ROARING FORK RIVER BASIN

09080400 FRYINGPAN RIVER NEAR RUEDI, CO

LOCATION.--Lat 39°21'56", long 106°49'30", in SE14SE14 sec.12, T.8 S., R.85 W., Pitkin County, Hydrologic Unit 14010004, on right bank 0.4 mi downstream from Rocky Fork Creek and Ruedi Dam, 1.5 mi west of former site of Ruedi, and 12.5 mi east of Basalt.

DRAINAGE AREA.--238 mi2.

PERIOD OF RECORD.--October 1964 to current year. Statistical summary computed for 1969 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09080400

GAGE.--Water-stage recorder with satellite telemetry and concrete control. Datum of gage is 7,473.25 ft above NGVD of 1929, (levels by U.S. Bureau of Reclamation). Prior to Nov. 7, 1970, at site 2.0 mi downstream at different datum.

REMARKS.--No estimated daily discharges. Records good. Diversions for irrigation of hay meadows upstream from station. Transmountain diversions upstream from station to Arkansas River basin through Busk-Ivanhoe Tunnel since June 1925 and Charles H. Boustead Tunnel since May 16, 1972 (see elsewhere in this report). Flow regulated by Ruedi Reservoir (station 09080190) since May 18, 1968. Several observations 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	94	51	42	41	40	41	41	65	140	116	129	239
2	94	43	42	41	40	41	41	115	134	118	130	239
3	94	42	42	41	40	41	42	116	111	118	130	315
4	94	42	42	41	40	41	41	116	108	118	131	288
5	94	42	42	41	40	41	41	116	117	118	130	301
6	94	42	42	41	40	41	41	116	111	118	135	293
7	94	42	42	41	40	41	41	113	107	117	163	293
8	95	42	42	41	40	41	41	110	104	116	178	254
9	94	43	41	41	40	41	41	110	102	116	221	175
10	89	42	41	41	40	41	41	109	102	116	220	137
11	71	42	41	41	40	41	42	109	108	116	220	136
12	71	42	41	41	40	41	73	109	114	116	228	136
13	71	42	41	41	40	41	88	109	117	116	247	139
14	70	42	41	41	40	41	63	109	113	116	242	139
15	71	42	41	41	40	41	42	109	111	115	242	139
16	70	42	41	41	40	41	42	111	109	116	242	139
17	70	42	41	41	40	41	42	114	109	116	242	150
18	67	42	41	41	41	41	42	119	109	116	242	219
19	53	42	41	41	40	41	43	124	110	116	242	231
20	52	42	41	41	40	41	42	130	117	116	241	231
21	52	42	41	41	41	41	43	131	119	116	241	231
22	52	42	41	41	41	41	43	134	117	116	242	230
23	52	42	41	41	41	41	44	144	115	116	242	229
24	52	42	41	41	41	42	44	148	114	116	242	229
25	52	42	41	41	41	42	45	149	112	146	242	229
26	52	42	41	40	41	42	45	150	111	277	242	228
27	52	42	41	40	41	42	44	140	110	329	242	228
28	52	42	41	40	41	41	44	114	109	275	242	228
29	52	42	41	40	---	41	45	121	109	120	241	228
30	52	42	41	40	---	41	45	128	110	102	239	228
31	52	---	41	40	---	41	---	129	---	108	238	---
TOTAL	2,174	1,271	1,279	1,265	1,129	1,275	1,372	3,717	3,379	4,151	6,608	6,481
MEAN	70.1	42.4	41.3	40.8	40.3	41.1	45.7	120	113	134	213	216
MAX	95	51	42	41	41	42	88	150	140	329	247	315
MIN	52	42	41	40	40	41	41	65	102	102	129	136
AC-FT	4,310	2,520	2,540	2,510	2,240	2,530	2,720	7,370	6,700	8,230	13,110	12,860
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1969 - 2003, BY WATER YEAR (WY)
MEAN	151	122	129	126	128	137	157	262	352	261	172	155
MAX	366	185	224	228	250	280	370	669	950	812	293	262
(WY)	(1970)	(1985)	(1996)	(1996)	(1996)	(1996)	(1971)	(1970)	(1984)	(1995)	(2000)	(2001)
MIN	54.8	42.4	38.2	36.8	36.3	33.6	39.1	116	113	95.9	57.1	49.1
(WY)	(1978)	(2003)	(1969)	(1969)	(1969)	(1977)	(1969)	(1990)	(2003)	(1977)	(1977)	(1977)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1969 - 2003
ANNUAL TOTAL	39,084	34,101
ANNUAL MEAN	107	93.4	a180
HIGHEST ANNUAL MEAN			288 1984
LOWEST ANNUAL MEAN			83.9 1977
HIGHEST DAILY MEAN	322 Aug 27	329 Jul 27	1,390 Jun 25, 1983
LOWEST DAILY MEAN	41 Dec 9	40 Jan 26	b28 Nov 14, 1995
ANNUAL SEVEN-DAY MINIMUM	41 Dec 9	40 Jan 26	29 Mar 5, 1981
MAXIMUM PEAK FLOW		710 Sep 3	c1,400 Sep 16, 1976
MAXIMUM PEAK STAGE		2.96 Sep 3	d3.50 Sep 16, 1976
ANNUAL RUNOFF (AC-FT)	77,520	67,640	130,100
10 PERCENT EXCEEDS	211	229	295
50 PERCENT EXCEEDS	67	52	152
90 PERCENT EXCEEDS	42	41	73

a Subsequent to completion of Ruedi Reservoir. b Minimum daily discharge for period of record, 16 ft3/s, Feb 2, 1968 (result of storage in Ruedi Reservoir); minimum daily discharge prior to construction of Ruedi Reservoir, 28 ft3/s, Mar 4, 1966. c Maximum discharge and stage for period of record, 2,690 ft3/s, Jun 18, 1965, gage height 5.16 ft, site and datum then in use. d Maximum gage height for statistical period, 3.89 ft, Jun 24, 1983.