DISCHARGE: October 1979 to current year. |
STAGE: Water years 1997-2001. Gage-height record for Feb. 10, 1965 to Sept. 30, 1979 available in files of U.S. Army Corps of Engineers, October 1980 to September 1994 (8 AM gage heights). |
CHEMICAL: Water years 1978-91. |
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 | .51 | e.00 | 8.3 | e6.5 | 70 | 35 | 15 | 2.5 | 2.7 | 2.1 | .56 | .51 |
2 | .42 | e.00 | 6.7 | e6.5 | 38 | 31 | 14 | 2.4 | 9.7 | 3.2 | .45 | .31 |
3 | .35 | e.00 | 6.1 | e6.2 | 24 | 27 | 502 | 2.6 | 7.3 | 3.8 | .35 | .20 |
4 | .33 | e.00 | 5.5 | e6.6 | 20 | 24 | 184 | 2.9 | 6.3 | 26 | .31 | .16 |
5 | .27 | e.00 | 5.2 | e7.5 | 19 | 19 | 60 | 3.3 | 61 | 20 | .30 | .12 |
6 | .23 | e.20 | 4.9 | e9.0 | 17 | 16 | 39 | 5.2 | 116 | 5.7 | .26 | .12 |
7 | .18 | 13 | 4.4 | e12 | 15 | 14 | 28 | 2.9 | 16 | 3.4 | .23 | .12 |
8 | .18 | 25 | 4.2 | e17 | 13 | 14 | 21 | 1.9 | 6.9 | 2.5 | .22 | .16 |
9 | .16 | 15 | 3.9 | 23 | 649 | 14 | 17 | 1.8 | 4.5 | 936 | .19 | .25 |
10 | .13 | 52 | 3.7 | 13 | 902 | 14 | 15 | 1.7 | 3.8 | 840 | .21 | .16 |
11 | .10 | 27 | 45 | 11 | 99 | 13 | 15 | 1.6 | 2.9 | 43 | .25 | .17 |
12 | .08 | 9.8 | 148 | 11 | 53 | 13 | 14 | 1.6 | 1.8 | 13 | .24 | .18 |
13 | .06 | 34 | 35 | 16 | 56 | 15 | 12 | 1.6 | 1.2 | 7.6 | .20 | .14 |
14 | .03 | 46 | 23 | 310 | 320 | 14 | 9.5 | 1.7 | 1.1 | 5.7 | .19 | .10 |
15 | .02 | 16 | 17 | 716 | 711 | 12 | 9.4 | 1.5 | 46 | 3.6 | .16 | .10 |
16 | .04 | 6.6 | 16 | 348 | 563 | 112 | 11 | 1.3 | 33 | 2.5 | .14 | .09 |
17 | .08 | 4.2 | e25 | e105 | 116 | 60 | 10 | 1.2 | 8.1 | 2.3 | .13 | .06 |
18 | .09 | 2.7 | e22 | e80 | 55 | 30 | 8.4 | 1.3 | 4.4 | 21 | .62 | .14 |
19 | e.08 | 1.6 | e18 | e60 | 44 | 22 | 7.1 | 1.7 | 3.3 | 31 | 13 | .28 |
20 | e.06 | 1.1 | e14 | e45 | 39 | 19 | 6.3 | 1.7 | 13 | 9.5 | 16 | .15 |
21 | e.04 | .83 | e11 | e30 | 32 | 17 | 6.0 | 3.4 | 501 | 4.9 | 5.2 | .30 |
22 | e.02 | .67 | e9.5 | e20 | 26 | 15 | 6.0 | 3.8 | 73 | 3.9 | 2.9 | .38 |
23 | e.02 | .59 | e8.5 | e17 | 25 | 14 | 5.8 | 3.9 | 21 | 8.6 | 1.3 | .24 |
24 | e.01 | .55 | e7.5 | e18 | 55 | 13 | 4.1 | 4.7 | 8.7 | 3.4 | .69 | .16 |
25 | e.01 | 136 | e6.6 | e19 | 1190 | 12 | 2.6 | 3.3 | 5.1 | 2.7 | 41 | .12 |
26 | e.00 | 206 | e6.0 | e17 | 325 | 11 | 2.6 | 2.6 | 3.8 | 2.4 | 46 | .10 |
27 | e.00 | 55 | e7.0 | e14 | 68 | 10 | 2.9 | 2.1 | 3.6 | 1.8 | 9.2 | .10 |
28 | e.00 | 27 | e8.0 | e12 | 46 | 10 | 2.9 | 2.0 | 9.9 | 1.3 | 4.8 | .09 |
29 | e.00 | 16 | e8.5 | e60 | --- | 10 | 2.9 | 4.0 | 4.3 | 1.0 | 2.9 | .05 |
30 | e.00 | 12 | e8.0 | 541 | --- | 11 | 2.8 | 3.5 | 3.3 | .71 | 1.4 | .02 |
31 | e.00 | --- | e7.0 | 178 | --- | 13 | --- | 2.9 | --- | .63 | .79 | --- |
TOTAL | 3.50 | 708.84 | 503.5 | 2735.3 | 5590 | 654 | 1036.3 | 78.6 | 982.7 | 2013.24 | 150.19 | 5.08 |
MEAN | .11 | 23.6 | 16.2 | 88.2 | 200 | 21.1 | 34.5 | 2.54 | 32.8 | 64.9 | 4.84 | .17 |
MAX | .51 | 206 | 148 | 716 | 1190 | 112 | 502 | 5.2 | 501 | 936 | 46 | .51 |
MIN | .00 | .00 | 3.7 | 6.2 | 13 | 10 | 2.6 | 1.2 | 1.1 | .63 | .13 | .02 |
CFSM | .00 | .27 | .18 | 1.00 | 2.27 | .24 | .39 | .03 | .37 | .74 | .06 | .00 |
IN. | .00 | .30 | .21 | 1.16 | 2.36 | .28 | .44 | .03 | .42 | .85 | .06 | .00 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 23.8 | 107 | 101 | 124 | 156 | 144 | 169 | 133 | 55.6 | 27.7 | 5.51 | 17.4 |
MAX | 140 | 670 | 748 | 417 | 466 | 468 | 721 | 942 | 286 | 123 | 47.7 | 161 |
(WY) | 1985 | 1986 | 1983 | 1999 | 1985 | 1984 | 1996 | 1995 | 2000 | 1982 | 1981 | 1993 |
MIN | .000 | .000 | .000 | .028 | 1.78 | 4.05 | 12.4 | 1.35 | .35 | .15 | .000 | .000 |
(WY) | 1996 | 1996 | 2000 | 1981 | 1996 | 1981 | 1981 | 1988 | 1992 | 1984 | 1991 | 1983 |
SUMMARY STATISTICS | FOR 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1980 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 15970.14 | 14461.25 | ||||
ANNUAL MEAN | 43.6 | 39.6 | 88.1 | |||
HIGHEST ANNUAL MEAN | 167 | 1983 | ||||
LOWEST ANNUAL MEAN | 23.1 | 1987 | ||||
HIGHEST DAILY MEAN | 2270 | Jun 25 | 1190 | Feb 25 | 11200 | Apr 29 1996 |
LOWEST DAILY MEAN | .00 | Many days | .00 | Several days | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .00 | Jan 26 | .00 B | Oct 26 | .00 | Jul 24 1980 |
MAXIMUM PEAK FLOW | 2000 | Jul 9 | 21200 | Nov 14 1993 | ||
MAXIMUM PEAK STAGE | 12.10 | Jul 9 | 17.73 | Nov 14 1993 | ||
ANNUAL RUNOFF (CFSM) | .50 | .45 | 1.00 | |||
ANNUAL RUNOFF (INCHES) | 6.75 | 6.11 | 13.60 | |||
10 PERCENT EXCEEDS | 46 | 55 | 130 | |||
50 PERCENT EXCEEDS | 2.9 | 6.0 | 4.5 | |||
90 PERCENT EXCEEDS | .02 | .12 | .00 |
A - At times in most years. | |
B - Estimated. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |