GUNNISON RIVER BASIN

09135950 NORTH FORK GUNNISON RIVER BELOW LEROUX CREEK, NEAR HOTCHKISS, CO

LOCATION.--Lat 38°47'18", long 107°44'21", in SW14SW14 sec.36, T.14 S., R.93 W., Delta County, Hydrologic Unit 14020004, on left bank 0.7 mi downstream from Leroux Creek, and 1 mi southwest of Hotchkiss.

DRAINAGE AREA.--922 mi2.

PERIOD OF RECORD.--July 1997 to current year (seasonal records only). For a complete listing of historical data available for this site, see http://waterdata.usgs.gov/co/nwis/inventory/?site_no=09135950

GAGE.--Water-stage recorder with satellite telemetry. Elevation of gage is 5,240 ft above NGVD of 1929, from topographic map.

REMARKS.--No estimated daily discharges. Records good. Natural flow of stream affected by diversions for irrigation of about 44,000 acres upstream from station, storage in Overland Reservoir, capacity, 6,280 acre-ft, and storage in Paonia Reservoir (capacity, 18,300 acre-ft). 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.

EXTREMES FOR PERIOD OF RECORD (seasonal only).--Maximum discharge, 3,220 ft3/s, May 24, 1999, gage height, 11.34, minimum daily, 21 ft3/s, Aug. 17, 2002.

EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge 3,230 ft3/s (discharge measurement), June 11, 1997, gage height, 11.82 ft.

EXTREMES FOR CURRENT YEAR (seasonal only).--Maximum discharge during period of operation, 521 ft3/s, Sept. 10, gage height, 9.35 ft; minimum daily, 30 ft3/s, July 10.

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	123	---	---	---	---	---	---	---	---	147	49	64
2	116	---	---	---	---	---	---	---	---	126	55	61
3	201	---	---	---	---	---	---	---	---	150	53	57
4	153	---	---	---	---	---	---	---	---	93	57	58
5	131	---	---	---	---	---	---	---	---	73	54	59
6	124	---	---	---	---	---	---	---	---	63	50	86
7	121	---	---	---	---	---	---	---	---	57	51	104
8	114	---	---	---	---	---	---	---	---	47	53	121
9	112	---	---	---	---	---	---	---	---	35	51	151
10	107	---	---	---	---	---	---	---	---	30	49	411
11	100	---	---	---	---	---	---	---	---	35	51	384
12	96	---	---	---	---	---	---	---	---	43	50	276
13	93	---	---	---	---	---	---	---	---	37	51	270
14	90	---	---	---	---	---	---	---	---	39	66	259
15	86	---	---	---	---	---	---	---	---	35	56	220
16	88	---	---	---	---	---	---	---	---	36	54	165
17	87	---	---	---	---	---	---	---	---	56	56	147
18	92	---	---	---	---	---	---	---	---	56	56	134
19	90	---	---	---	---	---	---	---	---	56	52	132
20	87	---	---	---	---	---	---	---	---	56	52	132
21	85	---	---	---	---	---	---	---	---	54	52	120
22	84	---	---	---	---	---	---	---	---	45	56	110
23	107	---	---	---	---	---	---	---	---	61	66	98
24	131	---	---	---	---	---	---	---	---	53	83	90
25	129	---	---	---	---	---	---	---	---	49	66	88
26	113	---	---	---	---	---	---	---	---	47	61	96
27	136	---	---	---	---	---	---	---	---	50	60	81
28	136	---	---	---	---	---	---	---	---	62	62	77
29	143	---	---	---	---	---	---	---	---	53	61	93
30	123	---	---	---	---	---	---	---	---	57	61	91
31	119	---	---	---	---	---	---	---	---	50	61	---
TOTAL	3,517	---	---	---	---	---	---	---	---	1,851	1,755	4,235
MEAN	113	---	---	---	---	---	---	---	---	59.7	56.6	141
MAX	201	---	---	---	---	---	---	---	---	150	83	411
MIN	84	---	---	---	---	---	---	---	---	30	49	57
AC-FT	6,980	---	---	---	---	---	---	---	---	3,670	3,480	8,400