Introduction

Publications

Digital Databases

LAND MAPS
Total Cloud Cover
   * Average Cloud Amount
         - Annual Maps: Day, Night, Average
           Amplitude, Phase of Annual Cycle
           Trend Daytime (1971-1996),
                      Data: Day, Night, Average
           Amplitude, Phase of Annual Cycle
         - DJF Maps: Day, Night, Average
            Amplitude, Phase of Diurnal Cycle
           Trend Daytime (1971-1996),
                      Data: Day, Night, Average
            Amplitude, Phase of Diurnal Cycle
         - MAM Maps: Day, Night, Average
            Amplitude, Phase of Diurnal Cycle
           Trend Daytime (1971-1996),
                      Data: Day, Night, Average
            Amplitude, Phase of Diurnal Cycle
         - JJA Maps: Day, Night, Average
            Amplitude, Phase of Diurnal Cycle
           Trend Daytime (1971-1996),
                      Data: Day, Night, Average
            Amplitude, Phase of Diurnal Cycle
         - SON Maps: Day, Night, Average
            Amplitude, Phase of Diurnal Cycle
           Trend Daytime (1971-1996),
                      Data: Day, Night, Average
            Amplitude, Phase of Diurnal Cycle
         - January Maps: Day, Night, Average
                      Data: Day, Night, Average
         - February Maps: Day, Night, Average
                      Data: Day, Night, Average
         - March Maps: Day, Night, Average
                      Data: Day, Night, Average
         - April Maps: Day, Night, Average
                      Data: Day, Night, Average
         - May Maps: Day, Night, Average
                      Data: Day, Night, Average
         - June Maps: Day, Night, Average
                      Data: Day, Night, Average
         - July Maps: Day, Night, Average
                      Data: Day, Night, Average
         - August Maps: Day, Night, Average
                      Data: Day, Night, Average
         - September Maps: Day, Night, Average
                      Data: Day, Night, Average
         - October Maps: Day, Night, Average
                      Data: Day, Night, Average
         - November Maps: Day, Night, Average
                      Data: Day, Night, Average
         - December Maps: Day, Night, Average
                      Data: Day, Night, Average
Completely Clear Sky
Precipitation
Fog
Stratus
Stratocumulus
Cumulus
Cumulonimbus
Nimbostratus
Altostratus
Altocumulus
High Level Clouds
Middle level Clouds
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)