ROARING FORK RIVER BASIN

09081600 CRYSTAL RIVER ABOVE AVALANCHE CREEK, NEAR REDSTONE, CO

LOCATION.--Lat 39°13'56", long 107°13'36", in SE14SW14 sec.33, T.9 S., R.88 W., Pitkin County, Hydrologic Unit 14010004, on right bank 1.2 mi upstream from Avalanche Creek, and 3.6 mi north of Redstone.

DRAINAGE AREA.--167 mi2.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October 1955 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09081600

GAGE.--Water-stage recorder with satellite telemetry. Elevation of gage is 6,905 ft above NGVD of 1929, from river-profile map.

REMARKS.--Records good except for estimated discharges, which are fair. A few small diversions for irrigation upstream from station.

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	111	70	56	43	38	37	60	284	2,180	603	189	89
2	101	74	51	36	38	34	66	266	2,010	613	161	86
3	111	61	50	40	38	35	65	266	1,710	578	160	85
4	106	62	47	43	35	37	62	305	1,560	550	150	85
5	107	60	51	39	35	36	60	270	1,370	513	139	83
6	100	55	47	e36	27	35	60	235	1,200	472	132	89
7	99	59	46	e38	26	35	58	221	1,060	443	128	116
8	98	61	44	37	30	39	55	220	1,020	427	132	117
9	94	83	38	38	37	42	62	215	1,120	404	124	136
10	88	71	36	45	35	43	83	204	1,150	373	121	223
11	84	65	38	44	37	45	120	192	1,090	352	119	177
12	80	57	45	41	35	48	150	218	1,200	328	121	152
13	75	64	48	36	42	53	158	296	1,210	314	126	165
14	74	61	42	41	48	58	207	362	1,160	304	127	145
15	70	59	45	40	42	60	209	531	1,220	299	123	130
16	68	52	43	32	39	61	170	660	1,240	293	124	122
17	66	57	45	41	38	58	166	868	1,050	272	144	117
18	64	56	44	31	38	57	171	1,060	995	274	135	113
19	61	53	38	37	36	53	150	973	949	262	130	106
20	59	55	33	38	35	53	138	912	917	253	115	100
21	58	55	45	40	39	56	144	954	e920	240	108	95
22	58	56	36	40	38	55	186	1,080	e940	228	107	91
23	68	58	29	40	34	58	196	1,270	e920	216	107	88
24	70	56	40	39	38	63	183	1,370	e850	210	103	86
25	65	56	42	39	40	61	190	1,420	e670	204	102	83
26	62	48	37	37	38	60	e233	1,460	647	208	97	81
27	69	42	38	38	37	61	e276	1,660	679	254	96	79
28	65	47	38	38	38	56	e312	1,970	684	199	93	77
29	67	53	41	37	---	52	e319	2,150	669	187	90	75
30	65	52	41	37	---	54	310	2,210	636	173	96	73
31	69	---	35	38	---	55	---	2,020	---	163	98	---
TOTAL	2,432	1,758	1,309	1,199	1,031	1,550	4,619	26,122	33,026	10,209	3,797	3,264
MEAN	78.5	58.6	42.2	38.7	36.8	50.0	154	843	1,101	329	122	109
MAX	111	83	56	45	48	63	319	2,210	2,180	613	189	223
MIN	58	42	29	31	26	34	55	192	636	163	90	73
AC-FT	4,820	3,490	2,600	2,380	2,040	3,070	9,160	51,810	65,510	20,250	7,530	6,470
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1956 - 2003, BY WATER YEAR (WY)
MEAN	98.1	71.9	55.5	49.0	48.6	65.9	193	762	1,255	611	197	124
MAX	223	152	95.9	85.3	89.9	184	464	1,223	2,019	1,872	640	253
(WY)	(1998)	(1987)	(1986)	(1985)	(1986)	(1986)	(1962)	(1984)	(1957)	(1957)	(1995)	(1986)
MIN	49.7	39.5	34.1	32.2	28.3	32.4	83.4	288	375	96.9	58.0	59.8
(WY)	(1978)	(1978)	(2002)	(2002)	(1964)	(1964)	(1964)	(1977)	(1977)	(1977)	(2002)	(1956)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1956 - 2003
ANNUAL TOTAL	49,614	90,316
ANNUAL MEAN	136	247	295
HIGHEST ANNUAL MEAN			468 1957
LOWEST ANNUAL MEAN			107 1977
HIGHEST DAILY MEAN	873 Jun 1	2,210 May 30	3,500 Jun 25, 1983
LOWEST DAILY MEAN	21 Jan 3	26 Feb 7	21 Jan 3, 2002
ANNUAL SEVEN-DAY MINIMUM	29 Jan 29	32 Feb 4	27 Feb 11, 1964
MAXIMUM PEAK FLOW		2,630 May 29	4,180 Jun 25, 1983
MAXIMUM PEAK STAGE		4.92 May 29	6.12 Jun 25, 1983
ANNUAL RUNOFF (AC-FT)	98,410	179,100	213,600
10 PERCENT EXCEEDS	364	914	938
50 PERCENT EXCEEDS	65	80	94
90 PERCENT EXCEEDS	34	38	43

e Estimated.