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Water Resources Data System
Dept 3943
1000 E. University Ave.
Laramie, WY 82071

wrds@uwyo.edu
Ph (307) 766-6651
Fax (307) 766-3785

At 10:37a, 7/18/18
Temperature 74.4°F
Wind 15.0 mph


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Water Year Data


The Water Year (or Hydrologic Year) is most often defined as the period from 01 October to 30 September of the following year. It is called by the calendar year in which it ends. Thus, Water Year 2009 is the 12-month period beginning 01 October 2008 and ending 30 September 2009. The period is chosen so as to encompass a full cycle of accumulation (mostly in the form of snowpack in the West) and use (irrigation, etc).

Precipitation

  • 2011 Water Year Precipitation (NWS COOP Stations)
  • 2010 Water Year Precipitation (NWS COOP Stations)
  • 2009 Water Year Precipitation (NWS COOP Stations)
  • 2008 Water Year Precipitation (NWS COOP Stations)
  • 2007 Water Year Precipitation (NWS COOP Stations)
  • 2006 Water Year Precipitation (NWS COOP Stations)
  • 2005 Water Year Precipitation (NWS COOP Stations)
  • 2004 Water Year Precipitation (NWS COOP Stations)
  • 2003 Water Year Precipitation (NWS COOP Stations)