DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 1.7 | 38 | 31 | 17 | 701 | 82 | 45 | 391 | 38 | 66 | .00 | .12 |
2 | 1.5 | 32 | 33 | 19 | 607 | 82 | 43 | 339 | 79 | 60 | .00 | .12 |
3 | 2.4 | 26 | 31 | e22 | 554 | 87 | 43 | 297 | 128 | 51 | .00 | .09 |
4 | 8.2 | 23 | 29 | e21 | 502 | 88 | 48 | 255 | 152 | 43 | .00 | .04 |
5 | 17 | 21 | 27 | e21 | 451 | 84 | 54 | 215 | 153 | 34 | .00 | .01 |
6 | 43 | 19 | 30 | e21 | 424 | 78 | 61 | 174 | 130 | 24 | .00 | .00 |
7 | 50 | 18 | 71 | e21 | 395 | 72 | 67 | 145 | 102 | 17 | .00 | .00 |
8 | 46 | 17 | 104 | e21 | 365 | 67 | 69 | 124 | 83 | 12 | .00 | .00 |
9 | 38 | 16 | 111 | e21 | 342 | 78 | 118 | 105 | 73 | 9.7 | .00 | .00 |
10 | 24 | 60 | 103 | e21 | 319 | 106 | 193 | 88 | 61 | 9.0 | .00 | .00 |
11 | 12 | 142 | 84 | e21 | 304 | 76 | 225 | 75 | 52 | 8.6 | .00 | .00 |
12 | 14 | 166 | 69 | e21 | 316 | 70 | 241 | 74 | 43 | 7.9 | .01 | .00 |
13 | 6.8 | 175 | 60 | e22 | 309 | 67 | 244 | 75 | 126 | 7.0 | .02 | .00 |
14 | 6.4 | 177 | 54 | e22 | 299 | 66 | 235 | 72 | 336 | 7.4 | .02 | .00 |
15 | 7.4 | 171 | 50 | e22 | 293 | 68 | 217 | 66 | 411 | 7.3 | .06 | .00 |
16 | 7.9 | 158 | 46 | e23 | 286 | 81 | 231 | 62 | 464 | 5.9 | .07 | .00 |
17 | 10 | 132 | 52 | e25 | 277 | 137 | 259 | 107 | 501 | 6.8 | .04 | .00 |
18 | 67 | 97 | 56 | 35 | 258 | 204 | 255 | 143 | 505 | 7.2 | .01 | .00 |
19 | 83 | 70 | 52 | 39 | 239 | 229 | 245 | 145 | 467 | 8.5 | .83 | .00 |
20 | 79 | 57 | 46 | 42 | 212 | 238 | 229 | 139 | 415 | 7.1 | 2.1 | .00 |
21 | 71 | 49 | 39 | 44 | 177 | 236 | 210 | 130 | 357 | 6.3 | 1.2 | .00 |
22 | 57 | 45 | 40 | 111 | 136 | 219 | 246 | 119 | 301 | 5.6 | .44 | .00 |
23 | 45 | 41 | 30 | 279 | 105 | 191 | 612 | 106 | 240 | 4.5 | .31 | .00 |
24 | 34 | 36 | 25 | 455 | 88 | 153 | 1020 | 99 | 181 | 3.5 | .36 | .00 |
25 | 25 | 32 | 22 | 600 | 78 | 118 | 1210 | 91 | 129 | 2.8 | .54 | .00 |
26 | 21 | 30 | 20 | 733 | 75 | 93 | 1170 | 82 | 96 | 2.4 | .40 | .00 |
27 | 19 | 28 | 19 | 856 | 77 | 78 | 977 | 70 | 73 | 1.4 | .20 | .00 |
28 | 18 | 26 | 19 | 1000 | 80 | 68 | 786 | 62 | 74 | .85 | .18 | 17 |
29 | 19 | 27 | 19 | 1030 | --- | 63 | 607 | 57 | 67 | .43 | .16 | 65 |
30 | 36 | 28 | 19 | 951 | --- | 57 | 470 | 43 | 64 | .14 | .14 | 67 |
31 | 43 | --- | 18 | 831 | --- | 52 | --- | 35 | --- | .03 | .12 | --- |
TOTAL | 913.3 | 1957 | 1409 | 7367 | 8269 | 3388 | 10430 | 3985 | 5901 | 427.35 | 7.21 | 149.38 |
MEAN | 29.5 | 65.2 | 45.5 | 238 | 295 | 109 | 348 | 129 | 197 | 13.8 | .23 | 4.98 |
MAX | 83 | 177 | 111 | 1030 | 701 | 238 | 1210 | 391 | 505 | 66 | 2.1 | 67 |
MIN | 1.5 | 16 | 18 | 17 | 75 | 52 | 43 | 35 | 38 | .03 | .00 | .00 |
CFSM | .24 | .53 | .37 | 1.93 | 2.40 | .89 | 2.83 | 1.05 | 1.60 | .11 | .00 | .04 |
IN. | .28 | .59 | .43 | 2.23 | 2.50 | 1.02 | 3.15 | 1.21 | 1.78 | .13 | .00 | .05 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1967 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 41.3 | 70.0 | 92.3 | 73.4 | 111 | 218 | 229 | 120 | 83.6 | 55.2 | 42.4 | 54.1 |
MAX | 364 | 390 | 382 | 279 | 327 | 673 | 718 | 410 | 356 | 363 | 417 | 410 |
(WY) | 1987 | 1986 | 1983 | 1993 | 1974 | 1979 | 1993 | 1996 | 1996 | 1978 | 1978 | 1972 |
MIN | .056 | 2.75 | 3.06 | 1.46 | 2.35 | 14.9 | 33.4 | 6.15 | 1.90 | .78 | .23 | .060 |
(WY) | 1995 | 1972 | 1977 | 1977 | 1977 | 1968 | 1977 | 1977 | 1988 | 1988 | 1999 | 1994 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1967 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 42164.17 | 44203.24 | ||||
ANNUAL MEAN | 116 | 121 | 99.2 | |||
HIGHEST ANNUAL MEAN | 206 | 1993 | ||||
LOWEST ANNUAL MEAN | 9.24 | 1977 | ||||
HIGHEST DAILY MEAN | 782 | Apr 18 | 1210 | Apr 25 | 2100 | Mar 21 1979 |
LOWEST DAILY MEAN | .48 | Aug 3 | .00 | A | .00 | B |
ANNUAL SEVEN-DAY MINIMUM | .67 | Jul 30 | .00 | Aug 1 | .00 | Jul 27 1988 |
INSTANTANEOUS PEAK FLOW | 1250 | Apr 25 | 2120 C | Mar 21 1979 | ||
INSTANTANEOUS PEAK STAGE | 8.38 | Apr 25 | 10.75 | D | ||
ANNUAL RUNOFF (CFSM) | .94 | .98 | .81 | |||
ANNUAL RUNOFF (INCHES) | 12.75 | 13.37 | 10.95 | |||
10 PERCENT EXCEEDS | 320 | 317 | 276 | |||
50 PERCENT EXCEEDS | 53 | 52 | 33 | |||
90 PERCENT EXCEEDS | 1.7 | .02 | 2.8 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |