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 | 1.0 | 1.8 | 4.6 | e1.7 | 152 | 16 | 13 | 17 | 16 | 125 | 1.7 | .29 |
2 | .95 | 138 | 4.2 | e1.9 | 67 | 16 | 13 | 16 | 43 | 42 | 1.5 | .26 |
3 | 1.1 | 126 | 4.4 | e2.4 | 43 | 16 | 36 | 15 | 13 | 20 | 1.4 | .24 |
4 | 1.0 | 33 | 4.4 | e3.0 | 32 | 14 | 111 | 16 | 9.4 | 13 | 1.3 | .20 |
5 | 2.1 | 15 | 4.7 | e4.0 | 27 | 14 | 51 | 36 | 11 | 10 | 1.2 | .20 |
6 | 6.3 | 9.8 | 4.4 | e3.5 | 28 | 15 | 118 | 32 | 8.1 | 109 | 1.2 | .20 |
7 | 2.8 | 8.4 | 5.3 | e3.0 | 1580 | 12 | 35 | 24 | 6.3 | 47 | 1.1 | .19 |
8 | 1.8 | 8.7 | 4.2 | e2.6 | 176 | 21 | 29 | 16 | 6.1 | 12 | 3.6 | .18 |
9 | 1.5 | 11 | 3.6 | e2.4 | 84 | 77 | 99 | 13 | 6.0 | 151 | 1.6 | .18 |
10 | 1.3 | 137 | 3.2 | e2.3 | 63 | 52 | 35 | 13 | 5.9 | 74 | 1.3 | .17 |
11 | 1.2 | 43 | 3.1 | e3.0 | 115 | 30 | 26 | 12 | 18 | 20 | 1.1 | .18 |
12 | 1.1 | 18 | 3.1 | e4.0 | 98 | 24 | 20 | 31 | 11 | 13 | 1.0 | .22 |
13 | 1.1 | 15 | 3.2 | e8.0 | 45 | 23 | 18 | 144 | 547 | 10 | 1.0 | .25 |
14 | 1.1 | 11 | 3.0 | e15 | 39 | 20 | 18 | 33 | 49 | 8.3 | .86 | .19 |
15 | 1.1 | 8.6 | 2.8 | e13 | 36 | 19 | 60 | 26 | 23 | 6.8 | .74 | .17 |
16 | 1.1 | 7.8 | 2.9 | e12 | 34 | 17 | 64 | 26 | 17 | 6.1 | .72 | .17 |
17 | 1.6 | 6.6 | 2.9 | e50 | 32 | 16 | 37 | 20 | 13 | 5.7 | .66 | .16 |
18 | 19 | 6.1 | 2.9 | 263 | 29 | 13 | 27 | 17 | 11 | 5.3 | .61 | .15 |
19 | 7.7 | 6.8 | 3.7 | 152 | 25 | 12 | 23 | 14 | 10 | 4.9 | .70 | .16 |
20 | 2.8 | 7.2 | 3.5 | 99 | 23 | 12 | 21 | 13 | 9.4 | 4.6 | .67 | .17 |
21 | 1.9 | 5.6 | 6.1 | 152 | 21 | 12 | 23 | 12 | 8.8 | 4.4 | .59 | .16 |
22 | 1.6 | 5.2 | 4.4 | 296 | 20 | 12 | 19 | 13 | 8.3 | 4.0 | .55 | .15 |
23 | 1.5 | 5.0 | 2.9 | 248 | 21 | 92 | 16 | 12 | 8.9 | 3.6 | .62 | .15 |
24 | 1.4 | 4.5 | 2.6 | 160 | 21 | 35 | 15 | 11 | 11 | 3.4 | 28 | .15 |
25 | 1.4 | 4.8 | e2.5 | 78 | 21 | 23 | 15 | 9.7 | 7.8 | 3.2 | 1.8 | .14 |
26 | 1.4 | 4.4 | e2.4 | 55 | 19 | 19 | 32 | 9.2 | 421 | 2.9 | .83 | .12 |
27 | 1.3 | 4.2 | e2.2 | 49 | 19 | 17 | 27 | 8.9 | 76 | 9.2 | .57 | .12 |
28 | 1.3 | 4.3 | e2.0 | 40 | 18 | 16 | 39 | 8.7 | 30 | 4.0 | .46 | .14 |
29 | 3.9 | 4.6 | e1.9 | 32 | --- | 15 | 45 | 8.5 | 19 | 3.2 | .40 | .19 |
30 | 4.1 | 5.0 | e1.8 | 28 | --- | 13 | 23 | 8.2 | 14 | 2.3 | .64 | .16 |
31 | 2.2 | --- | e1.7 | 398 | --- | 13 | --- | 9.6 | --- | 2.0 | .40 | --- |
TOTAL | 79.65 | 666.4 | 104.6 | 2181.8 | 2888 | 706 | 1108 | 644.8 | 1438.0 | 729.9 | 58.82 | 5.41 |
MEAN | 2.57 | 22.2 | 3.37 | 70.4 | 103 | 22.8 | 36.9 | 20.8 | 47.9 | 23.5 | 1.90 | .18 |
MAX | 19 | 138 | 6.1 | 398 | 1580 | 92 | 118 | 144 | 547 | 151 | 28 | .29 |
MIN | .95 | 1.8 | 1.7 | 1.7 | 18 | 12 | 13 | 8.2 | 5.9 | 2.0 | .40 | .12 |
CFSM | .07 | .61 | .09 | 1.92 | 2.81 | .62 | 1.01 | .57 | 1.31 | .64 | .05 | .00 |
IN. | .08 | .68 | .11 | 2.21 | 2.93 | .72 | 1.12 | .65 | 1.46 | .74 | .06 | .01 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 6.83 | 18.6 | 26.9 | 31.5 | 37.5 | 42.1 | 48.3 | 37.9 | 30.1 | 20.1 | 12.1 | 7.23 |
MAX | 68.5 | 223 | 173 | 235 | 117 | 197 | 211 | 243 | 202 | 156 | 305 | 94.5 |
(WY) | 1970 | 1947 | 1968 | 1950 | 1951 | 1978 | 1944 | 1943 | 1957 | 1969 | 1946 | 1993 |
MIN | .000 | .000 | .000 | .000 | .091 | .045 | .26 | .070 | .022 | .052 | .005 | .000 |
(WY) | 1954 | 1954 | 1954 | 1956 | 1954 | 1954 | 1954 | 1954 | 1955 | 1966 | 1953 | 1953 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1941 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 13801.87 | 10611.38 | ||||
ANNUAL MEAN | 37.8 | 29.1 | 26.5 | |||
HIGHEST ANNUAL MEAN | 50.7 | 1969 | ||||
LOWEST ANNUAL MEAN | 1.39 | 1954 | ||||
HIGHEST DAILY MEAN | 777 | Mar 20 | 1580 | Feb 7 | 4270 | Aug 15 1946 |
LOWEST DAILY MEAN | .48 | Sep 13 | .12 | Sep 26,27 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .54 | Sep 9 | .14 | Sep 22 | .00 | Oct 11 1940 |
INSTANTANEOUS PEAK FLOW | 2200 | Feb 7 | 9340 | Aug 15 1946 | ||
INSTANTANEOUS PEAK STAGE | 14.17 | Feb 7 | 18.41 B | Aug 15 1946 | ||
INSTANTANEOUS LOW FLOW | .11 | Sep 26 | ||||
ANNUAL RUNOFF (CFSM) | 1.03 | .79 | .72 | |||
ANNUAL RUNOFF (INCHES) | 13.99 | 10.76 | 9.82 | |||
10 PERCENT EXCEEDS | 103 | 53 | 41 | |||
50 PERCENT EXCEEDS | 8.7 | 8.9 | 3.5 | |||
90 PERCENT EXCEEDS | 1.3 | .60 | .00 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |