Station list     Available data
UPPER MISSISSIPPI RIVER BASIN


05587455                               MISSISSIPPI RIVER BELOW GRAFTON, IL



LOCATION.--Lat 38°57'04", long 90°22'16", in sec.24, T.6 N., R.11 W., Jersey County, Hydrologic Unit 07110009, 11.3 mi above Lock and Dam 26, 19.0 mi above mouth of Missouri River, and at mile 214.6 upstream from the mouth of the Ohio River.

DRAINAGE AREA.--171,300 mi2, approximately.

PERIOD OF RECORD.--March 1989 to current year. National stream-quality accounting network station 1989 to 1994.

REMARKS.--Established ambient water-quality monitoring network station November 1992. Sediment records fair.

PERIOD OF DAILY RECORD.--
SUSPENDED-SEDIMENT: October 1989 to current year.

EXTREMES FOR PERIOD OF DAILY RECORD.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 1,910 mg/L, May 23, 1990; minimum daily mean, 1 mg/L, Sept. 10, 1991.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 1,090,000 tons, May 23, 1990; minimum daily, 186 tons, Sept. 10, 1991.

EXTREMES FOR CURRENT YEAR.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 598 mg/L, Jan. 26; minimum daily mean, 48 mg/L, Dec. 5.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 327,000 tons, June 16; minimum daily, 5,080 tons, Dec. 26.
SEDIMENT DISCHARGE, SUSPENDED (TONS/DAY), WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999
MEANMEANMEAN
MEANCONCEN-SEDIMENTMEANCONCEN-SEDIMENTMEANCONCEN-SEDIMENT
DISCHARGETRATIONDISCHARGEDISCHARGETRATIONDISCHARGEDISCHARGETRATIONDISCHARGE
DAY(CFS)(mg/L)(TONS/DAY)(CFS)(mg/L)(TONS/DAY)(CFS)(mg/L)(TONS/DAY)
 
OCTOBERNOVEMBERDECEMBER



154800104140008950011527800862006815800
26140093154009910021057100874005412800
3668008515300149000281114000851005412400
46570012121100183000313155000869006615400
56880018033700175000358168000867004811200
 
610600020562000129000304107000855005111700
71200003601160009360019248500986007721200
89820035896500880001473490013100011440300
96380019038300912001233030011900011637100
10850001743970010200013839000878009923600
 
117410015230400152000317132000859006314500
126060011218200168000345157000932006516400
136000011819200158000345147000904006616200
14673001001850014400023591400916006816700
1564000941740012800022477400900005914200
 
16614001201990011400020061700872005713400
1762000921700010700016447300870005312500
1875000992170010900015144400826005712600
1913000043412400010700014341400833006213900
2017300043120100010500013137200816006514400
 
2118500039119500010100011832000799007115200
221720002591200009760011129300586007211300
231510002471000009470010125900666005910600
241280002468460090500822000048800648390
251090002447210094200781980038700606290
 
26926001493740090400801950033900555080
27881001433410090100801960046100506160
28897001573810090000751810044600526300
29888001112660089500671630037800676810
30903001313200089700701700037000666620
 
318970016640200---------38400626460

 
JANUARYFEBRUARYMARCH



14900068896018300038218800011000010431300
258200761200017500039418700012000011537200
366300851530015700031613400011700012639600
475400961950015500028211800011900015449500
5777001072170016400026611800012200015049200
 
6897001172840016000026911600012400012642100
7858001092520017600040819500012700014248600
885400992280020800050028300012000017657400
982400912030019900058531600012700017058100
1084800902060017000038317600012200016253400
 
1186100902080015200032813400011900014747000
1283100881970015000033413600012000013343100
1384100861950016400028312500012600013445400
148280084187001750002109890013200014050000
1585300821890017100022910600011800013743600
 
1687800801900016800024111000011600012639500
178520077177001610001928340011500012538900
188280075167001590001988480011400013742300
198070076166001620001717500013100014651900
207720083174001620001767690013900020175500
 
217600096196001520001807370013300024488000
2293100198530001450001606240012400023478300
231600004251870001430001485700012700024885400
241750004792270001350001184320013700021278200
251630005912580001210001033350013600017965700
 
261580005982540001210001254090012900018965800
271520005092090001210001193890012500017057200
281440004361690001150001103430012400014247700
29152000302123000---------12200011838700
30157000298126000---------11600011135000
 
31168000384174000---------11600010533000

 
APRILMAYJUNE



110800011533500280000206155000271000194142000
210900011333300286000194150000271000197144000
311100010531500294000174138000270000199145000
411300011133900296000157125000262000212150000
511100011233500289000156122000255000209144000
 
611600010633600271000190139000254000208143000
712300012040100259000252176000252000210143000
813200014150300252000251170000251000225152000
912600018462900247000204136000253000250171000
10174000336162000244000213140000252000255173000
 
11193000476248000237000188120000249000262176000
12193000353184000231000165103000246000284188000
1320400036320000022600015997100243000283186000
1420700040422600022500016198000242000312204000
15214000414239000222000175105000242000412269000
 
16226000447273000221000187111000243000497327000
17239000456295000225000176107000244000398263000
18236000378241000232000245154000245000364241000
19246000322214000238000328210000244000314207000
20254000298204000244000308202000242000293191000
 
21254000270185000246000266177000240000262170000
22256000237164000248000250168000237000243156000
23261000239169000255000269185000232000235147000
24265000226162000258000294205000227000209128000
25260000247174000258000205142000223000204123000
 
26259000319223000259000198138000218000200118000
27261000312220000262000225159000213000183105000
2826000026318500026400021115000020500017697600
2926400021915600026700022516200020000015684300
3027200020014700027100020214800019700015984800
 
31---------272000193142000---------

 
JULYAUGUSTSEPTEMBER



1203000205113000205000192106000897009422800
2199000401216000212000191109000885008520400
318700034817600020800017195900843008419100
418500020610300019700017090200778008517800
51770001677970018000016077400724008516600
 
61790001607730016000013859700719008215800
71830001648100014700013754100655007212700
81820001487260014200013350600730006813200
91810001467120013700012847400695007614300
101800001627870012500011839600617007111900
 
111720001637540011400011836000588007011200
121640001627140011100013740800530007110200
131540001586560010100016444800595007111400
141470001465780010300016345200571007111000
15135000138504009870013636300623007011800
 
16127000135464009830011229600580007311400
17121000134438009670012632800624008013600
18118000133423009510011830300606007312000
19122000138454008860011627700643008013800
20120000138444008040010923700505009312800
 
2112600013546000844008820200621009315500
22129000132460008390011025000512009312900
23128000129445008610012228300529009113100
24121000138451008800010925900542007811400
2513000015654900913009122500540008011600
 
26143000146565009240010325700523009213000
27154000132546009400010125500547008112000
2816700012757200942009524300568009414900
2917900014871700963008221400653009817100
3018900017187100950008020400774008016800
 
3119500018296300931007819700---------


Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data