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 (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.
2.39 inches of precipitation fell in April. This was -0.04 inches less
than the 1901-2000 average, the 54th driest such month on record. The
precipitation trend for the period of record (1895 to present) is 0.01
inches per decade.
