DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 4.5 | 17 | 6.8 | e3.0 | e29 | e21 | 6.0 | 52 | 64 | 10 | .25 | .33 |
2 | 6.0 | 14 | 7.3 | e3.0 | e34 | e17 | 6.0 | 41 | 155 | 7.1 | .30 | .19 |
3 | 7.2 | 12 | 7.1 | e3.0 | e39 | e13 | 5.5 | 28 | 135 | 5.1 | .32 | .15 |
4 | 5.7 | 12 | 5.6 | e2.9 | e33 | e10 | 6.0 | 22 | 78 | 4.1 | .27 | .19 |
5 | 21 | 12 | 6.4 | e3.0 | e28 | e15 | 5.8 | 18 | 49 | 3.5 | .22 | .18 |
6 | 21 | 15 | 23 | e3.1 | e30 | 18 | 6.6 | 22 | 54 | 2.5 | .55 | .38 |
7 | 15 | 20 | 47 | e3.2 | e32 | 16 | 5.9 | 20 | 43 | 1.9 | .34 | .34 |
8 | 11 | 23 | 48 | e3.2 | e24 | 15 | 23 | 16 | 27 | 1.3 | .36 | .14 |
9 | 7.9 | 25 | 33 | e3.1 | e20 | 17 | 126 | 13 | 26 | 2.9 | .28 | .06 |
10 | 5.9 | 93 | 23 | e3.0 | e17 | 18 | 114 | 11 | 17 | 2.3 | .27 | .05 |
11 | 4.9 | 81 | 17 | e2.9 | e25 | 18 | 73 | 14 | 12 | 2.1 | .20 | .01 |
12 | 4.4 | 60 | 13 | e2.8 | e24 | 19 | 46 | 31 | 11 | 1.3 | 2.2 | .58 |
13 | 3.5 | 43 | 12 | e2.8 | e22 | 19 | 32 | 29 | 201 | 1.0 | .98 | .59 |
14 | 3.5 | 31 | 9.9 | e2.9 | e18 | 19 | 24 | 20 | 177 | .77 | 1.3 | .25 |
15 | 4.7 | 22 | 8.5 | e4.0 | e15 | 21 | 31 | 14 | 139 | .69 | 1.0 | .43 |
16 | 4.6 | 17 | 7.3 | e10 | e12 | 32 | 119 | 11 | 74 | .77 | .59 | .31 |
17 | 125 | 15 | 6.3 | e20 | e11 | 56 | 115 | 31 | 36 | 2.0 | e45 | .24 |
18 | 194 | 12 | 5.7 | e58 | e9.0 | 66 | 78 | 29 | 25 | 1.6 | .37 | .17 |
19 | 142 | 11 | 5.1 | e64 | e7.8 | 53 | 53 | 22 | 17 | 2.1 | 19 | .61 |
20 | 80 | 9.2 | 4.7 | e60 | e7.8 | 41 | 44 | 14 | 11 | 1.7 | 9.4 | .58 |
21 | 43 | 8.0 | e3.8 | e54 | e6.2 | 29 | 62 | 16 | 8.0 | 1.7 | 4.0 | .67 |
22 | 28 | 7.2 | e3.6 | e100 | e5.6 | 21 | 205 | 22 | 6.8 | 1.5 | 1.8 | .58 |
23 | 19 | 6.5 | e3.4 | e250 | e5.0 | 17 | 361 | 21 | 6.5 | 2.6 | 1.7 | .37 |
24 | 14 | 5.7 | e3.3 | e220 | e4.2 | 14 | 273 | 14 | 6.3 | 2.0 | 3.2 | .29 |
25 | 13 | 5.2 | e3.2 | e140 | e6.0 | 12 | 206 | 11 | 5.3 | 1.9 | 7.2 | .21 |
26 | 11 | 4.6 | e3.2 | e100 | e10 | 11 | 173 | 8.6 | 4.0 | 1.7 | 5.7 | .18 |
27 | 17 | 3.9 | e3.3 | e74 | e15 | 9.4 | 122 | 7.4 | 3.8 | 1.1 | 3.4 | 4.5 |
28 | 21 | 3.5 | e3.5 | e80 | e25 | 8.3 | 136 | 6.1 | 5.0 | .65 | 1.7 | 61 |
29 | 23 | 3.7 | e3.4 | e50 | --- | 7.2 | 114 | 5.2 | 4.5 | .35 | .95 | 50 |
30 | 25 | 8.0 | e3.3 | e40 | --- | 6.7 | 72 | 4.7 | 3.9 | .33 | .53 | 33 |
31 | 22 | --- | e3.2 | e35 | --- | 6.1 | --- | 25 | --- | .31 | .44 | --- |
TOTAL | 907.8 | 600.5 | 333.9 | 1400.9 | 514.6 | 645.7 | 2643.8 | 599.0 | 1405.1 | 68.87 | 113.82 | 156.58 |
MEAN | 29.3 | 20.0 | 10.8 | 45.2 | 18.4 | 20.8 | 88.1 | 19.3 | 46.8 | 2.22 | 3.67 | 5.22 |
MAX | 194 | 93 | 48 | 250 | 39 | 66 | 361 | 52 | 201 | 10 | 45 | 61 |
MIN | 3.5 | 3.5 | 3.2 | 2.8 | 4.2 | 6.1 | 5.5 | 4.7 | 3.8 | .31 | .20 | .01 |
CFSM | 1.49 | 1.02 | .55 | 2.31 | .94 | 1.06 | 4.50 | .99 | 2.39 | .11 | .19 | .27 |
IN. | 1.72 | 1.14 | .63 | 2.66 | .98 | 1.23 | 5.02 | 1.14 | 2.67 | .13 | .22 | .30 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1952 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 8.56 | 15.0 | 16.4 | 14.7 | 20.8 | 33.8 | 37.1 | 23.5 | 18.0 | 11.3 | 10.8 | 10.0 |
MAX | 37.9 | 89.6 | 92.8 | 53.1 | 69.9 | 147 | 97.1 | 116 | 103 | 46.1 | 64.5 | 65.4 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1997 | 1979 | 1983 | 1996 | 1970 | 1978 | 1987 | 1972 |
MIN | .000 | .000 | .032 | .042 | .12 | 4.80 | 4.26 | 3.33 | .74 | .058 | .000 | .000 |
(WY) | 1953 | 1954 | 1954 | 1954 | 1963 | 1956 | 1963 | 1977 | 1963 | 1953 | 1955 | 1953 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1952 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 8314.19 | 9390.57 | ||||
ANNUAL MEAN | 22.8 | 25.7 | 18.3 | |||
HIGHEST ANNUAL MEAN | 32.9 | 1993 | ||||
LOWEST ANNUAL MEAN | 2.00 | 1963 | ||||
HIGHEST DAILY MEAN | 194 | Oct 18 | 361 | Apr 23 | 525 | Dec 3 1982 |
LOWEST DAILY MEAN | .01 | Aug 3 | .01 | Sep 11 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .07 | Jul 28 | .17 | Sep 5 | .00 | Aug 22 1952 |
INSTANTANEOUS PEAK FLOW | 621 | Jun 13 | 887 | Jul 22 1982 | ||
INSTANTANEOUS PEAK STAGE | 6.99 | Jun 13 | 7.94 | Jul 22 1982 | ||
INSTANTANEOUS LOW FLOW | .00 | Sep 9-12 | ||||
ANNUAL RUNOFF (CFSM) | 1.16 | 1.31 | .93 | |||
ANNUAL RUNOFF (INCHES) | 15.78 | 17.82 | 12.70 | |||
10 PERCENT EXCEEDS | 61 | 65 | 44 | |||
50 PERCENT EXCEEDS | 12 | 10 | 7.8 | |||
90 PERCENT EXCEEDS | 1.7 | .54 | .40 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |