LOCATION.-- Lat 42°18'33", long 88°15'05" (NAD of 1927), in NW1/4 sec.12, T.44 N., R.8 E., McHenry County, Hydrologic Unit 07120006, on left bank of main channel, 30 ft downstream from Stratton Lock and Dam, 2.5 mi downstream from McHenry, and at mile 97.8. | |
DRAINAGE AREA.-- 1,250 mi2. | |
PERIOD OF RECORD.-- | |
STAGE: October 2002 to current year. | |
GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 730.15 ft above NGVD of 1929 (729.99 ft NAVD 1988). | |
REMARKS.-- Stage regulated by Stratton Lock and Dam. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
STAGE: Maximum gage height, 6.34 ft, May 27, 2004; minimum, 0.28 ft, Sept. 4, 2003. | |
EXTREMES FOR CURRENT YEAR.-- Maximum gage height, 3.92 ft, Feb. 18; minimum, 0.35 ft, July 18, Aug. 10. |
Gage height, feet, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005
DAILY MEAN VALUES | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
1 | 0.58 | 1.13 | 1.63 | 1.01 | 1.86 | 2.47 | 2.22 | 1.24 | 0.96 | 0.45 | 0.57 | 0.47 |
2 | 0.58 | 1.20 | 1.62 | 1.01 | 1.76 | 2.44 | 2.21 | 1.23 | 0.93 | 0.52 | 0.56 | 0.45 |
3 | 0.62 | 1.29 | 1.61 | 0.99 | 1.56 | 2.34 | 2.23 | 1.18 | 0.91 | 0.56 | 0.56 | 0.46 |
4 | 0.56 | 1.53 | 1.62 | 1.16 | 1.51 | 2.13 | 2.26 | 1.06 | 0.95 | 0.59 | 0.51 | 0.46 |
5 | 0.58 | 1.54 | 1.59 | 1.52 | 1.48 | 1.93 | 2.28 | 0.93 | 0.96 | 0.60 | 0.50 | 0.47 |
6 | 0.58 | 1.63 | 1.60 | 1.77 | 1.46 | 1.94 | 2.27 | 0.91 | 0.93 | 0.58 | 0.50 | 0.44 |
7 | 0.60 | 1.58 | 1.68 | 1.93 | 1.84 | 1.95 | 2.22 | 0.92 | 0.97 | 0.55 | 0.48 | 0.43 |
8 | 0.63 | 1.53 | 1.92 | 1.93 | 2.33 | 2.16 | 2.23 | 0.94 | 0.95 | 0.53 | 0.45 | 0.43 |
9 | 0.64 | 1.50 | 2.03 | 1.91 | 2.47 | 2.44 | 2.24 | 0.99 | 0.95 | 0.53 | 0.45 | 0.44 |
10 | 0.66 | 1.50 | 2.01 | 1.77 | 2.52 | 2.50 | 2.23 | 1.01 | 0.95 | 0.52 | 0.41 | 0.45 |
11 | 0.65 | 1.57 | 1.97 | 1.69 | 2.54 | 2.46 | 2.24 | 1.23 | 0.91 | 0.50 | 0.43 | 0.44 |
12 | 0.65 | 1.56 | 1.97 | 1.87 | 2.55 | 2.28 | 2.12 | 1.35 | 0.90 | 0.46 | 0.53 | 0.44 |
13 | 0.63 | 1.56 | 1.89 | 2.43 | 2.57 | 2.22 | 1.93 | 1.37 | 0.94 | 0.43 | 0.56 | 0.48 |
14 | 0.64 | 1.56 | 1.97 | 2.75 | 2.76 | 2.16 | 1.72 | 1.42 | 0.87 | 0.41 | 0.55 | 0.45 |
15 | 0.64 | 1.48 | 1.94 | 2.64 | 2.97 | 2.08 | 1.50 | 1.44 | 0.87 | 0.42 | 0.53 | 0.42 |
16 | 0.62 | 1.40 | 1.67 | 2.61 | 3.23 | 1.82 | 1.34 | 1.51 | 0.87 | 0.42 | 0.51 | 0.44 |
17 | 0.65 | 1.34 | 1.59 | 2.50 | 3.62 | 1.59 | 1.33 | 1.60 | 0.85 | 0.42 | 0.51 | 0.44 |
18 | 0.70 | 1.21 | 1.42 | 2.36 | 3.83 | 1.69 | 1.34 | 1.53 | 0.83 | 0.42 | 0.59 | 0.45 |
19 | 0.70 | 1.24 | 1.61 | 2.33 | 3.73 | 1.81 | 1.37 | 1.51 | 0.80 | 0.43 | 0.60 | 0.46 |
20 | 0.67 | 1.32 | 1.54 | 2.33 | 3.61 | 1.84 | 1.41 | 1.71 | 0.75 | 0.48 | 0.65 | 0.45 |
21 | 0.69 | 1.31 | 1.46 | 2.35 | 3.46 | 1.87 | 1.45 | 1.71 | 0.67 | 0.53 | 0.64 | 0.48 |
22 | 0.73 | 1.33 | 1.33 | 2.40 | 3.32 | 1.88 | 1.46 | 1.58 | 0.60 | 0.52 | 0.63 | 0.51 |
23 | 0.83 | 1.31 | 1.30 | 2.40 | 3.18 | 1.96 | 1.44 | 1.49 | 0.57 | 0.52 | 0.62 | 0.51 |
24 | 0.83 | 1.30 | 1.32 | 2.36 | 2.98 | 2.16 | 1.41 | 1.50 | 0.55 | 0.56 | 0.61 | 0.51 |
25 | 0.86 | 1.40 | 1.32 | 2.28 | 2.66 | 2.19 | 1.37 | 1.41 | 0.55 | 0.59 | 0.59 | 0.53 |
26 | 0.88 | 1.42 | 1.32 | 2.14 | 2.59 | 2.19 | 1.27 | 1.21 | 0.56 | 0.57 | 0.57 | 0.92 |
27 | 0.94 | 1.48 | 1.24 | 2.11 | 2.56 | 2.19 | 1.25 | 1.14 | 0.53 | 0.62 | 0.56 | 1.37 |
28 | 1.02 | 1.46 | 1.08 | 2.10 | 2.52 | 2.17 | 1.26 | 1.12 | 0.47 | 0.60 | 0.54 | 1.33 |
29 | 1.03 | 1.51 | 1.05 | 2.08 | --- | 2.19 | 1.27 | 1.11 | 0.50 | 0.59 | 0.51 | 1.24 |
30 | 0.99 | 1.59 | 1.05 | 2.09 | --- | 2.21 | 1.24 | 1.11 | 0.47 | 0.61 | 0.50 | 1.18 |
31 | 1.02 | --- | 1.04 | 2.01 | --- | 2.16 | --- | 1.04 | --- | 0.59 | 0.49 | --- |
MEAN | 0.72 | 1.43 | 1.56 | 2.03 | 2.62 | 2.11 | 1.74 | 1.27 | 0.78 | 0.52 | 0.54 | 0.58 |
MAX | 1.03 | 1.63 | 2.03 | 2.75 | 3.83 | 2.50 | 2.28 | 1.71 | 0.97 | 0.62 | 0.65 | 1.37 |
MIN | 0.56 | 1.13 | 1.04 | 0.99 | 1.46 | 1.59 | 1.24 | 0.91 | 0.47 | 0.41 | 0.41 | 0.42 |
CAL YR 2004 | MEAN 1.77 | MAX 6.30 | MIN 0.56 |
WTR YR 2005 | MEAN 1.32 | MAX 3.83 | MIN 0.41 |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |