1.21 | 19.7 | 14.1 | 38.2 | 15.0 | 2.04 | 1.18 | 1.05 | .15 |
(WY) | 1996 | 1981 | 1990 | 1977 | 1980 | 1981 | 1976 | 1988 | 1988 | 1988 | 1991 | 1988 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1969 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 29842.6 | 64142.7 | ||||
ANNUAL MEAN | 81.8 | 176 | 151 | |||
HIGHEST ANNUAL MEAN | 297 | 1985 | ||||
LOWEST ANNUAL MEAN | 32.4 | 1980 | ||||
HIGHEST DAILY MEAN | 3420 | Feb 27 | 3910 | Mar 20 | 7680 | Apr 12 1979 |
LOWEST DAILY MEAN | 1.4 A | Oct 21 | 1.4 A | Oct 21 | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | 1.6 | Oct 17 | 1.6 | Oct 17 | .00 | Aug 29 1987 |
INSTANTANEOUS PEAK FLOW | 4550 | Mar 20 | 8200 | Apr 12 1979 | ||
INSTANTANEOUS PEAK STAGE | 16.65 | Mar 20 | 24.74 | Apr 12 1979 | ||
ANNUAL RUNOFF (CFSM) | .39 | .83 | .71 | |||
ANNUAL RUNOFF (INCHES) | 5.24 | 11.26 | 9.66 | |||
10 PERCENT EXCEEDS | 164 | 409 | 276 | |||
50 PERCENT EXCEEDS | 16 | 43 | 26 | |||
90 PERCENT EXCEEDS | 3.0 | 3.7 | 2.0 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |