Collage of Pictures taken across Puerto Rico

Record Wet Start to 2010

 

Through the end of July, 2010 continues to be on track to become the wettest year on record in San Juan. Through July 31st, 48.96 inches of rainfall had accumulated at the Luis Muñoz Marin International Airport in San Juan, over four inches ahead of the second wettest year to date (1958). Normally, a total of 24.14 inches of precipitation falls in San Juan through the end of July, with this years total of 48.96 inches more than 2 feet above normal.

 

Summary of Precipitation Records for San Juan, PR

   

Records Through July 31st

Annual Records

48.96”
2010
44.59”
1958
43.40”
2005
41.71”
1956
39.91”
1987
24.14”
Normal
77.28”
2005
74.55”
1979
74.04”
1958
73.46”
1981
72.55”
1998
50.81”
Normal

 

This unusually wet start to 2010 has not been limited to San Juan. Through July 30th, Puerto Rico as a whole is averaging nearly 160% of its normal precipitation and the U.S. Virgin Islands are averaging an astounding 190% of their normal precipitation (see the latest COOP data for more island wide precipitation totals/averages). In fact, July 2010 was the wettest July on record at the Cyril E. King Airport on Saint Thomas and the 7th wettest July on record at the Christiansted Airport on Saint Croix. July 2010 also ranked as the 3rd wettest July on record in San Juan. (Records for San Juan, Saint Thomas and Saint Croix date back to 1956, 1953, and 1951, respectively).

 

Graph of Accumulated Precipitation for 1958, 2005 and 2010 versus the average Year to Date

 

 For a complete recap of the local climate data for individual months (generally completed by the 5th of the following month), please see the local data/records section of our climate web page.

 


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