BLUE RIVER BASIN

09046530 FRENCH GULCH AT BRECKENRIDGE, CO

LOCATION.--Lat. 39°29'35", long. 106°02'39", in SE14SW14, sec.30, T.6 S, R.77 W, Summit County, Hydrologic Unit 14010002, on left bank, 300 ft south of Summit Co. Rd. 450, 200 ft upstream from bridge on Hwy. 9, in Breckenridge.

DRAINAGE AREA.--10.9 mi2.

PERIOD OF RECORD.--October 1995 to current year. Daily water temperature record available, October 1996 to September 1998. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09046530

GAGE.--Water-stage recorder with satellite telemetry. Elevation of gage is 9,510 ft above NGVD of 1929, from topographic map.

REMARKS.--Records good except for estimated daily discharges, which are fair. No diversion or regulation upstream from gage. 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	3.7	2.7	2.0	1.4	1.8	1.4	2.1	6.3	106	23	8.7	6.3
2	4.1	2.5	2.1	1.4	1.7	1.4	2.3	6.3	93	22	8.3	6.0
3	4.4	2.4	2.2	1.4	1.7	1.4	2.4	6.3	81	21	8.4	6.1
4	4.2	2.3	2.2	1.4	1.6	1.4	2.2	6.6	70	21	9.4	6.3
5	3.9	2.3	2.2	1.4	1.8	1.4	2.1	6.2	63	20	8.6	5.9
6	3.8	2.2	2.2	1.3	1.8	e1.5	2.1	5.8	52	19	8.2	6.2
7	3.7	2.2	2.2	1.3	e1.8	1.5	2.0	5.9	49	18	8.0	6.6
8	3.6	2.4	2.1	1.4	e1.9	1.6	2.1	6.2	43	17	7.9	6.8
9	3.5	2.5	2.0	1.4	1.9	1.5	2.2	6.1	41	16	7.5	7.9
10	3.4	2.6	1.9	1.4	1.9	1.5	2.5	6.3	42	15	7.3	7.4
11	3.4	2.5	1.8	1.5	1.8	1.5	2.9	6.0	44	15	7.3	7.2
12	3.2	2.2	1.7	1.5	1.6	1.5	3.1	6.0	44	14	7.3	6.9
13	3.0	2.4	1.5	1.5	1.6	1.6	3.3	6.9	44	14	8.3	6.6
14	3.0	2.6	1.6	1.6	1.5	1.6	3.7	8.0	41	13	7.7	6.4
15	3.0	2.6	1.6	1.6	1.6	1.7	3.8	9.5	43	13	6.9	6.1
16	2.9	2.3	1.7	1.6	1.6	1.7	3.6	11	42	13	7.0	5.8
17	2.9	2.4	1.7	1.7	1.5	1.6	3.6	13	40	13	8.0	5.6
18	2.9	2.6	1.7	1.7	1.5	1.5	3.6	16	40	13	8.7	5.4
19	2.9	2.3	1.7	1.7	1.5	1.5	3.3	18	39	13	8.0	5.4
20	2.8	2.6	1.7	1.7	e1.5	1.7	3.2	20	38	12	7.3	5.2
21	2.8	2.6	1.7	1.7	1.5	1.6	3.4	22	36	12	6.8	5.1
22	2.8	2.5	1.6	1.7	1.5	1.7	3.6	26	35	11	6.8	4.9
23	2.7	2.5	1.7	1.8	1.5	1.8	3.6	32	33	11	6.8	4.8
24	2.7	2.5	1.7	1.8	1.5	1.9	3.2	38	32	11	6.6	4.7
25	2.6	2.4	1.6	1.8	1.5	1.8	3.7	39	30	11	6.5	4.5
26	2.6	2.0	1.6	1.8	1.4	1.8	4.4	38	27	11	6.3	4.5
27	2.6	2.2	1.6	1.9	1.4	1.9	5.0	42	26	11	6.0	4.5
28	2.6	2.2	1.4	1.9	1.3	1.9	5.5	55	25	10	5.9	4.4
29	2.6	2.1	1.4	1.8	---	2.0	6.0	68	24	10	5.7	4.3
30	2.5	2.0	1.4	1.8	---	2.0	6.4	86	23	9.6	6.3	4.2
31	2.6	---	1.4	1.8	---	2.0	---	105	---	9.1	6.7	---
TOTAL	97.4	71.6	54.9	49.7	45.2	50.9	100.9	727.4	1,346	441.7	229.2	172.0
MEAN	3.14	2.39	1.77	1.60	1.61	1.64	3.36	23.5	44.9	14.2	7.39	5.73
MAX	4.4	2.7	2.2	1.9	1.9	2.0	6.4	105	106	23	9.4	7.9
MIN	2.5	2.0	1.4	1.3	1.3	1.4	2.0	5.8	23	9.1	5.7	4.2
AC-FT	193	142	109	99	90	101	200	1,440	2,670	876	455	341
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1996 - 2003, BY WATER YEAR (WY)
MEAN	4.38	3.02	2.33	1.85	1.75	1.82	3.33	20.2	42.2	16.8	8.59	5.78
MAX	5.15	3.78	2.74	2.10	2.04	2.09	4.07	38.8	75.0	27.3	12.4	7.05
(WY)	(1996)	(1999)	(1996)	(1998)	(1996)	(1997)	(1997)	(1996)	(1997)	(1999)	(1997)	(1999)
MIN	3.14	2.39	1.77	1.60	1.54	1.41	2.48	6.76	8.97	4.14	4.64	3.56
(WY)	(2003)	(2003)	(2003)	(2003)	(2002)	(2002)	(1998)	(2002)	(2002)	(2002)	(2002)	(2002)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1996 - 2003
ANNUAL TOTAL	1,309.3	3,386.9
ANNUAL MEAN	3.59	9.28	9.35
HIGHEST ANNUAL MEAN			13.0 1997
LOWEST ANNUAL MEAN			3.67 2002
HIGHEST DAILY MEAN	16 Jun 1	106 Jun 1	115 Jun 5, 1997
LOWEST DAILY MEAN	1.2 Feb 23	1.3 Jan 6	1.2 Feb 23, 2002
ANNUAL SEVEN-DAY MINIMUM	1.3 Feb 20	1.4 Jan 1	1.3 Feb 20, 2002
MAXIMUM PEAK FLOW		115 May 31	124 Jun 5, 1997
MAXIMUM PEAK STAGE		6.99 May 31	7.09 Jun 5, 1997
ANNUAL RUNOFF (AC-FT)	2,600	6,720	6,770
10 PERCENT EXCEEDS	7.3	26	24
50 PERCENT EXCEEDS	3.0	3.2	3.7
90 PERCENT EXCEEDS	1.5	1.5	1.7

e Estimated.