DISCHARGE: October 1939 to current year. |
STAGE: Water years 1994-2001. |
WATER TEMPERATURE: Water years 1975-77. |
MISCELLANEOUS: Contaminants in streambed sediments, October 1996; contaminants in fish tissue, October 1996. |
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES |
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DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 6600 | 3280 | 10200 | e4500 | 20200 | 44800 | 21600 | 14100 | 18400 | e12500 | 6110 | 10800 |
2 | 4890 | 2810 | 9960 | e4600 | 20300 | 43200 | 21000 | 5880 | 17200 | e10200 | 5700 | 11000 |
3 | 9830 | 2830 | 9240 | e4600 | 20200 | 41500 | 21700 | 6630 | 17900 | e9200 | 7910 | 10300 |
4 | 11800 | 3250 | 7120 | e4500 | 22600 | 40300 | 20200 | 9550 | 18000 | e11800 | 11300 | 10500 |
5 | 12700 | e3600 | 7200 | e4500 | 23300 | 38200 | 14700 | 10800 | 18300 | e14000 | 10900 | 9440 |
6 | 12700 | 4030 | 7040 | e4400 | 22800 | 36500 | 7520 | 9320 | 20500 | e12600 | 9990 | 6290 |
7 | 11600 | 3720 | 6370 | e4400 | 22200 | 34400 | 8130 | 7670 | 22200 | e11000 | 8120 | 5090 |
8 | 9140 | 6300 | 6250 | e4400 | 21400 | 33000 | 12100 | 8930 | 25800 | e12000 | 6500 | 5800 |
9 | 9140 | 11000 | 6060 | e4300 | 26000 | 31000 | 11900 | 9410 | 27500 | 13000 | 5800 | 9250 |
10 | 8840 | 14500 | 6060 | e4300 | 34600 | 27800 | 18500 | 6600 | 27400 | 12800 | 6110 | 10100 |
11 | 8660 | 17000 | 7780 | e4300 | 40100 | 28100 | 20700 | 8150 | 27700 | 12700 | 6130 | 9770 |
12 | 6340 | 20400 | 7280 | e4400 | 45000 | 26300 | 18000 | 11600 | e27500 | 12400 | 5740 | 9540 |
13 | 5460 | 21400 | 5680 | e4500 | 46600 | 26000 | 20400 | 11400 | e27200 | 11300 | 5540 | 9500 |
14 | 5750 | 20900 | 4700 | e4700 | 46000 | 25500 | 20600 | 12300 | e27000 | 10300 | 4930 | 8180 |
15 | 5840 | 20000 | 3530 | e5000 | 45100 | 26000 | 21500 | 13000 | e26800 | 8270 | 4780 | 7200 |
16 | 7580 | 19100 | 4560 | e5500 | 45200 | 26700 | 22200 | 13100 | e25800 | 6220 | 5020 | 6070 |
17 | 7830 | 19400 | 4680 | e6000 | 44300 | 25200 | 24100 | 13500 | e24500 | 5580 | 4890 | 5410 |
18 | 7770 | 17500 | 4430 | e6800 | 42500 | 25400 | 23200 | 15800 | e23500 | 6290 | 4750 | 4680 |
19 | 7140 | 14500 | 4840 | e8000 | 40500 | 26400 | 21800 | 12900 | e22500 | 6590 | 5640 | 7810 |
20 | 6170 | 14100 | 3670 | e9000 | 40500 | 27600 | 20200 | 10800 | e23000 | 6030 | 5840 | 12100 |
21 | 4810 | 12400 | e4500 | e10000 | 38800 | 27700 | 19600 | 7360 | e22800 | 6190 | 6190 | 13900 |
22 | 5260 | 9170 | e5100 | e10500 | 36100 | 27400 | 20200 | 6970 | e21500 | 6220 | 6380 | 15200 |
23 | 5100 | 7600 | e5600 | e10500 | 34500 | 27000 | 19000 | 11800 | e20200 | 6800 | 7100 | 16500 |
24 | 5720 | 7610 | e5900 | e9600 | 33600 | 26700 | 21600 | 12600 | e19800 | 6440 | 9010 | 19100 |
25 | 5560 | 8040 | e6000 | e8800 | 35900 | 26300 | 21900 | 12000 | e18000 | 8280 | 9000 | 19400 |
26 | 4940 | 8070 | e5700 | e8000 | 41900 | 25000 | 21000 | 11400 | e18000 | 9880 | 10700 | 18300 |
27 | 4580 | 7660 | e5300 | e7600 | 47100 | 24200 | 21600 | 12000 | e17200 | 9650 | 12200 | 14700 |
28 | 5500 | 6900 | e5000 | e7100 | 47600 | 22700 | 20800 | 14900 | e16000 | 8680 | 14000 | 12700 |
29 | 5990 | 9490 | e4600 | e9000 | --- | 22700 | 19400 | 20000 | e15000 | 7640 | 14600 | 11400 |
30 | 5200 | 10200 | e4500 | 17300 | --- | 23000 | 19600 | 22800 | e14000 | 7350 | 13000 | 10800 |
31 | 4840 | --- | e4500 | 18800 | --- | 22100 | --- | 20700 | --- | 6830 | 10300 | --- |
TOTAL | 223280 | 326760 | 183350 | 219900 | 984900 | 908700 | 574750 | 363970 | 651200 | 288740 | 244180 | 320830 |
MEAN | 7203 | 10890 | 5915 | 7094 | 35180 | 29310 | 19160 | 11740 | 21710 | 9314 | 7877 | 10690 |
MAX | 12700 | 21400 | 10200 | 18800 | 47600 | 44800 | 24100 | 22800 | 27700 | 14000 | 14600 | 19400 |
MIN | 4580 | 2810 | 3530 | 4300 | 20200 | 22100 | 7520 | 5880 | 14000 | 5580 | 4750 | 4680 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 9412 | 11080 | 13340 | 14240 | 17140 | 23560 | 25380 | 23230 | 19020 | 13640 | 9749 | 9153 |
MAX | 33180 | 37100 | 52390 | 44480 | 40470 | 56190 | 55630 | 52180 | 46230 | 46130 | 28440 | 34620 |
(WY) | 1987 | 1986 | 1983 | 1993 | 1974 | 1979 | 1983 | 1943 | 1974 | 1993 | 1993 | 1993 |
MIN | 3362 | 4101 | 4598 | 3747 | 3421 | 7000 | 7928 | 7822 | 5579 | 4474 | 5038 | 4027 |
(WY) | 1964 | 2000 | 1944 | 1963 | 1963 | 1964 | 1940 | 1989 | 1977 | 1965 | 1944 | 1963 |
SUMMARY STATISTICS | FOR 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1940 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 4086010 | 5290560 | ||||
ANNUAL MEAN | 11160 | 14490 | 15730 | |||
HIGHEST ANNUAL MEAN | 32200 | 1993 | ||||
LOWEST ANNUAL MEAN | 6820 | 1964 | ||||
HIGHEST DAILY MEAN | 29700 | Jul 14 | 47600 | Feb 28 | 86700 | Dec 7 1982 |
LOWEST DAILY MEAN | 2810 | Nov 2 | 2810 | Nov 2 | 600 A | Oct 26 1997 |
ANNUAL SEVEN-DAY MINIMUM | 3360 | Nov 1 | 3360 | Nov 1 | 2060 | Oct 8 1964 |
MAXIMUM PEAK FLOW | 48500 B | Feb 28 | 88800 C | Dec 7 1982 | ||
MAXIMUM PEAK STAGE | 19.12 D | Mar 2 | 26.02 | May 25 1943 | ||
10 PERCENT EXCEEDS | 22900 | 27400 | 32300 | |||
50 PERCENT EXCEEDS | 7940 | 10800 | 11000 | |||
90 PERCENT EXCEEDS | 4500 | 4830 | 5250 |
A - Estimated, caused by dam regulation. | |
B - Gage height, 18.90 ft. | |
C - Gage height, 23.86 ft. | |
D - Discharge, 44,200 ft3/s. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |