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The climate database consists of the following variable groups:
- Temperature: Average, maximum, and minimum daily
for January, July, and annual - Precipitation: Annual rainfall and snowfall
- Degree Days: Annual average heating and cooling
degree days - Air Quality: Air quality indexes
Methodology and Data Sources
The climate database was created from two separate sources. The temperature, precipitation, and degree days variables were derived from an analysis of weather observations from federal government sources. In order to derive values for individual block groups, the data for each observation point (over ten thousand in all) were analyzed using Vertical Mapper in order to estimate the likely values at block group centroids.
The air quality indexes were derived from data obtained from the EPA and modeled using similar methods.
Prices for this data begin at $300. To purchase or for a quote on your data needs, please contact us.