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 | 63 | 556 | 410 | e240 | 856 | 345 | 278 | 1110 | 423 | 1010 | 83 | 51 |
2 | 66 | 636 | 378 | e300 | 1000 | 331 | 274 | 963 | 695 | 549 | 77 | 49 |
3 | 75 | 1090 | 368 | e290 | 1350 | 336 | 282 | 868 | 772 | 413 | 73 | 47 |
4 | 82 | 980 | 359 | e280 | 1160 | 323 | 936 | 798 | 594 | 361 | 70 | 45 |
5 | 277 | 753 | 346 | e270 | 926 | 315 | 473 | 739 | 819 | 325 | 67 | 43 |
6 | 1370 | 655 | e340 | e320 | 786 | 329 | 429 | 687 | 1110 | 307 | 64 | 41 |
7 | 796 | 586 | e760 | e300 | 734 | 315 | 409 | 638 | 1460 | 282 | 72 | 40 |
8 | 433 | 556 | e1300 | e280 | 693 | 302 | 362 | 588 | 1080 | 262 | 77 | 38 |
9 | 321 | 586 | 836 | e260 | 660 | 291 | 765 | 546 | 1200 | 250 | 71 | 36 |
10 | 266 | 1960 | 685 | e250 | 615 | 331 | 709 | 513 | 796 | 235 | 64 | 35 |
11 | 233 | 2730 | 595 | e240 | 611 | 327 | 507 | 490 | 832 | 220 | 58 | 34 |
12 | 207 | 3110 | 542 | e230 | 899 | 303 | 436 | 515 | 892 | 207 | 138 | 35 |
13 | 187 | 3450 | 502 | e220 | 735 | 306 | 391 | 968 | 1140 | 198 | 186 | 34 |
14 | 174 | 2410 | 465 | e215 | 593 | 308 | 371 | 1750 | 1890 | 188 | 143 | 34 |
15 | 172 | 1470 | 432 | e215 | 562 | 319 | 378 | 1710 | 2360 | 177 | 92 | 34 |
16 | 174 | 1110 | 414 | e210 | 535 | 364 | 1390 | 1120 | 2710 | 166 | 72 | 33 |
17 | 1130 | 957 | 397 | e210 | 496 | 536 | 1870 | 938 | 1600 | 156 | 63 | 32 |
18 | 4740 | 840 | 387 | e210 | 459 | 697 | 1550 | 897 | 913 | 150 | 62 | 32 |
19 | 4120 | 763 | 368 | e210 | 435 | 542 | 1080 | 769 | 751 | 146 | 65 | 37 |
20 | 4830 | 684 | 341 | e205 | 412 | 450 | 900 | 679 | 663 | 152 | 63 | 87 |
21 | 5250 | 621 | 323 | e200 | 384 | 415 | 804 | 637 | 585 | 147 | 60 | 37 |
22 | 3730 | 583 | e270 | e500 | 363 | 388 | 742 | 771 | 538 | 132 | 56 | 33 |
23 | 2200 | 554 | e290 | e1400 | 362 | 361 | 1540 | 858 | 510 | 119 | 54 | 31 |
24 | 1280 | 514 | e310 | e1600 | 359 | 346 | 2130 | 685 | 493 | 110 | 317 | 30 |
25 | 970 | 495 | e330 | e1800 | 349 | 328 | 2400 | 603 | 444 | 113 | 245 | 29 |
26 | 799 | 477 | e345 | 1350 | 344 | 312 | 1940 | 544 | 405 | 104 | 116 | 29 |
27 | 726 | 440 | e350 | 1010 | 359 | 305 | 1260 | 501 | 436 | 98 | 83 | 36 |
28 | 898 | 418 | e320 | 1730 | 375 | 305 | 1260 | 468 | 612 | 135 | 70 | 731 |
29 | 819 | 409 | e280 | 1860 | --- | 303 | 1600 | 440 | 401 | 149 | 63 | 810 |
30 | 689 | 414 | e170 | 1210 | --- | 290 | 1480 | 414 | 358 | 114 | 58 | 331 |
31 | 613 | --- | e190 | 924 | --- | 279 | --- | 397 | --- | 91 | 53 | --- |
TOTAL | 37690 | 30807 | 13403 | 18539 | 17412 | 11002 | 28946 | 23604 | 27482 | 7066 | 2835 | 2914 |
MEAN | 1216 | 1027 | 432 | 598 | 622 | 355 | 965 | 761 | 916 | 228 | 91.5 | 97.1 |
MAX | 5250 | 3450 | 1300 | 1860 | 1350 | 697 | 2400 | 1750 | 2710 | 1010 | 317 | 810 |
MIN | 63 | 409 | 170 | 200 | 344 | 279 | 274 | 397 | 358 | 91 | 53 | 29 |
CFSM | 2.73 | 2.31 | .97 | 1.34 | 1.40 | .80 | 2.17 | 1.71 | 2.06 | .51 | .21 | .22 |
IN. | 3.15 | 2.58 | 1.12 | 1.55 | 1.46 | .92 | 2.42 | 1.97 | 2.30 | .59 | .24 | .24 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1935 - 1999, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 143 | 174 | 179 | 250 | 358 | 500 | 546 | 472 | 423 | 302 | 164 | 128 |
MAX | 1216 | 1192 | 1469 | 1133 | 1280 | 1791 | 2307 | 1762 | 1829 | 2258 | 1508 | 1006 |
(WY) | 1999 | 1978 | 1983 | 1969 | 1985 | 1993 | 1973 | 1996 | 1974 | 1982 | 1993 | 1970 |
MIN | 5.47 | 11.2 | 8.86 | 6.39 | 11.9 | 66.0 | 33.4 | 33.0 | 35.8 | 11.7 | 10.3 | 7.29 |
(WY) | 1989 | 1938 | 1964 | 1977 | 1989 | 1956 | 1956 | 1989 | 1977 | 1936 | 1988 | 1988 |
SUMMARY STATISTICS | FOR 1998 CALENDAR YEAR | FOR 1999 WATER YEAR | WATER YEARS 1935 - 1999 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 250736 | 221700 | ||||
ANNUAL MEAN | 687 | 607 | 303 | |||
HIGHEST ANNUAL MEAN | 965 | 1993 | ||||
LOWEST ANNUAL MEAN | 76.6 | 1940 | ||||
HIGHEST DAILY MEAN | 5250 | Oct 21 | 5250 | Oct 21 | 14000 | Apr 22 1973 |
LOWEST DAILY MEAN | 43 | Sep 13 | 29 | Sep 25, 26 | 1.3 | Oct 19 1988 |
ANNUAL SEVEN-DAY MINIMUM | 47 | Sep 7 | 32 | Sep 21 | 2.4 | Oct 18 1988 |
INSTANTANEOUS PEAK FLOW | 5560 | Oct 21 | 18000 | Apr 22 1973 | ||
INSTANTANEOUS PEAK STAGE | 22.51 | Oct 21 | 23.33 | Apr 22 1973 | ||
INSTANTANEOUS LOW FLOW | 28 | Sep 25, 26 | 1.2 | A | ||
ANNUAL RUNOFF (CFSM) | 1.54 | 1.36 | .68 | |||
ANNUAL RUNOFF (INCHES) | 20.96 | 18.53 | 9.25 | |||
10 PERCENT EXCEEDS | 1430 | 1320 | 700 | |||
50 PERCENT EXCEEDS | 480 | 397 | 131 | |||
90 PERCENT EXCEEDS | 84 | 63 | 20 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |