Station list     Available data
ILLINOIS RIVER BASIN


05577500                   SPRING CREEK AT SPRINGFIELD, IL



LOCATION.--Lat 39°48'57", long 89°41'57", in NW1/4NE1/4 sec.30, T.16 N., R.5 W., Sangamon County, Hydrologic Unit 07130008, on right bank at downstream side of bridge on State Highways 125 and 97 (Jefferson Street), 0.1 mi east of intersection of State Highway 4 (Veterans Parkway) and State Highways 125 and 97 (Jefferson Street), in Springfield, and at mile 8.2.

DRAINAGE AREA.--107 mi2.

PERIOD OF RECORD.--January to September 1948, December 1948 to current year.

GAGE.--Water-stage recorder and crest-stage gage. Datum of gage is 524.65 ft above sea level. Prior to Dec. 22, 1948, and Mar. 24, 1981, to Mar. 30, 1983, nonrecording gage at same site and datum.

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 .01 e.28 18    7.6 45  108  173  569  59  280    1.7   7.4  
2 .01 e.50 15    8.1 44  95  132  869  53  172    .99 6.4  
3 .01 e.68 13    6.7 38  86  162  577  49  125    .67 4.7  
4 e.01 e.64 8.1 23    36  80  297  329  49  101    15      4.2  
5 e.01 e2.3   7.4 25    36  71  272  254  77  81    13      3.3  
 
6 e.01 e1.0   6.0 33    33  64  227  226  57  60    3.1   2.3  
7 e.01 e.40 5.2 51    30  62  207  350  44  81    1.6   1.9  
8 e.01 e.22 4.7 226    28  235  184  414  63  52    1.0   1.5  
9 .02 e.12 6.0 211    28  643  147  257  299  36    1.1   1.2  
10 .37 e.25 10    122    41  517  117  215  275  31    .83 1.2  
 
11 .16 e.39 8.4 86    179  225  94  176  311  51    1.7   1.2  
12 .04 e.36 6.8 71    388  176  87  154  670  32    2.9   1.0  
13 1.9   e.39 5.7 55    260  182  134  136  595  24    3.2   .92
14 .21 e.39 5.3 50    179  213  223  105  289  21    3.5   1.8  
15 .04 e.38 5.0 56    139  177  214  92  252  18    4.2   10     
 
16 .07 e.36 4.9 44    137  155  198  96  289  16    6.4   4.4  
17 .04 .38 4.7 39    188  279  149  69  226  13    6.6   3.2  
18 .04 .30 5.1 35    280  680  112  62  299  12    339      3.0  
19 .04 .19 4.8 29    220  550  100  58  1330  11    81      2.6  
20 .03 .17 4.6 29    182  514  89  96  976  9.3 15      1.9  
 
21 .01 .50 4.5 30    154  699  80  67  388  7.4 9.5   1.5  
22 .01 .19 14    29    134  445  74  81  629  8.7 7.0   1.0  
23 e.01 .10 6.7 29    121  273  69  137  711  6.4 5.8   .78
24 e.29 .07 59    27    106  232  63  148  425  5.3 5.0   3.2  
25 e.19 .06 21    26    95  201  59  145  225  3.9 4.5   8.4  
 
26 e.45 .06 15    25    98  179  58  340  168  3.1 4.0   4.7  
27 e.18 3.0   11    28    170  161  49  218  127  2.4 3.8   2.7  
28 e.23 19      9.9 38    130  240  65  139  98  2.0 3.8   1.8  
29 e.16 2.0   9.8 54    ---  205  275  102  192  1.8 5.2   2.5  
30 e.10 150      8.7 52    ---  169  508  82  330  7.0 3.7   3.7  
 
31 e.22 ---      7.7 47    ---  175  ---  70  ---  2.9 4.0   ---     

TOTAL 4.89 184.68 316.0 1592.4 3519 8091 4618 6633 9555 1277.2 558.79 94.40
MEAN .16 6.16 10.2 51.4 126 261 154 214 319 41.2 18.0 3.15
MAX 1.9 150 59 226 388 699 508 869 1330 280 339 10
MIN .01 .06 4.5 6.7 28 62 49 58 44 1.8 .67 .78
CFSM .00 .06 .10 .48 1.17 2.44 1.44 2.00 2.98 .39 .17 .03
IN. .00 .06 .11 .55 1.22 2.81 1.61 2.31 3.32 .44 .19 .03

e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 1998, BY WATER YEAR (WY)
MEAN 22.7 29.5 57.1 58.1 83.1 113 131 127 95.6 44.3 27.4 21.5
MAX 244 225 523 282 281 374 605 617 418 358 292 296
(WY) 1960 1986 1983 1950 1975 1978 1957 1996 1990 1981 1981 1993
MIN .000 .000 .000 .000 .22 .23 .66 .052 8.05 1.38 .016 .000
(WY) 1954 1954 1954 1956 1954 1954 1954 1954 1953 1976 1953 1952

SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1948 - 1998
ANNUAL TOTAL 7107.80 36444.36
ANNUAL MEAN 19.5   99.8   68.1  
HIGHEST ANNUAL MEAN 156      1993
LOWEST ANNUAL MEAN 2.15 1954
HIGHEST DAILY MEAN 374          Feb 27 1330          Jun 19 5320      May 8 1996
LOWEST DAILY MEAN .00     Sep 14 - 16 .01     A .00 B
ANNUAL SEVEN-DAY MINIMUM .01     Oct 1 .01     Oct 1 .00 Sep 1 1949
INSTANTANEOUS PEAK FLOW 1670          Jun 19 10700      May 8 1996
INSTANTANEOUS PEAK STAGE 10.86     Jun 19 16.23 May 8 1996
INSTANTANEOUS LOW FLOW .01     A
ANNUAL RUNOFF (CFSM) .18 .93 .64
ANNUAL RUNOFF (INCHES) 2.47 12.67 8.65
10 PERCENT EXCEEDS 51      275      156     
50 PERCENT EXCEEDS 5.7   29      22     
90 PERCENT EXCEEDS .05 .24 .01
A - Several Days in Oct., but may have been less during periods of estimated discharges in Oct.
B - Many days in most years.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data