Alaska Climate Research Center

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Ketchikan May 2015


The mean monthly May temperature for Ketchikan was recorded at 54.9°F, 6.3°F above the long-term mean. The highest temperature for the month was 75°F on the 17th, while the lowest was 32°F on the 3rd. Despite no new daily temperature record being set this May, this was the warmest mean monthly temperature on record, breaking the old 1993 record of 53.5°F.

The precipitation for May was just 8% of its normal, with a mere 0.68” measured, and 8.20” normally expected. This makes 2015 the driest May on record for Ketchikan. The previous record was 2.12” from 2010.