DISCHARGE: February 1908 to September 1912, November to December 1912, August to December 1914, October 1940 to current year. |
STAGE: Water years 1994-2000. |
CHEMICAL: Water years 1978-91. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 21 | 42 | 39 | 664 | 30 | 270 | 72 | 23 | 27 | 588 | 707 | 539 |
2 | 21 | 43 | 38 | 664 | 30 | 230 | 43 | 23 | 27 | 589 | 707 | 537 |
3 | 21 | 44 | 39 | 726 | 30 | 230 | 31 | 23 | 27 | 593 | 787 | 537 |
4 | 20 | 43 | 39 | 770 | 29 | 230 | 22 | 23 | 27 | 592 | 840 | 536 |
5 | 21 | 44 | 39 | 767 | 29 | 230 | 22 | 22 | 27 | 267 | 683 | 535 |
6 | 21 | 43 | 38 | 765 | 29 | 163 | 23 | 22 | 27 | 175 | 459 | 637 |
7 | 21 | 42 | 38 | 764 | 29 | 70 | 23 | 22 | 27 | 680 | 387 | 807 |
8 | 23 | 42 | 38 | 757 | 29 | 43 | 23 | 21 | 27 | 985 | 387 | 803 |
9 | 16 | 42 | 38 | 757 | 30 | 43 | 23 | 20 | 27 | 1210 | 218 | 799 |
10 | 18 | 42 | 38 | 756 | 30 | 42 | 23 | 20 | 27 | 1110 | 133 | 805 |
11 | 19 | 41 | 38 | 756 | 29 | 42 | 24 | 19 | 27 | 973 | 473 | 694 |
12 | 20 | 41 | 38 | 752 | 29 | 43 | 24 | 18 | 27 | 1040 | 615 | 638 |
13 | 20 | 41 | 37 | 752 | 30 | 42 | 25 | 18 | 27 | 1240 | 655 | 637 |
14 | 20 | 41 | 38 | 692 | 75 | 42 | 25 | 18 | 29 | 1290 | 597 | 650 |
15 | 20 | 41 | 95 | 653 | 107 | 43 | 26 | 18 | 29 | 1300 | 506 | 805 |
16 | 18 | 41 | 358 | 651 | 107 | 41 | 27 | 19 | 30 | 1250 | 504 | 802 |
17 | 12 | 41 | 446 | 649 | 105 | 42 | 27 | 19 | 29 | 911 | 479 | 796 |
18 | 23 | 41 | 442 | 586 | 169 | 42 | 26 | 19 | 29 | 729 | 423 | 790 |
19 | 42 | 40 | 442 | 452 | 208 | 43 | 26 | 19 | 28 | 541 | 421 | 784 |
20 | 41 | 40 | 442 | 280 | 207 | 74 | 23 | 20 | 33 | 922 | 418 | 674 |
21 | 41 | 39 | 512 | 147 | 208 | 215 | 21 | 20 | 208 | 1180 | 416 | 592 |
22 | 41 | 39 | 556 | 58 | 275 | 318 | 25 | 20 | 891 | 1220 | 414 | 587 |
23 | 41 | 39 | 559 | 57 | 383 | 380 | 25 | 21 | 836 | 1280 | 415 | 585 |
24 | 41 | 39 | 559 | 57 | 424 | 424 | 25 | 21 | 197 | 1300 | 350 | 587 |
25 | 41 | 39 | 558 | 56 | 422 | 424 | 24 | 26 | 106 | 1290 | 310 | 506 |
26 | 41 | 39 | 558 | 41 | 423 | 425 | 24 | 29 | 156 | 1090 | 233 | 593 |
27 | 41 | 39 | 556 | 30 | 422 | 425 | 24 | 30 | 328 | 724 | 300 | 819 |
28 | 40 | 39 | 623 | 30 | 422 | 424 | 24 | 29 | 589 | 722 | 407 | 1240 |
29 | 40 | 39 | 668 | 30 | 367 | 365 | 24 | 28 | 589 | 722 | 490 | 1410 |
30 | 41 | 39 | 664 | 30 | --- | 271 | 24 | 27 | 589 | 715 | 538 | 1320 |
31 | 41 | --- | 664 | 30 | --- | 160 | --- | 27 | --- | 711 | 540 | --- |
TOTAL | 887 | 1225 | 9237 | 14179 | 4707 | 5836 | 798 | 684 | 5047 | 27939 | 14812 | 22044 |
MEAN | 28.6 | 40.8 | 298 | 457 | 162 | 188 | 26.6 | 22.1 | 168 | 901 | 478 | 735 |
MAX | 42 | 44 | 668 | 770 | 424 | 425 | 72 | 30 | 891 | 1300 | 840 | 1410 |
MIN | 12 | 39 | 37 | 30 | 29 | 41 | 21 | 18 | 27 | 175 | 133 | 506 |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1970 - 2000, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 371 | 436 | 1172 | 1358 | 1514 | 1562 | 1079 | 791 | 936 | 898 | 641 | 322 |
MAX | 2031 | 1626 | 3492 | 3527 | 4551 | 4696 | 3980 | 2903 | 2689 | 2882 | 2079 | 1786 |
(WY) | 1970 | 1994 | 1986 | 1993 | 1974 | 1979 | 1979 | 1996 | 1996 | 1974 | 1973 | 1973 |
MIN | 5.15 | 5.44 | 2.58 | 3.57 | 15.4 | 188 | 25.3 | 10.0 | 8.56 | 12.5 | 8.24 | 3.72 |
(WY) | 1971 | 1971 | 1977 | 1977 | 1977 | 2000 | 1990 | 1987 | 1976 | 1976 | 1970 | 1970 |
SUMMARY STATISTICS | FOR 1999 CALENDAR YEAR | FOR 2000 WATER YEAR | WATER YEARS 1970 - 2000 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 277170 | 107395 | ||||
ANNUAL MEAN | 759 | 293 | 921 | |||
HIGHEST ANNUAL MEAN | 1941 | 1974 | ||||
LOWEST ANNUAL MEAN | 275 | 1971 | ||||
HIGHEST DAILY MEAN | 3860 | Jan 27,28 | 1410 | Sep 29 | 5100 | Mar 24 1998 |
LOWEST DAILY MEAN | 12 | Oct 17 | 12 | Oct 17 | .00 | A |
ANNUAL SEVEN-DAY MINIMUM | 18 | Oct 11 | 18 | Oct 11 | 2.0 | Dec 22 1976 |
INSTANTANEOUS PEAK FLOW | 1430 | Sep 29 | 5580 B | Mar 22 1998 | ||
INSTANTANEOUS PEAK STAGE | 10.81 | Sep 29 | 13.16 C | Mar 20 1982 | ||
INSTANTANEOUS LOW FLOW | 7.5 | Oct 18 | ||||
10 PERCENT EXCEEDS | 1760 | 766 | 2250 | |||
50 PERCENT EXCEEDS | 586 | 43 | 562 | |||
90 PERCENT EXCEEDS | 21 | 22 | 15 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |