DISCHARGE: October 1939 to current year. |
STAGE: Water years 1994-2001. |
CHEMICAL: Water years 1975-94. |
SEDIMENT: May 1980-September 1982. |
SPECIFIC CONDUCTANCE: Water years 1976-81. |
WATER TEMPERATURE: Water years 1976-81. |
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 | 7180 | 4360 | 5040 | e3500 | e5400 | e21000 | 11500 | 10700 | 9640 | 8730 | 3790 | 4500 |
2 | 6560 | 4410 | 4970 | e3500 | e5200 | e18000 | 11300 | 8880 | 9890 | 8620 | 3820 | 4210 |
3 | 6000 | 4370 | 4970 | e3600 | e5200 | e16000 | 11100 | 9570 | 10300 | 8610 | 4540 | 3940 |
4 | 6140 | 4290 | 4930 | e3700 | e5200 | e15000 | 10800 | 9670 | 10400 | 8940 | 5460 | 3790 |
5 | 6290 | 3950 | 4670 | e3800 | e5300 | 15200 | 10600 | 9690 | 10700 | 8410 | 5680 | 3750 |
6 | 6090 | 4080 | 4770 | e3900 | e5400 | 14700 | 10500 | 10600 | 10800 | 7970 | 5640 | 3770 |
7 | 6060 | 4510 | 4690 | e4000 | e5400 | 13200 | 10800 | 11000 | 12200 | 7690 | 5750 | 4120 |
8 | 5830 | 4310 | 3950 | e4100 | e6000 | 12600 | 10800 | 11200 | 12600 | 7570 | 5730 | 4350 |
9 | 5420 | 5130 | 3970 | e4200 | e9000 | 11900 | 11100 | 10800 | 12300 | 7100 | 5390 | 4690 |
10 | 5240 | 5250 | 4530 | e4200 | e12000 | 11400 | 10900 | 10800 | 11600 | 7430 | 5010 | 6280 |
11 | 5160 | 6250 | 4240 | e4200 | 19100 | 10900 | 11100 | 10500 | 11300 | 6720 | 4840 | 7100 |
12 | 5030 | 6320 | e4000 | e4100 | 20500 | 11000 | 11700 | 11000 | 10900 | 6550 | 4310 | 6830 |
13 | 5000 | 6750 | e3300 | e4100 | 20900 | 11300 | 12800 | 11200 | 10200 | 6050 | 4020 | 6510 |
14 | 4490 | 6430 | e2300 | e4100 | 20900 | 11700 | 13800 | 11600 | 11000 | 5970 | 3830 | 6590 |
15 | 4590 | 6080 | e2500 | e4000 | 20900 | 12300 | 14100 | 11700 | 11200 | 5800 | 3940 | 6400 |
16 | 4740 | 6020 | e3000 | e4000 | 20800 | 13200 | 14000 | 11200 | 11200 | 5460 | 3880 | 6010 |
17 | 5530 | 5720 | e3200 | e4000 | 19800 | 14300 | 13700 | 10700 | 11100 | 5460 | 3640 | 5770 |
18 | 3930 | 5680 | e3400 | e4100 | 17900 | 14900 | 13400 | 10400 | 11300 | 4670 | 3860 | 5670 |
19 | 3560 | 5330 | e3500 | e4100 | 15800 | 14900 | 13000 | 10100 | 11100 | 5790 | 4010 | 5880 |
20 | 4420 | 5260 | e3600 | e4200 | 14700 | 14800 | 12500 | 9100 | 11100 | 5110 | 3890 | 6660 |
21 | 4540 | 5390 | e3600 | e4200 | 16000 | 14700 | 12500 | 9300 | 10900 | 4590 | 3820 | 7490 |
22 | 4690 | 5340 | e3500 | e4300 | 16000 | 14500 | 12500 | 9810 | 10800 | 5480 | 3860 | 8520 |
23 | 4390 | 5120 | e3400 | e4300 | 14200 | 14300 | 12500 | 10100 | 10500 | 4740 | 3700 | 9050 |
24 | 4430 | 4990 | e3400 | e4200 | 14100 | 13800 | 12100 | 9750 | 10400 | 4440 | 3700 | 9110 |
25 | 4200 | 5070 | e3300 | e4200 | e17500 | 13500 | 12500 | 9910 | 10100 | 4880 | 3840 | 9520 |
26 | 4420 | 5440 | e3300 | e4100 | e23000 | 13100 | 12000 | 10200 | 9860 | 4660 | 3990 | 9950 |
27 | 4340 | 5240 | e3400 | e4000 | e26500 | 12800 | 11800 | 10500 | 9660 | 4350 | 4030 | 9280 |
28 | 5020 | 5360 | e3400 | e4000 | e24000 | 12400 | 11700 | 10300 | 9570 | 4320 | 4170 | 8470 |
29 | 4690 | 5260 | e3400 | e4100 | --- | 12200 | 11300 | 10200 | 8980 | 4270 | 4210 | 8330 |
30 | 4600 | 5160 | e3500 | e4500 | --- | 11900 | 11100 | 10000 | 8840 | 4180 | 4270 | 8320 |
31 | 4620 | --- | e3500 | e5000 | --- | 11700 | --- | 9550 | --- | 4050 | 4570 | --- |
TOTAL | 157200 | 156870 | 117230 | 126300 | 406700 | 423200 | 359500 | 320030 | 320440 | 188610 | 135190 | 194860 |
MEAN | 5071 | 5229 | 3782 | 4074 | 14520 | 13650 | 11980 | 10320 | 10680 | 6084 | 4361 | 6495 |
MAX | 7180 | 6750 | 5040 | 5000 | 26500 | 21000 | 14100 | 11700 | 12600 | 8940 | 5750 | 9950 |
MIN | 3560 | 3950 | 2300 | 3500 | 5200 | 10900 | 10500 | 8880 | 8840 | 4050 | 3640 | 3750 |
CFSM | .53 | .55 | .40 | .43 | 1.52 | 1.43 | 1.25 | 1.08 | 1.12 | .64 | .46 | .68 |
IN. | .61 | .61 | .46 | .49 | 1.58 | 1.65 | 1.40 | 1.25 | 1.25 | .73 | .53 | .76 |
e Estimated |
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1940 - 2001, BY WATER YEAR (WY) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
MEAN | 4527 | 5162 | 4988 | 5237 | 6450 | 10840 | 10840 | 8560 | 7504 | 5877 | 4407 | 4241 |
MAX | 17110 | 16700 | 14780 | 15820 | 14520 | 22500 | 26950 | 26030 | 26810 | 24000 | 12420 | 13470 |
(WY) | 1987 | 1986 | 1983 | 1973 | 2001 | 1948 | 1993 | 1973 | 2000 | 1993 | 1993 | 1972 |
MIN | 1381 | 1626 | 1519 | 1172 | 1554 | 2803 | 3877 | 2032 | 2052 | 1902 | 1349 | 1084 |
(WY) | 1957 | 1950 | 1959 | 1940 | 1940 | 1954 | 1940 | 1958 | 1977 | 1965 | 1958 | 1958 |
SUMMARY STATISTICS | FOR 2000 CALENDAR YEAR | FOR 2001 WATER YEAR | WATER YEARS 1940 - 2001 | |||
---|---|---|---|---|---|---|
ANNUAL TOTAL | 2981840 | 2906130 | ||||
ANNUAL MEAN | 8147 | 7962 | 6550 | |||
HIGHEST ANNUAL MEAN | 14560 | 1993 | ||||
LOWEST ANNUAL MEAN | 2587 | 1964 | ||||
HIGHEST DAILY MEAN | 43700 | Jun 16 | 26500 A | Feb 27 | 44700 | Mar 22 1948 |
LOWEST DAILY MEAN | 2300 A | Dec 14 | 2300 A | Dec 14 | 834 | Jan 3 1940 |
ANNUAL SEVEN-DAY MINIMUM | 2620 | Feb 3 | 3030 | Dec 13 | 977 | Jan 1 1940 |
MAXIMUM PEAK FLOW | 27000 A | Feb 27 | 46500 B | Mar 26 1993 | ||
MAXIMUM PEAK STAGE | 18.02 C | Feb 27 | 18.88 C | Feb 23 1997 | ||
ANNUAL RUNOFF (CFSM) | .85 | .83 | .69 | |||
ANNUAL RUNOFF (INCHES) | 11.62 | 11.32 | 9.32 | |||
10 PERCENT EXCEEDS | 16800 | 13600 | 13000 | |||
50 PERCENT EXCEEDS | 5560 | 6050 | 4980 | |||
90 PERCENT EXCEEDS | 3300 | 3850 | 2000 |
A - Estimated due to backwater from ice. | |
B - Gage height, 18.35 ft., affected by levee break. | |
C - Backwater from ice. |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |