CONUS NCAR is a reanalysis with a resolution of 4 km covering the
US and some neighboring areas. Here
you will find various weather maps from the past and you can
select numerous parameters via the menu. Weather conditions from the past can be
analyzed, such as storms, heat waves
and more. The advantage compared to pinpoint observation values: Reanalysis maps
show a complete and seamless picture of the weather in the past. The
reanalysis is
available back to 1979.