|
DISCHARGE: June 1970 to September 1973, low-flow partial-record station. October 1988 to current year. |
|
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 | 8.3 | 7.1 | 8.9 | e13 | e11 | 87 | 34 | 40 | 325 | 146 | 108 | 8.7 |
| 2 | 5.2 | 7.2 | 9.4 | e14 | e11 | 69 | 35 | 61 | 263 | 127 | 87 | 8.0 |
| 3 | 6.1 | 8.7 | 10 | 18 | e10 | 57 | 36 | 69 | 207 | 115 | 83 | 8.3 |
| 4 | 13 | 13 | 12 | 23 | e10 | 53 | 35 | 59 | 185 | 109 | 111 | 15 |
| 5 | 12 | 12 | 18 | 20 | e11 | 48 | 32 | 52 | 181 | 788 | 63 | 12 |
| 6 | 7.3 | 11 | 27 | 17 | e11 | 44 | 31 | 48 | 154 | 883 | 50 | 9.6 |
| 7 | 6.4 | 11 | 20 | 16 | e11 | 40 | 32 | 46 | 131 | 389 | 44 | 8.8 |
| 8 | 6.7 | 11 | 15 | 15 | e12 | 38 | 32 | 46 | 125 | 236 | 36 | 8.2 |
| 9 | 8.3 | 10 | 13 | 16 | e12 | 40 | 28 | 49 | 117 | 173 | 32 | 8.1 |
| 10 | 11 | 13 | 13 | 16 | e16 | 38 | 25 | 120 | 106 | 222 | 32 | 9.9 |
| 11 | 10 | 11 | 15 | 16 | e20 | 35 | 28 | 131 | 102 | 547 | 28 | 12 |
| 12 | 7.3 | 9.0 | 12 | 15 | e23 | 35 | 27 | 94 | 100 | 284 | 24 | 18 |
| 13 | 6.4 | 8.9 | 12 | 15 | e21 | 35 | 24 | 77 | 95 | 188 | 22 | 18 |
| 14 | 6.1 | 8.9 | 17 | 13 | e20 | 38 | 24 | 56 | 128 | 140 | 20 | 12 |
| 15 | 7.1 | 9.5 | 25 | 13 | e19 | 41 | 26 | 48 | 305 | 113 | 19 | 9.9 |
| 16 | 8.4 | 9.1 | 20 | 14 | e20 | 35 | 27 | 46 | 237 | 93 | 18 | 8.6 |
| 17 | 9.0 | 8.9 | 18 | 13 | 25 | 32 | 87 | 49 | 156 | 79 | 17 | 7.3 |
| 18 | 8.9 | 9.0 | 16 | e12 | 69 | 31 | 122 | 53 | 122 | 68 | 28 | 6.5 |
| 19 | 8.5 | 9.5 | 15 | e11 | 145 | 38 | 83 | 103 | 106 | 64 | 22 | 6.1 |
| 20 | 8.4 | 9.7 | e13 | e13 | 81 | 169 | 72 | 131 | 109 | 60 | 17 | 6.0 |
| 21 | 8.5 | 9.7 | e12 | e12 | 58 | 192 | 75 | 85 | 842 | 52 | 14 | 6.3 |
| 22 | 7.7 | 10 | e11 | e11 | 59 | 114 | 82 | 70 | 1010 | 47 | 14 | 7.9 |
| 23 | 7.4 | 10 | e10 | e11 | 65 | 85 | 76 | 65 | 518 | 41 | 15 | 7.5 |
| 24 | 7.8 | 11 | e9.9 | e9.9 | 59 | 75 | 68 | 57 | 591 | 37 | 15 | 11 |
| 25 | 7.8 | 14 | e9.8 | e9.4 | 53 | 69 | 58 | 46 | 1300 | 35 | 14 | 15 |
| 26 | 7.7 | 11 | e9.9 | e9.0 | 52 | 58 | 50 | 41 | 801 | 32 | 12 | 20 |
| 27 | 7.5 | 9.3 | e10 | e9.2 | 161 | 59 | 48 | 1450 | 443 | 29 | 11 | 14 |
| 28 | 8.2 | 8.9 | e9.9 | e9.4 | 158 | 57 | 48 | 2120 | 292 | 27 | 11 | 12 |
| 29 | 7.7 | 8.9 | e11 | e9.9 | 104 | 48 | 44 | 1060 | 224 | 27 | 11 | 10 |
| 30 | 10 | 8.9 | e12 | e10 | --- | 39 | 39 | 589 | 179 | 95 | 11 | 8.9 |
| 31 | 12 | --- | e12 | e11 | --- | 35 | --- | 390 | --- | 159 | 9.5 | --- |
| TOTAL | 256.7 | 299.2 | 426.8 | 414.8 | 1327 | 1834 | 1428 | 7351 | 9454 | 5405 | 998.5 | 313.6 |
| MEAN | 8.28 | 9.97 | 13.8 | 13.4 | 45.8 | 59.2 | 47.6 | 237 | 315 | 174 | 32.2 | 10.5 |
| MAX | 13 | 14 | 27 | 23 | 161 | 192 | 122 | 2120 | 1300 | 883 | 111 | 20 |
| MIN | 5.2 | 7.1 | 8.9 | 9.0 | 10 | 31 | 24 | 40 | 95 | 27 | 9.5 | 6.0 |
| CFSM | .03 | .04 | .05 | .05 | .17 | .23 | .18 | .91 | 1.20 | .67 | .12 | .04 |
| IN. | .04 | .04 | .06 | .06 | .19 | .26 | .20 | 1.04 | 1.34 | .77 | .14 | .04 |
| STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2000, BY WATER YEAR (WY) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MEAN | 122 | 228 | 226 | 356 | 308 | 518 | 514 | 548 | 454 | 272 | 76.2 | 61.3 |
| MAX | 662 | 1162 | 1160 | 1387 | 892 | 1063 | 1728 | 1033 | 1565 | 1281 | 196 | 504 |
| (WY) | 1994 | 1993 | 1991 | 1993 | 1990 | 1990 | 1994 | 1998 | 1998 | 1993 | 1993 | 1993 |
| MIN | 6.73 | 9.68 | 13.8 | 13.4 | 45.8 | 59.2 | 47.6 | 96.9 | 140 | 16.3 | 6.74 | 3.68 |
| (WY) | 1998 | 1998 | 2000 | 2000 | 2000 | 2000 | 2000 | 1992 | 1991 | 1991 | 1991 | 1991 |
| SUMMARY STATISTICS | FOR 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1989 - 2000 | |||
|---|---|---|---|---|---|---|
| ANNUAL TOTAL | 85118.6 | 29508.6 | ||||
| ANNUAL MEAN | 233 | 80.6 | 307 | |||
| HIGHEST ANNUAL MEAN | 698 | 1993 | ||||
| LOWEST ANNUAL MEAN | 80.6 | 2000 | ||||
| HIGHEST DAILY MEAN | 5630 | Jan 23 | 2120 | May 28 | 14500 | Apr 12 1994 |
| LOWEST DAILY MEAN | 2.8 | Sep 23, 24 | 5.2 | Oct 2 | 2.5 | A |
| ANNUAL SEVEN-DAY MINIMUM | 3.0 | Sep 19 | 6.8 | Sep 17 | 2.7 | Sep 15 1991 |
| INSTANTANEOUS PEAK FLOW | 2840 | May 28 | 20100 | B | ||
| INSTANTANEOUS PEAK STAGE | 11.23 | May 28 | 22.45 | Apr 12 1994 | ||
| INSTANTANEOUS LOW FLOW | 4.7 | Oct 3 | 2.3 | C | ||
| ANNUAL RUNOFF (CFSM) | .89 | .31 | 1.17 | |||
| ANNUAL RUNOFF (INCHES) | 12.09 | 4.19 | 15.91 | |||
| 10 PERCENT EXCEEDS | 587 | 157 | 687 | |||
| 50 PERCENT EXCEEDS | 27 | 22 | 112 | |||
| 90 PERCENT EXCEEDS | 4.9 | 8.6 | 12 | |||
|
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |