DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | e.40 | e.90 | 61 | e5.4 | 7.3 | 26 | 37 | 40 | 3.2 | 82 | 6.3 | e.00 |
2 | e.38 | e.74 | 18 | e5.0 | 7.0 | 19 | 19 | 25 | 3.1 | 15 | 4.5 | e.00 |
3 | e.36 | e.65 | e9.0 | e4.5 | 6.7 | 16 | 19 | 61 | 3.2 | 8.8 | 3.6 | e.00 |
4 | e.34 | e.54 | e6.5 | e4.0 | 6.6 | 14 | 29 | 24 | 4.4 | 7.8 | 2.9 | e.00 |
5 | e.33 | e.50 | e5.3 | 37 | 6.8 | 12 | 20 | 15 | 9.5 | 6.5 | 2.7 | e.00 |
6 | e.32 | e.80 | e4.5 | 137 | 7.8 | 11 | 15 | 31 | 7.7 | 78 | 3.1 | e.00 |
7 | e.31 | e1.3 | e4.0 | 231 | 8.9 | 13 | 13 | 249 | 4.0 | 27 | 5.9 | e.00 |
8 | e.30 | e.80 | e3.5 | 358 | 9.4 | 20 | 13 | 105 | 3.2 | e8.0 | 16 | e.40 |
9 | e.35 | e.65 | e3.0 | 84 | 8.8 | 29 | 12 | 25 | 9.1 | e5.5 | 13 | e.30 |
10 | e.32 | e.55 | e4.5 | 28 | 8.6 | 25 | 11 | 15 | 25 | e3.7 | 4.8 | e.25 |
11 | e.29 | e.50 | e6.0 | 18 | 13 | 15 | 9.2 | 10 | 26 | e4.5 | 3.3 | e.20 |
12 | e.27 | e.47 | e5.0 | 15 | 26 | 11 | 8.5 | 7.9 | 23 | e3.7 | 2.7 | e.16 |
13 | e.60 | e.45 | e4.5 | 14 | 15 | 11 | 7.9 | 6.7 | 122 | e3.1 | 2.3 | e.12 |
14 | e1.0 | 1.9 | e3.9 | 12 | 11 | 11 | 8.1 | 5.8 | 456 | e2.6 | 1.7 | e.09 |
15 | e.75 | 1.7 | e3.5 | 13 | 8.5 | 9.8 | 50 | 5.2 | 500 | e2.2 | 1.2 | e.06 |
16 | e.60 | .96 | e3.1 | 13 | 116 | 12 | 1450 | 4.6 | 155 | e1.9 | 1.1 | e.20 |
17 | e.50 | .73 | e2.8 | 11 | 349 | 46 | 223 | 4.0 | 52 | e1.7 | .75 | e.35 |
18 | e.45 | .70 | e2.5 | 9.9 | 336 | 206 | 33 | 3.8 | 15 | e2.2 | .54 | e.80 |
19 | e.40 | .72 | e2.3 | 9.4 | 79 | 118 | 20 | 3.6 | 77 | e2.0 | e.40 | e.70 |
20 | e.35 | .75 | e2.1 | 8.5 | 52 | 726 | 15 | 3.3 | 75 | e1.8 | e.32 | e.60 |
21 | e.45 | .76 | e2.0 | 8.2 | 36 | 249 | 12 | 3.2 | 141 | e1.6 | e.27 | e.50 |
22 | e.37 | .85 | e4.0 | 9.3 | 25 | 60 | 11 | 4.2 | 57 | e1.5 | e.23 | e.43 |
23 | e.33 | .86 | e9.0 | 31 | 21 | 30 | 13 | 4.1 | 17 | e2.0 | e.20 | e.38 |
24 | e.30 | .76 | 45 | 20 | 17 | 22 | 9.0 | 3.8 | 9.5 | e1.8 | e.15 | e.33 |
25 | e.90 | .75 | 55 | 15 | 14 | 18 | 8.1 | 17 | 6.8 | e1.7 | e.11 | e.30 |
26 | e1.0 | .78 | 18 | 12 | 18 | 16 | 7.6 | 9.8 | 5.6 | e1.6 | e.08 | e.60 |
27 | e.80 | .79 | 11 | 13 | 174 | 14 | 7.6 | 5.7 | 4.9 | e2.3 | e.05 | e.45 |
28 | e.70 | .80 | e8.0 | 12 | 59 | 18 | 9.1 | 4.4 | 4.4 | e2.1 | e.02 | e.35 |
29 | e.60 | .81 | e6.6 | 9.7 | --- | 18 | 7.9 | 3.5 | 11 | e2.7 | e.00 | e.30 |
30 | e.50 | 11 | e6.0 | 8.4 | --- | 14 | 85 | 3.2 | 593 | 5.3 | e.00 | e.25 |
31 | e.45 | --- | e5.4 | 7.4 | --- | 16 | --- | 3.2 | --- | 4.5 | e.00 | --- |
TOTAL | 15.02 | 34.47 | 325.0 | 1163.7 | 1447.4 | 1825.8 | 2183.0 | 707.0 | 2423.6 | 295.1 | 78.22 | 8.12 |
MEAN | .48 | 1.15 | 10.5 | 37.5 | 51.7 | 58.9 | 72.8 | 22.8 | 80.8 | 9.52 | 2.52 | .27 |
MAX | 1.0 | 11 | 61 | 358 | 349 | 726 | 1450 | 249 | 593 | 82 | 16 | .80 |
MIN | .27 | .45 | 2.0 | 4.0 | 6.6 | 9.8 | 7.6 | 3.2 | 3.1 | 1.5 | .00 | .00 |
CFSM | .02 | .04 | .33 | 1.18 | 1.63 | 1.86 | 2.30 | .72 | 2.55 | .30 | .08 | .01 |
IN. | .02 | .04 | .38 | 1.37 | 1.70 | 2.14 | 2.56 | .83 | 2.84 | .35 | .09 | .01 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 3.01 | 22.6 | 33.2 | 36.3 | 45.0 | 63.9 | 56.5 | 44.0 | 16.8 | 7.43 | 4.98 | 4.38 |
MAX | 35.1 | 223 | 227 | 214 | 176 | 180 | 296 | 222 | 87.6 | 61.0 | 50.6 | 48.0 |
(WY) | 1985 | 1986 | 1983 | 1982 | 1985 | 1979 | 1996 | 1996 | 1981 | 1958 | 1985 | 1993 |
MIN | .000 | .000 | .000 | .019 | .14 | .000 | .51 | .24 | .000 | .000 | .000 | .000 |
(WY) | 1953 | 1954 | 1954 | 1981 | 1964 | 1954 | 1981 | 1965 | 1953 | 1959 | 1953 | 1952 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1952 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 14302.76 | 10506.43 | ||||
ANNUAL MEAN | 39.2 | 28.8 | 28.1 | |||
HIGHEST ANNUAL MEAN | 66.6 | 1983 | ||||
LOWEST ANNUAL MEAN | 2.39 | 1954 | ||||
HIGHEST DAILY MEAN | 2610 | May 31 | 1450 | Apr 16 | 3350 | Apr 29 1996 |
LOWEST DAILY MEAN | .23 A | Sep 13 | .00 | B | .00 | C |
ANNUAL SEVEN-DAY MINIMUM | .31 | Oct 6 | .00 | Aug 29 | .00 | Oct 1 1951 |
INSTANTANEOUS PEAK FLOW | 2870 | Apr 16 | 9270 D | May 11 1996 | ||
INSTANTANEOUS PEAK STAGE | 11.73 | Apr 16 | 13.60 | May 11 1996 | ||
ANNUAL RUNOFF (CFSM) | 1.24 | .91 | .89 | |||
ANNUAL RUNOFF (INCHES) | 16.78 | 12.33 | 12.04 | |||
10 PERCENT EXCEEDS | 62 | 51 | 47 | |||
50 PERCENT EXCEEDS | 4.7 | 5.4 | 2.1 | |||
90 PERCENT EXCEEDS | .45 | .32 | .00 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |