São Tomé, São Tomé and Príncipe
Reporting Station: São Tomé International Airport


Three Year Averages 2010- 2012 Inclusive


Black line: Median Cloud Cover
Dark Gray Band (40th to 60th Percentile)
Light Gray Band (25th to 75th Percentile)


Fraction of time in each sky cover bin type (total = 100%)
Light blue is "mostly clear" -- BUT: "Pink indicates missing data.
Outside of USA clear skies are often reported ambiguously, leading them to be lumped in with the missing data.


Light green: drizzle/light rain.  Black, total rain probability