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 | e1.4 | 5.6 | 8.4 | 1.1 | 26 | 5.4 | 94 | 25 | 7.4 | 5.3 | 2.4 | 3.5 |
2 | e1.3 | 7.7 | 4.7 | .87 | 72 | 6.4 | 71 | 11 | 8.9 | 3.6 | 3.0 | 3.4 |
3 | e1.4 | 6.0 | 3.3 | 5.4 | 65 | 4.2 | 39 | 6.3 | 9.6 | 4.7 | 2.0 | 4.2 |
4 | 1.7 | 2.1 | 2.2 | 234 | 43 | 6.0 | 21 | 5.5 | 10 | 54 | 309 | 4.2 |
5 | 3.5 | 1.7 | 1.5 | 237 | 25 | 7.6 | 9.9 | 3.2 | 11 | 18 | 427 | 2.6 |
6 | e1.2 | e3.2 | .97 | 237 | 21 | 7.3 | 5.8 | 45 | 11 | 8.9 | 130 | 2.7 |
7 | e1.1 | e3.6 | .73 | 120 | 20 | 6.6 | 6.4 | 398 | 11 | 87 | 75 | 44 |
8 | 2.7 | e3.1 | .62 | 221 | 17 | 78 | 53 | 420 | 9.6 | 68 | 120 | 16 |
9 | 7.1 | e2.8 | .61 | 228 | 14 | 266 | 40 | 155 | 21 | 31 | 59 | 7.3 |
10 | e4.5 | e2.8 | 3.7 | 107 | 11 | 129 | 29 | 83 | 12 | 17 | 34 | 6.8 |
11 | e1.9 | e5.2 | 8.0 | 63 | 101 | 87 | 12 | 53 | 61 | 11 | 22 | 6.1 |
12 | e2.0 | e5.4 | 6.9 | 40 | 180 | 55 | 5.5 | 35 | 80 | 8.7 | 14 | 3.6 |
13 | e3.4 | e3.6 | 4.3 | 20 | 81 | 37 | 4.3 | 26 | 36 | 5.8 | 10 | 3.1 |
14 | e6.0 | e2.5 | 2.5 | 14 | 47 | 33 | 11 | 18 | 20 | 4.5 | 7.4 | 4.6 |
15 | e2.5 | e8.2 | 2.0 | 12 | 26 | 30 | 6.8 | 14 | 16 | 3.5 | 6.0 | 3.9 |
16 | e1.7 | e11 | 2.6 | 10 | 18 | 27 | 3.5 | 11 | 13 | 2.2 | 5.0 | 4.1 |
17 | e1.7 | e5.5 | 4.4 | 8.7 | 65 | 71 | 1.7 | 9.6 | 9.9 | 2.7 | 4.3 | 3.2 |
18 | e1.6 | e4.5 | 6.3 | 7.4 | 167 | 394 | 1.9 | 8.7 | 5.8 | 2.5 | 3.8 | 2.4 |
19 | e1.5 | e5.4 | 8.1 | 6.6 | 90 | 275 | 1.9 | 9.5 | 8.9 | 11 | 3.3 | 2.4 |
20 | e1.4 | e5.6 | 9.5 | 5.5 | 53 | 128 | 6.0 | 7.9 | 6.2 | 14 | 3.0 | 4.4 |
21 | e1.8 | e6.8 | 10 | 5.2 | 33 | 95 | 70 | 7.7 | 4.7 | 5.9 | 3.5 | 1.8 |
22 | e1.7 | e5.9 | 15 | 5.3 | 20 | 70 | 52 | 7.2 | 3.6 | 21 | 3.5 | 2.1 |
23 | e1.7 | e5.7 | 37 | 5.9 | 17 | 49 | 21 | 6.7 | 3.6 | 40 | 3.8 | 2.5 |
24 | e3.9 | e5.5 | 34 | 5.3 | 15 | 35 | 7.7 | 6.9 | 3.1 | 12 | 7.8 | 1.7 |
25 | e2.4 | e2.6 | 66 | 4.7 | 14 | 23 | 3.7 | 9.4 | 1.9 | 6.6 | 9.0 | 1.4 |
26 | 14 | e2.2 | 51 | 4.3 | 11 | 17 | 4.9 | 7.1 | 47 | 4.8 | 3.5 | 1.1 |
27 | 43 | e1.9 | 27 | 4.5 | 9.8 | 11 | 7.7 | 6.2 | 17 | 3.5 | 3.3 | .92 |
28 | 13 | e1.2 | 13 | 5.6 | 7.5 | 31 | 2.3 | 7.1 | 12 | 3.2 | 7.4 | 1.0 |
29 | 10 | 10 | 7.1 | 8.0 | --- | 20 | 33 | 7.2 | 8.0 | 3.1 | 5.0 | 1.3 |
30 | 16 | 14 | 4.2 | 9.8 | --- | 13 | 28 | 8.8 | 10 | 5.7 | 3.7 | 3.6 |
31 | 14 | --- | 1.6 | 12 | --- | 31 | --- | 7.9 | --- | 3.7 | 2.9 | --- |
TOTAL | 171.1 | 151.3 | 347.23 | 1649.17 | 1269.3 | 2048.5 | 654.0 | 1426.9 | 479.2 | 472.9 | 1293.6 | 149.92 |
MEAN | 5.52 | 5.04 | 11.2 | 53.2 | 45.3 | 66.1 | 21.8 | 46.0 | 16.0 | 15.3 | 41.7 | 5.00 |
MAX | 43 | 14 | 66 | 237 | 180 | 394 | 94 | 420 | 80 | 87 | 427 | 44 |
MIN | 1.1 | 1.2 | .61 | .87 | 7.5 | 4.2 | 1.7 | 3.2 | 1.9 | 2.2 | 2.0 | .92 |
CFSM | .24 | .22 | .48 | 2.30 | 1.96 | 2.86 | .94 | 1.99 | .69 | .66 | 1.81 | .22 |
IN. | .28 | .24 | .56 | 2.66 | 2.04 | 3.30 | 1.05 | 2.30 | .77 | .76 | 2.08 | .24 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 7.89 | 15.0 | 19.3 | 18.3 | 26.2 | 39.6 | 34.6 | 23.9 | 19.7 | 9.64 | 7.19 | 7.31 |
MAX | 55.9 | 78.3 | 83.6 | 74.5 | 119 | 167 | 77.3 | 77.7 | 109 | 57.0 | 43.1 | 59.9 |
(WY) | 1955 | 1991 | 1983 | 1993 | 1997 | 1979 | 1975 | 1974 | 1993 | 1996 | 1968 | 1993 |
MIN | .000 | .25 | .59 | .36 | .51 | 3.75 | 3.75 | 2.15 | .61 | .54 | .63 | .030 |
(WY) | 1957 | 1957 | 1957 | 1984 | 1978 | 1957 | 1963 | 1988 | 1988 | 1988 | 1956 | 1956 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1948 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 8707.84 | 10113.12 | ||||
ANNUAL MEAN | 23.9 | 27.7 | 19.1 | |||
HIGHEST ANNUAL MEAN | 42.8 | 1993 | ||||
LOWEST ANNUAL MEAN | 5.77 | 1963 | ||||
HIGHEST DAILY MEAN | 760 A | Feb 21 | 427 | Aug 5 | 860 | Jul 13 1957 |
LOWEST DAILY MEAN | .48 | Aug 10 | .61 | Dec 9 | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | .94 | Sep 10 | 1.4 | Sep 23 | .00 | Sep 21 1949 |
INSTANTANEOUS PEAK FLOW | 632 | Aug 5 | 1380 C | Jul 13 1957 | ||
INSTANTANEOUS PEAK STAGE | 11.25 | Aug 5 | 11.79 D | Nov 28 1990 | ||
INSTANTANEOUS LOW FLOW | .46 E | Jan 1 | ||||
ANNUAL RUNOFF (CFSM) | 1.03 | 1.20 | .82 | |||
ANNUAL RUNOFF (INCHES) | 14.02 | 16.29 | 11.21 | |||
10 PERCENT EXCEEDS | 51 | 70 | 43 | |||
50 PERCENT EXCEEDS | 6.3 | 7.4 | 5.1 | |||
90 PERCENT EXCEEDS | 1.2 | 1.9 | .92 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |