DISCHARGE: October 1965 to current year. |
STAGE: Water years 1994-2001. |
CHEMICAL: Water years 1977-91. Additional chemical data for water years 1963-77 are published in Water-Resources Investigations 78-24 and 79-25 as site ATH 05. |
SEDIMENT: Water years 1977 to 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 | 5.9 | 7.1 | 26 | e19 | 105 | 131 | 88 | 23 | 26 | 11 | 19 | 685 |
2 | 5.8 | 7.7 | 23 | e19 | 77 | 116 | 78 | 22 | 25 | 12 | 16 | 175 |
3 | 5.1 | 9.6 | 22 | e18 | 58 | 100 | 1210 | 22 | 20 | 10 | 17 | 73 |
4 | 4.7 | 8.9 | 21 | e18 | 53 | 268 | 1010 | 20 | 17 | 11 | 16 | 39 |
5 | 5.4 | 7.2 | 21 | e20 | 55 | 399 | 456 | 20 | 17 | 11 | 15 | 28 |
6 | 6.3 | 6.1 | 20 | e26 | 52 | 191 | 255 | 19 | 16 | 10 | 14 | 22 |
7 | 9.0 | 11 | 20 | e38 | 49 | 147 | 196 | 20 | 16 | 10 | 13 | 81 |
8 | 9.1 | 30 | 20 | 73 | 50 | 124 | 164 | 21 | 15 | 10 | 13 | 225 |
9 | 6.7 | 509 | 19 | 68 | 115 | 112 | 126 | 20 | 13 | 9.8 | 15 | 67 |
10 | 6.3 | 156 | 22 | 46 | 442 | 95 | 111 | 18 | 12 | 9.5 | 23 | 40 |
11 | 6.2 | 63 | 168 | 39 | 163 | 83 | 95 | 17 | 13 | 11 | 113 | 31 |
12 | 6.8 | 36 | 588 | 38 | 106 | 80 | 95 | 18 | 12 | 11 | 84 | 25 |
13 | 4.1 | 31 | 147 | 42 | 89 | 113 | 78 | 17 | 14 | 13 | 31 | 21 |
14 | 3.8 | 31 | 135 | 101 | 97 | 123 | 53 | 15 | 16 | 12 | 21 | 17 |
15 | 4.2 | 25 | 128 | 198 | 478 | 94 | 51 | 13 | 16 | 9.3 | 17 | 13 |
16 | 4.0 | 19 | 739 | 117 | 783 | 148 | 56 | 15 | 17 | 8.4 | 14 | 12 |
17 | 11 | 17 | e795 | 81 | 583 | 162 | 45 | 19 | 15 | 9.3 | 11 | 13 |
18 | 12 | 17 | e280 | 71 | 204 | 110 | 38 | 21 | 13 | 11 | 14 | 14 |
19 | 11 | 17 | 163 | 73 | 143 | 91 | 38 | 177 | 12 | 14 | 148 | 19 |
20 | 13 | 19 | e100 | 72 | 118 | 86 | 42 | 76 | 12 | 14 | 89 | 20 |
21 | 11 | 16 | e70 | 56 | 98 | 82 | 49 | 260 | 16 | 12 | 28 | 16 |
22 | 9.3 | 15 | e50 | 48 | 101 | 74 | 42 | 157 | 20 | 12 | 18 | 13 |
23 | 7.0 | 14 | e37 | 47 | 125 | 62 | 38 | 62 | 21 | 11 | 16 | 12 |
24 | 5.6 | 14 | e31 | 47 | 149 | 56 | 38 | 41 | 15 | 16 | 15 | 11 |
25 | 4.8 | 251 | e28 | 43 | 1100 | 50 | 41 | 35 | 12 | 17 | 14 | 9.9 |
26 | 4.5 | 250 | e26 | 41 | 548 | 42 | 33 | 29 | 11 | 17 | 16 | 9.6 |
27 | 6.3 | 94 | e24 | 42 | 226 | 38 | 31 | 25 | 12 | 40 | 13 | 9.6 |
28 | 6.0 | 54 | e23 | 39 | 165 | 37 | 28 | 21 | 13 | 28 | 13 | 9.8 |
29 | 5.4 | 40 | e22 | 47 | --- | 40 | 27 | 17 | 15 | 23 | 15 | 9.3 |
30 | 7.2 | 31 | e21 | 283 | --- | 49 | 25 | 17 | 11 | 82 | 162 | 8.3 |
31 | 7.5 | --- | e20 | 182 | --- | 88 | --- | 21 | --- | 32 | 413 | --- |
TOTAL | 215.0 | 1806.6 | 3809 | 2052 | 6332 | 3391 | 4637 | 1278 | 463 | 507.3 | 1426 | 1728.5 |
MEAN | 6.94 | 60.2 | 123 | 66.2 | 226 | 109 | 155 | 41.2 | 15.4 | 16.4 | 46.0 | 57.6 |
MAX | 13 | 509 | 795 | 283 | 1100 | 399 | 1210 | 260 | 26 | 82 | 413 | 685 |
MIN | 3.8 | 6.1 | 19 | 18 | 49 | 37 | 25 | 13 | 11 | 8.4 | 11 | 8.3 |
CFSM | .05 | .41 | .84 | .45 | 1.54 | .74 | 1.05 | .28 | .10 | .11 | .31 | .39 |
IN. | .05 | .46 | .96 | .52 | 1.60 | .86 | 1.17 | .32 | .12 | .13 | .36 | .44 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1966 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 20.1 | 110 | 194 | 214 | 277 | 318 | 325 | 256 | 119 | 38.3 | 37.6 | 21.1 |
MAX | 157 | 643 | 1193 | 608 | 864 | 837 | 922 | 1115 | 633 | 163 | 485 | 110 |
(WY) | 1985 | 1986 | 1983 | 1999 | 1989 | 1979 | 1983 | 1983 | 1997 | 1976 | 1985 | 1992 |
MIN | 2.57 | 4.05 | 8.22 | 10.7 | 42.3 | 28.6 | 22.3 | 15.4 | 6.10 | 1.88 | 5.34 | 1.67 |
(WY) | 1967 | 1972 | 1977 | 1981 | 1996 | 1981 | 1981 | 1988 | 1972 | 1966 | 1994 | 1966 |
SUMMARY STATISTICS | FOR 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1966 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 47478.6 | 27645.4 | ||||
ANNUAL MEAN | 130 | 75.7 | 160 | |||
HIGHEST ANNUAL MEAN | 332 | 1985 | ||||
LOWEST ANNUAL MEAN | 51.0 | 1967 | ||||
HIGHEST DAILY MEAN | 2360 | Jan 4 | 1210 | Apr 3 | 4880 | Dec 26 1982 |
LOWEST DAILY MEAN | 3.8 | Oct 14 | 3.8 | Oct 14 | .60 | A |
ANNUAL SEVEN-DAY MINIMUM | 5.1 | Oct 10 | 5.1 | Oct 10 | .77 | Sep 1 1966 |
MAXIMUM PEAK FLOW | 1660 | Apr 3 | 5160 | Jan 31 1982 | ||
MAXIMUM PEAK STAGE | 10.98 | Apr 3 | 16.32 | Jan 31 1982 | ||
INSTANTANEOUS LOW FLOW | 3.1 | Oct 16 | ||||
ANNUAL RUNOFF (CFSM) | .88 | .52 | 1.09 | |||
ANNUAL RUNOFF (INCHES) | 12.01 | 7.00 | 14.81 | |||
10 PERCENT EXCEEDS | 316 | 163 | 398 | |||
50 PERCENT EXCEEDS | 26 | 23 | 30 | |||
90 PERCENT EXCEEDS | 7.2 | 9.4 | 5.9 |
A - July 29, 30, Sept. 3, 1966. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |