Like other areas in Southeast, Petersburg had an unusually mild April. Daily temperature records were set or tied on four days during the first half of month, including 59°F (15°C) on April 4, 10 and 13. Climate observations have been made at Petersburg, with some breaks, since the mid-1920s.
The high temperature at Nome on April 24 was 48°F (9°C). This is the warmest temperature of record for this date, just beating the previous record of 47°F (8°C) set in 1940.
Yakutat set daily record high temperatures on three consecutive days in April. On April 12, the high of 63°F (17°C) smashed the previous record of 54°F (12°C), set in 2004. The following day (April 13), the high of 60°F (16°C) broke the previous record of 56°F (13°C) set in 1990. On April 14, the high of 61°F (16°C) easily exceeded the previous record of 57°F (14°C), set back in 1930. Runs of three consecutive records are not unusual, even for a location with more than 80 years of climate observations.
Following a cold and snowy March, Annette recorded the warmest April of record. The average temperature in April was 48.7°F (9.3°C). This easily exceeded the previous warmest: April of 1995, when the average temperature was 47.7°F (8.7°C).
The temperature at Kotzebue on April 30 rose to 49°F (9.4°C). This was not only a record for the date, but is the highest temperature of record in April. The previous record was 48°F (8.9°C) set April 24, 1980, and again April 27, 1988.
The average temperature at Kotzebue in April 2017 was 24.3°F (-4.3°C). This is 11°F above normal and the third warmest April of record. The only warmer Aprils were in 2004 and 2016.
The low temperature on March 18 at Denali National Park Headquarters was -30°F (-34°C). This is the lowest temperature of record for that date, breaking the previous record of -26°F (-32°C) set in 2009. Climate observations have been made at Park Headquarters since the 1920s.
Kodiak received only 6.24" (158mm) of precipitation January through March. This is only 31% of normal and makes this second driest late winter of record: only 1937 was drier.
Cold Bay received only 0.04" of precipitation in March. This is only 1% of normal March precipitation and is the lowest total for any March of record. This is also the second driest of any calendar month. Only April 1948, with 0.02" of precipitation, was drier.
The average temperature at the Sitka Airport in March was 33.5°F (0.8°C), making this the coldest March in 15 years and the fourth coldest of record. Climate observations have been made at the Sitka Airport since the mid 1940s.