Station list     Available data
UPPER MISSISSIPPI RIVER BASIN


05420500       MISSISSIPPI RIVER AT CLINTON, IA

(National Stream-Quality Accounting Network Station)


LOCATION.-- Lat 41°46'50", long 90°15'07", in NW1/4 sec.34, T.81 N., R.6 E., Clinton County, Hydrologic Unit 07080101, on right bank at end of Eighth Avenue in Camanche, 5.0 mi upstream from Wapsipinicon River, 6.4 mi downstream from Clinton, 10.6 mi downstream from Lock and Dam 13, and at mile 511.8 upstream from Ohio River.

DRAINAGE AREA.-- 85,600 mi2, approximately, at Fulton-Lyons Bridge at Clinton.

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

DISCHARGE: June to August 1873 (fragmentary), October 1873 to current year (October 1932 to September 1939, published as "at Le Claire")(June 1873 to December 1932 published in the Iowa State Planning Board report "Stream-flow records of Iowa, 1873-1932").
SURFACE-WATER QUALITY
 

CHEMICAL: October 1974 to September 1987, October 1994 to current.
 

SEDIMENT: October 1994 to September 30, 1997 (discontinued).
 

SPECIFIC CONDUCTANCE: July 1975 to September 1976; sporadic measurements February 1977 to September 1981; October 1994 to September 30, 1997 (discontinued).
 

WATER TEMPERATURE: July 1975 to April 1989; January 1995 to September 30, 1997 (discontinued).
 

MISCELLANEOUS: Periodic observations.

REVISED RECORDS.-- WDR IA-75-1: 1974.

GAGE.-- Water-stage recorder, U.S. Army Corps of Engineers satellite telemeter and rain gage. Datum of gage is 562.68 ft above sea level. June 6, 1969 to Sept. 16, 1988, water-stage recorder at site 400 ft. upstream at same datum. Auxiliary water-stage recorder at Lock and Dam 13 since Oct. 1, 1958. See WSP 1728 for history of changes prior to Oct. 1, 1955.

REMARKS.-- Minor flow regulation caused by navigation dams. During periods of ice effect, sediment samples are collected in open water channel. Records of specific conductance are obtained from suspended-sediment samples at time of analysis.

EXTREMES FOR PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum daily discharge, 307,000 ft3/s, discharge affected by regulation or diversion, April 28, 1965, gage height, 24.65 ft; minimum daily discharge, 6,500 ft3/s, December 25, 1933.

EXTREMES OUTSIDE PERIOD OF RECORD.--
SURFACE-WATER DISCHARGE AND STAGE: Maximum stage known since at least 1828, that of Apr. 28, 1965.
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 294 mg/L; Apr. 7, 1997; minimum daily mean, 1 mg/L several days in December 1995 - January 1996.
SUSPENDED-SEDIMENT LOADS: Maximum daily, 108,000 tons, Apr. 7, 1997; minimum daily, 96 tons, Jan. 9, 1996.
SPECIFIC CONDUCTANCE: Maximum daily 560 microsiemens Nov. 24 to Dec. 3, 1979; minimum daily 220 microsiemens Apr . 19, 20, 1976, Nov. 8-18, 1980.
WATER TEMPERATURE: Maximum daily 31.5°C July 21-23, 1983; minimum daily 0.0°C on many days during winter periods.

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 26600  24900  38200  e28000  e40000  40500  50300  235000  110000  132000  38200  26200 
2 26300  26300  39500  e29000  e39000  34900  51900  236000  114000  130000  36400  25200 
3 24700  32400  37300  e31000  e36000  33200  53600  238000  118000  119000  39600  26000 
4 23700  36200  35700  e32000  e35000  31200  56000  241000  120000  118000  47000  29900 
5 23900  37200  30600  e32000  e34000  32300  57600  242000  119000  110000  47600  30500 
 
6 24800  35800  24000  e30000  e33000  32900  66000  244000  119000  102000  51600  28800 
7 24900  38300  19900  e31000  e32000  33600  73200  246000  118000  99900  52500  27200 
8 23800  38500  19100  e30000  e32000  33200  79500  245000  117000  92900  54500  29100 
9 21200  45000  19500  e30000  e36000  32800  89600  242000  114000  87100  55700  34700 
10 18300  51700  18400  e30000  54800  32800  95700  238000  111000  76200  55600  40400 
 
11 17700  48900  e18000  e31000  50800  32000  101000  232000  107000  67900  51200  45200 
12 19800  46400  e17000  e31000  46000  34300  112000  222000  101000  58800  38900  46100 
13 23600  46700  e20000  e31000  43500  38900  128000  217000  103000  49700  28800  45400 
14 28100  46400  e23000  e32000  42800  42400  137000  209000  97100  46500  23800  44600 
15 30200  44800  e25000  e31000  41500  42700  150000  200000  98800  41000  23900  40000 
 
16 32200  47600  e23000  e30000  41400  45000  169000  191000  98300  35900  26000  34700 
17 30700  48600  e24000  e31000  41500  45500  186000  183000  96400  36800  31300  30200 
18 23700  50600  e26000  e33000  39500  44300  202000  175000  95600  37000  29300  28400 
19 16800  51000  e26000  e32000  38000  44300  216000  168000  104000  38700  29700  28700 
20 e15500  48400  e27000  e32000  35600  44300  231000  160000  109000  40000  31200  37200 
 
21 22700  43200  e27000  e33000  33900  44300  249000  156000  116000  43800  30200  39300 
22 27700  42400  e28000  e33000  33300  46000  263000  150000  121000  44400  28600  41100 
23 29000  41300  e28000  e32000  33000  48300  268000  142000  123000  45800  32800  37300 
24 25600  38700  e28000  e30000  34000  52200  261000  133000  123000  47400  34500  38000 
25 24400  37600  e27000  e28000  41000  53100  258000  126000  124000  46800  35900  37400 
 
26 26800  38700  e27000  e27000  49100  51100  253000  121000  127000  44800  33000  38900 
27 30600  37200  e28000  e27000  47400  47700  249000  115000  128000  44800  32900  39100 
28 31500  34300  e28000  e26000  44400  45800  244000  111000  129000  43600  34100  38000 
29 29200  34000  e29000  e28000  ---  45000  239000  108000  130000  42500  37000  34800 
30 27800  35300  e29000  e31000  ---  44200  236000  107000  132000  42300  30500  31300 
 
31 24600  ---  e28000  e36000  ---  47100  ---  107000  ---  42100  26000  --- 

TOTAL 776400 1228400 818200 948000 1108500 1275900 4825400 5740000 3423200 2007700 1148300 1053700
MEAN 25050 40950 26390 30580 39590 41160 160800 185200 114100 64760 37040 35120
MAX 32200 51700 39500 36000 54800 53100 268000 246000 132000 132000 55700 46100
MIN 15500 24900 17000 26000 32000 31200 50300 107000 95600 35900 23800 25200
AC-FT 1540000 2437000 1623000 1880000 2199000 2531000 9571000 11390000 6790000 3982000 2278000 2090000
CFSM .29 .48 .31 .36 .46 .48 1.88 2.16 1.33 .76 .43 .41
IN. .34 .53 .36 .41 .48 .55 2.10 2.49 1.49 .87 .50 .46
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1874 - 2001, BY WATER YEAR (WY)
MEAN 40700 39280 27870 25810 28200 50590 90010 82340 69280 56060 37790 38000
MAX 203600 146800 73590 54100 65680 127500 175900 212400 182100 198900 113400 92380
(WY) 1882 1882 1882 1973 1966 1973 1997 1888 1892 1993 1993 1938
MIN 13490 13760 11120 11390 14000 17600 26040 23190 15420 14690 12460 13870
(WY) 1934 1934 1934 1890 1893 1934 1931 1977 1988 1988 1936 1933

SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1874 - 2001
ANNUAL TOTAL 16899500      24353700     
ANNUAL MEAN 46170      66720      48870     
HIGHEST ANNUAL MEAN 94690      1882
LOWEST ANNUAL MEAN 18870      1934
HIGHEST DAILY MEAN 125000          Jun 15 268000          Apr 23 307000      Apr 28 1965
LOWEST DAILY MEAN 15500          Oct 20 15500          Oct 20 6500      Dec 25 1933
ANNUAL SEVEN-DAY MINIMUM 18800          Dec 7 18800          Dec 7 7430      Dec 24 1933
MAXIMUM PEAK FLOW 270000          Apr 23
MAXIMUM PEAK STAGE 23.62     Apr 24 24.65 Apr 28 1965
ANNUAL RUNOFF (AC-FT) 33520000      48310000      35400000     
ANNUAL RUNOFF (CFSM) .54 .78 .57
ANNUAL RUNOFF (INCHES) 7.34 10.58 7.76
10 PERCENT EXCEEDS 84500      152000      95000     
50 PERCENT EXCEEDS 38200      39500      37500     
90 PERCENT EXCEEDS 26000      26000      19000     



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data