Mean monthly dew point temperature : January dew point -- April dew point -- July dew point -- October dew point / compiled by A. V. Dodd, U. S. Army from official hourly weather records for periods averaging 10 years in length prior to 1964 -- Mean monthly relative humidity : January relative humidity -- April relative humidity -- July relative humidity -- October relative humidity / adapted from 1:20,000,000-scale maps by Environmental Data Service, Environmental Science Services Administration records...
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Mean annual high temperature frequency, based on data for varying periods up to 88 years in length, ending in 1961 -- Mean annual freeze temperature frequency, based on data for varying periods up to 89 years in length, ending in 1962 / adapted from 1:10,000,000-scale maps by Environmental Data Service, Environmental Science Services Administration.
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Annual solar radiation -- January solar radiation -- April solar radiation -- July solar radiation -- October solar radiation. Adapted from 1:20,000,000 and 1:30,000,000-scale maps by Environmental Data Service, Environmental Science Services Administration based upon data for varying periods up to 46 years...
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