Mean Monthly and Annual Maximum, Minimum, and Mean Temperature
Alaska

Statistic: 30-year average daily maximum, minimum, and mean temperature  
Time period: 1961-1990
Time interval: monthly
Spatial format: grid
Data format: ARC/Info ASCII GRID

 Projection: Albers Equal Area
Spatial resolution: 2 kilometers
Spatial Extent: Alaska
Units: Tenths of degrees Celsius
Date created: November 2002
Methods: The PRISM modeling system and Gaussian filter resolution enhancement. See FGDC-compliant metadata for details: maximum, minimum, mean. 

Examples 
January Mean Minimum
Temperature, entire region
July Mean Maximum Temperature, Katmai Area
Features
  • Reviewed and approved by the USDA NRCS and the US National Climatic Data Center
  • Incorporates topographic effects on temperature
  • Includes coastal and lake effects on temperature
  • Accounts for arctic temperature inversions, and inversions on coasts and in inland valleys
  • Uses upper-air temperature data to capture high-elevation patterns
  • Consistent treatment and spatial quality control of station data
  • Data format allows for easy import into ESRI's GIS products, as well as MAPINFO and Intergraph's GeoMedia

Data used in analysis

  • 406 Stations
  • 278 National Weather Service stations
  • 10 USDA Natural Resources Conservation Service SnoTel stations
  • 28 USFS/BLM Remote Automatic Weather Stations
  • 50 Upper-air "stations" from the Gridded Global Upper-Air Statistics dataset
  • 50 Canadian stations
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