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 | 8.3 | 31 | 22 | e15 | 1150 | 303 | 176 | 634 | 254 | 237 | 33 | 8.4 |
2 | 10 | 37 | 23 | e14 | 1330 | 287 | 184 | 554 | 1240 | 194 | 21 | 7.9 |
3 | 15 | 37 | 25 | e13 | 1420 | 278 | 184 | 495 | 1800 | 171 | 18 | 11 |
4 | 17 | 37 | 24 | e13 | 1250 | 327 | 179 | 455 | 1790 | 144 | 14 | 14 |
5 | 12 | 47 | 21 | e13 | 1010 | 421 | 177 | 447 | 2070 | 122 | 9.8 | 13 |
6 | 12 | 52 | 18 | e15 | 812 | 448 | 175 | 464 | 1980 | 104 | 12 | 12 |
7 | 13 | 44 | 20 | e21 | 1750 | 421 | 167 | 475 | 1890 | 91 | 12 | 9.0 |
8 | 26 | 39 | 23 | e22 | 2780 | 398 | 167 | 439 | 1630 | 80 | 11 | 8.4 |
9 | 30 | 35 | 22 | e20 | 3230 | 383 | 201 | 384 | 1200 | 70 | 11 | 11 |
10 | 24 | 82 | 25 | e18 | 2880 | 388 | 275 | 332 | 839 | 63 | 36 | 11 |
11 | 16 | 101 | 26 | e16 | 2120 | 407 | 324 | 296 | 611 | 55 | 39 | 12 |
12 | 12 | 139 | 24 | e15 | 1720 | 392 | 360 | 282 | 481 | 48 | 23 | 12 |
13 | 10 | 128 | 22 | e16 | 1470 | 393 | 419 | 319 | 451 | 42 | 26 | 11 |
14 | 9.5 | 91 | 21 | e17 | 1280 | 436 | 379 | 411 | 806 | 36 | 110 | 13 |
15 | 9.7 | 67 | 23 | e17 | 1040 | 488 | 351 | 574 | 693 | 32 | 362 | 13 |
16 | 13 | 54 | 24 | e19 | 861 | 486 | 576 | 625 | 635 | 28 | 547 | 9.4 |
17 | 13 | 46 | 24 | e21 | 729 | 449 | 1470 | 556 | 528 | 25 | 458 | 6.7 |
18 | 14 | 41 | 23 | e250 | 641 | 414 | 2410 | 466 | 401 | 23 | 231 | 5.9 |
19 | 16 | 37 | 22 | e400 | 574 | 381 | 2280 | 447 | 313 | 21 | 118 | 5.9 |
20 | 20 | 33 | 22 | e370 | 515 | 333 | 1820 | 556 | 264 | 21 | 73 | 5.4 |
21 | 27 | 31 | 25 | e380 | 457 | 301 | 1550 | 585 | 236 | 20 | 50 | 4.8 |
22 | 23 | 27 | 30 | e2100 | 404 | 289 | 1760 | 551 | 238 | 30 | 38 | 5.9 |
23 | 18 | 23 | 29 | e3300 | 367 | 273 | 2190 | 493 | 295 | 32 | 30 | 7.9 |
24 | 16 | 23 | 25 | e3800 | 347 | 255 | 1850 | 491 | 307 | 24 | 26 | 11 |
25 | 14 | 25 | 25 | e4000 | 336 | 240 | 1390 | 462 | 311 | 19 | 23 | 11 |
26 | 13 | 24 | 28 | e3100 | 316 | 224 | 1040 | 399 | 361 | 23 | 29 | 10 |
27 | 12 | 25 | 27 | e2400 | 304 | 206 | 835 | 333 | 519 | 26 | 33 | 11 |
28 | 11 | 26 | 22 | e1750 | 304 | 197 | 742 | 283 | 426 | 17 | 26 | 13 |
29 | 17 | 27 | 19 | 1320 | --- | 193 | 704 | 252 | 375 | 42 | 19 | 18 |
30 | 29 | 24 | e17 | 1040 | --- | 187 | 687 | 233 | 301 | 72 | 13 | 20 |
31 | 32 | --- | e16 | 913 | --- | 176 | --- | 223 | --- | 55 | 10 | --- |
TOTAL | 512.5 | 1433 | 717 | 25408 | 31397 | 10374 | 25022 | 13516 | 23245 | 1967 | 2461.8 | 312.6 |
MEAN | 16.5 | 47.8 | 23.1 | 820 | 1121 | 335 | 834 | 436 | 775 | 63.5 | 79.4 | 10.4 |
MAX | 32 | 139 | 30 | 4000 | 3230 | 488 | 2410 | 634 | 2070 | 237 | 547 | 20 |
MIN | 8.3 | 23 | 16 | 13 | 304 | 176 | 167 | 223 | 236 | 17 | 9.8 | 4.8 |
CFSM | .03 | .10 | .05 | 1.73 | 2.37 | .71 | 1.76 | .92 | 1.64 | .13 | .17 | .02 |
IN. | .04 | .11 | .06 | 2.00 | 2.47 | .82 | 1.97 | 1.06 | 1.83 | .15 | .19 | .02 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1971 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 153 | 321 | 542 | 499 | 632 | 787 | 759 | 798 | 524 | 281 | 184 | 97.4 |
MAX | 1189 | 2205 | 1626 | 1862 | 2028 | 2565 | 2116 | 2809 | 1864 | 1166 | 952 | 817 |
(WY) | 1994 | 1993 | 1988 | 1974 | 1982 | 1979 | 1994 | 1996 | 1974 | 1973 | 1981 | 1993 |
MIN | 12.7 | 24.4 | 16.7 | 14.2 | 63.4 | 132 | 85.5 | 103 | 48.0 | 16.8 | 14.9 | 10.4 |
(WY) | 1985 | 1977 | 1977 | 1977 | 1977 | 1992 | 1971 | 1976 | 1988 | 1988 | 1988 | 1999 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1971 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 236767.9 | 136365.9 | ||||
ANNUAL MEAN | 649 | 374 | 464 | |||
HIGHEST ANNUAL MEAN | 838 | 1973 | ||||
LOWEST ANNUAL MEAN | 185 | 1980 | ||||
HIGHEST DAILY MEAN | 4580 | May 5 | 4000 A | Jan 25 | 9690 | Apr 14 1994 |
LOWEST DAILY MEAN | 6.7 | Sep 13 | 4.8 | Sep 21 | .00 | Sep 11 1988 |
ANNUAL SEVEN-DAY MINIMUM | 7.3 | Sep 11 | 6.1 | Sep 17 | 2.7 | Sep 8 1988 |
INSTANTANEOUS PEAK FLOW | 4180 | Jan 25 | 9950 | Apr 13 1994 | ||
INSTANTANEOUS PEAK STAGE | 13.25 | Jan 25 | 17.30 | Apr 13 1994 | ||
INSTANTANEOUS LOW FLOW | 4.5 | Sep 21 | ||||
ANNUAL RUNOFF (CFSM) | 1.37 | .79 | .98 | |||
ANNUAL RUNOFF (INCHES) | 18.62 | 10.72 | 13.33 | |||
10 PERCENT EXCEEDS | 2020 | 1170 | 1250 | |||
50 PERCENT EXCEEDS | 274 | 80 | 182 | |||
90 PERCENT EXCEEDS | 13 | 12 | 19 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |