Ketchikan, May 2020
| Mean monthly temperature was 52.00°F, which was 3.4°F above normal. |
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The observed maximum temperature was 78.0°F on the 9th of the month, the minimum temperature was 36.0°F on the 8th of the month. |
| The total monthly precipitation was 4.5", which was 3.7" below normal. |
| Note: Normal values refer to the period 1981 to 2010. |