GUNNISON RIVER BASIN

09112200 EAST RIVER BELOW CEMENT CREEK NEAR CRESTED BUTTE, CO

LOCATION.--Lat 38°47'03", long 106°52'13", in NE14NE14 sec.3, T.15 S., R.85 W., Gunnison County, Hydrologic Unit 14020001, on left bank 11 ft downstream from bridge on State Highway 135, 1.6 mi downstream from Cement Creek, and 8.5 mi southeast of Crested Butte.

DRAINAGE AREA.--238 mi2.

WATER-DISCHARGE RECORDS

PERIOD OF RECORD.--October 1963 to September 1972, October 1979 to September 1981, October 1993 to current year. For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09112200

GAGE.--Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 8,440 ft above NGVD of 1929, from topographic map. Prior to Oct. 1993, water-stage recorder 0.5 mi upstream, at different datum.

REMARKS.--Records fair except for estimated daily discharges, which are poor. Diversions for irrigation of about 4,500 acres upstream and downstream 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	137	87	e62	e47	e42	e42	72	468	2,490	483	188	101
2	119	90	e61	e43	e43	e40	81	432	2,190	476	179	96
3	114	74	e62	e46	e42	e41	81	415	1,930	412	191	94
4	112	75	e60	e47	e40	e42	79	442	1,770	386	184	98
5	105	75	e61	e45	e39	e41	76	387	1,550	357	162	95
6	99	68	e59	e44	e35	e40	75	319	1,370	331	152	100
7	96	72	e57	e42	e32	e42	71	283	1,220	307	150	112
8	95	85	e56	e44	e38	e46	64	277	1,110	292	146	119
9	92	83	e50	e47	e42	e49	73	255	1,160	277	136	145
10	90	e78	e42	e48	e42	e48	89	223	1,160	256	136	252
11	87	e77	e48	e48	e48	e51	115	209	1,140	228	142	199
12	82	e74	e51	e46	e53	e55	152	236	1,130	191	144	163
13	78	e95	e52	e45	e57	e59	194	312	1,080	169	143	187
14	77	e76	e46	e47	e61	e62	274	392	1,000	167	144	168
15	74	e69	e48	e46	e54	e65	302	658	1,010	168	130	153
16	73	e62	e46	e44	e50	e67	253	759	1,020	168	131	147
17	70	e64	e48	e45	e47	e67	253	1,120	869	157	145	143
18	69	e62	e47	e42	e48	e64	245	1,280	836	160	133	135
19	67	e58	e43	e42	e44	59	220	1,230	799	160	125	129
20	66	e60	e40	e43	e42	53	235	1,190	741	161	114	123
21	65	e62	e49	e44	e44	62	263	1,300	687	227	110	116
22	65	e63	e41	e44	e43	55	292	1,450	695	261	113	104
23	74	e65	e35	e44	e40	62	289	1,670	688	242	120	101
24	76	e63	e44	e44	e43	67	247	1,880	645	247	116	97
25	71	e62	e45	e43	e45	62	270	2,030	563	217	116	94
26	73	e55	e42	e42	e45	63	367	1,870	545	214	131	90
27	83	e48	e41	e42	e43	63	469	2,190	545	223	116	86
28	80	e55	e41	e42	e43	61	542	2,420	539	210	116	82
29	80	e60	e45	e42	---	61	551	2,480	516	218	111	79
30	74	e58	e44	e42	---	e61	524	2,490	508	186	109	77
31	82	---	e41	e42	---	e68	---	2,390	---	163	110	---
TOTAL	2,625	2,075	1,507	1,372	1,245	1,718	6,818	33,057	31,506	7,714	4,243	3,685
MEAN	84.7	69.2	48.6	44.3	44.5	55.4	227	1,066	1,050	249	137	123
MAX	137	95	62	48	61	68	551	2,490	2,490	483	191	252
MIN	65	48	35	42	32	40	64	209	508	157	109	77
AC-FT	5,210	4,120	2,990	2,720	2,470	3,410	13,520	65,570	62,490	15,300	8,420	7,310
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1964 - 2003, BY WATER YEAR (WY)
MEAN	113	88.0	68.4	60.6	57.0	68.5	241	1,004	1,263	524	202	134
MAX	188	125	96.2	83.2	76.0	113	404	1,606	2,450	1,796	609	271
(WY)	(1966)	(1998)	(1966)	(1971)	(1971)	(1999)	(1971)	(1996)	(1995)	(1995)	(1995)	(1965)
MIN	58.5	62.4	48.6	43.8	42.7	43.5	77.0	406	309	102	63.5	64.3
(WY)	(1964)	(1964)	(2003)	(1995)	(1964)	(1964)	(1964)	(1981)	(2002)	(2002)	(2002)	(1994)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1964 - 2003
ANNUAL TOTAL	50,640	97,565
ANNUAL MEAN	139	267	319
HIGHEST ANNUAL MEAN			531 1995
LOWEST ANNUAL MEAN			140 2002
HIGHEST DAILY MEAN	730 Jun 1	2,490 May 30	3,610 Jun 17, 1995
LOWEST DAILY MEAN	e35 Dec 23	e32 Feb 7	e32 Feb 7, 2003
ANNUAL SEVEN-DAY MINIMUM	e41 Dec 22	e38 Feb 3	38 Feb 3, 2003
MAXIMUM PEAK FLOW		2,870 May 30	4,350 Jun 18, 1995
MAXIMUM PEAK STAGE		4.53 May 30	a5.06 Jun 18, 1995
ANNUAL RUNOFF (AC-FT)	100,400	193,500	231,300
10 PERCENT EXCEEDS	366	713	987
50 PERCENT EXCEEDS	73	87	104
90 PERCENT EXCEEDS	46	43	54

e Estimated. a Maximum gage height for period of record, 8.30 ft, Jun 12, 1980, from floodmarks, site and datum then in use.