GUNNISON RIVER BASIN

09110000 TAYLOR RIVER AT ALMONT, CO

LOCATION.--Lat 38°39'52", long 106°50'41", in NW14SE14 sec.22, T.51 N., R.1 E., Gunnison County, Hydrologic Unit 14020001, on left bank at Almont, 15 ft downstream from bridge on State Highway 306, and 800 ft upstream from confluence with East River.

DRAINAGE AREA.--477 mi2.

PERIOD OF RECORD.--July 1910 to current year. Monthly discharge only for some periods, published in WSP 1313. Water-quality data available, October 1993 to September 2000. For a complete listing of historical data available for this site, see http:// waterdata.usgs.gov/co/nwis/inventory/?site_no=09110000

REVISED RECORDS.--WSP 1213: 1911. WSP 1924: Drainage area.

GAGE.--Water-stage recorder with satellite telemetry and crest-stage gage. Datum of gage is 8,010.76 ft above NGVD of 1929. Prior to Apr. 16, 1922, nonrecording gage at same site and datum.

REMARKS.--Records good except for estimated daily discharges, which are poor. Flow partly regulated since September 1937 by Taylor Park Reservoir (station 09108500), 24 mi upstream from station. Diversions for irrigation of about 360 acres upstream from station. Several measurements of specific conductance and water temperature were obtained and published are 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	140	99	e94	e88	e85	e83	97	176	704	368	324	242
2	139	99	e93	e87	e86	e84	100	203	638	366	320	241
3	141	e95	e91	e87	e85	e86	98	234	619	359	317	244
4	137	e94	e91	e88	e84	e88	97	245	580	365	315	246
5	137	e92	e91	e87	e83	e90	97	249	547	358	310	241
6	136	e90	e91	e88	e81	e95	98	241	498	357	308	219
7	130	e91	e90	e87	e82	e101	95	240	466	354	305	221
8	111	e96	e89	e87	e82	e100	98	240	439	345	306	196
9	113	e103	e89	e87	e85	e98	101	232	443	344	305	180
10	119	e95	e89	e87	e86	e101	105	234	448	342	295	227
11	118	e94	e89	e87	e86	83	150	229	440	340	290	201
12	118	e95	e89	e87	e86	84	198	231	465	338	296	180
13	116	e97	e89	e86	e86	86	156	230	476	351	298	179
14	115	e95	e90	e85	e84	86	121	229	472	350	291	169
15	111	e94	e90	e85	e84	87	120	259	456	346	276	157
16	98	e90	e90	e85	e84	88	112	283	456	345	245	148
17	98	e94	e91	e84	e85	88	114	313	445	345	245	144
18	97	e95	e90	e84	e84	88	115	342	437	343	249	143
19	97	e97	e91	e84	e83	86	110	378	426	342	253	140
20	96	e97	e92	e84	e85	87	107	363	444	339	244	132
21	96	e98	e91	e84	e83	90	112	374	418	343	242	133
22	96	e99	e92	e85	e82	89	123	413	403	340	242	135
23	99	e99	e90	e85	e83	91	124	465	392	339	244	136
24	101	e98	e91	e83	e82	92	115	519	386	337	248	139
25	101	e96	e91	e84	e83	92	116	553	378	329	250	139
26	99	e96	e92	e87	e82	92	137	535	370	327	248	135
27	100	e96	e87	e89	e83	94	166	565	371	327	251	134
28	100	e95	e90	e90	e82	e107	173	640	373	333	257	135
29	100	e96	e87	e85	---	e109	175	699	369	332	257	135
30	98	e95	e87	e85	---	e102	178	732	368	323	254	134
31	100	---	e87	e85	---	92.0	---	701	---	319	247	---
TOTAL	3,457	2,870	2,794	2,666	2,346	2,839.0	3,708	11,347	13,727	10,646	8,532	5,205
MEAN	112	95.7	90.1	86.0	83.8	91.6	124	366	458	343	275	174
MAX	141	103	94	90	86	109	198	732	704	368	324	246
MIN	96	90	87	83	81	83	95	176	368	319	242	132
AC-FT	6,860	5,690	5,540	5,290	4,650	5,630	7,350	22,510	27,230	21,120	16,920	10,320
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1910 - 2003, BY WATER YEAR (WY)
MEAN	243	155	122	111	110	133	245	595	909	567	411	387
MAX	699	518	424	240	288	456	784	1,485	2,419	1,975	707	855
(WY)	(1969)	(1968)	(1966)	(1966)	(1971)	(1985)	(1970)	(1936)	(1914)	(1957)	(1960)	(1956)
MIN	60.3	53.3	39.8	40.8	35.2	34.6	55.8	129	109	168	83.2	91.6
(WY)	(1938)	(1938)	(1963)	(1941)	(1941)	(1938)	(1941)	(1940)	(1940)	(1931)	(1913)	(1937)

SUMMARY STATISTICS	FOR 2002 CALENDAR YEAR	FOR 2003 WATER YEAR	WATER YEARS 1910 - 2003
ANNUAL TOTAL	59,572	70,137.0
ANNUAL MEAN	163	192	333
HIGHEST ANNUAL MEAN			550 1995
LOWEST ANNUAL MEAN			155 1977
HIGHEST DAILY MEAN	307 Jun 26	732 May 30	3,600 Jun 9, 1920
LOWEST DAILY MEAN	e87 Dec 27	e81 Feb 6	a24 Mar 12, 1938
ANNUAL SEVEN-DAY MINIMUM	e89 Dec 25	e82 Feb 22	27 Feb 19, 1941
MAXIMUM PEAK FLOW		787 May 31	b3,760 Jun 9, 1920
MAXIMUM PEAK STAGE		2.98 May 31	c5.00 Jun 9, 1920
ANNUAL RUNOFF (AC-FT)	118,200	139,100	241,500
10 PERCENT EXCEEDS	275	376	729
50 PERCENT EXCEEDS	139	112	195
90 PERCENT EXCEEDS	94	85	85

e Estimated. a Minimum discharge observed for period of record, before storage began in Taylor Park Reservoir, 50 ft3/s for several days in Aug 1913, gage height, 1.2 ft. b From rating curve extended above 2,300 ft3/s. c Maximum gage height, 5.32 ft, Jul 1, 1957.