BLUE RIVER BASIN

09046490 BLUE RIVER AT BLUE RIVER, CO

LOCATION.--Lat 39°27'21", long 106°01'52", in NE14SE14 sec.7, T.7 S., R.77 W., Summit County, Hydrologic Unit 14010002 on left bank, 350 ft downstream from spillway of Goose Pasture Tarn Dam and 2.0 mi southeast of Breckenridge.

DRAINAGE AREA.--42.4 mi2 .

PERIOD OF RECORD.--October 1983 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09046490

REVISED RECORDS.--WDR CO-95-2: Drainage area.

GAGE.--Water-stage recorder with satellite telemetry and concrete control. Elevation of gage is 9,835 ft above NGVD of 1929, from topographic map.

REMARKS.--No estimated daily discharges. Records good. Transmountain diversions upstream from station by Boreas Pass ditch and Hoosier Pass tunnel. 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	15	22	10	2.5	2.4	1.8	3.8	20	213	100	43	33
2	17	21	10	2.6	2.4	1.8	3.9	19	186	102	40	28
3	19	21	10	2.6	2.3	1.9	3.8	18	167	113	40	27
4	17	20	10	2.7	2.0	1.9	3.9	21	151	116	49	27
5	16	20	9.7	5.5	1.9	1.9	3.6	18	145	113	44	24
6	15	19	9.9	6.5	1.9	1.8	4.0	15	125	104	39	26
7	15	20	10	6.4	1.9	1.8	4.1	16	124	93	36	30
8	15	21	10	6.4	1.8	1.8	4.0	19	109	87	34	33
9	15	24	10	6.4	1.8	1.7	3.9	18	100	84	35	41
10	16	21	10	4.3	1.9	1.8	4.2	20	98	59	35	44
11	13	20	10	2.9	1.9	1.7	4.6	18	98	85	36	41
12	13	16	10	2.3	2.0	1.8	5.0	23	131	89	34	37
13	24	13	11	2.1	2.0	1.8	5.1	35	107	87	31	31
14	22	16	11	2.3	1.9	1.8	6.3	41	104	87	31	27
15	21	16	11	2.9	1.8	1.8	7.7	57	133	82	48	25
16	21	14	10	2.8	1.8	2.1	7.8	61	141	83	41	24
17	21	13	9.7	2.9	1.9	2.3	7.2	84	126	90	33	21
18	21	14	9.6	2.9	2.0	3.9	7.3	95	127	96	45	20
19	21	14	8.8	2.9	2.0	4.5	6.6	96	142	94	41	20
20	20	14	6.7	3.0	2.1	3.4	6.4	90	143	87	32	18
21	20	15	4.6	2.6	1.9	3.8	6.6	90	137	80	22	18
22	20	15	3.7	2.0	1.9	3.3	7.4	79	128	68	16	17
23	21	14	3.7	2.1	1.9	3.1	9.1	89	125	32	18	17
24	21	14	3.7	4.8	4.0	3.3	10	104	120	55	24	17
25	20	15	3.8	2.2	3.2	3.5	7.5	123	113	60	33	17
26	20	11	3.1	1.7	2.0	3.3	9.3	123	102	58	40	16
27	22	12	2.7	1.8	2.0	4.2	12	130	99	57	34	15
28	21	13	2.6	2.0	2.0	3.5	15	155	95	59	31	15
29	22	11	2.5	1.5	---	3.0	18	177	99	56	28	15
30	20	10	2.6	1.8	---	3.6	21	221	101	53	32	14
31	22	---	2.6	2.4	---	3.5	---	201	---	46	38	---
TOTAL	586	489	233.0	97.8	58.6	81.4	219.1	2,276	3,789	2,475	1,083	738
MEAN	18.9	16.3	7.52	3.15	2.09	2.63	7.30	73.4	126	79.8	34.9	24.6
MAX	24	24	11	6.5	4.0	4.5	21	221	213	116	49	44
MIN	13	10	2.5	1.5	1.8	1.7	3.6	15	95	32	16	14
AC-FT	1,160	970	462	194	116	161	435	4,510	7,520	4,910	2,150	1,460
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1984 - 2003, BY WATER YEAR (WY)
MEAN	19.0	13.4	9.70	6.67	5.27	5.03	11.1	59.9	119	84.1	43.2	25.8
MAX	32.2	26.5	18.9	14.3	8.11	8.31	21.9	128	276	327	120	44.3
(WY)	(1985)	(1985)	(1985)	(1985)	(1985)	(2000)	(1989)	(1996)	(1995)	(1995)	(1995)	(1984)
MIN	13.5	8.62	6.96	3.15	2.09	2.63	5.53	12.5	11.7	13.9	11.5	10.6
(WY)	(1992)	(1992)	(1995)	(2003)	(2003)	(2003)	(1993)	(2002)	(2002)	(2002)	(2002)	(2002)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1984 - 2003
ANNUAL TOTAL	3,854.9	12,125.9
ANNUAL MEAN	10.6	33.2	33.6
HIGHEST ANNUAL MEAN			70.4 1995
LOWEST ANNUAL MEAN			10.1 2002
HIGHEST DAILY MEAN	28 Aug 6	221 May 30	578 Jul 12, 1995
LOWEST DAILY MEAN	2.5 Dec 29	1.5 Jan 29	1.5 Jan 29, 2003
ANNUAL SEVEN-DAY MINIMUM	2.8 Mar 25	1.8 Mar 6	1.8 Mar 6, 2003
MAXIMUM PEAK FLOW		249 May 30	681 Jun 18, 1995
MAXIMUM PEAK STAGE		2.21 May 30	3.23 Jun 18, 1995
ANNUAL RUNOFF (AC-FT)	7,650	24,050	24,340
10 PERCENT EXCEEDS	19	101	88
50 PERCENT EXCEEDS	10	16	14
90 PERCENT EXCEEDS	3.7	2.0	4.7