Barograms are weekly rectangular charts recording barometric pressure at a given station. The barograph is an instrument that makes a continuous pen and ink trace of the changing atmospheric pressure on a chart. The barograph chart is also called a barogram. There were also measurements made using other types of barometers, and recorded on paper forms. Pressures were in millibars or inches of mercury. Many of these barograms and forms were provided to the archive by U.S. agencies: National Weather Service (NWS), Federal Aviation Administration (FAA), U.S. Air Force Air Weather Service (AWS), and the U.S. Navy Weather Service. The archive includes barograms and forms from other sources, including merchant ships at sea.The archive has hundreds of thousands of barograms in physical media (primarily microfilm, though also includes microfiche and paper). The period of record begins in the late 19th century, spans the entire 20th century, and continues, though in smaller volume, into the present. A limited selection of scanned barograms are available digitally as well.
About this Dataset
| Title | Barograms / Barograph Charts |
|---|---|
| Description | Barograms are weekly rectangular charts recording barometric pressure at a given station. The barograph is an instrument that makes a continuous pen and ink trace of the changing atmospheric pressure on a chart. The barograph chart is also called a barogram. There were also measurements made using other types of barometers, and recorded on paper forms. Pressures were in millibars or inches of mercury. Many of these barograms and forms were provided to the archive by U.S. agencies: National Weather Service (NWS), Federal Aviation Administration (FAA), U.S. Air Force Air Weather Service (AWS), and the U.S. Navy Weather Service. The archive includes barograms and forms from other sources, including merchant ships at sea.The archive has hundreds of thousands of barograms in physical media (primarily microfilm, though also includes microfiche and paper). The period of record begins in the late 19th century, spans the entire 20th century, and continues, though in smaller volume, into the present. A limited selection of scanned barograms are available digitally as well. |
| Modified | 2025-11-14T14:03:36.587Z |
| Publisher Name | N/A |
| Contact | N/A |
| Keywords | Earth Science > Atmosphere > Atmospheric Pressure > Atmospheric Pressure Measurements , Earth Science > Atmosphere > Atmospheric Pressure > Surface Pressure , Earth Science > Atmosphere > Atmospheric Pressure > Pressure Tendency , Earth Science > Atmosphere > Atmospheric Pressure > Sea Level Pressure , Earth Science > Oceans > Ocean Pressure > Sea Level Pressure , Geographic Region > Global , Continent > North America > United States Of America , Vertical Location > Land Surface , Vertical Location > Sea Surface , Barometers , Meteorological Stations , DOC/NOAA/NESDIS/NCDC > National Climatic Data Center, NESDIS, NOAA, U.S. Department of Commerce , DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce , climatologyMeteorologyAtmosphere |
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