Station list     Available data
ILLINOIS RIVER BASIN


05579500       LAKE FORK NEAR CORNLAND, IL

 

LOCATION.-- Lat 39°57'05", long 89°23'01" (NAD of 1927), in NW1/4 SW1/4 sec.1, T.17 N., R.3 W., Logan County, Hydrologic Unit 07130009, on right bank at downstream side of bridge on State Highway 54, 100 ft upstream from a railroad bridge, 2.0 mi northeast of Cornland, 8 mi downstream from Jones Fork, and at mile 12.9.

 

DRAINAGE AREA.-- 214 mi2.

 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

 

DISCHARGE: January 1948 to current year.

 

STAGE: Water years 1994-2002.

SURFACE-WATER QUALITY

 

CHEMICAL: Water years 1978-91.

 

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

 

GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 555.06 ft above NGVD of 1929. Prior to Sept. 6, 1973, nonrecording gage at same site and datum.

 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 8,930 ft3/s, Apr. 12, 1979, gage height, 23.11 ft; minimum, 0.30 ft3/s, Sept. 16, 1988.

 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Flood in May 1943 reached a stage of 23.4 ft, from floodmarks, discharge 29,000 ft3/s, by contracted-opening measurement of peak flow.

 

REMARKS FOR CURRENT YEAR.-- Records fair except those for Nov. 25 to Sept. 30 and estimated daily discharges, which are poor.

DISCHARGE, in CFS, WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002
DAILY MEAN VALUES
DAYOCTNOVDECJANFEBMARAPRMAYJUNJULAUGSEP
 
15.973 313 e110 1350 338 223 1190 280 142 60 73 
26.368 237 e100 953 425 221 1030 270 131 48 61 
37.059 196 e100 749 794 194 897 252 122 39 51 
46.054 167 e110 656 638 176 790 224 113 32 43 
59.051 146 113 549 524 171 713 401 103 27 39 
 
610   51 131 107 487 556 168 667 476 94 23 31 
78.747 121 97 429 583 168 1070 375 86 21 29 
88.146 112 93 381 521 212 798 310 78 19 26 
97.142 100 98 349 622 319 1100 276 73 17 23 
108.541 96 85 314 821 275 965 282 66 16 21 
 
1110   40 90 75 302 603 259 1170 606 60 15 20 
1224   36 91 76 300 537 241 2730 1780 56 15 18 
1368   35 98 77 263 475 218 4550 2020 53 16 18 
1499   34 108 76 244 438 211 4440 1910 47 17 17 
1589   33 162 70 230 362 203 2860 1370 41 17 17 
 
16110   32 216 63 216 331 185 1660 e1000 37 50 17 
17126   30 433 64 193 307 174 1430 e700 34 78 17 
1889   29 554 60 179 286 167 1360 e500 31 35 17 
1964   31 437 62 305 265 185 e1000 e400 29 45 16 
2045   30 341 61 1150 260 366 e800 333 27 44 18 
 
2131   29 299 62 1010 241 1120 e600 317 25 32 16 
2222   29 290 56 742 225 1140 e500 290 23 26 16 
2320   29 277 57 652 224 802 447 265 31 1200 16 
2447   42 253 57 578 216 1320 441 242 22 1510 15 
25230   59 229 51 511 215 1590 388 224 20 686 e13 
 
26200   47 212 51 461 207 993 350 216 24 417 e12 
27143   43 203 51 401 205 1540 320 204 1260 308 e11 
28113   40 189 52 370 296 2470 310 183 254 255 11 
2996   44 167 52 --- 303 2440 304 168 132 170 11 
3084   197 152 66 --- 263 1580 310 154 87 140 11 
 
3176   --- e130 848 --- 234 --- 323 --- 67 101 --- 

TOTAL1862.6142165503100143241231519331355131602833685479704
MEAN60.0847.37211.3100.0511.6397.3644.41146534.3108.6176.723.47
MAX23019755484813508212470455020201260151073
MIN5.9299051179205167304154201511
CFSM0.280.220.990.472.391.863.015.352.500.510.830.11
IN.0.320.251.140.542.492.143.366.172.790.590.950.12

e Estimated

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2002, BY WATER YEAR (WY)
MEAN62.9478.90142.8149.0221.5267.2293.0306.0244.8132.174.6441.50
MAX680100912609887121116101611461099772887546
(WY)197819861983195019591979197920021974198119811993
MIN2.022.062.464.015.026.5616.77.2717.07.203.301.57
(WY)195519551964197719631954195419541963195420011954

SUMMARY STATISTICSFOR 2001 CALENDAR YEARFOR 2002 WATER YEARWATER YEARS 1948 - 2002
ANNUAL TOTAL58869.4  119995.6  
ANNUAL MEAN161.3  328.8  167.7  
HIGHEST ANNUAL MEAN372     1993
LOWEST ANNUAL MEAN8.891954
HIGHEST DAILY MEAN2110         Jan 314550         May 137000     Dec 4 1982
LOWEST DAILY MEAN1.1      Aug 155.9      Oct 10.77Sep 16 1988
ANNUAL SEVEN-DAY MINIMUM1.3      Aug 117.6      Oct 10.96Sep 7 1988
MAXIMUM PEAK FLOW4900         May 138930     Apr 12 1979
MAXIMUM PEAK STAGE20.37    May 1323.11Apr 12 1979
INSTANTANEOUS LOW FLOW5.4      Oct 3,40.30Sep 16 1988
ANNUAL RUNOFF (CFSM)0.751.540.78
ANNUAL RUNOFF (INCHES)10.2320.8610.65
10 PERCENT EXCEEDS433     868     406     
50 PERCENT EXCEEDS68     152     62     
90 PERCENT EXCEEDS6.1  18     6.8  



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data