Current PRISM update package delivered on Year=2009, Month=3, Day=11
Start and end period(yyyymm): 200810 - 200902

VERSION     START_DATE  END_DATE
----------  ----------  ----------
final       1895-01-01  2008-10-31  
prelim      2008-11-01  2008-11-30  
quick       2008-12-01  2009-02-28  


Legend:
------
Final  = Grids using NCDC final COOP data
Prelim = Grids using NCDC preliminary COOP data (later replaced with Final)
Quick  = Grids using NCDC quicklook/provisional COOP data 
		(later replaced with Prelim & Final)