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

<div class="ubbcode-block"><div class="ubbcode-header">Quote:</div><div class="ubbcode-body">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.</div></div>