Juneau January 2015

Juneau was warmer than normal this January, with an observed monthly mean temperature of 35.1°F, 6.8°F above normal. The highest temperature for the month was 48°F on the 22nd, also setting a record for that day, breaking the old one, set last year, by 1°F. Juneau also tied the daily record high on the 25th with 44°F, last set in 1983. The lowest temperature was 13°F on the 5th.


Precipitation was over double the expected value of 5.35", with 11.98" recorded, setting a record for the month, breaking the old January precipitation record, set in 1939 by 1.81". Contributing to this were three new daily records set: on the 1st, 1.38" were recorded, breaking the 1985 record by 0.65", then on the 20th 1.23" fell, breaking the 1948 record by 0.03", and finally on the 21st 1.98" of precipitation was recorded, breaking the old 1988 record by 0.65". Snowfall, however, was much lighter than normal, with 15.1" of snowfall observed, 12.6" less than the 27.7" expected, partially due to the warmer temperatures. Average snow depth was 2", 5" less than normal. The average wind speed was 9.1 mph, while the highest wind speed of 49 mph blowing from the southeast occurring on the 21st.