EAGLE RIVER BASIN

09066150 PITKIN CREEK NEAR MINTURN, CO

LOCATION.--Lat 39°38'37", long 106°18'07", in SW14SW14 sec.1, T.5 S., R.80 W., Eagle County, Hydrologic Unit 14010003, on left bank, 100 ft downstream from Pitkin ditch headgate, 1,000 ft upstream from U.S. Highway 6, 1,200 ft upstream from mouth, 4.0 mi east of Vail, and 8 mi northeast of Minturn.

DRAINAGE AREA.--5.32 mi2.

PERIOD OF RECORD.--Annual maximum and occasional low-flow measurements, water years 1965-66. October 1966 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09066150

REVISED RECORDS.--WRD Colo. 1971: 1967-70. WDR CO-88-2: Drainage area.

GAGE.--Water-stage recorder and concrete control. Elevation of gage is 8,525 ft above NGVD of 1929, from topographic map. Oct. 1, 1964 to Sept. 30, 1966, crest-stage gage at datum 0.98 ft lower, at site 300 ft downstream.

REMARKS.--Records good except for estimated daily discharges, which are poor. 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	5.2	3.2	2.7	e2.1	e2.4	e1.9	e3.3	e16	303	36	7.0	7.3
2	5.2	3.0	e2.7	e2.1	e2.4	e1.9	e4.9	e15	224	36	6.6	6.5
3	5.7	3.3	e2.6	e2.1	e2.3	e1.8	e5.7	e14	182	34	7.0	6.1
4	5.5	3.8	e2.6	e2.1	e2.1	e1.5	e4.9	e13	151	32	7.5	5.7
5	5.4	3.8	e2.5	e2.0	e2.0	e1.4	e4.6	e15	134	30	6.3	6.6
6	5.3	3.7	e2.4	e2.0	e1.8	e1.3	e4.6	e15	117	27	5.7	7.8
7	5.7	3.5	e2.3	e1.9	e1.7	e1.3	e4.6	e14	101	25	5.9	10
8	6.0	3.0	e2.3	e1.8	e1.5	e1.3	e5.0	e13	95	24	6.3	10
9	5.8	2.8	e2.3	e1.8	e1.7	e1.3	e5.1	e13	112	23	5.5	16
10	5.3	2.9	e2.2	e1.8	e1.6	e1.3	e5.5	e13	126	21	5.2	16
11	4.8	3.0	e2.2	e2.0	e1.8	e1.3	e6.1	e13	124	20	5.1	16
12	4.3	3.0	e2.2	e2.0	e1.8	e1.0	e6.9	e12	114	18	4.9	18
13	3.9	3.0	e2.2	e2.0	e2.3	e1.4	e7.1	e13	104	18	4.6	20
14	3.6	3.0	e2.2	e2.0	e2.3	e2.2	e7.5	e14	110	17	4.4	17
15	3.4	3.0	e2.2	e2.0	e2.4	e2.9	e8.4	18	113	17	4.2	14
16	3.3	3.0	e2.1	e2.0	e2.6	e3.1	e8.4	27	105	17	5.2	13
17	3.2	3.0	e2.0	e2.1	e2.6	e2.8	e6.9	39	97	16	11	11
18	3.0	3.0	e1.9	e2.1	e2.5	e2.3	e5.8	41	92	16	16	10
19	2.9	3.0	e2.1	e2.2	e2.1	e1.7	e4.9	42	93	16	12	8.8
20	2.7	2.8	e2.0	e2.4	e1.8	e1.9	e3.7	44	88	15	9.2	7.7
21	2.6	2.5	e2.0	e2.3	e2.3	e2.5	e3.4	52	81	14	7.6	6.9
22	2.5	2.6	e2.0	e2.3	e2.4	e3.1	e4.5	64	82	e14	7.5	6.3
23	3.0	2.7	e2.0	e2.4	e2.4	e3.2	e7.2	84	76	e14	7.6	5.7
24	3.0	2.7	e2.0	e2.4	e2.4	e3.4	e5.8	108	66	12	8.8	5.3
25	2.8	3.0	e2.1	e2.4	e2.4	e3.2	e5.4	117	49	11	12	5.0
26	2.7	3.0	e2.1	e2.4	e2.3	e3.4	e6.3	116	44	12	9.8	4.9
27	3.0	3.0	e2.0	e2.4	e2.1	e3.1	e8.0	136	50	11	9.0	4.6
28	2.8	3.0	e2.0	e2.4	e2.0	e3.1	e10	170	51	9.8	9.4	4.4
29	2.6	3.0	e2.0	e2.4	---	e3.1	e13	185	49	9.9	7.6	4.3
30	2.7	2.9	e2.1	e2.4	---	e3.1	e16	186	40	8.7	8.7	4.0
31	3.1	---	e2.1	e2.4	---	e3.2	---	291	---	7.6	9.1	---
TOTAL	121.0	91.2	68.1	66.7	60.0	70.0	193.5	1,913	3,173	582.0	236.7	278.9
MEAN	3.90	3.04	2.20	2.15	2.14	2.26	6.45	61.7	106	18.8	7.64	9.30
MAX	6.0	3.8	2.7	2.4	2.6	3.4	16	291	303	36	16	20
MIN	2.5	2.5	1.9	1.8	1.5	1.0	3.3	12	40	7.6	4.2	4.0
AC-FT	240	181	135	132	119	139	384	3,790	6,290	1,150	469	553
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1967 - 2003, BY WATER YEAR (WY)
MEAN	4.05	2.56	1.81	1.46	1.36	1.51	4.26	25.8	54.2	28.6	9.39	5.20
MAX	9.43	3.84	3.28	3.84	3.94	3.85	7.77	61.7	106	94.5	31.1	11.2
(WY)	(1985)	(1982)	(1986)	(1986)	(1986)	(1985)	(2002)	(2003)	(2003)	(1984)	(1983)	(1984)
MIN	1.49	1.26	0.94	0.58	0.70	0.87	1.44	8.48	20.3	3.94	2.59	2.78
(WY)	(1967)	(1980)	(1967)	(1967)	(1981)	(1981)	(1973)	(1995)	(2002)	(2002)	(2002)	(1988)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1967 - 2003
ANNUAL TOTAL	2,207.78	6,854.1
ANNUAL MEAN	6.05	18.8	11.7
HIGHEST ANNUAL MEAN			22.7 1984
LOWEST ANNUAL MEAN			5.94 2002
HIGHEST DAILY MEAN	54 May 31	303 Jun 1	303 Jun 1, 2003
LOWEST DAILY MEAN	e0.98 Mar 20	e1.0 Mar 12	0.24 Oct 29, 1972
ANNUAL SEVEN-DAY MINIMUM	e1.0 Mar 15	e1.3 Mar 6	0.26 Oct 26, 1972
MAXIMUM PEAK FLOW		408 May 30	408 May 30, 2003
MAXIMUM PEAK STAGE		3.11 May 30	a3.11 May 30, 2003
ANNUAL RUNOFF (AC-FT)	4,380	13,600	8,480
10 PERCENT EXCEEDS	14	50	37
50 PERCENT EXCEEDS	3.0	4.6	3.3
90 PERCENT EXCEEDS	1.3	2.0	1.1

e Estimated. a Maximum gage height, 3.75 ft, Jul 13, 1995, backwater from debris.