Station list     Available data
ILLINOIS RIVER BASIN


05548500                         FOX RIVER AT JOHNSBURG, IL



LOCATION.--Lat 42°22'35", long 88°14'15", in SW1/4SW1/4 sec.18, T.45 N., R.9 E., McHenry County, Hydrologic Unit 07120006, on left bank at upstream side of bridge on Chapel Hill Road in Johnsburg, 5.5 mi upstream from McHenry Dam, and at mile 103.0.

DRAINAGE AREA.--1,205 mi2.

PERIOD OF RECORD.--October 1939 to current year (gage heights only).

REVISED RECORDS.--WDR IL-75-1: Drainage area.

GAGE.--Water-stage recorder. Datum of gage is 733.00 ft above sea level (levels by Illinois Department of Transportation). Oct. 1, 1939 to Dec. 14, 1939, nonrecording gage at same site at datum 2.16 ft higher. Dec. 14, 1939, to Sept. 30, 1971, at datum 2.16 ft higher.

REMARKS.--Stage regulated by Stratton Lock and Dam, 5.5 mi downstream from station (previously known as McHenry Dam). Gage-height telemeter at station.

EXTREMES FOR PERIOD OF RECORD.--Maximum gage height, 7.55 ft, present datum, Apr. 6, 1960; minimum, 1.43 ft, present datum, Mar. 9, 1967.

EXTREMES FOR CURRENT YEAR.--Maximum gage height, 5.91 ft, June 17; minimum, 2.15 ft, Dec. 2.
GAGE HEIGHT, FEET, WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 4.03 4.12 2.43 2.22 4.01 2.99 3.99 4.99 4.09 4.19 4.15 3.97
2 4.04 4.12 2.33 2.33 4.07 3.03 4.03 4.89 4.13 4.16 4.12 3.96
3 4.12 4.04 2.50 2.26 4.07 3.12 4.05 4.74 4.18 4.07 4.05 3.93
4 4.13 3.91 2.59 2.24 4.13 3.13 4.09 4.59 4.20 4.13 4.08 3.91
5 4.18 3.82 2.57 2.24 4.18 3.25 4.16 4.40 4.10 4.13 4.03 3.85
 
6 4.13 3.75 2.67 2.23 4.20 3.35 3.91 4.31 4.05 4.20 4.00 3.86
7 4.16 3.70 2.83 2.21 4.18 --- 4.03 4.20 4.07 4.16 4.01 3.88
8 4.17 3.68 2.81 2.21 4.07 --- 4.19 4.34 4.17 4.06 4.07 3.77
9 4.13 3.66 2.81 2.21 3.99 --- 4.35 4.33 4.15 4.01 4.01 3.69
10 4.09 3.12 2.87 2.19 3.90 3.35 4.23 4.29 4.14 4.10 3.98 3.69
 
11 4.05 3.34 2.86 2.18 3.69 3.31 4.20 4.22 4.14 4.01 4.01 3.74
12 3.98 3.82 2.86 2.19 3.76 3.28 4.21 4.21 4.21 4.04 4.04 3.72
13 4.00 3.90 2.90 2.20 3.94 3.31 4.23 4.17 4.71 4.00 4.06 3.75
14 4.00 3.87 2.84 2.20 3.93 3.34 4.21 4.09 4.96 3.97 4.07 3.78
15 4.00 3.85 2.71 2.21 3.90 3.32 4.20 4.03 5.37 4.01 4.02 3.82
 
16 3.97 3.74 2.77 2.22 3.85 3.33 4.26 3.96 5.74 4.03 4.02 3.84
17 4.05 3.65 2.70 2.26 3.78 3.21 4.14 3.96 5.89 4.11 4.03 3.82
18 4.19 3.50 2.55 2.26 3.74 3.63 4.08 4.14 5.86 4.13 4.04 3.82
19 4.28 3.18 2.60 2.34 3.66 3.86 4.07 4.35 5.74 4.18 4.12 3.79
20 4.28 3.14 2.55 2.38 3.55 3.91 4.04 4.47 5.58 4.23 4.09 3.86
 
21 4.28 2.98 2.49 2.42 3.41 4.00 4.07 4.57 5.40 4.21 4.05 3.88
22 4.22 2.68 2.44 2.54 3.26 4.00 4.17 4.63 5.18 4.24 4.06 3.84
23 4.10 2.66 2.39 2.55 3.20 3.96 4.42 4.62 4.97 4.24 4.11 3.80
24 4.05 2.79 2.36 2.78 3.20 4.02 4.38 4.63 4.89 4.26 4.17 3.88
25 4.04 2.70 2.32 3.08 3.16 4.01 4.66 4.58 4.73 4.30 4.16 3.85
 
26 4.06 2.64 2.31 3.41 3.09 3.96 4.87 4.53 4.57 4.33 4.12 3.76
27 4.06 2.62 2.27 3.60 3.05 3.92 4.99 4.42 4.47 4.34 4.11 3.94
28 4.11 2.56 2.29 3.72 2.95 3.83 5.11 4.35 4.43 4.29 4.08 4.24
29 4.10 2.44 2.28 3.84 --- 3.83 5.11 4.27 4.35 4.22 4.11 4.30
30 4.12 2.38 2.26 3.93 --- 3.79 5.03 4.16 4.25 4.22 4.06 4.20
 
31 4.12 --- 2.22 3.99 --- 3.78 --- 4.06 --- 4.16 4.00 ---

MEAN 4.10 3.35 2.56 2.60 3.71 --- 4.32 4.37 4.69 4.15 4.07 3.87
MAX 4.28 4.12 2.90 3.99 4.20 --- 5.11 4.99 5.89 4.34 4.17 4.30
MIN 3.97 2.38 2.22 2.18 2.95 --- 3.91 3.96 4.05 3.97 3.98 3.69



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data