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The table below shows the percentage of time that low clouds were present during daylight (8am-4pm PDT) hours at San Diego Lindbergh Field for the months May through September. Included in the table are values for the present year and climatological (based on 1960-2009 period) values. Values from 2009-2012 are also shown for comparison.
Values for 2013 will be updated as data becomes available.
MONTH | CLIMATOLOGY | 2009 | 2010 | 2011 | 2012 | 2013 |
---|---|---|---|---|---|---|
MAY | 32% | 45% | 18% | 25% | 29% | 21% |
JUN | 37% | 26% | 47% | 39% | 44% | 36% |
JUL | 29% | 19% | 58% | 24% | 29% | 34% |
AUG | 25% | 22% | 19% | 29% | 22% | 19% |
SEP | 23% | 11% | 23% | 32% | 11% | 22% |
The plot below shows the daytime low cloud fraction (1.0=100%) at San Diego Lindbergh for each individual day.
Present Year (2013) Low Cloudiness at San Diego Lindbergh
Low Clouds Only (Cloud Base < 2500 ft)
Red Line = Long-term Climatology