07010000 DATA: Discharge Tables, 2001

Station list Available data
LOWER MISSISSIPPI RIVER BASIN

07010000 MISSISSIPPI RIVER AT ST. LOUIS, MO

LOCATION.-- Lat 38°37'44", long 90°10'47", 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 in reports of the U.S. Geological Survey. 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.

WATER TEMPERATURE: October 1951 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 sea level. 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. Sediment discharge computed from transport curve.

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, 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	103000	91500	102000	70700	222000	448000	267000	422000	344000	364000	184000	132000
2	99500	82300	106000	72500	205000	423000	257000	424000	358000	350000	201000	117000
3	90700	81300	102000	70700	182000	380000	250000	423000	395000	339000	190000	101000
4	88700	84400	106000	71100	181000	332000	252000	421000	431000	334000	171000	99100
5	116000	88100	105000	74700	166000	296000	280000	417000	477000	329000	166000	102000

6	118000	97500	95400	73900	156000	283000	305000	415000	517000	333000	168000	98400
7	111000	116000	85800	73000	151000	274000	310000	420000	546000	339000	162000	96400
8	112000	107000	75000	74600	143000	262000	301000	430000	583000	330000	164000	96100
9	98200	114000	70700	73800	154000	249000	295000	450000	608000	311000	156000	107000
10	88000	122000	67900	72100	227000	234000	295000	472000	609000	292000	159000	97200

11	84900	136000	69500	73700	288000	223000	310000	470000	605000	270000	151000	99300
12	87400	143000	73600	71600	334000	215000	345000	462000	580000	256000	141000	109000
13	87200	153000	61500	70300	322000	208000	372000	459000	541000	242000	131000	118000
14	89000	142000	60700	79300	297000	197000	373000	470000	505000	225000	119000	117000
15	90000	130000	61800	82100	274000	214000	371000	480000	473000	222000	93600	118000

16	104000	131000	63900	96700	256000	257000	377000	482000	446000	215000	89200	118000
17	109000	132000	72400	90400	244000	327000	383000	487000	433000	201000	86100	113000
18	107000	128000	73700	91100	230000	396000	386000	495000	446000	189000	97700	98600
19	99300	131000	73000	96900	217000	422000	388000	504000	458000	187000	98400	102000
20	89700	136000	69900	98500	209000	415000	390000	510000	447000	181000	98100	98200

21	82400	123000	68700	101000	201000	397000	392000	516000	423000	182000	95300	137000
22	78600	123000	72100	106000	191000	377000	397000	506000	412000	181000	98800	181000
23	82400	114000	77000	100000	180000	356000	399000	493000	440000	171000	98700	181000
24	94400	106000	79900	101000	196000	343000	403000	478000	463000	178000	139000	166000
25	93400	101000	76000	95300	300000	338000	411000	459000	467000	181000	144000	153000

26	89200	105000	72800	89400	385000	336000	415000	440000	456000	175000	126000	141000
27	86200	107000	72000	89200	430000	337000	415000	413000	443000	174000	114000	134000
28	89300	102000	68800	83000	456000	329000	413000	387000	419000	189000	115000	139000
29	90400	105000	72900	85000	---	316000	413000	363000	395000	204000	120000	141000
30	95900	103000	72400	154000	---	296000	416000	345000	378000	191000	131000	134000

31	99000	---	70300	211000	---	281000	---	341000	---	180000	136000	---

MEAN	95280	114500	77380	90080	242800	314900	352700	446900	469900	242400	133700	121500
MAX	118000	153000	106000	211000	456000	448000	416000	516000	609000	364000	201000	181000
MIN	78600	81300	60700	70300	143000	197000	250000	341000	344000	171000	86100	96100
IN.	.16	.18	.13	.15	.36	.52	.56	.74	.75	.40	.22	.19

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1933 - 2001, BY WATER YEAR (WY)
MEAN	139400	144300	123900	115800	145900	231400	307200	293200	272300	223600	145800	137400
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 2000 CALENDAR YEAR		FOR 2001 WATER YEAR		WATER YEARS 1933 - 2001
ANNUAL MEAN	134200		224600		190100
HIGHEST ANNUAL MEAN					429700	1993
LOWEST ANNUAL MEAN					67700	1934
HIGHEST DAILY MEAN	385000	Jun 29	609000	Jun 10	1050000	Aug 1 1993
LOWEST DAILY MEAN	60700	Dec 14	60700	Dec 14	27800	Dec 12 1937
ANNUAL SEVEN-DAY MINIMUM	65600	Dec 10	65600	Dec 10	28200	Jan 18 1940
MAXIMUM PEAK FLOW			612000	Jun 10	1080000	Aug 1 1993
MAXIMUM PEAK STAGE			34.79	Jun 10	49.58	Aug 1 1993
INSTANTANEOUS LOW FLOW			60000	Dec 14	27800	Dec 12 1937
ANNUAL RUNOFF (INCHES)	2.62		4.38		3.71
10 PERCENT EXCEEDS	240000		446000		371000
50 PERCENT EXCEEDS	114000		171000		153000
90 PERCENT EXCEEDS	77400		78000		69200