Station list     Available data
ILLINOIS RIVER BASIN


05530990                   SALT CREEK AT ROLLING MEADOWS, IL



LOCATION.--Lat 42°03'37", long 88°00'59", in SW1/4NW1/4 sec.8, T.41 N., R.11 E., Cook County, Hydrologic Unit 07120004, on left bank at upstream side of bridge on Algonquin Road in Rolling Meadows, 0.25 mi downstream from Arlington Heights Branch Salt Creek, and at mile 35.6.

DRAINAGE AREA.--30.5 mi2.

PERIOD OF RECORD.--October 1973 to current year. August 1950 to September 1971, October 1971 to September 1972 (annual maximum discharge and gage height only), October 1972 to September 1973 at site 0.9 mi downstream, published as Salt Creek near Arlington Heights. Records may not be equivalent.

REVISED RECORDS.--WDR IL-75-1: Drainage area. WDR IL-93-2: 1992.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 686.40 ft above sea level (Cook County Highway Department bench mark).

REMARKS.--Records fair except those for estimated daily discharges, which are poor. Gage-height telemeter at station.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 e.55 e9.0 10    8.3 57  28  127  19    11      e20      e.70 e.55
2 e.55 e7.4 8.1 27    102  22  89  15    17      e11      e.80 e.70
3 e.55 e9.0 11    96    70  22  63  12    16      e20      e.90 e.74
4 e.99 e11    9.8 172    51  26  47  10    16      e35      e3.7   e.74
5 e.75 2.1 7.6 166    39  23  33  18    36      e25      e35      e.74
 
6 e.62 8.4 6.3 143    32  22  28  32    33      e18      e50      e.78
7 e.64 4.4 5.5 148    29  21  44  396    33      e29      e42      e115     
8 e.64 3.3 5.2 105    27  111  236  386    66      e20      e48      e50     
9 e2.8   2.9 6.0 102    24  125  190  115    99      e15      e36      e25     
10 e1.9   3.4 24    69    21  77  86  66    82      e11      e44      e16     
 
11 e1.3   3.3 29    55    89  67  58  53    134      e8.0   e35      e10     
12 e1.2   6.4 17    41    109  46  43  30    95      e6.0   e28      e7.0  
13 e31      3.7 11    e30    64  39  35  41    120      e4.5   e15      e5.2  
14 e28      3.3 9.4 e20    46  35  41  20    29      e3.7   e9.0   e5.0  
15 e20      11    9.1 e21    37  31  45  22    4.0   e3.1   e8.0   e39     
 
16 e15      10    10    e19    51  31  163  12    1.5   e2.5   e6.0   e28     
17 e12      7.5 11    e18    97  76  86  5.5 .94 e2.0   e5.2   e18     
18 e10      6.9 11    e16    97  298  54  13    e62      e10      e4.5   e13     
19 e9.0   7.2 12    e15    61  182  39  4.0 e66      e23      e3.8   e8.8  
20 e7.8   8.0 11    14    47  90  55  2.7 e40      e15      e3.5   e7.2  
 
21 e6.4   13    9.7 14    37  69  127  2.8 e30      e10      e3.0   e8.8  
22 e7.4   14    10    15    30  58  77  3.0 e20      e1.1   e45      e70     
23 e9.0   14    10    18    26  45  51  2.8 e15      e1.1   e33      e5.6  
24 e32      12    12    17    28  29  34  10    e9.0   e1.0   e56      e5.2  
25 e35      11    37    16    24  25  24  3.3 e7.4   e.92 e77      e4.8  
 
26 e70      12    28    17    22  27  47  3.4 e55      e.86 e12      e4.0  
27 e92      29    17    19    31  20  34  3.9 e17      e.79 e.64 e3.8  
28 e35      12    12    e21    31  23  23  8.0 e66      e.70 e.83 e3.6  
29 e20      17    12    e25    ---  17  27  17    e45      e.69 e.66 e3.3  
30 e10      18    11    e30    ---  15  27  11    e30      e.68 e.56 e4.5  
 
31 e9.0   ---    8.4 36    ---  117  ---  11    ---      e.66 e.55 ---     

TOTAL 471.09 280.2 391.1 1513.3 1379 1817 2033 1348.4 1255.84 300.30 608.34 465.05
MEAN 15.2 9.34 12.6 48.8 49.3 58.6 67.8 43.5 41.9 9.69 19.6 15.5
MAX 92 29 37 172 109 298 236 396 134 35 77 115
MIN .55 2.1 5.2 8.3 21 15 23 2.7 .94 .66 .55 .55
CFSM .50 .31 .41 1.60 1.61 1.92 2.22 1.43 1.37 .32 .64 .51
IN. .57 .34 .48 1.85 1.68 2.22 2.48 1.64 1.53 .37 .74 .57

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 1998, BY WATER YEAR (WY)
MEAN 15.2 30.4 29.8 24.2 33.8 53.4 57.8 43.2 26.5 19.3 27.6 17.6
MAX 49.5 120 107 79.4 113 202 136 148 87.6 83.6 136 58.9
(WY) 1987 1986 1983 1974 1997 1979 1983 1996 1996 1993 1987 1986
MIN 2.42 2.32 .62 .13 2.43 13.1 9.73 7.33 3.15 3.00 2.56 1.63
(WY) 1980 1977 1977 1977 1978 1996 1989 1977 1988 1979 1986 1974

SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1974 - 1998
ANNUAL TOTAL 10825.20 11862.62    
ANNUAL MEAN 29.7   32.5       31.5  
HIGHEST ANNUAL MEAN 52.1   1993
LOWEST ANNUAL MEAN 9.25 1977
HIGHEST DAILY MEAN 1090          Feb 21 396              May 7 1180      Aug 14 1987
LOWEST DAILY MEAN .55     Oct 1-3 A .55         B .00 C
ANNUAL SEVEN-DAY MINIMUM .66     Oct 1 .64         Aug 27 .00 Jan 12 1977
INSTANTANEOUS PEAK FLOW 668              May 7 1650      Aug 14 1987
INSTANTANEOUS PEAK STAGE 7.03         May 7 14.03 Aug 14 1987
INSTANTANEOUS LOW FLOW .64 D     Jun 17
ANNUAL RUNOFF (CFSM) .97 1.07     1.03
ANNUAL RUNOFF (INCHES) 13.20 14.47     14.05
10 PERCENT EXCEEDS 64      79          73     
50 PERCENT EXCEEDS 13      17          13     
90 PERCENT EXCEEDS 1.9   1.7       1.8  
A - Estimated, but may have been less during period of estimated discharges Sept. 6 - Nov. 4.
B - Oct. 1-3, Aug. 31 and Sept. 1, estimated, but may have been less during periods of estimated discharges Oct. 1 - Nov. 4 and June 18 - Sept. 30.
C - Jan. 12 to Feb. 8, 1977, result of freeze up; and Aug. 20, 25, 1986.
D - May have been less during periods of estimated discharges, Oct. 1 - Nov. 4 and June 18 - Sept. 30.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data