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 | e.14 | e.45 | 48 | e16 | 47 | 84 | 183 | 117 | 42 | 76 | 5.8 | 1.5 |
2 | e.13 | e.28 | 23 | 15 | 41 | 75 | 132 | 102 | 39 | 55 | 4.5 | 1.5 |
3 | e.12 | e.23 | 12 | 14 | 34 | 70 | 336 | 1080 | 34 | 45 | 4.3 | 1.5 |
4 | e.12 | e.20 | 8.4 | 13 | 34 | 65 | 905 | 761 | 34 | 41 | 15 | 1.3 |
5 | e.11 | e.35 | 5.5 | 19 | 36 | 62 | 299 | 256 | 50 | 36 | 332 | 1.1 |
6 | e.11 | .73 | 3.7 | 83 | 34 | 57 | 184 | 171 | 36 | 51 | 61 | 1.0 |
7 | e.10 | .53 | 2.9 | 79 | 30 | 55 | 145 | 235 | 31 | 214 | 48 | .94 |
8 | e.10 | .37 | 2.5 | 843 | 29 | 255 | 121 | 263 | 37 | 139 | 31 | .89 |
9 | e.15 | .34 | 2.5 | 589 | 27 | 586 | 101 | 153 | 279 | 63 | 20 | .89 |
10 | e.20 | .33 | 4.6 | 191 | 25 | 259 | 83 | 118 | 154 | 59 | 16 | .71 |
11 | e.18 | .31 | 16 | 124 | 37 | 140 | 68 | 97 | 301 | 43 | 13 | .70 |
12 | e.16 | .31 | 17 | 95 | 41 | 105 | 62 | 85 | 508 | 34 | 7.2 | .72 |
13 | e.27 | .36 | 11 | 71 | 32 | e90 | 73 | 73 | 1090 | 31 | 4.6 | .74 |
14 | e.23 | .46 | 8.7 | 59 | 31 | e95 | 121 | 61 | 295 | 25 | 4.2 | .70 |
15 | e.21 | .41 | 6.2 | e50 | 29 | 102 | 212 | 58 | 212 | 23 | 4.5 | .68 |
16 | e.19 | .35 | 4.8 | e45 | 47 | 91 | 205 | 52 | 802 | 23 | 4.6 | .70 |
17 | e.18 | e.31 | 4.6 | e37 | 372 | 468 | 124 | 44 | 312 | 21 | 3.3 | .74 |
18 | e.17 | e.27 | 3.9 | e32 | 377 | 767 | 97 | 41 | 213 | 24 | 3.4 | .56 |
19 | e.17 | e.25 | 3.2 | e28 | 186 | 291 | 86 | 38 | 818 | 21 | 3.5 | .45 |
20 | e.16 | e.24 | 2.6 | e27 | 151 | 1640 | 77 | 36 | 177 | 16 | 2.8 | .56 |
21 | e.16 | e.43 | 2.9 | 30 | 121 | 1240 | 78 | 36 | 147 | 14 | 2.5 | .64 |
22 | e.15 | e.35 | 5.5 | 32 | 103 | 372 | 65 | 48 | 544 | 30 | 2.2 | .62 |
23 | e.15 | e.30 | 29 | 32 | 89 | 214 | 59 | 848 | 538 | 31 | 2.3 | .54 |
24 | e.14 | e.27 | 30 | 30 | 76 | 159 | 54 | 347 | 207 | 14 | 2.1 | .60 |
25 | e.14 | e.28 | 75 | 28 | 68 | 134 | 51 | 184 | 118 | 9.8 | 1.7 | .66 |
26 | e.35 | e.45 | 52 | 32 | 67 | 117 | 49 | 133 | 90 | 8.1 | 1.5 | .51 |
27 | e.25 | e1.0 | 36 | 61 | 134 | 118 | 42 | 98 | 75 | 7.6 | 1.7 | .50 |
28 | e.22 | e.60 | 29 | 87 | 96 | 1540 | 40 | 79 | 62 | 6.9 | 1.2 | .56 |
29 | e.20 | e.45 | 25 | 77 | --- | 640 | 137 | 67 | 148 | 7.0 | 1.3 | .64 |
30 | e.18 | e15 | e21 | 59 | --- | 227 | 156 | 59 | 214 | 8.2 | 1.4 | .62 |
31 | e.17 | --- | e18 | 50 | --- | 189 | --- | 52 | --- | 7.7 | 1.4 | --- |
TOTAL | 5.31 | 26.21 | 514.5 | 2948 | 2394 | 10307 | 4345 | 5792 | 7607 | 1184.3 | 608.0 | 23.77 |
MEAN | .17 | .87 | 16.6 | 95.1 | 85.5 | 332 | 145 | 187 | 254 | 38.2 | 19.6 | .79 |
MAX | .35 | 15 | 75 | 843 | 377 | 1640 | 905 | 1080 | 1090 | 214 | 332 | 1.5 |
MIN | .10 | .20 | 2.5 | 13 | 25 | 55 | 40 | 36 | 31 | 6.9 | 1.2 | .45 |
CFSM | .00 | .01 | .18 | 1.02 | .92 | 3.57 | 1.56 | 2.01 | 2.72 | .41 | .21 | .01 |
IN. | .00 | .01 | .21 | 1.18 | .96 | 4.12 | 1.74 | 2.31 | 3.04 | .47 | .24 | .01 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 20.3 | 64.9 | 125 | 94.3 | 151 | 129 | 145 | 162 | 77.3 | 29.5 | 21.6 | 46.0 |
MAX | 131 | 305 | 480 | 343 | 874 | 332 | 460 | 602 | 254 | 187 | 227 | 633 |
(WY) | 1994 | 1986 | 1983 | 1982 | 1982 | 1998 | 1994 | 1996 | 1998 | 1993 | 1981 | 1993 |
MIN | .17 | .64 | .24 | 1.75 | 7.00 | 12.9 | 17.7 | 10.9 | 1.84 | 1.04 | .30 | .065 |
(WY) | 1998 | 1990 | 1990 | 1990 | 1992 | 1990 | 1986 | 1988 | 1988 | 1991 | 1988 | 1983 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1980 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 15781.26 | 35755.09 | ||||
ANNUAL MEAN | 43.2 | 98.0 | 88.3 | |||
HIGHEST ANNUAL MEAN | 163 | 1993 | ||||
LOWEST ANNUAL MEAN | 10.7 | 1992 | ||||
HIGHEST DAILY MEAN | 1880 | Feb 27 | 1640 | Mar 20 | 7460 | Sep 23 1993 |
LOWEST DAILY MEAN | .00 | A | .10 | B | .00 | C |
ANNUAL SEVEN-DAY MINIMUM | .04 | Sep 2 | .11 | Oct 2 | .00 | Sep 4 1983 |
INSTANTANEOUS PEAK FLOW | 1980 | Mar 20 | 11300 D | May 2 1983 | ||
INSTANTANEOUS PEAK STAGE | 10.54 | Mar 20 | 14.92 | Sep 23 1993 | ||
ANNUAL RUNOFF (CFSM) | .46 | 1.05 | .95 | |||
ANNUAL RUNOFF (INCHES) | 6.31 | 14.29 | 12.88 | |||
10 PERCENT EXCEEDS | 93 | 230 | 169 | |||
50 PERCENT EXCEEDS | 6.2 | 32 | 20 | |||
90 PERCENT EXCEEDS | .18 | .28 | .32 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |