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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
400912106031201 DROWSY WATER PRECIPITATION STATION NEAR GRANBY, CO
LOCATION - Lat 40°09'11.89", long 106°03'12.38" referenced to North American Datum of 1983, in sec.07, T.2 N., R.77 W., Grand County, CO, Hydrologic Unit 14010001,
SURFACE-WATER RECORDS
COOPERATION - Grand County.
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 8,885 feet above NAVD of 1988, from digital map.
EXTREMES FOR PERIOD OF RECORD - (seasonal only) Maximum daily precipitation, 1.07 inches, Aug. 20, 2022.
REMARKS - Gage operated seasonally, May through September.
