HEART RIVER BASIN

06345780 HEART RIVER ABOVE LAKE TSCHIDA NEAR GLEN ULLIN, ND

LOCATION.--Lat 46×39'25", Long 102×04'44", in SW14NE14NE14 sec.30, T.137 N., R.90 W., Grant County, Hydrologic Unit 10130202, on right bank 100 ft downstream from bridge on county road and 16 mi south and 1 mi west of Hebron.

DRAINAGE AREA.--1,530 mi2, approximately.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--July 1988 to current year.

GAGE.--Water-stage recorder. Elevation of gage is 2,090 ft above National Geodetic Vertical Datum of 1929, from topographic map.

REMARKS.--Records good except for discharges below 10 ft3/s during June 20 to July 31, which are fair and for estimated daily discharges, which are poor. Flow is regulated by E.A. Patterson Lake (station 06343500) about 90 river mi upstream from station, and some diversions for irrigation and water supply at low flow.

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	4.7	e14	e14	e11	e6.6	e400	e241	28	21	7.9	17	8.4
2	6.0	e14	e14	e10	e6.6	e190	203	27	19	9.7	20	8.4
3	6.0	e13	e14	e9.8	e6.5	e95	173	27	18	11	22	8.0
4	6.6	e13	e14	e9.0	e6.6	e40	148	25	18	9.4	21	7.9
5	7.6	e13	e14	e8.8	e6.8	e21	128	23	19	12	21	7.8
6	8.5	e13	e14	e8.2	e6.8	e30	110	23	19	13	23	7.5
7	9.0	e13	e13	e7.0	e6.9	e100	96	23	18	12	40	6.9
8	8.8	e14	e13	e5.2	e7.0	e225	84	26	14	13	55	6.8
9	9.1	e15	e13	e5.6	e7.1	e1,040	74	59	13	17	53	6.5
10	9.2	e16	e13	e6.1	e7.3	e2,600	68	46	13	31	50	7.5
11	e9.2	e18	e13	e6.5	e7.3	e2,850	64	34	16	35	58	8.9
12	e8.0	e19	e12	e6.7	e7.5	e3,010	59	29	15	e41	49	8.4
13	e7.9	e20	e12	e6.9	e7.5	e1,740	56	27	15	26	48	8.6
14	e9.0	e20	e12	e7.0	e7.7	e1,050	54	25	15	18	55	9.0
15	11	e19	e12	e7.5	e8.0	e930	50	25	14	14	56	10
16	12	e18	e12	e8.1	e8.3	789	47	24	16	12	54	11
17	12	e18	e12	e8.3	e8.6	661	45	23	15	11	54	11
18	12	e17	e12	e8.3	e8.7	598	48	22	13	10	53	14
19	13	e16	e12	e8.0	e8.8	e584	51	22	12	e8.8	52	18
20	13	e16	e13	e7.7	e8.8	e597	58	20	11	e8.2	52	16
21	13	e15	e13	e7.4	e9.0	e699	74	21	10	7.3	51	16
22	13	e14	e13	e7.2	e10	e794	70	33	9.7	6.8	45	15
23	13	e14	e13	e7.0	e12	e855	59	27	9.5	6.4	34	15
24	13	e14	e12	e6.9	e13	e697	52	30	8.8	6.1	25	15
25	12	e14	e12	e6.6	e14	e483	47	30	7.9	5.6	19	16
26	13	e13	e12	e6.7	e17	e298	42	30	7.4	5.9	17	18
27	13	e13	e12	e6.5	e30	e475	39	31	8.4	7.5	16	16
28	12	e13	e12	e6.6	e74	e701	36	31	8.3	12	e14	14
29	13	e13	e12	e6.6	e240	e526	34	29	8.1	14	e13	13
30	14	e13	e12	e6.5	---	e420	32	26	8.0	14	e11	13
31	14	---	e12	e6.6	---	e317	---	24	---	14	e9.5	---
TOTAL	325.6	455	393	230.3	568.4	23,815	2,342	870	400.1	419.6	1,107.5	341.6
MEAN	10.5	15.2	12.7	7.43	19.6	768	78.1	28.1	13.3	13.5	35.7	11.4
MAX	14	20	14	11	240	3,010	241	59	21	41	58	18
MIN	4.7	13	12	5.2	6.5	21	32	20	7.4	5.6	9.5	6.5
AC-FT	646	902	780	457	1,130	47,240	4,650	1,730	794	832	2,200	678
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1988 - 2004, BY WATER YEAR (WY)
MEAN	21.9	21.8	14.4	10.5	38.5	411	129	78.7	110	70.6	47.6	13.5
MAX	104	95.3	57.7	25.2	205	1,587	582	391	394	265	252	44.2
(WY)	(1999)	(1999)	(1999)	(1996)	(1996)	(1997)	(1997)	(1995)	(2001)	(1993)	(1995)	(1995)
MIN	2.23	6.52	4.14	0.32	3.41	18.5	9.90	6.20	7.21	3.16	0.05	0.10
(WY)	(1992)	(1991)	(1993)	(1991)	(1989)	(1990)	(1992)	(1992)	(1992)	(1989)	(1991)	(1991)

SUMMARY STATISTICS	FOR 2003 CALENDAR YEAR	FOR 2004 WATER YEAR	WATER YEARS 1988 - 2004
ANNUAL TOTAL	36,609.8	31,268.1
ANNUAL MEAN	100	85.4	81.7
HIGHEST ANNUAL MEAN			229 1997
LOWEST ANNUAL MEAN			9.17 1992
HIGHEST DAILY MEAN	5,690 Mar 19	3,010 Mar 12	11,000 Mar 22, 1997
LOWEST DAILY MEAN	3.7 Sep  9	4.7 Oct  1	0.00 Sep  1, 1991
ANNUAL SEVEN-DAY MINIMUM	4.4 Aug 16	6.3 Jan  7	0.00 Aug 30, 1991
MAXIMUM PEAK FLOW		a3,100 Mar 12	a11,500 Mar 22, 1997
MAXIMUM PEAK STAGE		b17.38 Mar 10	b26.74 Mar 21, 1997
ANNUAL RUNOFF (AC-FT)	72,620	62,020	59,180
10 PERCENT EXCEEDS	78	87	119
50 PERCENT EXCEEDS	14	14	18
90 PERCENT EXCEEDS	6.4	7.0	4.0

a About b Backwater from ice e Estimated

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