Surface-based
Cloud Climatology
      Ocean Atlas
      Land Atlas
      Arctic Trends
      Ocean Trends
      Land Trends

Introduction

Publications

Digital Databases

OCEAN MAPS
Total Cloud Cover
Completely Clear Sky
Fog
Stratus
Stratocumulus
Cumulus
Cumulonimbus
   * Average Cloud Amount
   * Frequency of Occurrence
   * Amount When Present
   * Average Base Height
Nimbostratus
Altostratus
Altocumulus
High Level Clouds
Middle level Clouds
Low Level Clouds


GRID BOX MAPS
Number of Cloud Observations
    DJF    5° Map, Data
              10° Map, Data
    MAM 5° Map, Data
              10° Map, Data
    JJA     5° Map, Data
              10° Map, Data
    SON  5° Map, Data
              10° Map, Data
Fraction of Area that is Ocean
       5° Map, Data
       10° Map, Data
Box Numbers
       5° Map,
       10° Map

Previous Atlases (PDF)

Ocean Distribution (1988)

Ocean Simultaneous Occurence (1990)