EAGLE RIVER BASIN

09066100 BIGHORN CREEK NEAR MINTURN, CO

LOCATION.--Lat 39°38'24", long 106°17'34", in N12 sec.12, T.5 S., R.80 W., Eagle County, Hydrologic Unit 14010003, on left bank 0.3 mi upstream from U.S. Highway 6, 0.4 mi upstream from mouth, 4.5 mi east of Vail, and 8.5 mi northeast of Minturn.

DRAINAGE AREA.--4.54 mi2.

PERIOD OF RECORD.--October 1963 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09066100

REVISED RECORDS.--WDR CO-88-2: Drainage area.

GAGE.--Water-stage recorder and concrete control. Elevation of gage is 8,625 ft above NGVD of 1929, from topographic map.

REMARKS.--Records fair except for estimated daily discharges, which are poor. No regulation or diversion upstream from station. Several measurements of specific conductance and water temperature were obtained and are published in the "Supplemental Water-Quality Data For Gaging Stations" section of this report.

Discharge, cubic feet per second 

WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003

DAILY MEAN VALUES

DAY	OCT	NOV	DEC	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP
1	e3.1	e1.5	e1.5	e1.2	e1.2	e0.93	e4.7	8.7	171	28	7.0	6.4
2	e3.1	e1.6	e1.4	e1.2	e1.1	e0.96	e5.2	7.3	112	29	6.7	5.6
3	e3.1	e1.6	e1.4	e1.2	e0.99	e0.96	e5.8	7.2	89	27	6.9	5.2
4	e3.1	e1.6	e1.4	e1.2	e0.90	e0.96	e5.5	7.6	71	25	7.4	4.6
5	e3.1	e1.6	e1.4	e1.2	e0.86	e0.94	e5.3	6.6	64	23	5.9	4.3
6	e3.1	e1.4	e1.4	e1.2	e0.82	e0.94	e5.2	5.8	49	21	5.4	5.0
7	e3.2	e1.5	e1.3	e1.2	e0.74	e0.96	e5.0	5.4	31	20	5.4	6.9
8	e3.2	e1.5	e1.3	e1.2	e0.68	e0.96	e5.1	5.0	31	18	5.9	7.0
9	e3.2	e1.5	e1.3	e1.2	e0.66	e0.98	e5.5	4.7	44	18	4.8	13
10	e3.1	e1.5	e1.3	e1.2	e0.67	e0.98	e6.0	4.6	67	17	4.4	13
11	e3.0	e1.5	e1.3	e1.2	e0.67	e0.98	e6.3	4.3	83	16	4.3	15
12	e2.9	e1.5	e1.3	e1.2	e0.69	e1.2	e6.7	5.1	79	16	4.2	16
13	e2.8	e1.5	e1.3	e1.2	e0.72	e1.7	e7.3	8.2	59	15	4.0	18
14	e2.7	e1.5	e1.2	e1.2	e0.76	e1.9	e9.4	13	60	15	3.8	16
15	e2.6	e1.5	e1.2	e1.2	e0.77	e2.2	e10	20	72	15	3.6	13
16	e2.4	e1.5	e1.2	e1.2	e0.79	e2.3	7.3	24	69	15	4.7	11
17	e2.3	e1.5	e1.2	e1.2	e0.82	e2.3	6.5	35	50	15	11	9.0
18	e1.9	e1.5	e1.2	e1.2	e0.83	e2.2	6.0	42	53	14	16	8.2
19	e2.0	e1.5	e1.2	e1.2	e0.83	e1.9	4.9	41	54	14	13	7.0
20	e1.8	e1.5	e1.2	e1.2	e0.83	e1.7	4.4	39	63	14	9.2	6.0
21	e1.6	e1.5	e1.2	e1.2	e0.86	e1.7	4.4	42	60	13	7.4	5.2
22	e1.6	e1.5	e1.2	e1.2	e0.87	e1.9	4.9	49	64	12	6.7	4.6
23	e1.5	e1.5	e1.2	e1.2	e0.89	e2.4	4.9	56	55	11	6.6	4.0
24	e1.8	e1.6	e1.2	e1.2	e0.89	e3.3	5.5	68	40	10	e6.3	3.7
25	e1.8	e1.6	e1.2	e1.2	e0.89	e2.9	4.2	78	33	11	e10	3.4
26	e1.8	e1.6	e1.2	e1.2	e0.89	e2.4	5.2	76	31	13	9.7	3.1
27	e1.8	e1.6	e1.2	e1.2	e0.91	e2.4	7.0	97	32	12	9.1	2.9
28	e1.5	e1.5	e1.2	e1.2	e0.93	e1.9	8.6	140	32	9.6	10	2.7
29	e1.5	e1.5	e1.2	e1.2	---	e2.3	9.7	129	32	9.6	8.5	2.6
30	e1.5	e1.5	e1.2	e1.2	---	e3.3	10	142	29	8.2	8.3	2.4
31	e1.5	---	e1.2	e1.2	---	e4.0	---	130	---	7.2	8.0	---
TOTAL	73.6	45.7	39.2	37.2	23.46	56.45	186.5	1,301.5	1,779	491.6	224.2	224.8
MEAN	2.37	1.52	1.26	1.20	0.84	1.82	6.22	42.0	59.3	15.9	7.23	7.49
MAX	3.2	1.6	1.5	1.2	1.2	4.0	10	142	171	29	16	18
MIN	1.5	1.4	1.2	1.2	0.66	0.93	4.2	4.3	29	7.2	3.6	2.4
AC-FT	146	91	78	74	47	112	370	2,580	3,530	975	445	446
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1964 - 2003, BY WATER YEAR (WY)
MEAN	2.74	1.69	1.06	0.86	0.83	1.04	4.05	25.0	48.5	21.6	7.28	3.70
MAX	8.03	4.65	2.53	2.04	2.54	2.97	10.0	52.5	85.2	61.2	22.6	9.94
(WY)	(1986)	(1985)	(1985)	(1986)	(1986)	(1986)	(1985)	(1984)	(1978)	(1983)	(1984)	(1984)
MIN	1.01	0.84	0.63	0.45	0.30	0.32	0.86	8.09	16.7	3.54	2.13	1.12
(WY)	(1964)	(1980)	(1977)	(1967)	(1964)	(1981)	(1964)	(1995)	(2002)	(2002)	(2002)	(1975)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1964 - 2003
ANNUAL TOTAL	1,755.28	4,483.21
ANNUAL MEAN	4.81	12.3	9.88
HIGHEST ANNUAL MEAN			18.6 1984
LOWEST ANNUAL MEAN			4.77 2002
HIGHEST DAILY MEAN	45 May 31	171 Jun 1	171 Jun 1, 2003
LOWEST DAILY MEAN	e0.64 Mar 16	e0.66 Feb 9	a0.10 Feb 8, 1967
ANNUAL SEVEN-DAY MINIMUM	e0.68 Mar 15	e0.69 Feb 7	0.20 Mar 4, 1981
MAXIMUM PEAK FLOW		205 May 28	b338 Jun 8, 1985
MAXIMUM PEAK STAGE		4.11 May 28	c4.10 Jun 8, 1985
ANNUAL RUNOFF (AC-FT)	3,480	8,890	7,160
10 PERCENT EXCEEDS	12	37	32
50 PERCENT EXCEEDS	1.8	3.2	2.4
90 PERCENT EXCEEDS	0.81	0.99	0.70

e Estimated. a Also occurred Jan 30, 1970. b From rating curve extended above 82 ft3/s. c Maximum gage height, 4.26 ft, Jun 8, 1985, backwater from debris.