RED RIVER OF THE NORTH BASIN

05060100 MAPLE RIVER BELOW MAPLETON, ND

LOCATION.--Lat 46×54'19", long 97×03'08", in NW14NW14NW14 sec.31, T.140 N., R.50 W., Cass County, Hydrologic Unit 09020205, on left bank just downstream from bridge on county highway 1.0 mi north of Mapleton.

DRAINAGE AREA.-- 1,480 mi2, approximately, of which 70 mi2 is probably noncontributing.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--April 1944 to September 1958, March 1995 to current year. April 1944 to September 1958 published as "at Mapleton". Record not equivalent at extreme high flows to station 05060000 (site 9 mi upstream), which was operated for water years 1959 to 1975, and operated as a seasonal gage beginnning in March 2001.

GAGE.--Water-stage recorder. Datum of gage is 880.43 ft above National Geodetic Vertical Datum of 1929 (surveyed by North Dakota State Water Commission, 2004), revised. From Feb. 16, 1944, to Sept. 30, 1958, nonrecording gage at site 2 mi upstream at datum 6.34 ft higher.

REMARKS.--Records good except for estimated daily discharges, which are poor.

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	3.0	11	e7.0	e5.6	e2.7	e4.6	807	61	595	47	96	11
2	3.1	11	e7.0	e5.0	e2.7	e4.6	1,000	58	726	40	85	9.0
3	3.3	11	e7.0	e4.4	e2.7	e4.7	1,140	52	474	37	80	8.4
4	3.2	e10	e7.0	e4.2	e2.7	e4.7	1,180	50	388	35	67	8.0
5	3.0	e9.0	e7.0	e4.2	e2.8	e4.8	1,130	44	577	32	55	9.8
6	2.7	e8.4	e7.0	e4.0	e2.9	e4.9	1,050	47	804	38	51	16
7	2.4	e7.8	e6.8	e4.1	e3.0	e5.0	976	46	923	38	56	37
8	2.2	e7.6	e6.4	e4.2	e3.0	e5.4	890	44	946	36	57	41
9	2.2	7.6	e6.2	e4.2	e3.0	e5.8	778	44	856	34	50	27
10	1.9	7.1	e6.0	e4.4	e3.0	e7.0	670	43	693	45	51	18
11	3.4	7.1	e6.0	e4.5	e3.0	e9.0	579	74	551	563	46	12
12	5.2	7.4	e6.0	e4.6	e3.1	e17	497	108	432	1,180	43	8.6
13	6.2	8.4	e6.0	e4.6	e3.1	e42	423	108	358	1,460	41	6.5
14	8.1	9.6	e6.0	e4.4	e3.2	e56	361	69	311	1,340	38	5.2
15	10	10	e6.0	e4.2	e3.2	e64	297	59	271	1,010	36	5.6
16	12	11	e6.0	e3.8	e3.4	e68	243	58	231	681	35	5.5
17	13	13	e6.0	e3.7	e3.6	e71	204	59	191	529	32	9.0
18	12	13	e6.0	e3.6	e3.8	e74	171	99	160	471	29	12
19	12	13	e6.1	e3.5	e4.0	e98	146	107	130	429	23	11
20	9.1	e12	e6.1	e3.4	e4.2	e170	130	118	109	389	22	12
21	8.9	e13	e6.2	e3.4	e4.3	e235	120	110	105	395	21	10
22	9.8	e12	e6.2	e3.3	e4.3	e271	108	85	e100	387	20	14
23	10	e10	e6.1	e3.3	e4.3	e285	100	87	e95	380	19	26
24	7.7	e8.8	e6.0	e3.2	e4.4	e306	90	79	e95	337	18	24
25	6.6	e8.0	e6.0	e3.1	e4.4	e319	79	69	e88	293	15	25
26	7.0	e7.0	e6.0	e3.0	e4.5	e400	74	62	83	261	13	31
27	7.5	e7.2	e5.9	e3.0	e4.5	e689	69	63	75	224	13	36
28	6.6	e8.0	e5.8	e2.9	e4.6	e623	71	64	66	190	13	32
29	7.9	e7.6	e5.6	e2.8	e4.6	e551	70	71	58	161	12	34
30	10	e7.4	e5.4	e2.8	---	649	67	73	52	137	11	37
31	11	---	e5.7	e2.8	---	672	---	169	---	115	11	---
TOTAL	211.0	284.0	192.5	118.2	103.0	5,720.5	13,520	2,280	10,543	11,314	1,159	541.6
MEAN	6.81	9.47	6.21	3.81	3.55	185	451	73.5	351	365	37.4	18.1
MAX	13	13	7.0	5.6	4.6	689	1,180	169	946	1,460	96	41
MIN	1.9	7.0	5.4	2.8	2.7	4.6	67	43	52	32	11	5.2
AC-FT	419	563	382	234	204	11,350	26,820	4,520	20,910	22,440	2,300	1,070
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1944 - 2004, BY WATER YEAR (WY)
MEAN	15.4	24.9	12.2	4.55	17.0	215	543	179	149	96.1	18.8	31.7
MAX	96.5	256	125	20.7	288	1,376	2,956	1,035	867	373	57.0	401
(WY)	(1999)	(2001)	(1999)	(1999)	(1998)	(1998)	(1997)	(1999)	(2000)	(2000)	(2001)	(1999)
MIN	0.00	1.75	0.63	0.02	0.00	0.00	21.0	6.30	6.52	2.90	0.04	0.00
(WY)	(1953)	(1953)	(1956)	(1956)	(1945)	(1956)	(1953)	(1955)	(1954)	(1956)	(1946)	(1949)

SUMMARY STATISTICS	FOR 2003 CALENDAR YEAR	FOR 2004 WATER YEAR	WATER YEARS 1944 - 2004
ANNUAL TOTAL	22,716.91	45,986.8
ANNUAL MEAN	62.2	126	108
HIGHEST ANNUAL MEAN			343 1999
LOWEST ANNUAL MEAN			11.1 1954
HIGHEST DAILY MEAN	743 Jun 30	1,460 Jul 13	6,620 Apr 16, 1997
LOWEST DAILY MEAN	0.95 Mar  9	1.9 Oct 10	0.00 Jan 16, 1945
ANNUAL SEVEN-DAY MINIMUM	0.97 Mar  6	2.5 Oct  4	0.00 Jan 16, 1945
MAXIMUM PEAK FLOW		1,480 Jul 13	a7,150 Apr 16, 1997
MAXIMUM PEAK STAGE		16.92 Jul 13	b24.96 Apr  8, 1997
INSTANTANEOUS LOW FLOW			0.00 Jan 16, 1945
ANNUAL RUNOFF (AC-FT)	45,060	91,210	78,080
10 PERCENT EXCEEDS	225	430	182
50 PERCENT EXCEEDS	9.6	13	11
90 PERCENT EXCEEDS	1.9	3.4	0.10

a Gage height, 23.76 ft b Observed, backwater from ice; may have been higher during period of no gage-height record, April 6-9, 1997 e Estimated

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