Increased rainfall on an island which averages only about 508 mm (20 in.) rain per year is attributed to La Niņa
The Meteorological Service website is down at the moment, but according to the cached copy
" The moderate El Niņo phase which dominated the weather over our islands during especially the second half of 2009 and the first quarter of 2010 is now history. It was the main reason of the below average rainfall observed during the 2009 rainy season (-74%) in the ABC [Aruba, Bonaire, Curacao] Islands. In fact, with so little rain, the rainy season in these islands was uneventful. Even the SSS [St. Maarten, St. Eustatius, Saba] Islands, which should have received average rainfall during the second half of 2009, received less than that.
Sea Surface Temperatures (SST) in the tropical Pacific Ocean have decreased in the meantime (August 2010) to below average values and that has already lead to above average values of rainfall in the ABC Islands. In the Atlantic Ocean and the Caribbean Sea, the sea surface temperatures are already at above average levels [La Niņa]and the outlook is for these higher than normal temperatures to persist throughout the remainder of 2010. This is forecast to result in a good chance of significant rainfall for both the ABC and the SSS islands during the second half of 2010, including the upcoming rainy season (October-December).
Last updated: August 20, 2010."