June 30th 2011 saw record warmth.
Everyone knew June 30 2011 was extremely warm, preliminary data shows just how warm.
Based on the preliminary data published by the NWS office in Grand Forks the last day of June 2011 was one of the warmest days on record. Record high minimum temperatures were tied at Grand Forks and the UND/NWS climate station and a new record established for Fargo.
It was also a record warm day overall in Fargo and at the Grand Forks Airport. For June 30th 2011 the low temperature in Fargo was 76 degrees. This breaks the previous June 30th record of 74 set in 1921.
At the Grand Forks Airport the low for June 30th 2011 was 73 which ties the record previously set in 1966. The UND/NWS climate station low temperature of 74 degrees ties the previous record also set in 1966.
Obviously it was a very warm day overall. The values listed below are for informational purposes only. At this time, there are no formal records established for highest or lowest daily average temperature.
The average daily temperature at the Grand Forks airport for June 30th was 85 degrees. This breaks the previous warmest average of 82 degrees set in 1966.
The average daily temperature at Hector Field in Fargo was 87 degrees or one degree below the record. The warmest average June 30th on file is 88 degrees which occurred in 1931.
At the UND/NWS climate station the average daily temperature for June 30th was 84 degrees. This ties June 30 1966 for the 3rd warmest. The warmest June 30th was in 1921 with an average temperature that gay of 87 degrees.
Remember, these data are provisional and subject to change. The final and official records will be available from the National Climate Data Center later this year.