Cloud Cover

Great Barrier Reef, Australia

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Fig 1 - Monthly values

Notes:
1 - Year label corresponds to January of that year

 
 

Fig 2 - Running 12-month averages.

Notes:
1 - Data is average of current month and 11 previous months.
2 - Year label corresponds to December of that year (hence the annual average cloud cover).

 
 

Fig 3 - Monthly and running 12-month averages.

Notes:
1 - Total is not the sum of low, mid and upper level cloud. Measurement is different and cloud may be multi-level.