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 | 5.4 | 15 | 33 | e17 | 2870 | 746 | 81 | 246 | 68 | e125 | 15 | 2.6 |
2 | 5.2 | 30 | 37 | e20 | 2010 | 327 | 83 | 182 | 1160 | 95 | 13 | 2.6 |
3 | 4.8 | 375 | 35 | e18 | 764 | 250 | 124 | 151 | 4720 | 72 | 11 | 2.5 |
4 | 4.9 | 449 | 31 | e17 | 420 | 216 | 722 | 133 | 4150 | 60 | 10 | 2.4 |
5 | 20 | 169 | 29 | e16 | 303 | 182 | 556 | 388 | 2040 | 51 | 9.3 | 2.3 |
6 | 255 | 90 | 30 | e15 | 247 | 723 | 823 | 775 | 2370 | 52 | 8.7 | 2.2 |
7 | 475 | 52 | 72 | e14 | 5330 | 838 | 602 | 570 | 444 | 306 | 8.2 | 2.1 |
8 | 476 | 38 | 121 | e13 | 8950 | 315 | 251 | 253 | 262 | 113 | 8.3 | 1.8 |
9 | 123 | 29 | 96 | e13 | 3870 | 458 | 1280 | 163 | 546 | 59 | 7.8 | 1.7 |
10 | 49 | 299 | 63 | e12 | 667 | 877 | 816 | 129 | 359 | 51 | 7.3 | 1.5 |
11 | 26 | 1440 | 45 | e12 | 364 | 646 | 480 | 111 | 195 | 101 | 7.0 | 1.5 |
12 | 17 | 479 | 36 | e13 | 1360 | 390 | 368 | 98 | 154 | 54 | 7.1 | 1.4 |
13 | 14 | 190 | 31 | e40 | 1060 | 278 | 167 | 92 | 205 | 39 | 10 | 1.4 |
14 | 11 | 126 | 29 | e170 | 356 | 223 | 140 | 400 | 758 | 32 | 18 | 1.7 |
15 | 10 | 95 | 28 | e250 | 277 | 190 | 161 | 228 | 269 | 28 | 15 | 1.1 |
16 | 9.4 | 75 | 26 | e180 | 243 | 166 | 289 | 147 | 146 | 25 | 13 | 1.0 |
17 | 9.1 | 62 | 24 | e300 | 232 | 154 | 520 | 119 | 111 | 23 | 9.1 | 1.1 |
18 | 11 | 52 | 24 | e2000 | 213 | 143 | 590 | 104 | 95 | 21 | 7.2 | 1.0 |
19 | 13 | 45 | 23 | 3930 | 187 | 130 | 330 | 92 | 82 | 20 | 6.3 | .99 |
20 | 13 | 42 | 23 | 2850 | 168 | 119 | 243 | 80 | 73 | 19 | 5.7 | 1.0 |
21 | 14 | 42 | 29 | 1790 | 151 | 115 | 207 | 89 | 67 | 17 | 5.1 | .93 |
22 | 12 | 37 | 54 | 12700 | 138 | 111 | 278 | 174 | 62 | 16 | 4.9 | .84 |
23 | 9.5 | 34 | 82 | 11500 | 131 | 107 | 205 | 213 | 57 | 16 | 4.6 | .77 |
24 | 9.5 | 32 | e50 | 4540 | 131 | 106 | 155 | 124 | 527 | 171 | 4.7 | .82 |
25 | 8.9 | 33 | e30 | 1260 | 129 | 101 | 130 | 102 | 606 | 57 | 4.5 | .77 |
26 | 8.7 | 45 | e23 | 447 | 124 | 95 | 143 | 80 | 740 | 25 | 4.0 | .78 |
27 | 8.5 | 68 | e21 | 346 | 169 | 89 | 311 | 68 | 1150 | 17 | 3.9 | .71 |
28 | 8.6 | 51 | e20 | 308 | 848 | 86 | 1320 | 61 | 256 | 60 | 3.6 | .73 |
29 | 9.4 | 43 | e18 | 260 | --- | 84 | 1490 | 55 | 178 | 58 | 3.3 | .76 |
30 | 12 | 37 | e17 | 226 | --- | 82 | 517 | 50 | 153 | 26 | 2.9 | .67 |
31 | 16 | --- | e16 | 874 | --- | 79 | --- | 47 | --- | 18 | 2.7 | --- |
TOTAL | 1668.9 | 4574 | 1196 | 44151 | 31712 | 8426 | 13382 | 5524 | 22003 | 1827 | 241.2 | 41.67 |
MEAN | 53.8 | 152 | 38.6 | 1424 | 1133 | 272 | 446 | 178 | 733 | 58.9 | 7.78 | 1.39 |
MAX | 476 | 1440 | 121 | 12700 | 8950 | 877 | 1490 | 775 | 4720 | 306 | 18 | 2.6 |
MIN | 4.8 | 15 | 16 | 12 | 124 | 79 | 81 | 47 | 57 | 16 | 2.7 | .67 |
CFSM | .17 | .48 | .12 | 4.48 | 3.56 | .85 | 1.40 | .56 | 2.31 | .19 | .02 | .00 |
IN. | .20 | .54 | .14 | 5.16 | 3.71 | .99 | 1.57 | .65 | 2.57 | .21 | .03 | .00 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1941 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 45.2 | 196 | 299 | 393 | 446 | 504 | 484 | 381 | 238 | 127 | 83.2 | 71.0 |
MAX | 565 | 1757 | 1755 | 2798 | 1777 | 1469 | 1521 | 2825 | 1346 | 1010 | 471 | 900 |
(WY) | 1950 | 1986 | 1968 | 1950 | 1982 | 1973 | 1984 | 1943 | 1945 | 1958 | 1985 | 1989 |
MIN | .013 | .13 | .56 | .92 | 4.82 | 2.37 | 10.4 | 19.0 | 4.07 | .46 | .26 | .10 |
(WY) | 1954 | 1954 | 1954 | 1977 | 1954 | 1954 | 1954 | 1941 | 1954 | 1954 | 1954 | 1954 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1941 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 120788.8 | 134746.77 | ||||
ANNUAL MEAN | 331 | 369 | 271 | |||
HIGHEST ANNUAL MEAN | 644 | 1950 | ||||
LOWEST ANNUAL MEAN | 3.88 | 1954 | ||||
HIGHEST DAILY MEAN | 7940 | May 4 | 12700 | Jan 22 | 20300 | Jan 4 1950 |
LOWEST DAILY MEAN | 4.8 | Oct 3 | .67 | Sep 30 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 5.5 | Sep 28 | .75 | Sep 24 | .00 | Sep 13 1953 |
INSTANTANEOUS PEAK FLOW | 18500 | Jan 22 | 27100 B | Jan 4 1950 | ||
INSTANTANEOUS PEAK STAGE | 22.28 | Jan 22 | 24.38 C | Jan 4 1950 | ||
INSTANTANEOUS LOW FLOW | .58 | Sep 30 | ||||
ANNUAL RUNOFF (CFSM) | 1.04 | 1.16 | .85 | |||
ANNUAL RUNOFF (INCHES) | 14.13 | 15.76 | 11.59 | |||
10 PERCENT EXCEEDS | 929 | 730 | 602 | |||
50 PERCENT EXCEEDS | 81 | 73 | 46 | |||
90 PERCENT EXCEEDS | 10 | 4.3 | 2.7 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |