Alaska Climate Research Center

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Ketchikan, May 2018


Mean monthly temperature was 51.10°F, which was 2.5°F above normal.

The observed maximum temperature was 70.0°F on the 13rd of the month, the minimum temperature was 37.0°F on the 31st of the month.

The total monthly precipitation was 10.9", which was 2.7" above normal.

Note: Normal values refer to the period 1981 to 2010.