Current PRISM update package delivered on Year=2012, Month=12, Day=20
Start and end period(yyyymm): 201206 - 201211

DATE    VERSION
------  ----------
201206  Final
201207  Provisional
201208  Provisional
201209  Provisional
201210  Provisional
201211  Provisional


Legend:
------
Final  = Grids using NCDC final COOP data (data >= 6 months in the past)
Provisional  = Grids using NCDC quicklook/provisional COOP data (data < 6 months in the past)