Station list     Available data
ILLINOIS RIVER BASIN


05551675       BLACKBERRY CREEK NEAR MONTGOMERY, IL



LOCATION.-- Lat 41°44'27", long 88°23'00", in NW1/4SE1/4 sec.25, T.38 N., R.7 E., Kane County, Hydrologic Unit 07120007, on right bank at bridge on Jericho Rd., 1.0 mi west of Montgomery, and at mile 13.0.

DRAINAGE AREA.-- 55.0 mi2.

PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: June 1998 to current year.
 

STAGE: Water years 1998-2001.
PRECIPITATION: October 1999 to current year.

GAGE.-- Water-stage recorder, phone telemeter, unheated tipping-bucket rain gage, and crest-stage gage. Datum of gage is 654.00 ft above sea level.

REMARKS.-- Collection, computation, and publication of precipitation data do not necessarily conform to standards used by the National Weather Service. Precipitation data could be subject to error for days with freezing and/or thawing of precipitation.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,040 ft3/s, Apr. 23, 1999, gage height, 8.61 ft; minimum, 2.9 ft3/s, Sept. 27, 1999.
PRECIPITATION: Maximum daily total, 2.17 in, April 20, 2000.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum measured, 1,170 ft3/s, Feb. 22, 1997, gage height unknown.

REMARKS FOR CURRENT YEAR.-- Records good except those for estimated daily discharges, which are poor.
DISCHARGE, IN CUBIC FEET PER SECOND, WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 14  e12  34  e15  e78  104  49  30  52  16    5.4 6.8
2 14  e13  32  e16  e70  91  49  29  78  14    5.2 6.4
3 14  e14  30  e18  e60  83  48  28  64  16    6.1 6.4
4 44  e14  30  e18  54  78  44  27  49  18    5.5 9.2
5 51  e14  28  e19  44  72  43  25  79  16    5.3 7.6
 
6 40  20  26  e19  41  65  57  25  162  13    5.2 7.2
7 29  86  e24  e19  37  64  62  28  104  13    4.5 17   
8 24  82  e23  e19  43  61  58  31  79  13    4.3 12   
9 21  116  19  e18  319  57  58  28  65  12    3.9 12   
10 20  207  e19  e17  e500  54  55  26  54  12    4.4 19   
 
11 19  141  16  e16  310  56  53  33  47  11    4.4 13   
12 20  98  17  e16  173  58  83  34  46  9.6 4.2 10   
13 17  80  e20  e17  132  70  75  29  45  9.4 4.0 8.1
14 17  67  e19  e19  132  66  60  37  38  8.5 3.4 7.1
15 17  57  e19  e21  153  78  62  27  38  8.9 3.5 6.1
 
16 16  52  e18  e24  133  125  69  26  37  8.2 6.6 6.0
17 16  48  e18  e27  107  111  61  24  e35  7.6 6.9 6.3
18 15  44  e17  e24  91  110  54  22  e32  7.7 5.5 7.8
19 e15  42  e16  e20  81  96  46  20  29  7.5 7.6 116   
20 e15  40  e16  e17  80  86  46  19  27  7.1 6.4 85   
 
21 e16  e37  e16  e15  76  77  47  21  27  7.0 5.0 77   
22 e16  e35  e15  e14  68  73  47  23  28  7.2 5.0 58   
23 e15  e32  e15  e14  64  69  45  23  28  10    6.1 49   
24 e16  31  e15  e13  99  64  45  22  26  11    5.7 66   
25 e17  31  e15  e13  e330  58  42  22  23  14    7.6 50   
 
26 e16  37  e15  e13  e270  54  38  28  22  12    13    37   
27 e15  39  e14  e13  170  54  36  37  19  9.1 7.4 30   
28 e14  36  e14  e13  124  54  34  35  17  8.0 6.0 25   
29 e14  35  e14  e17  ---  54  32  31  17  8.9 5.4 23   
30 e14  36  e14  e30  ---  53  31  e29  16  7.4 5.4 21   
 
31 e13  ---  e14  e82  ---  51  ---  36  ---  5.9 11    ---   

TOTAL 604 1596 602 616 3839 2246 1529 855 1383 329.0 179.9 805.0
MEAN 19.5 53.2 19.4 19.9 137 72.5 51.0 27.6 46.1 10.6 5.80 26.8
MAX 51 207 34 82 500 125 83 37 162 18 13 116
MIN 13 12 14 13 37 51 31 19 16 5.9 3.4 6.0
CFSM .35 .97 .35 .36 2.49 1.32 .93 .50 .84 .19 .11 .49
IN. .41 1.08 .41 .42 2.60 1.52 1.03 .58 .94 .22 .12 .54
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2001, BY WATER YEAR (WY)
MEAN 39.4 38.2 25.8 47.2 80.7 52.0 84.7 48.9 58.5 45.3 21.5 18.5
MAX 82.2 53.2 38.1 106 137 72.5 156 84.6 73.4 90.8 35.4 26.8
(WY) 1999 2001 1999 1999 2001 2001 1999 1999 1999 1998 2000 2001
MIN 16.6 11.5 19.4 15.2 30.3 23.9 46.6 27.6 46.1 10.6 5.80 12.6
(WY) 2000 2000 2001 2000 2000 2000 2000 2001 2001 2001 2001 1999

SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1998 - 2001
ANNUAL TOTAL 12414.1   14583.9      
ANNUAL MEAN 33.9   40.0      
HIGHEST ANNUAL MEAN 64.6   1999
LOWEST ANNUAL MEAN 30.3   2000
HIGHEST DAILY MEAN 255          Apr 21 500      A     Feb 10 760      Apr 24 1999
LOWEST DAILY MEAN 8.1       Sep 6 3.4           Aug 14 3.4   Aug 14 2001
ANNUAL SEVEN-DAY MINIMUM 8.7       Sep 4 4.0           Aug 9 4.0   Aug 9 2001
MAXIMUM PEAK FLOW 580      A     Feb 10 1040      Apr 23 1999
MAXIMUM PEAK STAGE 7.58         Feb 10 8.61 Apr 23 1999
INSTANTANEOUS LOW FLOW 3.1           Aug 14 2.9   Sep 27 1999
ANNUAL RUNOFF (CFSM) .62 .73    
ANNUAL RUNOFF (INCHES) 8.40 9.87    
10 PERCENT EXCEEDS 69      80         
50 PERCENT EXCEEDS 23      24         
90 PERCENT EXCEEDS 13      7.2      

A- Estimated due to backwater from ice.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data