Sunday, September 13, 2015 7 Hawaii Tribune-Herald EAST HAWAII F.A.Q. BOOK Photos by HOLLYN JOHNSON/Tribune-Herald Rain falls heavily on Kinoole Street in downtown Hilo. An average of just less than 112 inches of rain fell at Hilo International Airport annually from 1990- 2014. How rainy is Hilo? Hilo’s tropical rainforest climate creates substantial rainfall throughout the year. Hilo’s location on the eastern side of Hawaii Island makes it the third-wettest designated city in the United States, behind the southeast Alaskan cities of Ketchikan and Yakutat, and one of the wettest in the world. An average of 111.93 inches of rain fell at Hilo International Airport annually between 1990 and 2014. It rains in Hilo an average of 275 days of the year, which is the most rainy days for any place in the Northern Hemisphere. The wettest year on record was 1990, with 211.22 inches of rain, and the driest year was 2010, with 63.29 inches. The most rainfall in a single month was 50.82 inches in December 1954. The most rainfall in a 24-hour period was 27.24 inches Nov. 2, 2000. RAINFALL, HILO INTERNATIONAL AIRPORT, 1990-2014 Year Rainfall (in inches) 1990 211.22 1991 153.04 1992 119.89 1993 114.49 1994 182.81 1995 85.92 1996 120.21 1997 131.61 1998 108.78 1999 116.78 2000 144.04 2001 112.51 2002 134.03 2003 91.3 2004 137.49 2005 123.32 2006 122.03 2007 106.75 2008 127.53 2009 131.81 2010 63.29 2011 97.66 2012 90.94 2013 102.24 2014 115.24 • • • • • • • • • • • • • • • • • • • • • AVERAGE 111.93
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