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 (20th century) average, the 29th coolest April in 114 years. The temperature trend for the period of record (1895 to present) is 0.1 degrees Fahrenheit per decade.

Can’t get much more official than this:

http://www.ncdc.noaa.gov/oa/climate/research/cag3/na.html

 Thanks to Joseph E Rubenstein for this link