529 record low temperatures in April 2012 in US--NOAA, NCDC

5/11/12, "U.S. Records, National Oceanic and Atmospheric Administration, National Climatic Data Center," NOAA Satellite and Information Service

"U.S. Daily Lowest Min Temperature Records set in April 2012"

"Out of a possible 171,954 records: 324 (Broken) + 205 (Tied) = 529 Total

NOTE: These records are based on the historical daily observations archived in NCDC's Cooperative Summary of the Day data set and preliminary reports from Cooperative Observers and First Order National Weather Service stations, and as such are subject to change.

The Period of Record (POR) represents the number of years with a minimum of 50% data completeness. All stations have a Period of Record of at least 30 years." (map, chart)




via Climate Depot, Tom Nelson