DISCHARGE: October 1979 to current year. |
STAGE: Water years 1994-2001. Gage-height record for April 1955 to Sept. 30, 1979, available in files of U.S. Army Corps of Engineers. |
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 | 5.6 | 4.3 | 36 | e12 | 308 | 58 | 13 | 3.1 | 295 | 2.1 | 3.0 | 1.0 |
2 | 3.7 | 4.2 | 30 | e11 | 107 | 50 | 12 | 3.1 | 152 | 42 | 2.3 | .76 |
3 | 2.6 | 4.0 | 26 | e12 | 78 | 43 | 23 | 2.8 | 33 | 69 | 2.1 | .65 |
4 | 42 | 4.0 | 23 | e13 | 52 | 37 | 33 | 2.7 | 82 | 23 | 2.1 | .58 |
5 | 271 | 3.8 | 21 | e15 | 40 | 30 | 25 | 2.6 | 386 | 111 | 1.9 | .69 |
6 | 190 | 25 | 19 | e16 | 38 | 24 | 21 | 2.8 | 552 | 59 | 1.7 | .76 |
7 | 83 | 469 | 18 | e18 | 34 | 21 | 18 | 2.5 | 249 | 27 | 1.7 | .72 |
8 | 33 | 227 | 17 | e20 | 38 | 19 | 16 | 2.5 | 54 | 12 | 1.6 | .65 |
9 | 16 | 407 | 15 | e18 | 546 | 18 | 15 | 3.7 | 24 | 505 | 1.6 | .89 |
10 | 9.2 | 910 | 15 | e16 | 1110 | 17 | 25 | 3.2 | 14 | 315 | 1.6 | 1.1 |
11 | 6.7 | 642 | 32 | e15 | 682 | 16 | 45 | 2.2 | 8.9 | 84 | 1.6 | .91 |
12 | 5.4 | 109 | 140 | e16 | 111 | 16 | 99 | 2.0 | 6.5 | 29 | 1.6 | .73 |
13 | 4.3 | 339 | e100 | e20 | 76 | 18 | 38 | 1.8 | 5.0 | 14 | 1.6 | .57 |
14 | 3.4 | 377 | e75 | e150 | 192 | 17 | 20 | 1.9 | 4.4 | 8.2 | 1.5 | .57 |
15 | 2.8 | 104 | e55 | e600 | 396 | 16 | 16 | 1.6 | 165 | 5.6 | 1.3 | .50 |
16 | 4.3 | 60 | e38 | e500 | 206 | 57 | 14 | 1.4 | 91 | 4.3 | 1.3 | .41 |
17 | 152 | 43 | e40 | e300 | 103 | 69 | 11 | 1.4 | 28 | 3.5 | 1.2 | .34 |
18 | 108 | 30 | e35 | e190 | 60 | 45 | 8.9 | 1.4 | 12 | 3.3 | 1.2 | .58 |
19 | 55 | 23 | e28 | e150 | 46 | 30 | 8.3 | 6.7 | 6.7 | 3.0 | 1.2 | .78 |
20 | 25 | 19 | e24 | e110 | 44 | 24 | 7.7 | 12 | 5.1 | 25 | 1.2 | .73 |
21 | 14 | 17 | e21 | e85 | 37 | 21 | 7.2 | 9.3 | 5.2 | 53 | 1.2 | .85 |
22 | 9.5 | 14 | e19 | e60 | 33 | 18 | 6.8 | 9.9 | 8.6 | 19 | 1.1 | .77 |
23 | 6.4 | 14 | e17 | e42 | 32 | 17 | 6.5 | 10 | 4.5 | 9.1 | 1.1 | .60 |
24 | 4.2 | 13 | e16 | e38 | 73 | 16 | 5.4 | 5.6 | 5.8 | 6.1 | 117 | .54 |
25 | 3.8 | 275 | e14 | e35 | 1060 | 14 | 5.1 | 3.9 | 7.1 | 8.8 | 316 | .46 |
26 | 3.6 | 774 | e15 | e32 | 955 | 12 | 5.0 | 2.8 | 4.6 | 11 | 101 | .46 |
27 | 3.6 | 443 | e16 | e28 | 148 | 11 | 4.7 | 2.3 | 3.6 | 6.2 | 29 | .42 |
28 | 4.1 | 100 | e15 | e26 | 77 | 11 | 4.1 | 3.4 | 2.9 | 4.8 | 9.6 | .36 |
29 | 4.7 | 62 | e14 | e60 | --- | 11 | 3.6 | 6.3 | 2.5 | 21 | 4.2 | .31 |
30 | 5.3 | 45 | e13 | 763 | --- | 11 | 3.4 | 4.0 | 2.2 | 8.3 | 2.4 | .24 |
31 | 4.8 | --- | e12 | 918 | --- | 11 | --- | 30 | --- | 3.8 | 1.4 | --- |
TOTAL | 1087.0 | 5561.3 | 959 | 4289 | 6682 | 778 | 520.7 | 148.9 | 2220.6 | 1496.1 | 617.3 | 18.93 |
MEAN | 35.1 | 185 | 30.9 | 138 | 239 | 25.1 | 17.4 | 4.80 | 74.0 | 48.3 | 19.9 | .63 |
MAX | 271 | 910 | 140 | 918 | 1110 | 69 | 99 | 30 | 552 | 505 | 316 | 1.1 |
MIN | 2.6 | 3.8 | 12 | 11 | 32 | 11 | 3.4 | 1.4 | 2.2 | 2.1 | 1.1 | .24 |
CFSM | .31 | 1.64 | .27 | 1.22 | 2.11 | .22 | .15 | .04 | .66 | .43 | .18 | .01 |
IN. | .36 | 1.83 | .32 | 1.41 | 2.20 | .26 | .17 | .05 | .73 | .49 | .20 | .01 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 17.1 | 107 | 118 | 130 | 178 | 167 | 167 | 138 | 71.4 | 47.2 | 30.3 | 27.6 |
MAX | 111 | 628 | 547 | 522 | 591 | 425 | 628 | 862 | 334 | 268 | 196 | 341 |
(WY) | 1985 | 1986 | 1988 | 1999 | 1982 | 1984 | 1994 | 1990 | 2000 | 1993 | 1985 | 1993 |
MIN | .000 | .000 | .21 | .030 | 6.48 | 4.61 | 2.10 | 2.64 | .16 | .057 | .004 | .006 |
(WY) | 2000 | 2000 | 1990 | 1981 | 1996 | 1981 | 1981 | 1988 | 1988 | 1984 | 1983 | 1996 |
SUMMARY STATISTICS | FOR 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1980 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 33166.59 | 24378.83 | ||||
ANNUAL MEAN | 90.6 | 66.8 | 99.4 | |||
HIGHEST ANNUAL MEAN | 175 | 1985 | ||||
LOWEST ANNUAL MEAN | 29.7 | 1981 | ||||
HIGHEST DAILY MEAN | 2230 | Jun 26 | 1110 | Feb 10 | 7660 | May 17 1990 |
LOWEST DAILY MEAN | .00 | Several days | .24 | Sep 30 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .00 | Jan 28 | .40 | Sep 24 | .00 | Oct 9 1980 |
MAXIMUM PEAK FLOW | 1470 | Feb 9 | 17000 B | May 16 1990 | ||
MAXIMUM PEAK STAGE | 13.30 | Feb 9 | 20.03 | May 16 1990 | ||
INSTANTANEOUS LOW FLOW | .23 | Sep 30 | ||||
ANNUAL RUNOFF (CFSM) | .80 | .59 | .88 | |||
ANNUAL RUNOFF (INCHES) | 10.92 | 8.03 | 11.95 | |||
10 PERCENT EXCEEDS | 214 | 152 | 179 | |||
50 PERCENT EXCEEDS | 12 | 14 | 8.5 | |||
90 PERCENT EXCEEDS | 1.1 | 1.2 | .06 |
A - Many days in most years. | |
B - From rating curve extended above 9,540 ft3/s. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |