This archive provides access to historical daily weather maps from 1871 through 2002. The earliest maps show the continental U.S. and display the day's air temperature, barometric pressure, wind velocity and direction, and a general indication of the weather for various cities around the country. Later maps include the amount of change in barometric pressure during the most recent 8 hours, the temperature change within the most recent 24 hours, relative humidity, and total precipitation within the most recent 24 hours, as well as a general discussion of synoptic weather features and forecast, isobars and isotherms. Users can select maps from a set of drop-down boxes for month, date, and year.
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This resource originally cataloged at:
