May 2009 Climatological Report
 

Temperature
Highest Maximum: 92°F - May 10
Lowest Minimum: 58°F - May 1
Average Maximum: 84°F - Normal 84°F
Average Minimum: 68°F - Normal 66°F
Mean: 76°F - Normal 75°F

Relative Humidity
Highest Observed: 100% - 22 of 31 days
Lowest Observed: 38% - May 31
Average High Humidity: 99%
Average Low Humidity: 61%
Mean Relative Humidity: 83% - Normal 75%

Winds
Peak Wind Speed/Direction: 47 mph/E - May 19
Observed Monthly Average: 7 mph
Normal Monthly Average: 7 mph

Visibility/Cloud Ceiling
Lowest Visibility: 1/4 mile - May 21 and 22
Lowest Ceiling: 400 feet - May 19

Precipitation
Total for the Month: 15.09 inches
Normal for the Month: 2.93 inches
Precipitation Days Observed: 12
Precipitation Days Normally Expected: 8

Thunderstorms
Thunderstorm Days Observed: 12
Thunderstorm Days Normally Expected: 7

Fog
Fog Days Observed: 11
Fog Days Normally Expected: 7


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