Introduction

Publications

Digital Databases

LAND MAPS
Total Cloud Cover
Completely Clear Sky
Precipitation
Fog
Stratus
Stratocumulus
Cumulus
Cumulonimbus
Nimbostratus
Altostratus
Altocumulus
High Level Clouds
Middle level Clouds
   * Average Cloud Amount
         - Annual Maps: Day, Night, Average
                      Data: Day, Night, Average
         - DJF Maps: Day, Night, Average
                      Data: Day, Night, Average
         - MAM Maps: Day, Night, Average
                      Data: Day, Night, Average
         - JJA Maps: Day, Night, Average
                      Data: Day, Night, Average
         - SON Maps: Day, Night, Average
                      Data: Day, Night, Average
Low Level Clouds

Grid Box Maps
Number of Weather Stations Used
   Map, Data
Fraction of Area that is Land
   Map, Data

Previous Atlases (PDF)

Land Distribution (1986)

Land Simultaneous Occurence (1990)