DISCHARGE: October 1967 to current year. |
STAGE: Water years 1994-2000. |
CHEMICAL: Water years 1979-91. Additional chemical data for water years 1961, 1964, 1969-77 are published in Water-Resources Investigations 78-24 and 79-25 as site AK 02. |
SEDIMENT: January 1980 to September 1981. |
SPECIFIC CONDUCTANCE: Water years 1980-81. |
WATER TEMPERATURE: Water years 1980-81. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | .00 | .01 | .02 | 2.5 | e4.8 | 50 | 20 | 28 | 16 | 8.0 | 2.0 | 1.5 |
2 | .00 | .02 | .02 | 2.8 | e4.7 | 38 | 21 | 23 | 12 | 7.3 | 1.8 | 1.4 |
3 | .00 | .02 | .02 | 2860 | e4.5 | 35 | 21 | 19 | 9.9 | 6.4 | 1.7 | 1.4 |
4 | .00 | .01 | .03 | 300 | e5.0 | 33 | 19 | 16 | 8.7 | 5.6 | 2.1 | 1.3 |
5 | .00 | .00 | .03 | 57 | 5.9 | 28 | 17 | 14 | 7.8 | 4.9 | 15 | 1.1 |
6 | .00 | .00 | .02 | 29 | 5.6 | 24 | 16 | 14 | 7.1 | 4.3 | 9.4 | 1.1 |
7 | .00 | .00 | .03 | 18 | 5.5 | 21 | 16 | 13 | 6.4 | 4.1 | 5.2 | 1.0 |
8 | .00 | .00 | .04 | 14 | 5.3 | 19 | 17 | 12 | 5.7 | 3.7 | 4.7 | 1.0 |
9 | .05 | .00 | .04 | 11 | 5.3 | 18 | 15 | 12 | 5.2 | 3.5 | 4.0 | 1.1 |
10 | .00 | .00 | 1.4 | 10 | 5.0 | 16 | 15 | 18 | 4.7 | 3.4 | 3.2 | 1.1 |
11 | .00 | .00 | 2.2 | 9.6 | 4.8 | 16 | 15 | 14 | 4.5 | 3.1 | 2.4 | 1.2 |
12 | .00 | .00 | 16 | 9.4 | 5.2 | 18 | 14 | 12 | 4.6 | 3.0 | 2.1 | 1.4 |
13 | .00 | .00 | 26 | 8.8 | 9.9 | 18 | 13 | 12 | 4.4 | 3.0 | 1.8 | 1.4 |
14 | .00 | .01 | 187 | 8.0 | 34 | 18 | 13 | 11 | 4.3 | 2.9 | 1.7 | 1.3 |
15 | .00 | .00 | 31 | 7.5 | 23 | 18 | 13 | 9.8 | 4.4 | 2.8 | 1.6 | 1.2 |
16 | .00 | .00 | 14 | 6.9 | 16 | 391 | 13 | 9.0 | 4.4 | 2.7 | 1.4 | 1.1 |
17 | .00 | .00 | 8.6 | 6.8 | 14 | 155 | 18 | 8.6 | 362 | 2.5 | 1.4 | 1.1 |
18 | .00 | .01 | 6.7 | 7.0 | 807 | 75 | 19 | 8.6 | 566 | 2.5 | 1.3 | .97 |
19 | .00 | .02 | 5.5 | 7.0 | 274 | 108 | 19 | 8.4 | 122 | 4.0 | 1.2 | .98 |
20 | .00 | .02 | 4.8 | 6.6 | 70 | 636 | 17 | 8.2 | 42 | 2.6 | 1.4 | .99 |
21 | .00 | .03 | 3.7 | 6.3 | 36 | 142 | 15 | 8.2 | 40 | 2.5 | 1.3 | .97 |
22 | .00 | .04 | 3.7 | 6.4 | 26 | 73 | 14 | 7.6 | 32 | 2.4 | 1.3 | 1.0 |
23 | .00 | .04 | 3.7 | 6.3 | 21 | 51 | 14 | 11 | 19 | 2.2 | 1.3 | 1.0 |
24 | .00 | .03 | 3.5 | 6.2 | 409 | 41 | 19 | 33 | 24 | 2.1 | 1.3 | 1.1 |
25 | .00 | .04 | 3.4 | e5.8 | 102 | 33 | 67 | 24 | 23 | 2.1 | 1.2 | 4.0 |
26 | .00 | .02 | 3.2 | e5.4 | 501 | 28 | 43 | 149 | 14 | 1.9 | 1.4 | 4.7 |
27 | .00 | .02 | 3.0 | e5.2 | 554 | 30 | 87 | 215 | 13 | 1.9 | 1.6 | 2.6 |
28 | .00 | .02 | 2.9 | e5.0 | 128 | 29 | 213 | 100 | 17 | 1.8 | 1.7 | 1.7 |
29 | .00 | .02 | 2.7 | e4.8 | 67 | 25 | 65 | 43 | 12 | 1.8 | 1.7 | 1.2 |
30 | .00 | .02 | 2.7 | e4.5 | --- | 24 | 37 | 29 | 10 | 1.9 | 1.6 | .93 |
31 | .00 | --- | 2.5 | e4.7 | --- | 22 | --- | 20 | --- | 2.0 | 1.6 | --- |
TOTAL | 0.05 | 0.40 | 338.45 | 3442.5 | 3153.5 | 2233 | 905 | 910.4 | 1406.1 | 102.9 | 81.4 | 42.84 |
MEAN | .002 | .013 | 10.9 | 111 | 109 | 72.0 | 30.2 | 29.4 | 46.9 | 3.32 | 2.63 | 1.43 |
MAX | .05 | .04 | 187 | 2860 | 807 | 636 | 213 | 215 | 566 | 8.0 | 15 | 4.7 |
MIN | .00 | .00 | .02 | 2.5 | 4.5 | 16 | 13 | 7.6 | 4.3 | 1.8 | 1.2 | .93 |
CFSM | .00 | .00 | .25 | 2.59 | 2.53 | 1.68 | .70 | .68 | 1.09 | .08 | .06 | .03 |
IN. | .00 | .00 | .29 | 2.99 | 2.73 | 1.94 | .78 | .79 | 1.22 | .09 | .07 | .04 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 5.76 | 44.5 | 81.1 | 84.0 | 99.9 | 129 | 121 | 81.7 | 34.5 | 15.9 | 10.6 | 5.12 |
MAX | 59.5 | 216 | 377 | 265 | 287 | 306 | 408 | 266 | 153 | 89.9 | 174 | 75.0 |
(WY) | 1986 | 1986 | 1983 | 1969 | 1989 | 1979 | 1983 | 1990 | 1970 | 1989 | 1985 | 1985 |
MIN | .000 | .013 | .14 | .77 | 5.31 | 28.2 | 20.6 | 4.05 | .22 | .14 | .034 | .000 |
(WY) | 1988 | 2000 | 1977 | 1981 | 1996 | 1981 | 1986 | 1988 | 1988 | 1978 | 1988 | 1999 |
SUMMARY STATISTICS | FOR 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1968 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 16566.78 | 12616.54 | ||||
ANNUAL MEAN | 45.4 | 34.5 | 59.3 | |||
HIGHEST ANNUAL MEAN | 114 | 1983 | ||||
LOWEST ANNUAL MEAN | 20.1 | 1987 | ||||
HIGHEST DAILY MEAN | 2300 A | Jan 22 | 2860 | Jan 3 | 4670 | Aug 24 1985 |
LOWEST DAILY MEAN | .00 | Many days | .00 | Many days | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | .00 | Sep 1 | .00 | Oct 1 | .00 | Aug 25 1968 |
INSTANTANEOUS PEAK FLOW | 5660 | Jan 3 | 16100 C | Aug 24 1985 | ||
INSTANTANEOUS PEAK STAGE | 17.56 | Jan 3 | 27.78 | Aug 24 1985 | ||
ANNUAL RUNOFF (CFSM) | 1.06 | .80 | 1.38 | |||
ANNUAL RUNOFF (INCHES) | 14.37 | 10.94 | 18.77 | |||
10 PERCENT EXCEEDS | 88 | 40 | 116 | |||
50 PERCENT EXCEEDS | 3.3 | 4.8 | 9.1 | |||
90 PERCENT EXCEEDS | .00 | .00 | .10 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |