Index of Original Surface Weather Records is a historical publication archived at the National Climatic Data Center (NCDC). Each publication presents indices of historical recording stations, alphabetic by station and by year, a listing of the hourly surface weather observation, synoptic weather observation, supplementary weather observation, and radar observation forms, and barogram, thermogram, ... triple register, wind recorder, and relative humidity. Recorder charts filed in the NCDC archives historically is presented for each station. This file is the published historical compilation of original manuscript and autographic records filed in the NCDC archives. An index of original surface weather records was compiled and published for each state, the Pacific Islands, and the combined U.S. Virgin Islands and Puerto Rico area. It is intended to provide users of historical meteorological manuscripts and autographic records information on their availability for stations (cities) that are in the NCDC archives.