Current PRISM update package delivered on Year=2010, Month=4, Day=13
Start and end period(yyyymm): 200911 - 201003

VERSION     START_DATE  END_DATE
----------  ----------  ----------
final       1895-01-01  2009-11-30  
prelim      2009-12-01  2009-12-31  
quick       2010-01-01  2010-03-31  


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)