Highlights

King Salmon had a mean monthly temperature of 43.2°F, 9.5°F above normal. The highest temperature for the month was 61°F on the 21^st, which also set a new record for that day, breaking the 2014 record by 4°F. Nine more daily records were set or tied: on the 2^nd, the 51°F observed broke the 1935 record, on the 8^th the 51°F topped the 1987 record, on the 9^th the 54°F record from 1940 was tied, on the 13^th the 59°F recorded broke the 1990 record, on the 15^th the record of 58°F from 1965 was tied, on the 16^th 57°F was observed, breaking the 1996 record, on the 17^th the record of 55°F from 1965 was tied, and on the 22^nd the 57°F observed broke the 2008 record, and finally the high of 55°F on the 23^rd tied the record from 2014. All these high temperatures resulted in the warmest April on record, topping the 1940 mean of 42.0°F. The lowest temperature for the month was 22°F on the 8^th.

Precipitation was lighter than normal, with 0.85" measured, 0.12" below the expected 0.97". No snowfall was recorded, while 3.9" was expected. The average wind speed was 10.3 mph, while the highest was 52 mph from a southeasterly direction on the 9^th.