Global average is based on HADCRUT4 dataset (combined land and SST values). Data has been updated to V4 from V2.
Time Interval: Monthly
Time Coverage: 1856 to 2013
Update Status: Periodically updated
Data is from CRU via the page http://www.cru.uea.ac.uk/cru/data/temperature/.
This page hosted by:
NOAA ESRL Physical Sciences Laboratory
Document maintained by Cathy Smith (firstname.lastname@example.org)
Updated: Apr 23, 2013 15:47:57 MDT