Please refer to the following paper for more information about these data.

Casati B, Ross, and DB Stephenson. 2004. A new intensity-scale approach for the verification
   of spatial precipitation forecasts, Meteorol. Appl., 11:141--154.

These data are made available for scientific purposes only.  Please cite the source
in any papers or presentations.  The proper reference is the U.K. Met Office.
