DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 9.8 | 18 | 37 | e14 | 967 | 122 | 60 | 54 | 95 | 228 | 72 | 11 |
2 | 9.5 | 210 | 30 | e19 | 247 | 105 | 57 | 49 | 73 | 495 | 16 | 10 |
3 | 9.7 | 328 | 24 | e31 | 150 | 115 | 336 | 46 | 39 | 64 | 14 | 9.4 |
4 | 10 | 52 | 24 | e29 | 112 | 91 | 894 | 46 | 35 | 42 | 14 | 8.6 |
5 | 14 | 33 | 68 | e25 | 89 | 92 | 221 | 541 | 112 | 34 | 13 | 8.8 |
6 | 73 | 27 | 38 | e27 | 94 | 316 | 743 | 842 | 41 | 36 | 12 | 8.0 |
7 | 32 | 23 | 48 | e30 | 4050 | 115 | 166 | 150 | 33 | 40 | 13 | 9.2 |
8 | 17 | 21 | 33 | e28 | 1120 | 327 | 115 | 88 | 192 | 32 | 220 | 9.3 |
9 | 16 | 21 | 26 | e26 | 286 | 1320 | 108 | 70 | 192 | 28 | 37 | 9.1 |
10 | 13 | 245 | 22 | e25 | 203 | 285 | 84 | 61 | 54 | 43 | 20 | 8.4 |
11 | 11 | 83 | 21 | e26 | 466 | 164 | 178 | 54 | 52 | 30 | 17 | 8.5 |
12 | 11 | 38 | 20 | e30 | 518 | 128 | 83 | 82 | 140 | 24 | 15 | 8.8 |
13 | 11 | 30 | 34 | 411 | 185 | 109 | 71 | 409 | 1000 | 21 | 16 | 19 |
14 | 10 | 26 | 24 | 298 | 152 | 98 | 68 | 101 | 229 | 19 | 12 | 17 |
15 | 9.8 | 25 | 20 | 111 | 140 | 85 | 149 | 76 | 72 | 22 | 11 | 13 |
16 | 10 | 25 | 19 | 84 | 172 | 78 | 103 | 70 | 55 | 20 | 11 | 8.6 |
17 | 23 | 23 | 19 | 734 | 176 | 75 | 76 | 106 | 48 | 18 | 11 | 8.1 |
18 | 45 | 22 | 19 | 1800 | 132 | 68 | 67 | 125 | 44 | 18 | 11 | 7.6 |
19 | 36 | 22 | 22 | 447 | 120 | 65 | 62 | 66 | 41 | 18 | 11 | 10 |
20 | 22 | 31 | 22 | 339 | 108 | 63 | 57 | 53 | 40 | 17 | 10 | 12 |
21 | 16 | 28 | 40 | 293 | 100 | 63 | 73 | 48 | 38 | 24 | 9.9 | 11 |
22 | 14 | 24 | 32 | 598 | 94 | 60 | 61 | 47 | 35 | 19 | 9.7 | 8.7 |
23 | 12 | 23 | 25 | 582 | 99 | 759 | 50 | 43 | 37 | 16 | 9.9 | 8.3 |
24 | 11 | 22 | 20 | 243 | 125 | 203 | 50 | 44 | 111 | 15 | 12 | 7.8 |
25 | 13 | 22 | 19 | 129 | 108 | 111 | 48 | 38 | 55 | 15 | 11 | 7.4 |
26 | 12 | 24 | 18 | 96 | 94 | 89 | 70 | 36 | 51 | 14 | 10 | 7.8 |
27 | 11 | 22 | 20 | 88 | 202 | 77 | 153 | 33 | 96 | 14 | 9.7 | 8.1 |
28 | 11 | 20 | 22 | 79 | 282 | 74 | 139 | 31 | 52 | 15 | 9.2 | 8.8 |
29 | 12 | 21 | e18 | 68 | --- | 72 | 92 | 29 | 48 | 15 | 9.5 | 12 |
30 | 64 | 31 | e16 | 67 | --- | 65 | 64 | 30 | 43 | 14 | 9.7 | 11 |
31 | 29 | --- | e14 | 2460 | --- | 63 | --- | 50 | --- | 14 | 12 | --- |
TOTAL | 597.8 | 1540 | 814 | 9237 | 10591 | 5457 | 4498 | 3518 | 3153 | 1424 | 668.6 | 295.3 |
MEAN | 19.3 | 51.3 | 26.3 | 298 | 378 | 176 | 150 | 113 | 105 | 45.9 | 21.6 | 9.84 |
MAX | 73 | 328 | 68 | 2460 | 4050 | 1320 | 894 | 842 | 1000 | 495 | 220 | 19 |
MIN | 9.5 | 18 | 14 | 14 | 89 | 60 | 48 | 29 | 33 | 14 | 9.2 | 7.4 |
CFSM | .15 | .40 | .20 | 2.31 | 2.93 | 1.36 | 1.16 | .88 | .81 | .36 | .17 | .08 |
IN. | .17 | .44 | .23 | 2.66 | 3.05 | 1.57 | 1.30 | 1.01 | .91 | .41 | .19 | .09 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 43.6 | 114 | 131 | 112 | 164 | 199 | 200 | 151 | 87.0 | 74.8 | 41.2 | 61.5 |
MAX | 270 | 516 | 590 | 338 | 505 | 611 | 751 | 1306 | 227 | 322 | 271 | 471 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1982 | 1984 | 1994 | 1995 | 1998 | 1981 | 1998 | 1993 |
MIN | 6.51 | 7.53 | 9.66 | 7.19 | 19.1 | 19.4 | 20.2 | 18.4 | 14.9 | 11.6 | 7.64 | 6.66 |
(WY) | 1972 | 1972 | 1977 | 1977 | 1978 | 1981 | 1981 | 1988 | 1972 | 1970 | 1971 | 1976 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1970 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 51411.8 | 41793.7 | ||||
ANNUAL MEAN | 141 | 115 | 115 | |||
HIGHEST ANNUAL MEAN | 198 | 1973 | ||||
LOWEST ANNUAL MEAN | 23.5 | 1976 | ||||
HIGHEST DAILY MEAN | 3270 | Mar 20 | 4050 | Feb 7 | 13300 | May 17 1995 |
LOWEST DAILY MEAN | 9.5 | Oct 2 | 7.4 | Sep 25 | 4.2 | Oct 17 1976 |
ANNUAL SEVEN-DAY MINIMUM | 10 | Sep 28 | 8.1 | Sep 22 | 4.8 | Oct 12 1976 |
INSTANTANEOUS PEAK FLOW | 7990 | Feb 7 | 23400 | Apr 29 1996 | ||
INSTANTANEOUS PEAK STAGE | 41.50 | Feb 7 | 44.4 A | Apr 29 1996 | ||
INSTANTANEOUS LOW FLOW | 5.1 | Sep 25 | ||||
ANNUAL RUNOFF (CFSM) | 1.09 | .89 | .89 | |||
ANNUAL RUNOFF (INCHES) | 14.83 | 12.05 | 12.07 | |||
10 PERCENT EXCEEDS | 267 | 224 | 194 | |||
50 PERCENT EXCEEDS | 39 | 37 | 28 | |||
90 PERCENT EXCEEDS | 14 | 10 | 9.0 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |