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 | .12 | .33 | e6.0 | e4.0 | e10 | e20 | 63 | 99 | 8.7 | 11 | 4.8 | 3.5 |
2 | .09 | .31 | e2.0 | e3.0 | e8.5 | e16 | 40 | 88 | 7.9 | 8.2 | 2.8 | 1.9 |
3 | .07 | .36 | e.90 | e2.3 | e7.5 | e13 | 151 | 89 | 6.5 | 7.1 | 2.2 | 1.2 |
4 | .05 | .27 | e4.5 | e2.0 | e6.6 | e12 | 116 | 43 | 187 | 9.4 | 34 | 1.0 |
5 | .04 | 1.0 | e2.5 | e30 | e5.6 | e11 | 55 | 30 | 220 | 7.3 | 398 | .85 |
6 | .02 | 23 | e1.4 | e50 | e5.2 | e10 | 41 | 27 | 50 | 30 | 85 | .74 |
7 | .01 | 7.9 | e.90 | e70 | e4.8 | e9.5 | 35 | 60 | 29 | 152 | 31 | .69 |
8 | .03 | 2.0 | e.70 | e300 | e4.6 | 295 | 29 | 31 | 184 | 43 | 22 | .62 |
9 | .05 | .87 | e.90 | e110 | e4.5 | 242 | 24 | 22 | 161 | 15 | 9.0 | .54 |
10 | .05 | .51 | e3.0 | e60 | e4.4 | 97 | 20 | 17 | 50 | 9.8 | 6.0 | .53 |
11 | .05 | .43 | e8.0 | e30 | e50 | 49 | 17 | 13 | 315 | 11 | 4.6 | .66 |
12 | .05 | .31 | e4.0 | e19 | e75 | 47 | 15 | 14 | 171 | 6.4 | 3.8 | .52 |
13 | .14 | .35 | e2.0 | e13 | 33 | 36 | 24 | 12 | 60 | 5.1 | 3.4 | .48 |
14 | .10 | .34 | e1.4 | e15 | 14 | 46 | 34 | 9.2 | 322 | 4.3 | 3.6 | .51 |
15 | .11 | .77 | e1.0 | e30 | 9.9 | 24 | 191 | 7.4 | 112 | 3.9 | 2.4 | .57 |
16 | .06 | .64 | e.85 | e16 | 52 | 22 | 157 | 6.4 | 89 | 3.5 | 2.3 | .65 |
17 | .03 | .32 | e.75 | e10 | 261 | 178 | 58 | 5.3 | 43 | 2.9 | 1.9 | 152 |
18 | .06 | .27 | e.70 | e8.5 | 228 | 375 | 40 | 4.8 | 30 | 2.4 | 16 | 7.1 |
19 | .13 | .29 | e.64 | e7.5 | 105 | 158 | 33 | 4.1 | 25 | 2.1 | 3.0 | 3.3 |
20 | .10 | .27 | e.60 | e6.8 | e50 | 777 | 27 | 4.0 | 27 | 1.8 | 2.4 | 2.2 |
21 | .07 | .33 | e.70 | e6.4 | e35 | 197 | 23 | 23 | 498 | 1.5 | 2.0 | 1.8 |
22 | .06 | .37 | e1.0 | e8.0 | e26 | 80 | 20 | 505 | 101 | 1.6 | 1.5 | 1.6 |
23 | .04 | .33 | e2.5 | e9.0 | e20 | 61 | 19 | 100 | 55 | 1.9 | 1.4 | 1.4 |
24 | .17 | .39 | e85 | e7.0 | e16 | 49 | 16 | 54 | 33 | 1.7 | 1.3 | 1.3 |
25 | .89 | .43 | e130 | e6.0 | 13 | 43 | 16 | 70 | 24 | 1.4 | 1.2 | 8.6 |
26 | 1.5 | .46 | e25 | e9.0 | 15 | 38 | 13 | 41 | 18 | 2.1 | 1.0 | 7.3 |
27 | 1.6 | .45 | e10 | e20 | 88 | 41 | 11 | 27 | 14 | 3.4 | 1.0 | 1.8 |
28 | .71 | .47 | e6.5 | e37 | 32 | 352 | 18 | 20 | 11 | 1.6 | 1.0 | 1.3 |
29 | .37 | .91 | e4.0 | e24 | --- | 75 | 140 | 16 | 23 | 1.3 | 1.1 | 1.1 |
30 | .22 | e15 | e2.5 | e16 | --- | 50 | 117 | 13 | 25 | 177 | .96 | 1.1 |
31 | .19 | --- | e5.0 | e13 | --- | 64 | --- | 11 | --- | 19 | 1.1 | --- |
TOTAL | 7.18 | 59.68 | 314.94 | 942.5 | 1184.6 | 3487.5 | 1563 | 1466.2 | 2900.1 | 548.7 | 651.76 | 206.86 |
MEAN | .23 | 1.99 | 10.2 | 30.4 | 42.3 | 113 | 52.1 | 47.3 | 96.7 | 17.7 | 21.0 | 6.90 |
MAX | 1.6 | 23 | 130 | 300 | 261 | 777 | 191 | 505 | 498 | 177 | 398 | 152 |
MIN | .01 | .27 | .60 | 2.0 | 4.4 | 9.5 | 11 | 4.0 | 6.5 | 1.3 | .96 | .48 |
CFSM | .01 | .05 | .28 | .83 | 1.15 | 3.07 | 1.42 | 1.29 | 2.63 | .48 | .57 | .19 |
IN. | .01 | .06 | .32 | .96 | 1.20 | 3.54 | 1.58 | 1.49 | 2.94 | .56 | .66 | .21 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 6.90 | 18.5 | 27.3 | 30.8 | 36.4 | 42.5 | 48.5 | 38.2 | 29.8 | 20.0 | 12.3 | 7.35 |
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 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1941 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 6329.33 | 13333.02 | ||||
ANNUAL MEAN | 17.3 | 36.5 | 26.5 | |||
HIGHEST ANNUAL MEAN | 50.7 | 1969 | ||||
LOWEST ANNUAL MEAN | 1.39 | 1954 | ||||
HIGHEST DAILY MEAN | 752 | Feb 27 | 777 | Mar 20 | 4270 | Aug 15 1946 |
LOWEST DAILY MEAN | .01 | Oct 7 | .01 | Oct 7 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | .04 | Oct 4 | .04 | Oct 4 | .00 | Oct 11 1940 |
INSTANTANEOUS PEAK FLOW | 1310 | Aug 5 | 9340 | Aug 15 1946 | ||
INSTANTANEOUS PEAK STAGE | 11.47 | Aug 5 | 18.41 B | Aug 15 1946 | ||
INSTANTANEOUS LOW FLOW | .00 | Oct 6,7 | ||||
ANNUAL RUNOFF (CFSM) | .47 | 1.00 | .72 | |||
ANNUAL RUNOFF (INCHES) | 6.42 | 13.51 | 9.80 | |||
10 PERCENT EXCEEDS | 35 | 99 | 41 | |||
50 PERCENT EXCEEDS | 3.2 | 8.0 | 3.4 | |||
90 PERCENT EXCEEDS | .12 | .34 | .00 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |