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 | 20 | 28 | 34 | 26 | 67 | 26 | 138 | 52 | 28 | 36 | 18 | 27 |
2 | 18 | 28 | 30 | 34 | 117 | 23 | 124 | 47 | 29 | 30 | 16 | 21 |
3 | 18 | 28 | 30 | 61 | 91 | 22 | 90 | 44 | 27 | 62 | 24 | 24 |
4 | 19 | 25 | 30 | 112 | 71 | 26 | 63 | 43 | 25 | 190 | 101 | 29 |
5 | 19 | 24 | 28 | 148 | 57 | 21 | 55 | 46 | 26 | 79 | 219 | 26 |
6 | 19 | 36 | 26 | 153 | 50 | 17 | 50 | 45 | 26 | 50 | 317 | 24 |
7 | 19 | 31 | 26 | 142 | 46 | 15 | e47 | 347 | 20 | 57 | 198 | 392 |
8 | 18 | 29 | 24 | 129 | 44 | 57 | e140 | 499 | 20 | 51 | 111 | 164 |
9 | 22 | 27 | 25 | 135 | 42 | 125 | e120 | 279 | 72 | 39 | 71 | 77 |
10 | 19 | 26 | 38 | 102 | 40 | 78 | e105 | 145 | 50 | 33 | 55 | 50 |
11 | 18 | 21 | 41 | 77 | 105 | 49 | e90 | 96 | 137 | 30 | 42 | 27 |
12 | 18 | 20 | 38 | 59 | 126 | 31 | e60 | 75 | 112 | 29 | 33 | 27 |
13 | 42 | 22 | 33 | 47 | 95 | 41 | e52 | 59 | 62 | 28 | 24 | 29 |
14 | 31 | 22 | 31 | 41 | 56 | 56 | e60 | 39 | 44 | 31 | 27 | 37 |
15 | 25 | 28 | 29 | 40 | 53 | 52 | e70 | 45 | 38 | 27 | 22 | 74 |
16 | 23 | 30 | 28 | 37 | 52 | 53 | e117 | 41 | 33 | 25 | 22 | 51 |
17 | 21 | 26 | 28 | 37 | 79 | 103 | 99 | 37 | 30 | 23 | 29 | 51 |
18 | 20 | 25 | 27 | 34 | 92 | 303 | 75 | 37 | 41 | 23 | 28 | 26 |
19 | 20 | 24 | 27 | 33 | 72 | 294 | 52 | 35 | 80 | 40 | 23 | 27 |
20 | 20 | 24 | 26 | 30 | 60 | 175 | 70 | 35 | 51 | 35 | 22 | 28 |
21 | 19 | 24 | 24 | 21 | 50 | 117 | 111 | 37 | 41 | 32 | 23 | 25 |
22 | 19 | 24 | 28 | 26 | 46 | 83 | 100 | 32 | 34 | 35 | 22 | 27 |
23 | 18 | 23 | 27 | 32 | 43 | 72 | 79 | 31 | 32 | 29 | 24 | 25 |
24 | 21 | 22 | 31 | 32 | 44 | 44 | 61 | 63 | 30 | 25 | 32 | 24 |
25 | 21 | 22 | 49 | 31 | 38 | 47 | 53 | 40 | 28 | 23 | 131 | 25 |
26 | 43 | 22 | 44 | 32 | 34 | 49 | 54 | 35 | e180 | 23 | 92 | 26 |
27 | 96 | 31 | 36 | 32 | 37 | 45 | 74 | 41 | e120 | 23 | 58 | 24 |
28 | 57 | 40 | 32 | 34 | 30 | 53 | 51 | 42 | e70 | 24 | 62 | 22 |
29 | 39 | 45 | 32 | 44 | --- | 47 | 61 | 33 | e60 | 23 | 48 | 25 |
30 | 31 | 42 | 30 | 48 | --- | 43 | 62 | 27 | e46 | 19 | 38 | 39 |
31 | 29 | --- | 28 | 48 | --- | 95 | --- | 28 | --- | 25 | 33 | --- |
TOTAL | 822 | 819 | 960 | 1857 | 1737 | 2262 | 2383 | 2455 | 1592 | 1199 | 1965 | 1473 |
MEAN | 26.5 | 27.3 | 31.0 | 59.9 | 62.0 | 73.0 | 79.4 | 79.2 | 53.1 | 38.7 | 63.4 | 49.1 |
MAX | 96 | 45 | 49 | 153 | 126 | 303 | 140 | 499 | 180 | 190 | 317 | 392 |
MIN | 18 | 20 | 24 | 21 | 30 | 15 | 47 | 27 | 20 | 19 | 16 | 21 |
CFSM | 1.00 | 1.03 | 1.16 | 2.25 | 2.33 | 2.74 | 2.99 | 2.98 | 1.99 | 1.45 | 2.38 | 1.85 |
IN. | 1.15 | 1.15 | 1.34 | 2.60 | 2.43 | 3.16 | 3.33 | 3.43 | 2.23 | 1.68 | 2.75 | 2.06 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1990 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 32.3 | 52.9 | 38.8 | 48.4 | 54.8 | 60.6 | 70.2 | 68.1 | 55.8 | 37.8 | 41.2 | 31.9 |
MAX | 60.1 | 92.8 | 56.2 | 100 | 138 | 87.8 | 139 | 121 | 97.2 | 96.5 | 63.4 | 49.6 |
(WY) | 1992 | 1991 | 1991 | 1993 | 1997 | 1993 | 1993 | 1990 | 1993 | 1996 | 1998 | 1993 |
MIN | 18.5 | 21.8 | 16.3 | 25.4 | 28.9 | 29.9 | 33.3 | 22.2 | 21.5 | 19.9 | 18.4 | 19.7 |
(WY) | 1990 | 1990 | 1990 | 1994 | 1996 | 1996 | 1990 | 1992 | 1992 | 1991 | 1991 | 1995 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1990 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 17450 | 19524 | ||||
ANNUAL MEAN | 47.8 | 53.5 | 49.3 | |||
HIGHEST ANNUAL MEAN | 64.1 | 1993 | ||||
LOWEST ANNUAL MEAN | 38.5 | 1994 | ||||
HIGHEST DAILY MEAN | 746 | Feb 21 | 499 | May 8 | 853 | Jul 18 1996 |
LOWEST DAILY MEAN | 17 | Aug 2 | 15 | Mar 7 | 11 | A |
ANNUAL SEVEN-DAY MINIMUM | 19 | Sep 9 | 19 | Oct 2 | 12 | Aug 14 1992 |
INSTANTANEOUS PEAK FLOW | 547 | May 8 | 936 | Jul 18 1996 | ||
INSTANTANEOUS PEAK STAGE | 14.18 | May 8 | 16.13 B | Jul 18 1996 | ||
INSTANTANEOUS LOW FLOW | 9.9 | Jul 30 | 3.6 | Dec 19 1989 | ||
ANNUAL RUNOFF (CFSM) | 1.80 | 2.01 | 1.85 | |||
ANNUAL RUNOFF (INCHES) | 24.40 | 27.30 | 25.20 | |||
10 PERCENT EXCEEDS | 77 | 105 | 92 | |||
50 PERCENT EXCEEDS | 33 | 36 | 32 | |||
90 PERCENT EXCEEDS | 20 | 22 | 18 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |