DISCHARGE: May 1931 to current year. Prior to October 1971, published as "at Lowell." |
STAGE: Water years 1994-2001. |
CHEMICAL: Water years 1978 to 1991. |
SEDIMENT: June 1980 to September 1981. |
MISCELLANEOUS: Contaminants in streambed sediments, July 1996; contaminants in fish tissue, July 1996. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES |
||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 16 | 16 | 127 | e47 | e3000 | 3040 | 623 | 601 | 1480 | 304 | 77 | 45 |
2 | 17 | 18 | 129 | e49 | e2800 | 2380 | 588 | 589 | 1990 | 276 | 89 | 34 |
3 | 17 | 21 | 129 | e52 | e1900 | 1950 | 552 | 559 | 1680 | 1660 | 85 | 30 |
4 | 59 | 18 | 119 | e54 | e1600 | 1680 | 517 | 522 | 1290 | 2620 | 84 | 28 |
5 | 55 | 17 | e115 | e57 | e1350 | 1480 | 504 | 495 | 5830 | 2000 | 68 | 21 |
6 | 49 | 18 | 115 | e61 | e1250 | 1270 | 540 | 484 | 16600 | 1290 | 60 | 19 |
7 | 35 | 41 | 111 | e63 | e1500 | 1130 | 833 | 475 | 14600 | 842 | 54 | 21 |
8 | 36 | 66 | e102 | e64 | 3510 | 1030 | 1220 | 452 | 10600 | 685 | 49 | 19 |
9 | 38 | 138 | e96 | e63 | 11500 | 934 | 1090 | 430 | 7580 | 795 | 45 | 25 |
10 | 40 | 556 | e92 | e60 | 15700 | 853 | 960 | 415 | 4930 | 1140 | 41 | 27 |
11 | 35 | 621 | 88 | e57 | 9700 | 787 | 1720 | 473 | 3470 | 930 | 35 | 24 |
12 | 28 | 486 | e100 | e56 | 5570 | 768 | 2630 | 511 | 2660 | 659 | 31 | 26 |
13 | 23 | 361 | e104 | e58 | 3820 | 830 | 2470 | 500 | 2130 | 484 | 28 | 21 |
14 | 19 | 299 | e102 | e69 | 3440 | 841 | 1840 | 469 | 1750 | 385 | 26 | 18 |
15 | 19 | 268 | e96 | e76 | 4110 | 858 | 1500 | 469 | 1480 | 320 | 26 | 15 |
16 | 17 | 245 | e92 | e87 | 3780 | 1240 | 1280 | 462 | 1260 | 277 | 29 | 14 |
17 | 15 | 206 | e85 | e98 | 3010 | 1980 | 1080 | 457 | 1080 | 243 | 25 | 13 |
18 | 13 | 170 | e78 | e110 | 2310 | 2720 | 934 | 564 | 941 | 222 | 98 | 16 |
19 | 12 | 154 | e74 | e125 | 1900 | 2580 | 830 | 936 | 837 | 210 | 119 | 115 |
20 | 10 | 137 | e68 | e130 | 1620 | 2170 | 791 | 874 | 748 | 191 | 52 | 113 |
21 | 13 | 114 | e64 | e127 | 1320 | 1800 | 763 | 753 | 724 | 170 | 47 | 125 |
22 | 14 | 96 | e59 | e118 | 1120 | 1510 | 781 | 657 | 703 | 156 | 45 | 116 |
23 | 15 | 101 | e56 | e112 | 995 | 1290 | 1540 | 579 | 656 | 230 | 64 | 100 |
24 | 17 | 100 | e52 | e108 | 1620 | 1130 | 1710 | 530 | 579 | 183 | 64 | 95 |
25 | 18 | 96 | e47 | e105 | 8220 | 987 | 1370 | 492 | 506 | 165 | 69 | 87 |
26 | 16 | 114 | e44 | e102 | 9100 | 873 | 1070 | 509 | 448 | 136 | 80 | 69 |
27 | 16 | 116 | e41 | e101 | 6510 | 784 | 895 | 686 | 404 | 116 | 79 | 57 |
28 | 15 | 110 | e41 | e100 | 4200 | 738 | 774 | 1140 | 378 | 107 | 64 | 46 |
29 | 14 | 112 | e41 | 267 | --- | 701 | 667 | 1130 | 355 | 97 | 50 | 38 |
30 | 13 | 117 | e43 | e900 | --- | 674 | 617 | 880 | 329 | 90 | 41 | 35 |
31 | 14 | --- | e45 | e3100 | --- | 651 | --- | 811 | --- | 83 | 48 | --- |
TOTAL | 718 | 4932 | 2555 | 6576 | 116455 | 41659 | 32689 | 18904 | 88018 | 17066 | 1772 | 1412 |
MEAN | 23.2 | 164 | 82.4 | 212 | 4159 | 1344 | 1090 | 610 | 2934 | 551 | 57.2 | 47.1 |
MAX | 59 | 621 | 129 | 3100 | 15700 | 3040 | 2630 | 1140 | 16600 | 2620 | 119 | 125 |
MIN | 10 | 16 | 41 | 47 | 995 | 651 | 504 | 415 | 329 | 83 | 25 | 13 |
CFSM | .02 | .13 | .07 | .17 | 3.32 | 1.07 | .87 | .49 | 2.35 | .44 | .05 | .04 |
IN. | .02 | .15 | .08 | .20 | 3.46 | 1.24 | .97 | .56 | 2.62 | .51 | .05 | .04 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1972 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 427 | 724 | 992 | 904 | 1346 | 2054 | 1862 | 1585 | 1411 | 716 | 333 | 404 |
MAX | 3188 | 4978 | 6201 | 4259 | 4159 | 7649 | 5098 | 5152 | 4442 | 2966 | 2678 | 3997 |
(WY) | 1987 | 1986 | 1983 | 1993 | 2001 | 1979 | 1982 | 1995 | 1980 | 1993 | 1981 | 1993 |
MIN | 11.4 | 11.4 | 11.4 | 6.36 | 40.9 | 49.1 | 208 | 241 | 78.5 | 8.83 | 6.89 | 11.8 |
(WY) | 1972 | 1972 | 1977 | 1977 | 1977 | 2000 | 1977 | 1992 | 1988 | 1988 | 1988 | 1999 |
SUMMARY STATISTICS | FOR 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1972 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 104633 | 332756 | ||||
ANNUAL MEAN | 286 | 912 | 1061 | |||
HIGHEST ANNUAL MEAN | 2419 | 1993 | ||||
LOWEST ANNUAL MEAN | 267 | 2000 | ||||
HIGHEST DAILY MEAN | 4690 | Jun 25 | 16600 | Jun 6 | 30000 | Dec 4 1982 |
LOWEST DAILY MEAN | 10 | A | 10 | Oct 20 | 2.6 | Aug 3 1988 |
ANNUAL SEVEN-DAY MINIMUM | 11 | Jan 24 | 13 | Oct 17 | 3.0 | Jul 30 1988 |
MAXIMUM PEAK FLOW | 18200 | Jun 6 | 31800 | Dec 4 1982 | ||
MAXIMUM PEAK STAGE | 21.17 | Jun 6 | 27.13 | Dec 4 1982 | ||
INSTANTANEOUS LOW FLOW | 9.0 | Oct 20 | 2.6 | Aug 3 1988 | ||
ANNUAL RUNOFF (CFSM) | .23 | .73 | .85 | |||
ANNUAL RUNOFF (INCHES) | 3.11 | 9.89 | 11.52 | |||
10 PERCENT EXCEEDS | 747 | 1990 | 2630 | |||
50 PERCENT EXCEEDS | 60 | 183 | 392 | |||
90 PERCENT EXCEEDS | 15 | 21 | 25 |
A - Jan. 26-28 (estimated due to backwater from ice) and Oct. 20. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |