MISSOURI RIVER MAIN STEM

06342500 MISSOURI RIVER AT BISMARCK, ND

LOCATION.--Lat 46×48'51", long 100×49'17", in SE14NW14SE14 sec.31, T.139 N., R.80 W., Burleigh County, Hydrologic Unit 10130101, on left bank 40 ft upstream from Bismarck City waterplant, 2,100 ft downstream from Burlington Northern Railway bridge, 1.6 mi northwest of Bismarck Post Office, 3.5 mi upstream from Heart River, and at mile 1,314.5.

DRAINAGE AREA.--186,400 mi2, approximately.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October to November 1927, April 1928 to current year. See WSP 1729 or 1917 for history of data prior to April 1928.

GAGE.--Water-stage recorder. Datum of gage is 1,618.28 ft above National Geodetic Vertical Datum of 1929, revised. See WSP 1729 or 1917 for history of changes prior to Sept. 30, 1937.

REMARKS.--Records good except for estimated daily discharges, which are fair. Flow regulated by Lake Sakakawea (station 06338000), 75.4 mi upstream, since November 1953.

EXTREMES PRIOR TO COMPLETION OF GARRISON DAM.--Maximum discharge, 500,000 ft3/s, Apr. 6, 1952, gage height, 27.90 ft.

EXTREMES SINCE COMPLETION OF GARRISON DAM.--Since completion of Garrison Dam in 1953, maximum discharge, 68,900 ft3/s, July 13, 1975, gage height, 14.24 ft; maximum gage height, 14.58 ft, Dec. 18, 1979, backwater from ice.

EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum stage known, 31.6 ft, Mar. 31, 1881, present site and datum.

Discharge, cubic feet per second 

WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004

DAILY MEAN VALUES

DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP
1	14,100	10,300	e13,000	e18,100	e23,400	e25,300	15,500	14,300	18,900	17,600	18,000	16,900
2	14,000	10,200	e13,000	e18,000	e23,500	e24,500	15,600	13,700	19,200	18,300	17,900	16,200
3	13,100	10,700	12,400	e17,800	e23,600	e24,400	15,100	13,600	19,000	18,300	18,300	17,400
4	12,100	10,500	12,600	e18,000	e23,200	e24,200	14,600	13,500	18,300	17,800	18,200	17,500
5	11,400	10,400	12,700	e18,000	e23,100	e23,600	14,600	13,600	18,800	17,800	17,400	17,000
6	e10,800	10,600	12,600	e18,000	e23,200	e23,200	15,700	13,600	18,700	18,300	17,000	17,000
7	e10,500	10,600	13,700	e18,200	e23,300	e22,700	16,600	13,800	19,200	18,000	17,200	16,900
8	e10,500	10,500	12,800	e18,700	e23,800	e22,100	15,600	13,800	19,600	18,100	17,500	17,000
9	e10,600	10,700	13,100	e18,900	e25,000	e21,400	16,600	14,400	18,500	18,200	17,400	17,100
10	10,300	10,600	13,800	e18,700	e24,300	e21,100	16,400	14,000	18,400	18,100	16,800	17,000
11	10,400	10,600	15,100	e18,500	e24,000	e20,300	16,600	13,300	19,400	17,900	16,900	16,900
12	10,000	10,500	e15,500	e18,300	e24,200	e19,700	16,600	14,600	19,100	18,300	17,000	17,000
13	10,400	10,200	e16,000	e18,500	e24,100	e19,000	16,300	13,700	18,800	18,300	17,200	17,100
14	10,300	10,300	e16,600	e18,700	e24,100	e18,500	16,500	13,300	18,700	18,000	17,000	16,300
15	10,500	10,500	e16,600	e19,400	e24,300	e17,500	18,400	14,000	17,000	18,400	17,300	16,900
16	10,800	10,400	e17,400	e19,700	e25,100	e16,200	19,000	15,500	17,700	18,100	17,100	17,100
17	10,900	10,800	17,300	e20,000	e25,400	18,000	19,600	18,200	19,200	18,100	17,000	15,900
18	10,900	11,000	17,600	e20,400	e25,300	17,000	19,800	16,000	18,200	18,000	17,200	16,600
19	11,000	e13,100	17,400	e21,000	e25,100	17,000	19,900	15,900	18,000	18,100	17,100	15,100
20	10,800	e13,200	17,400	e21,300	e25,300	17,700	20,600	18,100	18,100	18,000	16,800	14,000
21	10,300	12,000	18,000	e21,200	e25,400	17,300	19,100	15,900	18,000	18,000	16,600	13,400
22	10,100	12,400	18,300	e21,300	e25,300	17,200	20,400	17,000	18,000	18,100	16,900	13,100
23	9,760	12,500	18,100	e21,500	e25,600	16,700	20,700	18,600	18,100	18,200	17,000	12,800
24	10,200	12,700	18,200	e21,500	e25,700	16,600	20,200	16,200	17,900	18,000	17,700	11,700
25	9,850	13,300	18,200	e21,500	e25,600	16,200	21,400	17,200	18,000	18,000	17,500	11,300
26	9,790	12,600	18,000	e21,400	e25,600	16,000	21,000	18,700	18,000	18,200	16,800	11,300
27	10,100	13,300	18,200	e21,600	e25,700	16,700	20,200	16,200	18,100	18,100	17,100	11,200
28	9,970	12,900	17,800	e22,100	e25,700	16,800	17,200	16,900	18,000	18,300	17,200	11,300
29	9,780	13,500	17,300	e22,400	e25,700	16,400	13,900	18,200	18,200	18,000	17,100	11,600
30	10,300	12,900	18,100	e22,600	---	16,000	14,000	16,500	18,200	18,200	17,000	11,300
31	10,300	---	e18,000	e23,100	---	15,400	---	16,600	---	17,900	16,900	---
TOTAL	333,850	343,800	494,800	618,400	713,600	594,700	527,700	478,900	553,300	560,700	534,100	451,900
MEAN	10,770	11,460	15,960	19,950	24,610	19,180	17,590	15,450	18,440	18,090	17,230	15,060
MAX	14,100	13,500	18,300	23,100	25,700	25,300	21,400	18,700	19,600	18,400	18,300	17,500
MIN	9,760	10,200	12,400	17,800	23,100	15,400	13,900	13,300	17,000	17,600	16,600	11,200
AC-FT	662,200	681,900	981,400	1,227,000	1,415,000	1,180,000	1,047,000	949,900	1,097,000	1,112,000	1,059,000	896,300
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1954 - 2004, BY WATER YEAR (WY)
MEAN	20,930	21,030	20,610	22,650	24,810	22,360	21,160	22,560	24,210	25,120	24,890	21,980
MAX	48,180	43,240	31,690	32,350	34,840	34,370	40,370	42,030	43,540	64,610	57,010	45,060
(WY)	(1998)	(1998)	(1970)	(1969)	(1969)	(1972)	(1972)	(1972)	(1975)	(1975)	(1975)	(1997)
MIN	8,399	8,155	7,890	6,519	5,883	6,317	10,420	9,234	8,445	10,840	9,271	8,121
(WY)	(1963)	(1963)	(1955)	(1955)	(1956)	(1955)	(1993)	(1963)	(1960)	(1960)	(1962)	(1962)

SUMMARY STATISTICS	FOR 2003 CALENDAR YEAR	FOR 2004 WATER YEAR	WATER YEARS 1954 - 2004d
ANNUAL TOTAL	6,769,150	6,205,750
ANNUAL MEAN	18,550	16,960	22,680
HIGHEST ANNUAL MEAN			35,630 1975
LOWEST ANNUAL MEAN			14,320 1960
HIGHEST DAILY MEAN	24,800 Feb 25	25,700 Feb 24	68,800 Jul 13, 1975
LOWEST DAILY MEAN	9,760 Oct 23	9,760 Oct 23	4,000 Mar 25, 1955
ANNUAL SEVEN-DAY MINIMUM	9,920 Oct 23	9,920 Oct 23	4,860 Mar 21, 1955
MAXIMUM PEAK FLOW		a26,000 Feb 24	b68,900 Jul 13, 1975
MAXIMUM PEAK STAGE		c12.08 Jan  2	c14.80 Jan 13, 1983
ANNUAL RUNOFF (AC-FT)	13,430,000	12,310,000	16,430,000
10 PERCENT EXCEEDS	23,000	22,800	33,900
50 PERCENT EXCEEDS	19,500	17,300	21,800
90 PERCENT EXCEEDS	10,800	10,800	12,000

a About b Gage height, 14.24 ft c Backwater from ice d Since completion of Garrison Dam e Estimated

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