Surface-based
Cloud Climatology
      Ocean Atlas
      Land Atlas

Introduction

Publications

Digital Databases

OCEAN MAPS
Total Cloud Cover
Completely Clear Sky
Fog
Stratus
Stratocumulus
Cumulus
Cumulonimbus
Nimbostratus
   * Average Cloud Amount
         - Annual
            5 Maps: Day, Night, Average
            5 Data: Day, Night, Average
            10 Maps:
                Amplitude, Phase of Annual Cycle
            10 Data:
                Amplitude, Phase of Annual Cycle

         - DJF
            5 Maps: Day, Night, Average
            5 Data: Day, Night, Average
            10 Maps: Day, Night, Average
                Amplitude, Phase of Diurnal Cycle
            10 Data: Day, Night, Average
                Amplitude, Phase of Diurnal Cycle

         - MAM
            5 Maps: Day, Night, Average
            5 Data: Day, Night, Average
            10 Maps: Day, Night, Average
                Amplitude, Phase of Diurnal Cycle
            10 Data: Day, Night, Average
                Amplitude, Phase of Diurnal Cycle

         - JJA
            5 Maps: Day, Night, Average
            5 Data: Day, Night, Average
            10 Maps: Day, Night, Average
                Amplitude, Phase of Diurnal Cycle
            10 Data: Day, Night, Average
                Amplitude, Phase of Diurnal Cycle

         - SON
            5 Maps: Day, Night, Average
            5 Data: Day, Night, Average
            10 Maps: Day, Night, Average
                Amplitude, Phase of Diurnal Cycle
            10 Data: Day, Night, Average
                Amplitude, Phase of Diurnal Cycle

         - January
            10 Maps: Day, Night, Average
            10 Data: Day, Night, Average

         - February
            10 Maps: Day, Night, Average
            10 Data: Day, Night, Average

         - March
            10 Maps: Day, Night, Average
            10 Data: Day, Night, Average

         - April
            10 Maps: Day, Night, Average
            10 Data: Day, Night, Average

         - May
            10 Maps: Day, Night, Average
            10 Data: Day, Night, Average

         - June
            10 Maps: Day, Night, Average
            10 Data: Day, Night, Average

         - July
            10 Maps: Day, Night, Average
            10 Data: Day, Night, Average

         - August
            10 Maps: Day, Night, Average
            10 Data: Day, Night, Average

         - September
            10 Maps: Day, Night, Average
            10 Data: Day, Night, Average

         - October
            10 Maps: Day, Night, Average
            10 Data: Day, Night, Average

         - November
            10 Maps: Day, Night, Average
            10 Data: Day, Night, Average

         - December
            10 Maps: Day, Night, Average
            10 Data: Day, Night, Average

   * Frequency of Occurrence
   * Amount When Present
   * Non-overlapped Amount
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