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 | 10 | 15 | 21 | 22 | 27 | 48 | 188 | 132 | 29 | 70 | 112 | 29 |
2 | 10 | 15 | 18 | 22 | 26 | 42 | 104 | 247 | 27 | 40 | 69 | 29 |
3 | 10 | 15 | 17 | 21 | 24 | 39 | 214 | 847 | 25 | 36 | 51 | 22 |
4 | 10 | 15 | 21 | 22 | 24 | 38 | 167 | 158 | 550 | 1310 | 43 | 18 |
5 | 10 | 18 | 20 | 84 | 23 | 34 | 106 | 107 | 1480 | 278 | 2970 | 15 |
6 | 10 | 150 | 17 | 88 | 24 | 38 | 93 | 96 | 227 | 88 | 1230 | 12 |
7 | 8.3 | 51 | 17 | 75 | 22 | 40 | 87 | 101 | 103 | 404 | 1230 | 12 |
8 | 8.8 | 26 | 16 | 1120 | 23 | 984 | 81 | 79 | 109 | 684 | 207 | 16 |
9 | 12 | 21 | 17 | 347 | 21 | 558 | 66 | 69 | 191 | 92 | 113 | 13 |
10 | 13 | 19 | 23 | 88 | 21 | 167 | 57 | 69 | 89 | 62 | 78 | 12 |
11 | 12 | 18 | 24 | 59 | 55 | 101 | 52 | 58 | 91 | 59 | 589 | 13 |
12 | 12 | 17 | 20 | 51 | 70 | 74 | 51 | 53 | 84 | 49 | 494 | 13 |
13 | 16 | 17 | 18 | 44 | 39 | 70 | 74 | 50 | 70 | 41 | 90 | 12 |
14 | 21 | 20 | 17 | 34 | 32 | 67 | 259 | 45 | 1340 | 34 | 63 | 13 |
15 | 15 | 20 | 16 | 80 | 30 | 55 | 464 | 42 | 403 | 35 | 50 | 14 |
16 | 13 | 19 | 18 | 47 | 242 | 59 | 1900 | 40 | 118 | 33 | 46 | 17 |
17 | 12 | 17 | 16 | 38 | 830 | 383 | 312 | 37 | 81 | 28 | 56 | 21 |
18 | 11 | 16 | 15 | 38 | 824 | 1320 | 148 | 35 | 69 | 25 | 405 | 23 |
19 | 11 | 16 | 15 | 31 | 164 | 675 | 118 | 34 | 101 | 23 | 152 | 16 |
20 | 11 | 15 | 15 | 30 | 104 | 3270 | 99 | 33 | 151 | 22 | 61 | 13 |
21 | 11 | 16 | 16 | 29 | 80 | 818 | 90 | 84 | 473 | 20 | 45 | 14 |
22 | 11 | 15 | 47 | 29 | 70 | 225 | 83 | 110 | 108 | 20 | 37 | 17 |
23 | 11 | 15 | 35 | 34 | 57 | 155 | 76 | 62 | 67 | 193 | 34 | 12 |
24 | 62 | 14 | 297 | 33 | 52 | 127 | 68 | 163 | 51 | 47 | 31 | 12 |
25 | 39 | 15 | 182 | 31 | 47 | 111 | 68 | 76 | 41 | 33 | 24 | 12 |
26 | 52 | 14 | 47 | 35 | 44 | 98 | 66 | 60 | 36 | 168 | 23 | 11 |
27 | 35 | 14 | 34 | 37 | 109 | 161 | 193 | 61 | 32 | 91 | 21 | 11 |
28 | 19 | 14 | 29 | 34 | 62 | 1110 | 158 | 44 | 29 | 44 | 19 | 11 |
29 | 16 | 14 | 28 | 31 | --- | 208 | 855 | 38 | 54 | 34 | 18 | 10 |
30 | 15 | 19 | 26 | 28 | --- | 141 | 201 | 34 | 584 | 1090 | 18 | 10 |
31 | 14 | --- | 24 | 27 | --- | 208 | --- | 32 | --- | 791 | 18 | --- |
TOTAL | 521.1 | 670 | 1126 | 2689 | 3146 | 11424 | 6498 | 3096 | 6813 | 5944 | 8397 | 453 |
MEAN | 16.8 | 22.3 | 36.3 | 86.7 | 112 | 369 | 217 | 99.9 | 227 | 192 | 271 | 15.1 |
MAX | 62 | 150 | 297 | 1120 | 830 | 3270 | 1900 | 847 | 1480 | 1310 | 2970 | 29 |
MIN | 8.3 | 14 | 15 | 21 | 21 | 34 | 51 | 32 | 25 | 20 | 18 | 10 |
CFSM | .13 | .17 | .28 | .67 | .87 | 2.86 | 1.68 | .77 | 1.76 | 1.49 | 2.10 | .12 |
IN. | .15 | .19 | .32 | .78 | .91 | 3.29 | 1.87 | .89 | 1.96 | 1.71 | 2.42 | .13 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 1998, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 44.4 | 117 | 135 | 105 | 157 | 200 | 202 | 152 | 86.4 | 75.8 | 41.9 | 63.3 |
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 1997 CALENDAR YEAR | FOR 1998 WATER YEAR | WATER YEARS 1970 - 1998 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 33573.8 | 50777.1 | ||||
ANNUAL MEAN | 92.0 | 139 | 115 | |||
HIGHEST ANNUAL MEAN | 198 | 1973 | ||||
LOWEST ANNUAL MEAN | 23.5 | 1976 | ||||
HIGHEST DAILY MEAN | 3610 | Feb 27 | 3270 | Mar 20 | 13300 | May 17 1995 |
LOWEST DAILY MEAN | 8.3 | Oct 7 | 8.3 | Oct 7 | 4.2 | Oct 17 1976 |
ANNUAL SEVEN-DAY MINIMUM | 9.6 | Oct 2 | 9.6 | Oct 2 | 4.8 | Oct 12 1976 |
INSTANTANEOUS PEAK FLOW | 4630 | Aug 5 | 23400 | Apr 29 1996 | ||
INSTANTANEOUS PEAK STAGE | 40.18 | Aug 5 | 44.4 A | Apr 29 1996 | ||
INSTANTANEOUS LOW FLOW | 6.9 | Oct 7 | ||||
ANNUAL RUNOFF (CFSM) | .71 | 1.08 | .89 | |||
ANNUAL RUNOFF (INCHES) | 9.68 | 14.64 | 12.07 | |||
10 PERCENT EXCEEDS | 159 | 267 | 192 | |||
50 PERCENT EXCEEDS | 31 | 38 | 27 | |||
90 PERCENT EXCEEDS | 13 | 13 | 9.0 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |