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 | .00 | .00 | 8.6 | 1.5 | 7.5 | 16 | 119 | 40 | 12 | 27 | 23 | 3.9 |
2 | .00 | .00 | 3.0 | 1.3 | 6.8 | 14 | 49 | 48 | 11 | 20 | 17 | 3.6 |
3 | .00 | .00 | 1.4 | 1.3 | 6.2 | 12 | 229 | 545 | 10 | 18 | 15 | 3.5 |
4 | .00 | .00 | .72 | 1.5 | 5.7 | 13 | 399 | 212 | 11 | 17 | 169 | 2.5 |
5 | .00 | .05 | .60 | 4.3 | 5.5 | 16 | 88 | 57 | 23 | 17 | 2880 | 1.8 |
6 | .00 | .20 | .41 | 28 | 5.4 | 13 | 54 | 39 | 20 | 16 | 260 | 1.5 |
7 | .00 | .10 | .39 | 15 | 5.3 | 11 | 43 | 53 | 14 | 129 | 80 | e1.1 |
8 | .00 | .04 | .39 | 385 | 5.0 | 284 | 37 | 121 | 47 | 46 | 49 | e.90 |
9 | .00 | .03 | e.50 | 143 | 4.6 | 331 | 32 | 39 | 277 | 18 | 27 | e.80 |
10 | .00 | .03 | e.65 | 31 | 4.4 | 95 | 28 | 27 | 43 | 391 | 18 | e.70 |
11 | .00 | .06 | e.90 | 17 | 7.8 | 31 | 25 | 21 | 199 | 83 | 13 | e.64 |
12 | .00 | .06 | e.65 | 13 | 21 | 22 | 24 | 17 | 371 | 23 | 10 | e.58 |
13 | .00 | .08 | e.50 | 11 | 13 | 24 | 27 | 240 | 58 | 18 | 7.7 | e.54 |
14 | .00 | .13 | e.45 | 8.4 | 8.7 | 51 | 54 | 37 | 92 | 16 | 6.5 | e.50 |
15 | .00 | .14 | e.40 | 9.2 | 7.3 | 28 | 249 | 20 | 106 | 15 | 5.4 | e1.7 |
16 | .00 | .13 | e.36 | 8.8 | 17 | 21 | 292 | 16 | 1470 | 15 | 3.8 | e1.1 |
17 | .00 | .07 | e.33 | e7.0 | 237 | 286 | 66 | 14 | 241 | 13 | 4.4 | e1.4 |
18 | .00 | .03 | e.30 | e6.0 | 290 | 486 | 35 | 12 | 50 | 13 | 212 | e1.9 |
19 | .00 | .03 | e.27 | e5.4 | 64 | 158 | 28 | 11 | 421 | 12 | 70 | e1.3 |
20 | .00 | .03 | e.25 | e4.8 | 39 | 1620 | 25 | 10 | 56 | 12 | 15 | e1.1 |
21 | .00 | .09 | e.50 | e4.8 | 29 | 956 | 23 | 10 | 61 | 11 | 7.4 | 1.0 |
22 | .00 | .07 | e1.2 | e5.0 | 21 | 179 | 21 | 494 | 238 | 108 | 5.1 | .92 |
23 | .00 | .03 | 3.8 | e5.4 | 18 | 89 | 19 | 114 | 145 | 334 | 4.0 | .79 |
24 | .00 | .00 | 8.2 | 5.8 | 15 | 51 | 18 | 227 | 79 | 29 | 3.4 | .74 |
25 | .00 | .02 | 22 | 5.8 | 13 | 33 | 17 | 71 | 27 | 20 | 3.0 | 35 |
26 | .00 | .06 | 8.3 | 5.6 | 12 | 41 | 16 | 44 | 22 | 17 | 3.0 | 9.8 |
27 | .00 | .10 | 3.7 | 7.5 | 66 | 61 | 14 | 26 | 19 | 16 | 2.7 | 2.4 |
28 | .00 | .06 | 2.3 | 13 | 29 | 1050 | 15 | 20 | 17 | 15 | 2.7 | .98 |
29 | .00 | .13 | 1.8 | 15 | --- | 166 | 103 | 17 | 57 | 14 | 2.6 | .98 |
30 | .00 | .69 | 1.8 | 11 | --- | 73 | 45 | 15 | 154 | 93 | 2.5 | .82 |
31 | .00 | --- | 1.6 | 8.5 | --- | 83 | --- | 13 | --- | 58 | 3.7 | --- |
TOTAL | 0.00 | 2.46 | 76.27 | 789.9 | 964.2 | 6314 | 2194 | 2630 | 4351 | 1634 | 3925.9 | 84.49 |
MEAN | .000 | .082 | 2.46 | 25.5 | 34.4 | 204 | 73.1 | 84.8 | 145 | 52.7 | 127 | 2.82 |
MAX | .00 | .69 | 22 | 385 | 290 | 1620 | 399 | 545 | 1470 | 391 | 2880 | 35 |
MIN | .00 | .00 | .25 | 1.3 | 4.4 | 11 | 14 | 10 | 10 | 11 | 2.5 | .50 |
CFSM | .00 | .00 | .04 | .46 | .62 | 3.67 | 1.32 | 1.53 | 2.61 | .95 | 2.28 | .05 |
IN. | .00 | .00 | .05 | .53 | .65 | 4.23 | 1.47 | 1.76 | 2.92 | 1.10 | 2.63 | .06 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1964 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 13.2 | 25.2 | 57.5 | 56.0 | 64.0 | 78.5 | 76.5 | 57.3 | 35.2 | 18.4 | 10.9 | 13.8 |
MAX | 192 | 193 | 256 | 279 | 222 | 313 | 347 | 303 | 203 | 176 | 127 | 181 |
(WY) | 1970 | 1994 | 1983 | 1974 | 1982 | 1978 | 1994 | 1990 | 1973 | 1982 | 1998 | 1993 |
MIN | .000 | .082 | .049 | .16 | 1.96 | 8.86 | 4.40 | 1.36 | .13 | .000 | .000 | .000 |
(WY) | 1964 | 1998 | 1977 | 1977 | 1978 | 1972 | 1986 | 1988 | 1988 | 1964 | 1988 | 1964 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1964 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 8027.74 | 22966.22 | ||||
ANNUAL MEAN | 22.0 | 62.9 | 42.1 | |||
HIGHEST ANNUAL MEAN | 99.7 | 1974 | ||||
LOWEST ANNUAL MEAN | 6.76 | 1992 | ||||
HIGHEST DAILY MEAN | 1560 | Feb 27 | 2880 | Aug 5 | 2880 | Aug 5 1998 |
LOWEST DAILY MEAN | .00 | Many days | .00 | Many days | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .00 | Oct 1 | .00 | Oct 1 | .00 | Oct 1 1963 |
INSTANTANEOUS PEAK FLOW | 5030 | Aug 5 | 5910 B | Dec 7 1966 | ||
INSTANTANEOUS PEAK STAGE | 14.75 | Aug 5 | 14.75 | Aug 5 1998 | ||
ANNUAL RUNOFF (CFSM) | .40 | 1.13 | .76 | |||
ANNUAL RUNOFF (INCHES) | 5.38 | 15.39 | 10.31 | |||
10 PERCENT EXCEEDS | 33 | 149 | 61 | |||
50 PERCENT EXCEEDS | 2.5 | 12 | 4.8 | |||
90 PERCENT EXCEEDS | .01 | .01 | .08 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |