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 | e4.0 | e5.5 | e20 | e12 | e26 | 616 | 498 | 1610 | 29 | 698 | e130 | 14 |
2 | e4.2 | e6.5 | e30 | e11 | e23 | 267 | 625 | 1200 | 26 | 160 | e60 | 17 |
3 | e4.0 | e7.5 | e22 | e10 | e21 | 123 | 344 | 751 | 23 | 62 | 34 | 19 |
4 | e3.7 | e6.5 | e16 | e11 | e19 | 82 | 357 | 1280 | 608 | 37 | 258 | 22 |
5 | e3.5 | e6.0 | e17 | e20 | e17 | 122 | 583 | 1240 | 1720 | 59 | 1820 | 17 |
6 | e3.3 | e8.0 | e18 | e70 | e15 | 55 | 340 | 425 | 1320 | 54 | 3310 | 12 |
7 | e3.1 | e30 | e13 | 284 | e14 | 47 | 141 | 1170 | 392 | 775 | 2810 | 10 |
8 | e2.9 | e17 | e11 | 1090 | e13 | 222 | 111 | 1540 | 179 | 1640 | 1990 | 8.8 |
9 | e2.7 | e13 | e10 | 1310 | e12 | 923 | 92 | 606 | 124 | 1370 | 783 | 8.0 |
10 | e2.5 | e11 | e10 | 651 | e12 | 1020 | 78 | 131 | 100 | 449 | 188 | 6.9 |
11 | e2.5 | e10 | e10 | 160 | e13 | 419 | 72 | 80 | 127 | 89 | 93 | e5.9 |
12 | e2.5 | e9.0 | e12 | 74 | e17 | 122 | 62 | 61 | 319 | 45 | 160 | e5.3 |
13 | e2.7 | e8.0 | e14 | 50 | e28 | 72 | 55 | 48 | 653 | 36 | 229 | e5.5 |
14 | e3.2 | e7.5 | e12 | 40 | e25 | 59 | 597 | 40 | 1170 | 32 | 84 | 5.6 |
15 | e5.0 | e8.0 | e11 | 37 | e23 | 53 | 551 | 34 | 1470 | 23 | 46 | 5.7 |
16 | e7.5 | e15 | e10 | 37 | e30 | 47 | 3730 | 31 | 1000 | 18 | 32 | 5.9 |
17 | e7.0 | e13 | e9.5 | 35 | 439 | 112 | 3340 | 28 | 262 | 16 | 26 | 6.3 |
18 | e5.7 | e12 | e9.0 | e30 | 1420 | 1050 | 2720 | 26 | 119 | 24 | 22 | 6.2 |
19 | e5.2 | e11 | e8.5 | e26 | 1340 | 1380 | 1430 | 25 | 93 | 46 | 20 | 13 |
20 | e4.6 | e11 | e8.5 | e21 | 566 | 2110 | 300 | 23 | 63 | 23 | 17 | 11 |
21 | e4.0 | e11 | e8.5 | e18 | 361 | 2620 | 130 | 22 | 1030 | 17 | 15 | 128 |
22 | e3.5 | e12 | e10 | e17 | 271 | 2640 | 97 | 578 | 854 | 14 | 14 | 27 |
23 | e3.0 | e13 | e20 | e18 | 162 | 1980 | 103 | 1550 | 138 | 13 | 13 | 23 |
24 | e4.0 | e13 | e45 | e19 | 79 | 710 | 82 | 1750 | 70 | 17 | 12 | 16 |
25 | e13 | e12 | e200 | e22 | 58 | 155 | 62 | 1970 | 45 | 12 | 11 | 34 |
26 | e12 | e11 | e180 | e26 | 114 | 150 | 52 | 1090 | 36 | 25 | 10 | 343 |
27 | e15 | e11 | e110 | e32 | 638 | 84 | 54 | 275 | 31 | 22 | 8.6 | 512 |
28 | e10 | e12 | e65 | e60 | 1020 | 1440 | 137 | 94 | 30 | 18 | 7.6 | 109 |
29 | e7.5 | e12 | e35 | e45 | --- | 2010 | 127 | 53 | 43 | 15 | 7.8 | 32 |
30 | e6.0 | e11 | e22 | e35 | --- | 1850 | 1100 | 40 | 1200 | e25 | 7.9 | 18 |
31 | e5.0 | --- | e14 | e30 | --- | 807 | --- | 33 | --- | e200 | 7.9 | --- |
TOTAL | 162.8 | 333.5 | 981.0 | 4301 | 6776 | 23347 | 17970 | 17804 | 13274 | 6034 | 12226.8 | 1447.1 |
MEAN | 5.25 | 11.1 | 31.6 | 139 | 242 | 753 | 599 | 574 | 442 | 195 | 394 | 48.2 |
MAX | 15 | 30 | 200 | 1310 | 1420 | 2640 | 3730 | 1970 | 1720 | 1640 | 3310 | 512 |
MIN | 2.5 | 5.5 | 8.5 | 10 | 12 | 47 | 52 | 22 | 23 | 12 | 7.6 | 5.3 |
CFSM | .02 | .04 | .12 | .55 | .95 | 2.97 | 2.36 | 2.26 | 1.74 | .77 | 1.55 | .19 |
IN. | .02 | .05 | .14 | .63 | .99 | 3.42 | 2.63 | 2.61 | 1.94 | .88 | 1.79 | .21 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1975 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 59.5 | 270 | 252 | 267 | 394 | 510 | 446 | 367 | 133 | 89.6 | 45.3 | 48.5 |
MAX | 390 | 2161 | 917 | 998 | 1531 | 1434 | 1378 | 2307 | 522 | 773 | 394 | 639 |
(WY) | 1985 | 1986 | 1985 | 1993 | 1982 | 1978 | 1994 | 1990 | 1995 | 1993 | 1998 | 1993 |
MIN | 4.81 | 7.70 | 1.11 | 3.29 | 11.4 | 10.4 | 13.7 | 8.37 | 5.11 | 6.44 | 2.27 | 3.39 |
(WY) | 1988 | 1990 | 1990 | 1977 | 1978 | 1981 | 1981 | 1976 | 1988 | 1984 | 1991 | 1985 |
SUMMARY STATISTICS | FOR 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1975 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 72467.7 | 104657.2 | ||||
ANNUAL MEAN | 199 | 287 | 239 | |||
HIGHEST ANNUAL MEAN | 434 | 1985 | ||||
LOWEST ANNUAL MEAN | 51.9 | 1976 | ||||
HIGHEST DAILY MEAN | 3940 | Jan 28 | 3730 | Apr 16 | 23900 | May 17 1990 |
LOWEST DAILY MEAN | 2.5 | A | 2.5 | A | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | 2.7 | Oct 7 | 2.7 | Oct 7 | .02 | Sep 24 1989 |
INSTANTANEOUS PEAK FLOW | 5350 | Apr 16 | 26900 C | May 17 1990 | ||
INSTANTANEOUS PEAK STAGE | 14.50 | Apr 16 | 17.40 | May 17 1990 | ||
ANNUAL RUNOFF (CFSM) | .78 | 1.13 | .94 | |||
ANNUAL RUNOFF (INCHES) | 10.61 | 15.33 | 12.79 | |||
10 PERCENT EXCEEDS | 372 | 1090 | 501 | |||
50 PERCENT EXCEEDS | 24 | 32 | 25 | |||
90 PERCENT EXCEEDS | 5.0 | 6.7 | 4.6 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |