The following information includes observed average precipitation and temperature for the 10 climate regions across Pennsylvania on a monthly basis for the period 1899 through present. Regional snowfall data is now available for the period 1950 through 2004. Refer to the above map to determine each region's approximate boundary.

Region 1 Average Precipitation Average Snowfall (yearly basis) Average Snowfall (seasonal basis) Average Temperature Yearly/Seasonal Summaries Mean Precipitation & Departure from Mean Mean Snowfall & Departure from Mean Mean Temperature & Departure from Mean	Region 2 Average Precipitation Average Snowfall (yearly basis) Average Snowfall (seasonal basis) Average Temperature Yearly/Seasonal Summaries Mean Precipitation & Departure from Mean Mean Snowfall & Departure from Mean Mean Temperature & Departure from Mean
Region 3 Average Precipitation Average Snowfall (yearly basis) Average Snowfall (seasonal basis) Average Temperature Yearly/Seasonal Summaries Mean Precipitation & Departure from Mean Mean Snowfall & Departure from Mean Mean Temperature & Departure from Mean	Region 4 Average Precipitation Average Snowfall (yearly basis) Average Snowfall (seasonal basis) Average Temperature Yearly/Seasonal Summaries Mean Precipitation & Departure from Mean Mean Snowfall & Departure from Mean Mean Temperature & Departure from Mean
Region 5 Average Precipitation Average Snowfall (yearly basis) Average Snowfall (seasonal basis) Average Temperature Yearly/Seasonal Summaries Mean Precipitation & Departure from Mean Mean Snowfall & Departure from Mean Mean Temperature & Departure from Mean	Region 6 Average Precipitation Average Snowfall (yearly basis) Average Snowfall (seasonal basis) Average Temperature Yearly/Seasonal Summaries Mean Precipitation & Departure from Mean Mean Snowfall & Departure from Mean Mean Temperature & Departure from Mean
Region 7 Average Precipitation Average Snowfall (yearly basis) Average Snowfall (seasonal basis) Average Temperature Yearly/Seasonal Summaries Mean Precipitation & Departure from Mean Mean Snowfall & Departure from Mean Mean Temperature & Departure from Mean	Region 8 Average Precipitation Average Snowfall (yearly basis) Average Snowfall (seasonal basis) Average Temperature Yearly/Seasonal Summaries Mean Precipitation & Departure from Mean Mean Snowfall & Departure from Mean Mean Temperature & Departure from Mean
Region 9 Average Precipitation Average Snowfall (yearly basis) Average Snowfall (seasonal basis) Average Temperature Yearly/Seasonal Summaries Mean Precipitation & Departure from Mean Mean Snowfall & Departure from Mean Mean Temperature & Departure from Mean	Region 10 Average Precipitation Average Snowfall (yearly basis) Average Snowfall (seasonal basis) Average Temperature Yearly/Seasonal Summaries Mean Precipitation & Departure from Mean Mean Snowfall & Departure from Mean Mean Temperature & Departure from Mean

New York Division 1 Precipitation New York Division 1 Yearly/Seasonal Summaries New York Division 1 Average Temperature	New York Division 2 Precipitation New York Division 2 Yearly/Seasonal Summaries New York Division 2 Average Temperature
Maryland Division 6 Precipitation Maryland Division 6 Yearly/Seasonal Summaries Maryland Division 6 Average Temperature