The data are provided by the Met Office. The monthly series of temperature begins in 1659 and the daily data starts in 1772. The data set is compiled by the Met Office . The data is available for the period 1998 to present. The data is supplied by the Met Office, Hadley Centre.
Software is provided to derive potential vorticity.
Access permission required so that PI can monitor usage of data. Timespan of dataset is October 1991 - present day. Software provided for deriving potential vorticity. CD-ROM set available containing whole dataset. GIF plot files of temperature, geopotential height and PV on standard levels also available.