07010000 DATA: Discharge Tables, 2000

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 turbidity readings.

EXTREMES FOR PERIOD OF RECORD.--
SUSPENDED-SEDIMENT CONCENTRATIONS: Maximum daily mean, 6,720 mg/L, Feb. 24, 1985; minimum daily mean, 19 mg/L, Jan. 21 and 22, 1967.
SUSPENDED-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 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES
DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP

1	160000	107000	111000	83400	77300	169000	136000	160000	172000	364000	136000	103000
2	152000	112000	112000	92400	74400	157000	129000	145000	174000	345000	127000	106000
3	138000	99800	105000	98500	81200	158000	123000	144000	194000	331000	132000	101000
4	134000	105000	109000	100000	86200	171000	120000	138000	193000	316000	133000	99400
5	127000	105000	112000	89800	79800	170000	109000	129000	198000	305000	130000	88800

6	126000	109000	119000	87800	80700	169000	116000	121000	211000	293000	122000	78600
7	119000	108000	122000	89400	85500	158000	114000	137000	213000	285000	113000	83800
8	124000	105000	131000	79700	78000	154000	117000	183000	212000	287000	129000	76800
9	119000	102000	119000	88900	75900	151000	109000	143000	215000	286000	145000	80000
10	115000	104000	124000	94400	72400	144000	105000	123000	218000	276000	160000	86400

11	116000	104000	119000	93700	75400	142000	102000	111000	221000	248000	149000	92700
12	118000	108000	122000	86400	72600	144000	105000	121000	229000	238000	133000	92700
13	118000	110000	129000	94100	77800	140000	105000	127000	232000	243000	126000	88200
14	116000	106000	121000	92600	77600	130000	106000	119000	230000	240000	109000	101000
15	116000	102000	113000	91300	74600	121000	97800	122000	232000	240000	92500	105000

16	109000	104000	111000	83200	77800	119000	93500	118000	241000	242000	97600	110000
17	111000	103000	112000	77400	75900	125000	99300	122000	258000	243000	106000	105000
18	103000	101000	112000	80600	100000	126000	100000	121000	272000	241000	116000	115000
19	107000	106000	98200	79100	110000	128000	92500	122000	280000	256000	117000	115000
20	104000	99200	96800	87000	120000	137000	109000	118000	283000	260000	117000	109000

21	105000	90700	82400	82700	109000	138000	115000	128000	295000	259000	114000	102000
22	105000	93000	71100	78200	98400	128000	140000	142000	304000	251000	114000	101000
23	105000	97400	69000	76700	88500	133000	171000	157000	310000	240000	115000	99400
24	104000	106000	69000	76000	88900	135000	175000	160000	342000	226000	125000	90400
25	106000	114000	75400	73900	88400	129000	159000	165000	354000	204000	145000	96200

26	108000	110000	78800	67900	109000	127000	163000	164000	344000	182000	164000	113000
27	109000	110000	72200	77500	138000	128000	151000	183000	350000	162000	148000	115000
28	110000	114000	72800	87400	162000	116000	155000	226000	376000	151000	121000	106000
29	105000	121000	73400	87300	169000	114000	155000	230000	385000	153000	109000	101000
30	104000	115000	72000	84700	---	124000	159000	206000	381000	135000	102000	99000

31	111000	---	77100	83000	---	134000	---	193000	---	134000	95200	---

MEAN	116300	105700	100400	85320	93250	139300	124400	147700	264000	246300	123900	98680
MAX	160000	121000	131000	100000	169000	171000	175000	230000	385000	364000	164000	115000
MIN	103000	90700	69000	67900	72400	114000	92500	111000	172000	134000	92500	76800
IN.	.19	.17	.17	.14	.14	.23	.20	.24	.42	.41	.21	.16

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1933 - 2000, BY WATER YEAR (WY)
MEAN	140000	144700	124600	116200	144500	230200	306500	290900	269400	223300	145900	137600
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 1999 CALENDAR YEAR		FOR 2000 WATER YEAR		WATER YEARS 1933 - 2000
ANNUAL MEAN	233100		137200		189600
HIGHEST ANNUAL MEAN					429700	1993
LOWEST ANNUAL MEAN					67700	1934
HIGHEST DAILY MEAN	548000	May 8	385000	Jun 29	1050000	Aug 1 1993
LOWEST DAILY MEAN	69000	Dec 23,24	67900	Jan 26	27800	Dec 12 1937
ANNUAL SEVEN-DAY MINIMUM	72600	Dec 22	72600	Dec 22	28200	Jan 18 1940
INSTANTANEOUS PEAK FLOW	---		386000	Jun 29	1080000	Aug 1 1993
INSTANTANEOUS PEAK STAGE	---		25.43	Jun 29	49.58	Aug 1 1993
INSTANTANEOUS LOW FLOW	---		65800	Jan 26	27800	Dec 12 1937
ANNUAL RUNOFF (INCHES)	4.54		2.68		3.70
10 PERCENT EXCEEDS	456000		240000		369000
50 PERCENT EXCEEDS	201000		116000		153000
90 PERCENT EXCEEDS	105000		80700		69000