Alaska Climate Research Center

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Ketchikan May 2017


Ketchikan had a mean monthly temperature of 50.5°F, 1.9°F above the normal for May. The highest temperature for the month was 72°F occurring on the 28th, while the lowest was 34°F on the 1st, 2nd and 4th.

Precipitation was heavier (35%) than normal, with 11.03” measured and 8.20” normally expected.