Current PRISM update package delivered on Year=2009, Month=4, Day=14
Start and end period(yyyymm): 200811 - 200903

VERSION     START_DATE  END_DATE
----------  ----------  ----------
final       1895-01-01  2008-11-30  
prelim                              
quick       2008-12-01  2009-03-31  


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)