Vydavatel National Oceanic and Atmospheric Administration, Department of Commerce
Datum vydání před téměř 10 roky
US
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Thermographs are weekly circular charts recording temperature at a given station. Includes hygrothermographs, long rectangular charts which which also capture humidity on the same chart. The National Climatic Data Center has hundreds of thousands more thermograph charts in physical media, which if scanned would be added to this library. The period of records spans the entire 20th century.