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 | .48 | 1.1 | e2.1 | e3.5 | 275 | 38 | 23 | 90 | 209 | 14 | .48 | .15 |
2 | .42 | 2.3 | e3.0 | e12 | 185 | 38 | 21 | 77 | 1920 | 13 | .40 | .17 |
3 | .40 | 7.1 | e3.0 | e10 | 119 | 43 | 21 | 68 | 607 | 12 | .37 | .20 |
4 | .46 | 2.8 | e2.6 | e9.0 | 85 | 34 | 22 | 62 | 254 | 10 | .36 | .17 |
5 | .68 | 1.5 | e2.3 | e8.5 | 62 | 34 | 18 | 118 | 586 | 8.7 | .34 | e.16 |
6 | .94 | 1.3 | e2.6 | e7.8 | 61 | 38 | 29 | 316 | 186 | 8.0 | .40 | e.14 |
7 | .69 | 1.2 | 3.8 | e7.4 | 1680 | 27 | 20 | 196 | 108 | 7.6 | .52 | e.12 |
8 | .69 | 1.3 | 3.5 | e7.0 | 1080 | 28 | 19 | 115 | 79 | 6.5 | .60 | e.10 |
9 | .51 | 2.1 | 3.1 | e6.5 | 360 | 49 | 39 | 81 | 64 | 11 | .47 | e.08 |
10 | .43 | 23 | 2.9 | e6.2 | 224 | 52 | 31 | 69 | 52 | 6.0 | .41 | e.07 |
11 | .36 | 12 | 2.8 | e7.0 | 241 | 62 | 23 | 61 | 52 | 4.3 | .40 | e.06 |
12 | .24 | 5.2 | 2.9 | e10 | 370 | 54 | 19 | 163 | 55 | 3.5 | .40 | e.08 |
13 | .20 | 6.0 | 3.0 | e15 | 177 | 48 | 18 | 471 | 314 | 3.0 | .64 | e.12 |
14 | .16 | 3.4 | 3.0 | e25 | 135 | 43 | 19 | 172 | 346 | 2.7 | .31 | e.12 |
15 | .18 | 3.4 | 2.8 | e30 | 123 | 36 | 203 | 116 | 94 | 2.4 | .26 | e.13 |
16 | .17 | 3.0 | 2.9 | e26 | 115 | 33 | 595 | 93 | 62 | 2.0 | .26 | e.12 |
17 | .41 | 2.6 | 2.9 | e30 | 103 | 34 | 521 | 80 | 49 | 1.9 | .25 | e.10 |
18 | .46 | 2.5 | 2.9 | e170 | 89 | 28 | 293 | 72 | 39 | 1.8 | .30 | e.07 |
19 | .44 | 2.4 | 2.9 | e120 | 77 | 24 | 195 | 60 | 34 | 1.6 | .39 | e.06 |
20 | .44 | 2.3 | 3.0 | e90 | 66 | 24 | 146 | 56 | 30 | 1.4 | .51 | e.07 |
21 | .57 | 2.2 | 4.1 | e160 | 54 | 25 | 131 | 57 | 27 | 1.2 | .43 | e.08 |
22 | .54 | 2.2 | 5.9 | 1430 | 50 | 23 | 109 | 73 | 24 | 1.0 | .28 | .09 |
23 | .56 | 2.4 | 3.8 | 1270 | 56 | 24 | 84 | 48 | 23 | .89 | .34 | .08 |
24 | .52 | 2.2 | 3.4 | 756 | 50 | 23 | 65 | 42 | 32 | .71 | .60 | .14 |
25 | .46 | 2.7 | 3.2 | 302 | 47 | 21 | 61 | 35 | 43 | .67 | .21 | .21 |
26 | .53 | 2.5 | e3.0 | 190 | 42 | 19 | 69 | 31 | 27 | .63 | .21 | .15 |
27 | .70 | e2.3 | e2.8 | 170 | 49 | 19 | 152 | 28 | 24 | 1.2 | .17 | .15 |
28 | .87 | e2.2 | e2.7 | 125 | 49 | 20 | 394 | 26 | 20 | 1.1 | .16 | .22 |
29 | 1.1 | e2.1 | e3.5 | 87 | --- | 20 | 200 | 24 | 17 | .82 | .14 | .32 |
30 | 1.2 | e2.0 | e5.0 | 73 | --- | 18 | 119 | 23 | 15 | .65 | .14 | .05 |
31 | 1.0 | --- | e4.0 | 272 | --- | 20 | --- | 32 | --- | .54 | .15 | --- |
TOTAL | 16.81 | 109.3 | 99.4 | 5435.9 | 6024 | 999 | 3659 | 2955 | 5392 | 130.81 | 10.90 | 3.78 |
MEAN | .54 | 3.64 | 3.21 | 175 | 215 | 32.2 | 122 | 95.3 | 180 | 4.22 | .35 | .13 |
MAX | 1.2 | 23 | 5.9 | 1430 | 1680 | 62 | 595 | 471 | 1920 | 14 | .64 | .32 |
MIN | .16 | 1.1 | 2.1 | 3.5 | 42 | 18 | 18 | 23 | 15 | .54 | .14 | .05 |
CFSM | .01 | .04 | .03 | 1.88 | 2.31 | .35 | 1.31 | 1.02 | 1.93 | .05 | .00 | .00 |
IN. | .01 | .04 | .04 | 2.17 | 2.41 | .40 | 1.46 | 1.18 | 2.15 | .05 | .00 | .00 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 19.3 | 61.8 | 119 | 98.3 | 154 | 124 | 143 | 159 | 82.4 | 28.2 | 20.5 | 43.7 |
MAX | 131 | 305 | 480 | 343 | 874 | 332 | 460 | 602 | 254 | 187 | 227 | 633 |
(WY) | 1994 | 1986 | 1983 | 1982 | 1982 | 1998 | 1994 | 1996 | 1998 | 1993 | 1981 | 1993 |
MIN | .17 | .64 | .24 | 1.75 | 7.00 | 12.9 | 17.7 | 10.9 | 1.84 | 1.04 | .30 | .065 |
(WY) | 1998 | 1990 | 1990 | 1990 | 1992 | 1990 | 1986 | 1988 | 1988 | 1991 | 1988 | 1983 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1980 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 35434.58 | 24835.90 | ||||
ANNUAL MEAN | 97.1 | 68.0 | 87.3 | |||
HIGHEST ANNUAL MEAN | 163 | 1993 | ||||
LOWEST ANNUAL MEAN | 10.7 | 1992 | ||||
HIGHEST DAILY MEAN | 1640 | Mar 20 | 1920 | Jun 2 | 7460 | Sep 23 1993 |
LOWEST DAILY MEAN | .16 | Oct 14 | .05 A | Sep 30 | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | .25 | Oct 11 | .08 | Sep 17 | .00 | Sep 4 1983 |
INSTANTANEOUS PEAK FLOW | 2640 | Feb 7 | 11300 C | May 2 1983 | ||
INSTANTANEOUS PEAK STAGE | 11.04 | Feb 7 | 14.92 | Sep 23 1993 | ||
INSTANTANEOUS LOW FLOW | .03 A | Sep 30 | ||||
ANNUAL RUNOFF (CFSM) | 1.04 | .73 | .94 | |||
ANNUAL RUNOFF (INCHES) | 14.16 | 9.92 | 12.74 | |||
10 PERCENT EXCEEDS | 230 | 166 | 168 | |||
50 PERCENT EXCEEDS | 31 | 8.0 | 20 | |||
90 PERCENT EXCEEDS | .68 | .21 | .31 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |