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 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 8.2 | 18 | 47 | e32 | e750 | 727 | 139 | 119 | 201 | 56 | 23 | 705 |
2 | 7.4 | 19 | 45 | e33 | e500 | 577 | 126 | 116 | 343 | 56 | 25 | 269 |
3 | 7.1 | 18 | 43 | e35 | e350 | 472 | 122 | 106 | 299 | 74 | 63 | 138 |
4 | 10 | 18 | 44 | e37 | e270 | 402 | 113 | 98 | 251 | 156 | 38 | 81 |
5 | 19 | 17 | 44 | e38 | e250 | 328 | 111 | 99 | 309 | 119 | 28 | 54 |
6 | 24 | 18 | 47 | e38 | e240 | 276 | 140 | 96 | 775 | 75 | 23 | 42 |
7 | 30 | 21 | 51 | e37 | 325 | 247 | 160 | 93 | 939 | 60 | 21 | 59 |
8 | 26 | 24 | 48 | e35 | 580 | 229 | 141 | 91 | 650 | 60 | 20 | 263 |
9 | 20 | 30 | 48 | e33 | 1650 | 207 | 128 | 83 | 446 | 334 | 23 | 401 |
10 | 17 | 214 | 43 | e31 | 2300 | 188 | 137 | 81 | 341 | 292 | 22 | 621 |
11 | 16 | 184 | 49 | e30 | 1200 | 185 | 611 | 85 | 282 | 139 | 18 | 308 |
12 | 15 | 104 | e60 | e29 | 760 | 175 | 1000 | 81 | 239 | 90 | 16 | 174 |
13 | 14 | 97 | e160 | e31 | 557 | 187 | 599 | 72 | 207 | 72 | 16 | 119 |
14 | 13 | 156 | e120 | e40 | 1100 | 162 | 396 | 71 | 180 | 60 | 16 | 89 |
15 | 16 | 121 | e90 | e55 | 1710 | 154 | 335 | 75 | 161 | 52 | 15 | 72 |
16 | 23 | 92 | e70 | e230 | 1100 | 219 | 305 | 76 | 145 | 46 | 15 | 61 |
17 | 20 | 79 | e60 | e180 | 773 | 373 | 253 | 88 | 125 | 42 | 16 | 56 |
18 | 23 | 64 | e54 | e130 | 510 | 380 | 210 | 458 | 115 | 39 | 17 | 53 |
19 | 20 | 56 | e50 | e100 | 401 | 331 | 196 | 508 | 108 | 42 | 42 | 88 |
20 | 17 | 54 | e47 | e80 | 336 | 289 | 188 | 292 | 99 | 37 | 28 | 132 |
21 | 17 | 46 | e44 | e65 | 264 | 262 | 177 | 222 | 107 | 33 | 21 | 99 |
22 | 21 | 45 | e42 | e56 | 244 | 229 | 159 | 177 | 128 | 31 | 18 | 76 |
23 | 16 | 46 | e40 | e50 | 220 | 207 | 154 | 147 | 105 | 32 | 28 | 63 |
24 | 17 | 45 | e39 | e45 | 448 | 190 | 152 | 139 | 88 | 42 | 27 | 57 |
25 | 18 | 44 | e38 | e42 | 3250 | 170 | 132 | 126 | 78 | 35 | 23 | 51 |
26 | 18 | 53 | e37 | e39 | 3120 | 161 | 130 | 128 | 72 | 34 | 26 | 47 |
27 | 20 | 63 | e36 | e37 | 1510 | 153 | 129 | 158 | 67 | 49 | 20 | 46 |
28 | 19 | 60 | e35 | e50 | 951 | 145 | 120 | 147 | 70 | 38 | 18 | 42 |
29 | 23 | 55 | e34 | e100 | --- | 149 | 112 | 122 | 62 | 38 | 16 | 40 |
30 | 17 | 51 | e33 | e300 | --- | 145 | 113 | 108 | 59 | 30 | 30 | 38 |
31 | 17 | --- | e32 | e1000 | --- | 140 | --- | 107 | --- | 26 | 1000 | --- |
TOTAL | 548.7 | 1912 | 1630 | 3038 | 25669 | 8059 | 6788 | 4369 | 7051 | 2289 | 1712 | 4344 |
MEAN | 17.7 | 63.7 | 52.6 | 98.0 | 917 | 260 | 226 | 141 | 235 | 73.8 | 55.2 | 145 |
MAX | 30 | 214 | 160 | 1000 | 3250 | 727 | 1000 | 508 | 939 | 334 | 1000 | 705 |
MIN | 7.1 | 17 | 32 | 29 | 220 | 140 | 111 | 71 | 59 | 26 | 15 | 38 |
CFSM | .07 | .24 | .20 | .37 | 3.50 | .99 | .86 | .54 | .90 | .28 | .21 | .55 |
IN. | .08 | .27 | .23 | .43 | 3.64 | 1.14 | .96 | .62 | 1.00 | .33 | .24 | .62 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 114 | 215 | 213 | 336 | 354 | 498 | 492 | 517 | 438 | 256 | 74.6 | 67.8 |
MAX | 662 | 1162 | 1160 | 1387 | 917 | 1063 | 1728 | 1033 | 1565 | 1281 | 196 | 504 |
(WY) | 1994 | 1993 | 1991 | 1993 | 2001 | 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 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1989 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 32616.6 | 67409.7 | ||||
ANNUAL MEAN | 89.1 | 185 | 297 | |||
HIGHEST ANNUAL MEAN | 698 | 1993 | ||||
LOWEST ANNUAL MEAN | 80.6 | 2000 | ||||
HIGHEST DAILY MEAN | 2120 | May 28 | 3250 | Feb 25 | 14500 | Apr 12 1994 |
LOWEST DAILY MEAN | 6.0 | Sep 20 | 7.1 | Oct 3 | 2.5 | A |
ANNUAL SEVEN-DAY MINIMUM | 6.8 | Sep 17 | 15 | Oct 1 | 2.7 | Sep 15 1991 |
MAXIMUM PEAK FLOW | 4320 | Feb 26 | 20100 | B | ||
MAXIMUM PEAK STAGE | 13.04 | Feb 26 | 22.45 | Apr 12 1994 | ||
INSTANTANEOUS LOW FLOW | 6.8 | Oct 2, 3 | 2.3 | C | ||
ANNUAL RUNOFF (CFSM) | .34 | .70 | 1.14 | |||
ANNUAL RUNOFF (INCHES) | 4.63 | 9.57 | 15.43 | |||
10 PERCENT EXCEEDS | 160 | 401 | 661 | |||
50 PERCENT EXCEEDS | 39 | 76 | 107 | |||
90 PERCENT EXCEEDS | 11 | 19 | 12 |
A - Sept. 10, 16-19, 1991. | |
B - Mar. 11, 1990 and Apr. 12, 1994. Mar. 11, 1990 on basis of contracted - opening measurement of peak flow. | |
C - Sept. 9, 10, 16-19, 1991. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |