The average temperature of 76.2 degrees last year was about 2.3 degrees above the average for Hilo and was the hottest its been at the Hilo Airport in the 66 years that records have been kept there, according to the National Centers for Environmental Information, which released its annual report on temperature anomalies. Lihue’s average 2015 temperature of 77 degrees was about 1.2 degrees above the 1981-2010 average, making it the second-warmest year at the Lihue Airport since the weather service began keeping records 65 years ago. Honolulu’s 78.7 average last year was a degree above average, making it the fourth warmest year in 66 years of record-keeping.