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 | 35 | 91 | 64 | e22 | 275 | 151 | 39 | 518 | 162 | 107 | 21 | 25 |
2 | 40 | 73 | 45 | e23 | 339 | 141 | 38 | 352 | 513 | 49 | 20 | 23 |
3 | 64 | 64 | 39 | e23 | 388 | 174 | 37 | 244 | 324 | 38 | 20 | 22 |
4 | 38 | 72 | 37 | e22 | 339 | 140 | 42 | 161 | 172 | 32 | 20 | 21 |
5 | 128 | 78 | 35 | e22 | 286 | 115 | 41 | 129 | 129 | 23 | 19 | 19 |
6 | 155 | 58 | 104 | e21 | 304 | 129 | 61 | 165 | 98 | 23 | 17 | 18 |
7 | 97 | 48 | 343 | e20 | 258 | 137 | 57 | 147 | 115 | 30 | 15 | 18 |
8 | 63 | 47 | 172 | e20 | 219 | 126 | 78 | 103 | 118 | 25 | 17 | 20 |
9 | 47 | 48 | 115 | e20 | 202 | 123 | 910 | 77 | 79 | 84 | 16 | 20 |
10 | 37 | 482 | 91 | e20 | 195 | 137 | 824 | 64 | 62 | 43 | 18 | 21 |
11 | 31 | 539 | 75 | e21 | 210 | 165 | 614 | 75 | 125 | 30 | 18 | 19 |
12 | 28 | 265 | 63 | e21 | 279 | 176 | 420 | 427 | 188 | 21 | 45 | 27 |
13 | 27 | 160 | 52 | e21 | 221 | 174 | 242 | 267 | 466 | 20 | 52 | 42 |
14 | 25 | 125 | 46 | e21 | 171 | 169 | 194 | 135 | 994 | 15 | 30 | 33 |
15 | 23 | 98 | 42 | e25 | 149 | 184 | 222 | 93 | 746 | 24 | 24 | 27 |
16 | 23 | 75 | 38 | e40 | 135 | 257 | 766 | 73 | 545 | 24 | 21 | 24 |
17 | 313 | 63 | e37 | 68 | 135 | 437 | 728 | 178 | 389 | 32 | 21 | 28 |
18 | 849 | 58 | e36 | 103 | 117 | 496 | 519 | 171 | 221 | 25 | 20 | 25 |
19 | 657 | 51 | 35 | 58 | 98 | 303 | 307 | 127 | 164 | 21 | 345 | 24 |
20 | 291 | 46 | 32 | 47 | 86 | 205 | 249 | 93 | 102 | 23 | 193 | 31 |
21 | 158 | 42 | 29 | 64 | 78 | 155 | 294 | 94 | 69 | 100 | 75 | 77 |
22 | 113 | 37 | 28 | 718 | 70 | 124 | 907 | 120 | 64 | 67 | 46 | 53 |
23 | 83 | 35 | e27 | 1080 | 70 | 108 | 1620 | 103 | 60 | 55 | 48 | 36 |
24 | 56 | 33 | e25 | 1070 | 65 | 90 | 1150 | 86 | 61 | 198 | 102 | 30 |
25 | 44 | 34 | e24 | 830 | 72 | 76 | 931 | 75 | 53 | 70 | 237 | 25 |
26 | 39 | 35 | e23 | 593 | 86 | 65 | 694 | 62 | 43 | 45 | 137 | 24 |
27 | 64 | 32 | e22.5 | 561 | 222 | 55 | 641 | 53 | 41 | 37 | 63 | 59 |
28 | 100 | 31 | e22 | 565 | 192 | 51 | 887 | 48 | 44 | 30 | 40 | 415 |
29 | 77 | 30 | e22 | 438 | --- | 45 | 721 | 39 | 49 | 26 | 36 | 541 |
30 | 147 | 60 | e22 | 357 | --- | 43 | 645 | 35 | 36 | 26 | 31 | 247 |
31 | 105 | --- | e22 | 317 | --- | 40 | --- | 84 | --- | 24 | 28 | --- |
TOTAL | 3957 | 2910 | 1767.5 | 7231 | 5261 | 4791 | 14878 | 4398 | 6232 | 1367 | 1795 | 1994 |
MEAN | 128 | 97.0 | 57.0 | 233 | 188 | 155 | 496 | 142 | 208 | 44.1 | 57.9 | 66.5 |
MAX | 849 | 539 | 343 | 1080 | 388 | 496 | 1620 | 518 | 994 | 198 | 345 | 541 |
MIN | 23 | 30 | 22 | 20 | 65 | 40 | 37 | 35 | 36 | 15 | 15 | 18 |
CFSM | 1.28 | .97 | .57 | 2.33 | 1.88 | 1.55 | 4.96 | 1.42 | 2.08 | .44 | .58 | .66 |
IN. | 1.47 | 1.08 | .66 | 2.69 | 1.96 | 1.78 | 5.53 | 1.64 | 2.32 | .51 | .67 | .74 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 61.6 | 81.0 | 83.7 | 79.6 | 105 | 173 | 192 | 124 | 104 | 79.7 | 75.3 | 66.4 |
MAX | 293 | 349 | 381 | 239 | 358 | 582 | 496 | 445 | 339 | 290 | 401 | 315 |
(WY) | 1987 | 1986 | 1983 | 1974 | 1997 | 1979 | 1999 | 1996 | 1996 | 1982 | 1987 | 1972 |
MIN | 2.83 | 5.53 | 6.56 | 5.51 | 4.87 | 28.6 | 50.0 | 24.9 | 19.0 | 9.46 | 6.15 | 4.54 |
(WY) | 1953 | 1954 | 1951 | 1963 | 1963 | 1968 | 1986 | 1952 | 1963 | 1956 | 1955 | 1953 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1951 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 50564.5 | 56581.5 | ||||
ANNUAL MEAN | 139 | 155 | 102 | |||
HIGHEST ANNUAL MEAN | 171 | 1993 | ||||
LOWEST ANNUAL MEAN | 28.0 | 1963 | ||||
HIGHEST DAILY MEAN | 937 | May 8 | 1620 | Apr 23 | 2030 | Aug 15 1987 |
LOWEST DAILY MEAN | 18 | Aug 20,Sep 6 | 15 | Jul 14,Aug 7 | .10 | Sep 30 1953 |
ANNUAL SEVEN-DAY MINIMUM | 21 | Aug 15 | 17 | Aug 5 | 1.3 | Oct 9 1952 |
INSTANTANEOUS PEAK FLOW | 1800 | Apr 23 | 2590 | Aug 14 1987 | ||
INSTANTANEOUS PEAK STAGE | 9.51 | Apr 23 | 11.35 | Aug 14 1987 | ||
INSTANTANEOUS LOW FLOW | 8.0 | Oct 17 | ||||
ANNUAL RUNOFF (CFSM) | 1.39 | 1.55 | 1.02 | |||
ANNUAL RUNOFF (INCHES) | 18.81 | 21.05 | 13.86 | |||
10 PERCENT EXCEEDS | 345 | 431 | 244 | |||
50 PERCENT EXCEEDS | 73 | 64 | 48 | |||
90 PERCENT EXCEEDS | 26 | 22 | 12 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |