Alaska Statewide Anomalies

Alaska's weather observation history, much like its broader history, is unique and developed rapidly during the 20th Century. Therefore, NCDC uses a period of record for statewide-averaged temperature and precipitation that begins in 1918. Earlier statewide-averaged values are not calculated at this time. It should be noted that the methodology differs from that used for CONUS states, in that the Alaskan value represents a gridded approach (the statewide values are the composite of a set of grid boxes), and that coverage is not as complete as that for the CONUS. Alaska Statewide temperature and precipitation anomalies are calculated with respect to the 1971-2000 base period.


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DateAnomaly
191811-19.22%
1919110.10%
192011-8.74%
192111-47.75%
19221153.84%
192311-5.79%
192411-27.97%
19251171.64%
192611-31.74%
192711-56.33%
19281120.30%
19291149.70%
19301116.23%
19311131.94%
193211-54.00%
1933117.21%
193411-76.00%
19351130.93%
19361153.77%
193711-1.42%
19381139.09%
193911-38.05%
194011-17.17%
1941116.85%
194211-38.53%
19431126.86%
194411-33.25%
194511-27.24%
194611-12.91%
19471110.83%
1948112.96%
194911-5.36%
195011-19.35%
1951116.23%
19521114.62%
195311-41.82%
195411-10.23%
195511-44.14%
19561117.22%
19571116.80%
1958113.84%
195911-0.25%
196011-14.59%
196111-9.27%
196211-46.91%
196311-69.06%
196411-13.82%
19651112.59%
1966118.49%
19671153.91%
196811-20.97%
196911-16.94%
19701114.68%
197111-12.94%
197211-20.73%
197311-10.88%
19741115.86%
197511-59.18%
19761143.95%
197711-51.50%
19781117.22%
197911102.66%
198011-33.58%
1981112.79%
1982114.42%
198311-12.80%
198411-38.77%
198511-3.72%
1986116.93%
1987112.56%
198811-22.48%
198911-9.27%
19901118.20%
199111-21.08%
19921136.31%
19931180.03%
19941164.95%
199511-60.33%
199611-12.64%
19971117.58%
199811-36.52%
199911-36.18%
20001129.13%
200111-49.74%
200211-4.47%
20031179.02%
20041128.76%
2005114.53%
200611-43.72%
20071123.52%
200811-17.51%
20091122.49%
20101173.68%
2011116.34%
201211-31.47%
20131142.18%
201411-17.21%