DISCHARGE: October 1967 to current year. |
STAGE: Water years 1994-2001. |
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 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | .81 | e.03 | 5.4 | e6.5 | 36 | 38 | 26 | 7.7 | 4.0 | .66 | 7.7 | 92 |
2 | .74 | e.02 | 5.4 | e6.0 | 30 | 33 | 63 | 7.4 | 4.0 | .56 | 4.3 | 28 |
3 | .64 | e.02 | 5.4 | e5.5 | 27 | 29 | 1010 | 7.1 | 3.5 | .48 | 4.0 | 15 |
4 | .63 | e.00 | 5.2 | e5.0 | 21 | 164 | 217 | 7.7 | 3.5 | .49 | 3.2 | 10 |
5 | .50 | e.00 | 4.7 | e4.7 | 19 | 121 | 105 | 6.5 | 2.9 | .47 | 3.0 | 8.1 |
6 | .53 | .16 | 4.5 | e4.4 | 17 | 61 | 65 | 5.7 | 2.6 | .35 | 2.3 | 5.4 |
7 | .43 | .17 | 4.3 | e9.0 | 16 | 43 | 48 | 6.0 | 2.7 | .28 | 2.1 | 4.8 |
8 | .37 | 4.9 | 4.2 | e25 | 15 | 35 | 38 | 5.4 | 2.2 | .27 | 2.1 | 4.8 |
9 | .32 | 60 | 4.1 | e60 | 53 | 30 | 33 | 4.8 | 1.9 | .27 | 11 | 5.8 |
10 | .29 | 10 | 4.1 | e40 | 128 | 26 | 29 | 4.7 | 2.0 | .25 | 25 | 6.1 |
11 | .27 | 6.0 | 204 | e28 | 48 | 23 | 25 | 4.4 | 1.7 | .22 | 42 | 4.8 |
12 | .27 | 4.2 | 114 | e22 | 34 | 44 | 23 | 4.2 | 1.6 | .21 | 28 | 4.0 |
13 | .25 | 4.2 | 33 | e32 | 29 | 259 | 20 | 3.7 | 1.4 | .19 | 12 | 3.6 |
14 | .24 | 3.8 | 40 | e70 | 69 | 87 | 18 | 3.0 | 1.4 | .17 | 8.0 | 3.2 |
15 | .24 | 3.7 | 29 | e230 | 383 | 59 | 19 | 3.2 | 1.3 | .17 | 5.6 | 3.0 |
16 | .26 | 3.5 | 870 | e120 | 446 | 96 | 18 | 3.1 | 1.2 | .17 | 4.2 | 2.9 |
17 | .24 | 3.3 | e200 | e60 | 223 | 67 | 16 | 3.1 | 1.1 | .17 | 3.5 | 2.6 |
18 | .22 | 3.0 | e100 | e30 | 87 | 47 | 15 | 3.2 | .99 | .20 | 3.4 | 2.3 |
19 | .19 | 2.9 | e60 | e20 | 54 | 39 | 14 | 3.4 | .85 | .21 | 16 | 35 |
20 | .19 | 2.7 | e40 | e14 | 39 | 34 | 14 | 3.3 | 1.1 | .21 | 12 | 13 |
21 | .17 | 2.6 | e32 | e12 | 32 | 31 | 13 | 5.1 | 3.6 | .20 | 6.7 | 6.8 |
22 | .15 | 2.6 | e26 | e10 | 39 | 27 | 12 | 4.6 | 4.3 | .22 | 4.8 | 4.3 |
23 | .12 | 2.6 | e21 | e9.5 | 41 | 24 | 12 | 4.4 | 2.4 | 4.8 | 3.9 | 4.0 |
24 | .12 | 2.8 | e18 | e9.0 | 83 | 21 | 14 | 4.0 | 1.7 | 3.0 | 3.4 | 3.5 |
25 | .12 | 31 | e16 | e8.5 | 593 | 18 | 12 | 3.6 | 1.4 | 2.0 | 3.1 | 3.3 |
26 | .11 | 26 | e14 | e8.0 | 136 | 17 | 12 | 3.4 | 1.2 | 403 | 3.1 | 3.0 |
27 | e.09 | 14 | e12 | e8.0 | 70 | 16 | 11 | 3.0 | 1.1 | 39 | 4.2 | 2.3 |
28 | e.08 | 9.8 | e10 | e7.5 | 47 | 16 | 11 | 2.7 | .85 | 16 | 3.3 | 2.2 |
29 | e.06 | 7.4 | e9.0 | 17 | --- | 16 | 8.6 | 2.6 | .79 | 50 | 2.8 | 2.2 |
30 | e.05 | 6.2 | e8.0 | 101 | --- | 18 | 8.2 | 2.3 | .75 | 26 | 2.4 | 2.2 |
31 | e.04 | --- | e7.0 | 61 | --- | 24 | --- | 3.1 | --- | 11 | 272 | --- |
TOTAL | 8.74 | 217.60 | 1910.3 | 1043.6 | 2815 | 1563 | 1929.8 | 136.4 | 60.03 | 561.22 | 509.1 | 288.2 |
MEAN | .28 | 7.25 | 61.6 | 33.7 | 101 | 50.4 | 64.3 | 4.40 | 2.00 | 18.1 | 16.4 | 9.61 |
MAX | .81 | 60 | 870 | 230 | 593 | 259 | 1010 | 7.7 | 4.3 | 403 | 272 | 92 |
MIN | .04 | .00 | 4.1 | 4.4 | 15 | 16 | 8.2 | 2.3 | .75 | .17 | 2.1 | 2.2 |
CFSM | .01 | .17 | 1.44 | .78 | 2.34 | 1.18 | 1.50 | .10 | .05 | .42 | .38 | .22 |
IN. | .01 | .19 | 1.66 | .90 | 2.44 | 1.36 | 1.67 | .12 | .05 | .49 | .44 | .25 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 5.60 | 43.4 | 80.5 | 82.6 | 99.9 | 127 | 120 | 79.4 | 33.5 | 16.0 | 10.8 | 5.25 |
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 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1968 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 14414.28 | 11042.99 | ||||
ANNUAL MEAN | 39.4 | 30.3 | 58.4 | |||
HIGHEST ANNUAL MEAN | 114 | 1983 | ||||
LOWEST ANNUAL MEAN | 20.1 | 1987 | ||||
HIGHEST DAILY MEAN | 2860 | Jan 3 | 1010 | Apr 3 | 4670 | Aug 24 1985 |
LOWEST DAILY MEAN | .00 A | Nov 4,5 | .00 A | Nov 4,5 | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | .02 | Oct 30 | .02 | Oct 30 | .00 | Aug 25 1968 |
MAXIMUM PEAK FLOW | 2320 | Apr 3 | 16100 C | Aug 24 1985 | ||
MAXIMUM PEAK STAGE | 10.36 | Apr 3 | 27.78 | Aug 24 1985 | ||
ANNUAL RUNOFF (CFSM) | .92 | .71 | 1.36 | |||
ANNUAL RUNOFF (INCHES) | 12.50 | 9.58 | 18.50 | |||
10 PERCENT EXCEEDS | 53 | 60 | 114 | |||
50 PERCENT EXCEEDS | 6.3 | 5.4 | 9.0 | |||
90 PERCENT EXCEEDS | .71 | .25 | .10 |
A - Estimated. | |
B - Several days in most years. | |
C - From rating curve extended above 23.5 ft, based on contracted-opening measurement. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |