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Measuring Total Column Water Vapor

Mims, F. M., L. H. Chambers, and D. R. Brooks (2011), Measuring Total Column Water Vapor, Bull. Am. Meteorol. Soc., 92, 1311-1320, doi:10.1175/2011BAMS3215.1.

A $20 infrared thermometer pointed at the cloud-free zenith sky can measure precipitable water vapor about as well as a sun photometer, and it can do so during the day or night.

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