
This map was digitized by Pat Ferguson Spring 2001.  
The data were entered wrong but that should be corrected soon.
I want the Range Low, the Midrange, and the Range High as attribute.
I think it is the High range only.  But Pat will answer this soon.

 
The data for the map was based on annual average precipitation collected 1961-1990.  
Information based on normals NOAA.  
Iformation compiled and sponsored by George Taylor, State Climatologist, USDA-NRCS water and climate center, Portland Oregon.