Station list     Available data
LOWER MISSISSIPPI RIVER BASIN


07010000       MISSISSIPPI RIVER AT ST. LOUIS, MO

 

LOCATION.-- Lat 38°37'51", long 90°10'40" (NAD of 1983), Hydrologic Unit 07140101, on downstream side of west pier of Eads Bridge at St. Louis, 15.0 mi downstream from Missouri River, 19.2 mi upstream from Meramec River, and at mile 180.0 above the Ohio River.
 

DRAINAGE AREA.-- 697,000 mi2, approximately.
 

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE
 

DISCHARGE: January 1861 to current year. Monthly discharge only for some periods, published in WSP 1311.
 

STAGE: March 1933 to current year. Since January 1861, in reports of Mississippi River Commission. Since January 1890, in reports of the National Weather Service.

SURFACE-WATER QUALITY
 

SEDIMENT: April 1948 to current year.
 

REVISED RECORDS.-- WDR MO-76-1: Drainage area, WDR MO-98-1: Extreme outside period of record.
 

GAGE.-- Water-stage recorder, National Weather Service gage-height and U.S. Army Corps of Engineers satellite telemeters at station. Datum of gage is 379.94 ft above NGVD of 1929 (379.75 ft NAVD 1988). Prior to May 5, 1934, nonrecording gage 0.4 mi downstream; May 5, 1934 to Dec. 9, 1952, water-stage recorder at site 20 ft downstream at present datum.
 

REMARKS.-- Natural flow of stream affected by many reservoirs and navigation dams in upper Mississippi River Basin and by many reservoirs and diversions for irrigation in Missouri River Basin.
 

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 1,080,000 ft3/s, August 1, 1993, gage height, 49.58 ft; minimum discharge, 27,800 ft3/s, December 12, 1937.

SEDIMENT CONCENTRATIONS: Maximum daily mean, 6,720 mg/L, Feb. 24, 1985; minimum daily mean, 19 mg/L, Jan. 21 and 22, 1967.

SEDIMENT LOADS: Maximum daily, 9,830,000 tons, Feb. 24, 1985; minimum daily, 2,800 tons, Jan. 21, 1967.
 

EXTREMES OUTSIDE PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Flood of June 27, 1844, reached a stage of 41.32 ft, from floodmarks, discharge, 1,000,000 ft3/s, computed by U.S. Army Corps of Engineers. Flood in April 1785 may have reached a stage of 42.0 ft. Minimum flow, 18,000 ft3/s, Dec. 23, 1863.
 

REMARKS FOR CURRENT YEAR.--Records good.
Discharge, cubic feet per second, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
 
1 123000  125000  e242000  111000  193000  198000  155000  228000  183000  201000  98800  127000 
2 121000  200000  240000  105000  185000  195000  160000  218000  176000  194000  99800  128000 
3 121000  232000  228000  133000  179000  194000  170000  205000  173000  194000  95700  113000 
4 119000  232000  216000  205000  176000  189000  186000  202000  173000  197000  84900  94100 
5 117000  225000  198000  342000  173000  179000  191000  195000  168000  196000  86300  84500 
 
6 117000  226000  194000  461000  174000  169000  189000  180000  172000  193000  78900  83400 
7 112000  218000  236000  461000  181000  161000  187000  162000  220000  189000  81500  78400 
8 112000  207000  286000  386000  200000  153000  189000  148000  273000  185000  86900  78000 
9 110000  191000  283000  344000  203000  145000  192000  144000  276000  184000  78500  85600 
10 112000  178000  270000  309000  214000  154000  194000  142000  269000  173000  77400  92000 
 
11 111000  179000  248000  284000  227000  166000  201000  140000  277000  160000  73900  86700 
12 120000  187000  226000  270000  225000  163000  211000  141000  288000  154000  73400  80700 
13 129000  179000  217000  322000  228000  155000  229000  140000  277000  146000  83200  76800 
14 121000  164000  209000  404000  283000  150000  263000  161000  300000  136000  90100  82300 
15 115000  160000  202000  399000  345000  145000  289000  179000  332000  134000  89200  82100 
 
16 111000  149000  198000  344000  379000  142000  305000  204000  339000  126000  92000  84900 
17 102000  141000  192000  319000  376000  133000  302000  266000  315000  115000  86300  89500 
18 102000  137000  180000  286000  359000  127000  286000  264000  286000  106000  81100  90400 
19 114000  135000  180000  263000  347000  133000  266000  248000  270000  103000  85600  86600 
20 109000  137000  169000  255000  329000  134000  249000  236000  253000  96800  95100  93900 
 
21 101000  139000  163000  252000  307000  122000  239000  231000  243000  97000  106000  98900 
22 95900  135000  152000  249000  285000  118000  237000  229000  235000  98700  109000  112000 
23 96600  124000  129000  236000  276000  127000  242000  227000  229000  93200  105000  107000 
24 106000  129000  114000  229000  260000  121000  261000  216000  226000  92500  116000  102000 
25 111000  158000  117000  229000  241000  123000  261000  212000  220000  103000  117000  103000 
 
26 111000  203000  121000  222000  227000  126000  264000  220000  216000  109000  109000  106000 
27 116000  223000  120000  213000  223000  126000  262000  216000  210000  106000  98100  103000 
28 126000  260000  121000  205000  215000  123000  255000  206000  203000  101000  111000  113000 
29 129000  265000  117000  204000  ---  124000  245000  198000  205000  107000  127000  131000 
30 129000  244000  116000  202000  ---  135000  234000  195000  205000  104000  134000  126000 
 
31 120000  ---  109000  198000  ---  146000  ---  190000  ---  97300  129000  --- 

MEAN 114200 182700 186900 272300 250400 147600 230500 198200 240400 138400 96120 97330
MAX 129000 265000 286000 461000 379000 198000 305000 266000 339000 201000 134000 131000
MIN 95900 124000 109000 105000 173000 118000 155000 140000 168000 92500 73400 76800
IN. 0.19 0.29 0.31 0.45 0.37 0.24 0.37 0.33 0.38 0.23 0.16 0.16
e Estimated
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1933 - 2005, BY WATER YEAR (WY)
MEAN 138000 143500 124400 116900 145700 227700 301400 294100 273400 221500 144400 136000
MAX 575300 359200 452400 307800 301400 521800 692500 588700 600600 808800 700200 531800
(WY) 1987 1986 1983 1973 1974 1973 1973 1995 1947 1993 1993 1993
MIN 44170 47920 42130 31340 41900 74550 110100 79500 70260 67130 43510 54640
(WY) 1940 1940 1938 1940 1940 1964 1934 1934 1934 1936 1936 1939

SUMMARY STATISTICS FOR 2004 CALENDAR YEAR FOR 2005 WATER YEAR WATER YEARS 1933 - 2005
ANNUAL MEAN 193500      178900      189000     
HIGHEST ANNUAL MEAN 429700      1993
LOWEST ANNUAL MEAN 67700      1934
HIGHEST DAILY MEAN 460000          May 29 461000          Jan 6,7 1050000      Aug 1 1993
LOWEST DAILY MEAN 75000          Feb 18 73400          Aug 12 27800      Dec 12 1937
ANNUAL SEVEN-DAY MINIMUM 79400          Feb 14 78600          Aug 6 28200      Jan 18 1940
MAXIMUM PEAK FLOW 479000          Jan 7 1080000      Aug 1 1993
MAXIMUM PEAK STAGE 28.80     Jan 7 49.58 Aug 1 1993
INSTANTANEOUS LOW FLOW 71000          Aug 12 27800      Dec 12 1937
ANNUAL RUNOFF (INCHES) 3.78 3.49 3.68
10 PERCENT EXCEEDS 365000      276000      368000     
50 PERCENT EXCEEDS 170000      173000      152000     
90 PERCENT EXCEEDS 100000      95500      69800     



Table of Contents

Introduction

Station Descriptions

Surface-Water Data

Ground-Water Data

Meteorological Data

Biological Data