DISCHARGE: July 1970 to current year. |
STAGE: Water years 1994-2000. |
CHEMICAL: Water years 1978-91. |
MISCELLANEOUS: May and June 1998. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 25 | 47 | 40 | 702 | 43 | 395 | 191 | 40 | 75 | 758 | 692 | 482 |
2 | 24 | 63 | 40 | 707 | 40 | 307 | 122 | 39 | 62 | 733 | 751 | 480 |
3 | 24 | 52 | 40 | 728 | 42 | 288 | 84 | 38 | 53 | 865 | 1110 | 479 |
4 | 26 | 47 | 40 | 815 | 40 | 286 | 71 | 41 | 48 | 776 | 854 | 478 |
5 | 25 | 45 | 44 | 815 | 38 | 282 | 52 | 40 | 46 | 6750 | 1240 | 477 |
6 | 24 | 44 | 43 | 811 | 40 | 279 | 48 | 37 | 44 | 5750 | 1170 | 477 |
7 | 23 | 44 | 40 | 805 | 39 | 202 | 110 | 71 | 42 | 1770 | 555 | 615 |
8 | 33 | 43 | 39 | 806 | 39 | 121 | 85 | 75 | 41 | 1120 | 490 | 704 |
9 | 39 | 43 | 39 | 803 | 39 | 81 | 61 | 52 | 38 | 1220 | 441 | e707 |
10 | 33 | 43 | 44 | 800 | 43 | 74 | 53 | 60 | 35 | 1290 | 240 | e964 |
11 | 24 | 42 | 42 | 796 | 45 | 76 | 50 | 43 | 48 | 1220 | 236 | 1270 |
12 | 21 | 42 | 41 | 798 | 42 | 77 | 46 | 37 | 109 | 1160 | 476 | 697 |
13 | 21 | 43 | 40 | 794 | 42 | 78 | 44 | 40 | 50 | 1200 | 581 | 615 |
14 | 20 | 43 | 61 | 789 | 41 | 83 | 43 | 32 | 120 | 1300 | 589 | 588 |
15 | 21 | 42 | 73 | 717 | 73 | 81 | 43 | 30 | 193 | 1300 | 509 | 646 |
16 | 22 | 41 | 116 | 700 | 127 | 78 | 47 | 29 | 598 | 1290 | 468 | 728 |
17 | 24 | 41 | 411 | 698 | 129 | 73 | 107 | 238 | 898 | 1150 | 469 | 720 |
18 | 22 | 41 | 459 | 696 | 204 | 70 | 79 | 138 | 239 | 855 | 485 | 715 |
19 | 18 | 41 | 463 | 608 | 295 | 82 | 60 | 54 | 126 | 665 | 424 | 708 |
20 | 30 | 42 | 466 | 463 | 282 | 300 | 57 | 39 | 206 | 660 | 406 | 699 |
21 | 41 | 41 | 469 | 361 | 264 | 237 | 62 | 36 | 1970 | 1020 | 398 | 563 |
22 | 41 | 41 | 560 | 252 | 261 | 312 | 63 | 35 | 1070 | 1120 | 396 | 531 |
23 | 41 | 43 | 580 | 109 | 335 | 349 | 54 | 105 | 1150 | 1170 | 399 | 525 |
24 | 42 | 43 | 586 | 106 | 436 | 409 | 65 | 71 | 2080 | 1230 | 397 | 527 |
25 | 43 | 42 | 586 | 90 | 450 | 420 | 70 | 42 | 2290 | 1230 | 334 | 718 |
26 | 44 | 41 | 589 | 102 | 462 | 421 | 63 | 36 | 2250 | 1220 | 312 | 854 |
27 | 45 | 40 | 589 | 93 | 497 | 434 | 52 | 725 | 1430 | 881 | 241 | 788 |
28 | 49 | 40 | 594 | 56 | 476 | 429 | 47 | 389 | 998 | 744 | 337 | 911 |
29 | 45 | 40 | 680 | 50 | 466 | 424 | 44 | 221 | 882 | 945 | 384 | 1290 |
30 | 43 | 39 | 696 | 45 | --- | 355 | 41 | 135 | 803 | 792 | 464 | 1320 |
31 | 43 | --- | 696 | 44 | --- | 283 | --- | 98 | --- | 721 | 481 | --- |
TOTAL | 976 | 1299 | 9206 | 16159 | 5330 | 7386 | 2014 | 3066 | 17994 | 42905 | 16329 | 21276 |
MEAN | 31.5 | 43.3 | 297 | 521 | 184 | 238 | 67.1 | 98.9 | 600 | 1384 | 527 | 709 |
MAX | 49 | 63 | 696 | 815 | 497 | 434 | 191 | 725 | 2290 | 6750 | 1240 | 1320 |
MIN | 18 | 39 | 39 | 44 | 38 | 70 | 41 | 29 | 35 | 660 | 236 | 477 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 372 | 579 | 1455 | 1700 | 1909 | 2044 | 1478 | 1078 | 1156 | 1039 | 744 | 409 |
MAX | 1769 | 2572 | 4259 | 4425 | 4787 | 5897 | 5221 | 4257 | 3258 | 2954 | 2360 | 1868 |
(WY) | 1975 | 1994 | 1986 | 1993 | 1974 | 1979 | 1979 | 1996 | 1974 | 1974 | 1974 | 1974 |
MIN | 13.2 | 12.1 | 7.27 | 8.02 | 69.4 | 238 | 67.1 | 36.3 | 25.6 | 24.5 | 19.6 | 13.5 |
(WY) | 1988 | 1977 | 1977 | 1977 | 1977 | 2000 | 2000 | 1987 | 1988 | 1976 | 1976 | 1976 |
SUMMARY STATISTICS | FOR 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1970 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 363859 | 143940 | ||||
ANNUAL MEAN | 997 | 393 | 1166 | |||
HIGHEST ANNUAL MEAN | 2409 | 1974 | ||||
LOWEST ANNUAL MEAN | 353 | 1977 | ||||
HIGHEST DAILY MEAN | 9170 | Jun 2 | 6750 | Jul 5 | 17300 | Apr 12 1979 |
LOWEST DAILY MEAN | 18 | Oct 19 | 18 | Oct 19 | 4.6 | Oct 6 1984 |
ANNUAL SEVEN-DAY MINIMUM | 21 | Oct 13 | 21 | Oct 13 | 6.0 | Nov 30 1976 |
INSTANTANEOUS PEAK FLOW | 10400 | Jul 5 | 19700 A | Apr 12 1979 | ||
INSTANTANEOUS PEAK STAGE | 18.23 | Jul 5 | 19.12 B | Feb 23 1985 | ||
INSTANTANEOUS LOW FLOW | 17 | Oct 19,20 | ||||
10 PERCENT EXCEEDS | 2740 | 902 | 2850 | |||
50 PERCENT EXCEEDS | 696 | 128 | 752 | |||
90 PERCENT EXCEEDS | 28 | 39 | 32 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |