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DISCHARGE: October 1979 to current year. |
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STAGE: Water years 1994-2000. Gage-height record for April 1955 to Sept. 30, 1979, available in files of U.S. Army Corps of Engineers. |
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CHEMICAL: Water years 1978-91. |
| DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | .00 | .00 | .00 | .02 | e.00 | 10 | 6.7 | 5.5 | 18 | 21 | 3.3 | 8.5 |
| 2 | .00 | .00 | .00 | .00 | e.00 | 5.9 | 5.9 | 4.5 | 10 | 55 | 2.7 | 6.7 |
| 3 | .00 | .00 | .00 | .28 | e.02 | 4.4 | 5.2 | 3.8 | 6.6 | 51 | 5.4 | 5.7 |
| 4 | .00 | .00 | .00 | .15 | e.05 | 4.0 | 4.6 | 3.1 | 4.7 | 103 | 5.0 | 4.6 |
| 5 | .00 | .00 | .00 | .26 | e.10 | 5.2 | 4.0 | 3.1 | 4.3 | 51 | 40 | 3.9 |
| 6 | .00 | .00 | .00 | 1.5 | e.20 | 8.4 | 3.7 | 3.5 | 3.4 | 176 | 17 | 3.4 |
| 7 | .00 | .00 | .00 | 3.2 | e.25 | 6.0 | 233 | 233 | 2.8 | 52 | 110 | 3.2 |
| 8 | .00 | .00 | .00 | 2.5 | e.30 | 4.2 | 910 | 410 | 2.4 | 25 | 1090 | 2.8 |
| 9 | .00 | .00 | .09 | 2.0 | e.40 | 3.0 | 228 | 203 | 2.0 | 15 | 854 | 2.7 |
| 10 | .00 | .00 | .25 | 1.6 | e.47 | 2.0 | 66 | 355 | 1.6 | 10 | 176 | 2.9 |
| 11 | .00 | .00 | .00 | 1.2 | .58 | 2.2 | 40 | 127 | 1.6 | 155 | 51 | 3.3 |
| 12 | .00 | .00 | .03 | 1.2 | .78 | 2.6 | 25 | 45 | 1.7 | 702 | 25 | 3.3 |
| 13 | .00 | .00 | .00 | 1.0 | 1.2 | 3.6 | 18 | 28 | 2.2 | 144 | 15 | 3.2 |
| 14 | .00 | .00 | .01 | .89 | 2.1 | 44 | 14 | 49 | 2.0 | 45 | 10 | 3.4 |
| 15 | .00 | .00 | .00 | .70 | 2.6 | 57 | 12 | 30 | 1.8 | 22 | 8.1 | 4.1 |
| 16 | .00 | .00 | .00 | .54 | 3.6 | 32 | 11 | 14 | 78 | 14 | 6.1 | 4.6 |
| 17 | .00 | .00 | .00 | .44 | 2.9 | 23 | 13 | 11 | 1140 | 9.8 | 5.1 | 3.6 |
| 18 | .00 | .00 | 1.8 | .62 | 30 | 18 | 15 | 13 | 877 | 27 | 15 | 3.1 |
| 19 | .00 | .00 | 2.2 | .56 | 260 | 48 | 22 | 6.3 | 196 | 279 | 22 | 2.7 |
| 20 | .00 | .00 | 1.3 | e.50 | 58 | 1030 | 14 | 4.6 | 47 | 197 | 21 | 2.3 |
| 21 | .00 | .00 | e.80 | e.40 | 19 | 505 | 10 | 3.8 | 193 | 51 | 12 | 2.0 |
| 22 | .00 | .00 | e.60 | e.35 | 9.3 | 103 | 8.2 | 3.5 | 208 | 22 | 8.5 | 2.1 |
| 23 | .00 | .00 | e.45 | e.30 | 5.9 | 56 | 6.4 | 3.6 | 64 | 13 | 57 | 2.0 |
| 24 | .00 | .00 | e.35 | e.25 | 4.1 | 37 | 9.9 | 3.2 | 1880 | 8.3 | 775 | 2.0 |
| 25 | .00 | .00 | e.27 | e.20 | 3.3 | 25 | 21 | 2.5 | 2200 | 5.6 | 1010 | 64 |
| 26 | .00 | .00 | e.22 | e.12 | 5.1 | 18 | 32 | 3.6 | 2230 | 4.4 | 309 | 299 |
| 27 | .00 | .00 | e.15 | e.06 | 47 | 17 | 19 | 745 | 649 | 3.7 | 86 | 120 |
| 28 | .00 | .00 | .11 | e.00 | 65 | 15 | 13 | 744 | 99 | 3.8 | 49 | 44 |
| 29 | .00 | .00 | .07 | e.00 | 24 | 13 | 9.3 | 165 | 50 | 7.3 | 26 | 19 |
| 30 | .00 | .00 | .06 | e.00 | --- | 9.5 | 6.9 | 54 | 30 | 6.3 | 17 | 9.4 |
| 31 | .00 | --- | .08 | e.00 | --- | 7.7 | --- | 31 | --- | 5.1 | 11 | --- |
| TOTAL | 0.00 | 0.00 | 8.84 | 20.84 | 546.25 | 2119.7 | 1786.8 | 3311.6 | 10006.1 | 2284.3 | 4842.2 | 641.5 |
| MEAN | .000 | .000 | .29 | .67 | 18.8 | 68.4 | 59.6 | 107 | 334 | 73.7 | 156 | 21.4 |
| MAX | .00 | .00 | 2.2 | 3.2 | 260 | 1030 | 910 | 745 | 2230 | 702 | 1090 | 299 |
| MIN | .00 | .00 | .00 | .00 | .00 | 2.0 | 3.7 | 2.5 | 1.6 | 3.7 | 2.7 | 2.0 |
| CFSM | .00 | .00 | .00 | .01 | .17 | .61 | .53 | .95 | 2.95 | .65 | 1.38 | .19 |
| IN. | .00 | .00 | .00 | .01 | .18 | .70 | .59 | 1.09 | 3.29 | .75 | 1.59 | .21 |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 2000, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 16.3 | 103 | 122 | 129 | 175 | 174 | 174 | 145 | 71.3 | 47.2 | 30.8 | 28.9 |
| MAX | 111 | 628 | 547 | 522 | 591 | 425 | 628 | 862 | 334 | 268 | 196 | 341 |
| (WY) | 1985 | 1986 | 1988 | 1999 | 1982 | 1984 | 1994 | 1990 | 2000 | 1993 | 1985 | 1993 |
| MIN | .000 | .000 | .21 | .030 | 6.48 | 4.61 | 2.10 | 2.64 | .16 | .057 | .004 | .006 |
| (WY) | 2000 | 2000 | 1990 | 1981 | 1996 | 1981 | 1981 | 1988 | 1988 | 1984 | 1983 | 1996 |
| SUMMARY STATISTICS | FOR 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1980 - 2000 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 43210.50 | 25568.13 | ||||
| ANNUAL MEAN | 118 | 69.9 | 101 | |||
| HIGHEST ANNUAL MEAN | 175 | 1985 | ||||
| LOWEST ANNUAL MEAN | 29.7 | 1981 | ||||
| HIGHEST DAILY MEAN | 3340 | Feb 8 | 2230 | Jun 26 | 7660 | May 17 1990 |
| LOWEST DAILY MEAN | .00 | Many days | .00 | Many days | .00 | A |
| ANNUAL SEVEN-DAY MINIMUM | .00 | Aug 14 | .00 | Oct 1 | .00 | Oct 9 1980 |
| INSTANTANEOUS PEAK FLOW | 2660 | Jun 26 | 17000 B | May 16 1990 | ||
| INSTANTANEOUS PEAK STAGE | 16.17 | Jun 26 | 20.03 | May 16 1990 | ||
| ANNUAL RUNOFF (CFSM) | 1.05 | .62 | .89 | |||
| ANNUAL RUNOFF (INCHES) | 14.23 | 8.42 | 12.14 | |||
| 10 PERCENT EXCEEDS | 218 | 122 | 182 | |||
| 50 PERCENT EXCEEDS | 5.1 | 3.7 | 8.2 | |||
| 90 PERCENT EXCEEDS | .00 | .00 | .05 | |||
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |