WW2-Era Weather Data - 27 Dec 1939

Country/PossessionStationLatitudeLongitudeElevation (m)Elevation (ft) Precipitation (mm)Precipitation (in) Snowfall (mm)Snowfall (in) Peak Gust Speed (km/hr)Peak Gust Speed (knots)Peak Gust Direction (degrees) Minimum Temperature (C)Minimum Temperature (F) Maximum Temperature (C)Maximum Temperature (F)
United StatesPhiladelphia39.953-75.16412.00039 3.0480.120 33.021.3 -817 -425

Source:
Phillyweather