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" (NAD of 1927), 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 year.
 

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 and U.S. Army Corps of Engineers satellite telemeter. Datum of gage is 562.68 ft above NGVD of 1929. 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.
 

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.

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.
 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum stage known since at least 1828, that of Apr. 28, 1965.
 

REMARKS FOR CURRENT YEAR.-- Records good 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 46800  59500  37400  34400  e24800  26600  57600  129000  93300  60300  32200  17200 
2 52100  59500  33200  35200  e25200  25400  59100  128000  88100  63100  32100  22100 
3 54200  59700  31100  35000  e25400  25000  57500  121000  83000  64900  30500  20400 
4 54700  60000  26300  35500  e25500  21600  57000  106000  78200  67500  28500  18400 
5 57500  59500  25200  34800  e25100  22500  56800  105000  68700  71100  29300  18600 
 
6 59700  56900  24700  34300  e24700  23500  51300  99100  62500  74300  30700  18200 
7 60100  51300  25100  35300  e26100  23800  49100  89400  61600  78800  31100  16400 
8 59700  47100  25800  34100  e26600  21400  49300  78800  56800  82600  31100  14100 
9 60900  46500  28600  33300  e25900  24200  49100  75600  53100  86000  31200  14200 
10 70100  47800  29400  32100  e26200  25700  45000  74900  54800  90100  31800  14400 
 
11 77700  49000  29500  25600  e26600  23800  42200  79500  55800  93400  31000  16400 
12 84400  50000  31000  e23000  e26600  21500  41100  91000  55400  85700  29700  18600 
13 91100  49400  34200  e21300  e26300  18800  41700  91400  55300  80200  27400  21700 
14 94200  48300  41700  e23800  e25900  26000  42500  96600  55900  74600  27200  34200 
15 101000  47700  42300  e28000  e25500  30900  42700  99900  60000  69400  24500  31000 
 
16 103000  48300  42800  e25600  e25300  31600  40300  106000  61600  67600  23600  25700 
17 104000  47600  40500  e24400  e24800  36600  40200  110000  64500  62100  22700  23400 
18 104000  45100  39600  e23500  e24300  46800  43300  118000  66500  58800  23600  19300 
19 102000  43800  39000  e24000  e24000  58000  52200  134000  64200  60100  23200  17200 
20 97900  42600  43500  e24700  e24800  58200  60600  146000  60600  59800  22200  17300 
 
21 91000  42900  43400  e25200  e25000  59900  69700  155000  57000  57800  21300  20700 
22 88400  42900  40900  e27400  25900  61400  82700  157000  52500  57600  23400  23600 
23 81800  42300  39000  e25800  27000  62000  90000  154000  46500  57100  26400  24900 
24 73400  39000  32000  e27100  29100  63400  96200  150000  39600  53500  25800  24300 
25 66900  39900  27500  e25100  32400  61800  102000  144000  36100  47200  25500  24100 
 
26 65100  37400  25200  e25300  32100  59400  111000  135000  40400  44000  24500  21900 
27 64200  41300  25900  e25700  32000  59600  116000  123000  43900  42900  20600  20900 
28 63700  41600  27800  e26400  30000  60200  123000  117000  43100  44200  19600  19900 
29 62900  41600  29500  e27200  ---  61500  126000  110000  45500  41700  17300  15600 
30 60200  41300  33000  e26300  ---  58400  129000  103000  53300  38900  16100  13900 
 
31 60300  ---  34800  e25100  ---  56600  ---  95700  ---  35600  16900  --- 

TOTAL 2313000 1429800 1029900 874500 743100 1256100 2024200 3522900 1757800 1970900 801000 608600
MEAN 74610 47660 33220 28210 26540 40520 67470 113600 58590 63580 25840 20290
MAX 104000 60000 43500 35500 32400 63400 129000 157000 93300 93400 32200 34200
MIN 46800 37400 24700 21300 24000 18800 40200 74900 36100 35600 16100 13900
AC-FT 4588000 2836000 2043000 1735000 1474000 2491000 4015000 6988000 3487000 3909000 1589000 1207000
CFSM 0.87 0.56 0.39 0.33 0.31 0.47 0.79 1.33 0.68 0.74 0.30 0.24
IN. 1.01 0.62 0.45 0.38 0.32 0.55 0.88 1.53 0.76 0.86 0.35 0.26
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1874 - 2003, BY WATER YEAR (WY)
MEAN 40880 39300 28020 25860 28240 50470 89910 82700 69310 56270 37880 38020
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 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 1874 - 2003
ANNUAL TOTAL 22567800      18331800     
ANNUAL MEAN 61830      50220      48950     
HIGHEST ANNUAL MEAN 94690      1882
LOWEST ANNUAL MEAN 18870      1934
HIGHEST DAILY MEAN 166000          Apr 25 157000          May 22 307000      Apr 28 1965
LOWEST DAILY MEAN 23000          Jan 22 13900          Sep 30 6500      Dec 25 1933
ANNUAL SEVEN-DAY MINIMUM 25300          Jan 18 16000          Sep 5 7430      Dec 24 1933
MAXIMUM PEAK FLOW 162000          May 22
MAXIMUM PEAK STAGE 17.04     May 23 24.65 Apr 28 1965
ANNUAL RUNOFF (AC-FT) 44760000      36360000      35460000     
ANNUAL RUNOFF (CFSM) 0.72 0.59 0.57
ANNUAL RUNOFF (INCHES) 9.81 7.97 7.77
10 PERCENT EXCEEDS 102000      95900      95200     
50 PERCENT EXCEEDS 56700      42300      37700     
90 PERCENT EXCEEDS 29200      22900      19000     



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data