PINEY RIVER BASIN

09058500 PINEY RIVER BELOW PINEY LAKE NEAR MINTURN, CO

LOCATION.--Lat 39°42'29", long 106°25'34", Eagle County, Hydrologic Unit 14010001, on left bank 1.4 mi upstream from Dickson Creek, 2.0 mi downstream from Piney Lake, and 8.5 mi north of Minturn.

DRAINAGE AREA.--13.0 mi2.

PERIOD OF RECORD.--October 1947 to September 1954, 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=09058500

GAGE.--Water-stage recorder with satellite telemetry and crest-stage gage. Datum of gage is 9,145.25 ft above NGVD of 1929, levels by U.S. Bureau of Reclamation. Prior to October 1963, water-stage recorder at site 15 ft upstream at present datum.

REMARKS.--Records fair except for the period May 23 to June 12 and estimated daily discharges, which are poor. No diversions 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	11	e7.5	e4.7	e2.4	e2.3	e2.1	e2.9	28	422	88	11	8.8
2	11	e6.2	e4.7	e2.4	e2.3	e2.1	e3.1	25	243	88	10	7.3
3	11	e5.8	e4.5	e2.4	e2.3	e2.1	e3.1	24	169	84	9.7	6.8
4	12	e5.4	e4.4	e2.3	e2.3	e2.1	e3.2	24	140	78	10	6.7
5	12	e6.1	e4.3	e2.3	e2.3	e2.1	e3.1	21	123	70	9.0	6.3
6	11	e5.9	e4.3	e2.2	e2.3	e2.1	e3.0	19	115	65	8.0	8.9
7	13	e5.9	e4.2	e2.2	e2.3	e2.2	e3.1	18	92	59	7.5	14
8	15	e5.7	e4.1	e2.1	e2.3	e2.2	e3.3	18	80	54	8.3	18
9	14	e6.8	e4.0	e2.1	e2.2	e2.2	e4.2	17	91	54	7.5	27
10	12	e6.5	e4.0	e2.1	e2.2	e2.3	e4.6	16	107	50	6.8	28
11	11	e6.9	e3.8	e2.1	e2.2	e2.4	e5.2	15	120	44	6.0	31
12	9.2	e6.1	e3.7	e2.1	e2.2	e2.5	e7.1	e18	132	41	6.4	32
13	8.1	e7.2	e3.6	e2.1	e2.2	e2.6	13	e28	128	40	6.3	43
14	7.4	e6.8	e3.3	e2.1	e2.2	e2.6	26	e39	136	38	5.4	31
15	6.9	e6.5	e3.4	e2.2	e2.1	e2.7	33	e58	143	35	4.7	22
16	6.3	e6.5	e3.4	e2.2	e2.1	e2.7	e28	e86	150	36	5.8	18
17	5.8	e6.9	e3.2	e2.2	e2.1	e2.7	e27	e125	126	34	24	15
18	5.5	e6.2	e3.1	e2.3	e2.1	e2.6	24	e156	135	34	36	13
19	5.3	e6.1	e3.0	e2.3	e2.1	e2.6	20	e180	134	47	25	13
20	5.0	e5.9	e2.9	e2.3	e2.1	e2.6	17	e195	157	37	17	11
21	4.8	e5.7	e2.8	e2.3	e2.1	e2.6	17	e211	130	30	12	10
22	4.6	e5.5	e2.8	e2.3	e2.1	e2.6	20	e223	130	26	10	9.1
23	e4.8	e5.4	e2.7	e2.3	e2.1	e2.7	19	268	129	23	9.9	8.4
24	e4.7	e5.3	e2.5	e2.3	e2.1	e2.8	17	252	116	20	9.1	7.7
25	e4.4	e5.3	e2.5	e2.3	e2.1	e2.8	18	259	97	18	10	7.2
26	e4.6	e5.1	e2.5	e2.3	e2.1	e2.7	22	255	86	19	11	6.8
27	e6.3	e5.0	e2.4	e2.3	e2.1	e2.6	27	250	93	19	8.9	6.4
28	e5.8	e5.0	e2.5	e2.3	e2.1	e2.6	31	311	101	16	8.7	6.1
29	e6.1	e4.9	e2.4	e2.3	---	e2.5	32	320	103	15	7.8	5.9
30	e5.9	e4.8	e2.5	e2.3	---	e2.6	32	299	94	15	8.0	5.6
31	e6.8	---	e2.4	e2.3	---	e2.7	---	345	---	13	10	---
TOTAL	251.3	178.9	104.6	69.7	61.0	76.7	468.9	4,103	4,022	1,290	329.8	434.0
MEAN	8.11	5.96	3.37	2.25	2.18	2.47	15.6	132	134	41.6	10.6	14.5
MAX	15	7.5	4.7	2.4	2.3	2.8	33	345	422	88	36	43
MIN	4.4	4.8	2.4	2.1	2.1	2.1	2.9	15	80	13	4.7	5.6
AC-FT	498	355	207	138	121	152	930	8,140	7,980	2,560	654	861
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1948 - 2003, BY WATER YEAR (WY)
MEAN	6.28	4.09	2.83	2.25	2.04	2.59	11.5	68.6	123	55.5	14.5	7.50
MAX	15.1	8.82	6.41	4.00	4.01	5.52	23.0	132	202	146	45.3	14.8
(WY)	(1985)	(1985)	(1999)	(1952)	(1996)	(1995)	(1952)	(2003)	(1952)	(1995)	(1984)	(1984)
MIN	1.71	1.23	1.04	0.79	0.83	0.84	2.12	26.6	40.9	5.82	3.69	2.16
(WY)	(1980)	(1980)	(1980)	(1975)	(1975)	(1975)	(1973)	(1968)	(2002)	(2002)	(1954)	(1974)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1948 - 2003
ANNUAL TOTAL	4,504.7	11,389.9
ANNUAL MEAN	12.3	31.2	25.1
HIGHEST ANNUAL MEAN			41.2 1984
LOWEST ANNUAL MEAN			11.8 2002
HIGHEST DAILY MEAN	122 May 31	422 Jun 1	422 Jun 1, 2003
LOWEST DAILY MEAN	1.5 Sep 2	e2.1 Jan 8	0.40 Oct 6, 1975
ANNUAL SEVEN-DAY MINIMUM	1.5 Sep 2	e2.1 Jan 8	0.62 Mar 28, 1975
MAXIMUM PEAK FLOW		542 May 31	560 Jun 8, 1985
MAXIMUM PEAK STAGE		5.17 May 31	a5.12 Jun 8, 1985
ANNUAL RUNOFF (AC-FT)	8,940	22,590	18,210
10 PERCENT EXCEEDS	32	105	85
50 PERCENT EXCEEDS	5.0	6.7	4.9
90 PERCENT EXCEEDS	2.2	2.2	1.6

e Estimated. a Maximum gage height for period of record, 6.44 ft, Apr 13, 1977.