USGS Water-Year Summary for Site 09010500

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00045 Precipitation(Sum)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Max.,Min.,Mean)
	00300 Dissolved oxygen(Max.,Min.,Mean)
	00400 pH(Max.,Min.,Med.)
	63680 Turbidity, Form Neph(Max.,Min.,Med.)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

09010500 COLORADO RIVER BELOW BAKER GULCH NEAR GRAND LAKE, CO

LOCATION - Lat 40°19'33", long 105°51'22" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.12, T.4 N., R.76 W., Grand County, CO, Hydrologic Unit 14010001, on left bank 500 ft downstream from Baker Gulch, which includes Bowen Gulch drainage basin, and 5.5 mi northwest of town of Grand Lake.

DRAINAGE AREA - 63.8 mi².

REVISIONS HISTORY - WDR-US-2011: Drainage area.

SURFACE-WATER RECORDS

PERIOD OF RECORD - May 1953 to current year.

GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 8,750 ft above NGVD of 1929, from topographic map.

REMARKS - Water year 2014; records good except for estimated daily discharges, which are poor. Water year 2015; records good except for estimated daily discharges, which are poor. Water year 2016; records good except for estimated daily discharges, which are poor. Water year 2017; records good except for estimated daily discharges, which are poor. Water year 2018; records good except for estimated daily discharges, which are poor. Water year 2019; records good except for estimated daily discharges, which are poor. Water year 2020; records good except for estimated daily discharges, which are poor. Water year 2021; records good except for estimated daily discharges, which are poor. Water year 2022; records good except for estimated daily discharges, which are poor. Water year 2023; records good except for estimated daily discharges, which are poor. Transmountain diversion upstream from station by Grand River Ditch. Prior to water year 2006, the gage location was described as being 1.0 mi upstream from Bowen Gulch. However, field inspection during Aug. 2006 found that Bowen Gulch is now a tributary to Baker Gulch.

CLIMATOLOGICAL RECORDS

PERIOD OF RECORD - May 2022 to current year (seasonal records only).

INSTRUMENTATION - Tipping-bucket rain gage with satellite telemetry. Elevation of gage is 8,750 ft above NGVD of 1929, from topographic map.

EXTREMES FOR PERIOD OF RECORD - (seasonal only) Maximum daily precipitation, 0.67 inches, May 5, 2022.

REMARKS - Gage operated seasonally, May through September.