The National Weather Service has released its national climate summary for April, 2008. Here it is, from http://www.ncdc.noaa.gov/oa/climate/research/cag3/na.html: UNITED STATES Climate Summary April 2008 The average temperature in April 2008 was 51.0 F. This was -1.0 F cooler than the 1901-2000... Sign in to see full entry.