Station list     Available data
ILLINOIS RIVER BASIN


05552500       FOX RIVER AT DAYTON, IL

 

LOCATION.-- Lat 41°23'04", long 88°47'21" (NAD of 1927), in SW1/4SE1/4 sec.29, T.34 N., R.4 E., La Salle County, Hydrologic Unit 07120007, on left bank under County Highway 18 bridge in Dayton, and at mile 5.2.
 

DRAINAGE AREA.-- 2,642 mi2.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: November 1914 to current year. Prior to April 1925, published as "at Wedron." Monthly discharge only for some periods, published in WSP 1308.
 

STAGE: Water years 1994 to current year.

SURFACE-WATER QUALITY
 

CHEMICAL: Water years 1978-92 and 1996.
 

MISCELLANEOUS: Sediment concentration and particle size, water years 1996-97, 2003.
 

REVISED RECORDS.-- WSP 730: 1931. WSP 1208: 1930, 1935, 1939. WSP 1308: 1916(M), 1922(M), 1926-31(M), 1934-40(M), 1946-47(M). WDR IL-75-1: Drainage area. WDR IL-76-1: 1969.
 

GAGE.-- Water-stage recorder, phone telemeter, U.S. Army Corps of Engineers satellite telemeter, automatic sediment sampler, and crest-stage gage. Datum of gage is 462.30 ft above NGVD of 1929. Prior to Apr. 13, 1925, nonrecording gage at site 4.1 mi upstream at datum 496.80 ft above Memphis datum. Apr. 13, 1925, to Sept. 30, 1942, nonrecording gage at site 1,000 ft upstream at datum 7.70 ft below NGVD of 1929. Oct. 1, 1942, to Apr. 10, 1951, nonrecording gage, and Apr. 11, 1951, to Sept. 30, 1978, water-stage recorder, at site 1.000 ft upstream at same datum. Oct. 1, 1978 to June 11, 1997, water-stage recorder at site 500 ft upstream at same datum.
 

REMARKS.-- Regulation by hydropower plant upstream from gage.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 55,400 ft3/s, July 19, 1996, gage height, 24.47 ft, from rating curve extended above 43,000 ft3/s; affected by dam failure 500 ft upstream from gage then in use. Maximum gage height, 36.47 ft, Jan. 25, 1960, ice jam; minimum daily discharge, 1.0 ft3/s, Aug. 29, 1934, when turbines were shut down; minimum daily with plant operating, 78 ft3/s, Oct. 29, 1956.
 

REMARKS FOR CURRENT YEAR.-- Records fair except those for estimated daily discharges, which are poor.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 565  686  658  818  e540  e430  1090  1750  1510  637  892  360 
2 567  636  640  1160  e540  e430  1040  4250  1520  617  1310  430 
3 678  595  720  1320  e540  e440  1050  3290  1430  599  1440  378 
4 1120  616  554  903  e540  e440  1280  2540  1380  570  1460  295 
5 1480  654  657  629  e540  e450  1910  3150  1350  603  1310  267 
 
6 1400  702  482  586  e540  e450  2030  4270  1290  706  1170  237 
7 1280  695  547  589  e540  e440  1770  3740  1200  909  1150  240 
8 1180  664  773  563  e540  e440  1750  3440  1230  983  1100  239 
9 1070  638  511  541  e540  e450  1520  4860  1450  1300  905  e230 
10 924  612  618  562  e550  e450  1360  5640  1320  1550  842  225 
 
11 847  607  772  e640  e550  e450  1330  5620  1250  1460  785  232 
12 738  654  748  e520  e550  e450  1200  6260  1170  1260  722  242 
13 727  684  655  e560  e550  e480  1200  4880  1270  1230  669  215 
14 702  675  614  e610  e550  e480  1190  4130  1220  1140  668  216 
15 668  664  589  e640  e540  e470  1110  3990  1160  1430  647  379 
 
16 646  700  602  e650  e540  e500  996  3850  1110  2030  631  354 
17 642  725  566  e640  e520  e580  996  3380  1050  1780  509  305 
18 654  719  610  e630  e500  724  1290  3080  1050  2800  433  335 
19 624  802  742  e620  e470  752  1230  2840  1180  2030  422  302 
20 592  1000  689  e630  e430  849  1080  2690  1240  1720  397  266 
 
21 604  1810  606  e630  e390  854  931  2440  1400  1720  376  241 
22 614  1700  538  e640  e380  858  736  2200  1070  1670  315  252 
23 614  1750  483  e640  e420  966  821  2080  825  1340  398  279 
24 624  1260  475  e610  e430  1000  880  1680  731  1150  388  259 
25 669  1260  440  e580  e430  971  867  1470  698  998  298  253 
 
26 722  1250  532  e570  e430  1010  861  1410  677  885  e280  295 
27 746  1150  546  e560  e430  1050  843  1360  685  768  e310  364 
28 882  1080  688  e570  e430  1060  684  1330  656  1120  366  469 
29 898  897  680  e580  ---  1160  507  1310  673  1110  e290  368 
30 835  692  811  e540  ---  1170  569  1220  663  950  e300  318 
 
31 718  ---  762  e520  ---  1140  ---  1360  ---  811  308  --- 

TOTAL 25030 26577 19308 20251 13950 21394 34121 95510 33458 37876 21091 8845
MEAN 807 886 623 653 498 690 1137 3081 1115 1222 680 295
MAX 1480 1810 811 1320 550 1170 2030 6260 1520 2800 1460 469
MIN 565 595 440 520 380 430 507 1220 656 570 280 215
CFSM 0.31 0.34 0.24 0.25 0.19 0.26 0.43 1.17 0.42 0.46 0.26 0.11
IN. 0.35 0.37 0.27 0.29 0.20 0.30 0.48 1.34 0.47 0.53 0.30 0.12
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1915 - 2003, BY WATER YEAR (WY)
MEAN 1143 1479 1476 1465 2061 3247 3260 2457 1961 1266 934 972
MAX 5239 5444 7695 4941 5649 11290 9157 7575 6189 5988 4909 5141
(WY) 1955 1986 1983 1960 2001 1979 1979 1974 1996 1996 1924 1972
MIN 141 329 364 335 338 412 418 217 267 174 153 186
(WY) 1957 1954 1940 1940 1934 1934 1934 1934 1934 1934 1934 1946

SUMMARY STATISTICS FOR 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 1915 - 2003
ANNUAL TOTAL 647828      357411         
ANNUAL MEAN 1775      979          1808         
HIGHEST ANNUAL MEAN 3940          1993
LOWEST ANNUAL MEAN 330          1934
HIGHEST DAILY MEAN 14700          Jun 5 6260              May 12 46600          Jul 19 1996
LOWEST DAILY MEAN 351          Aug 12 215              Sep 13 1.0   A Aug 29 1934
ANNUAL SEVEN-DAY MINIMUM 433          Jul 22 228              Sep 8 120          Oct 8 1956
MAXIMUM PEAK FLOW 6840              May 12 55400      B Jul 19 1996
MAXIMUM PEAK STAGE 10.05         May 12 36.47 C Jan 25 1960
INSTANTANEOUS LOW FLOW 34      D     Dec 27
ANNUAL RUNOFF (CFSM) 0.67 0.37     0.68    
ANNUAL RUNOFF (INCHES) 9.12 5.03     9.30    
10 PERCENT EXCEEDS 3710      1690          4100         
50 PERCENT EXCEEDS 1180      686          1180         
90 PERCENT EXCEEDS 556      379          378         

A - When turbines were shut down; lowest daily mean with plant operating, 78 ft3/s, Oct. 29, 1956.

B - Gage height, 24.47 ft, from rating curve extended above 43,000 ft3/s, affected by dam failure 500 ft. upstream from gage then in use.

C - Ice jam.

D - Result of freezeup or regulation by hydropower plant. May have been less during periods of intermittent missing record; Aug. 22-30, Sept. 8-12, and 18-20.


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data