Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of December 2021. For more information, please see Climatological Rankings.


Alaska

Precipitation Rankings, September 1939

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1925-2000
Mean
Anomaly Rank
(1925-2021)
Wettest/Driest
Since
Record
September 1939
1-Month
4.89"
(124.21mm)
4.57"
(116.08mm)
0.32"
(8.13mm)
56th Driest Driest since: 1937 1969
42nd Wettest Wettest since: 1938 1925
Aug–Sep 1939
2-Month
11.40"
(289.56mm)
8.95"
(227.33mm)
2.45"
(62.23mm)
95th Driest Driest since: 1938 1941
3rd Wettest Wettest to Date 2012
Jul–Sep 1939
3-Month
15.26"
(387.60mm)
12.23"
(310.64mm)
3.03"
(76.96mm)
93rd Driest Driest since: 1938 1968
5th Wettest Wettest since: 1928 2012
Ties: 1928
Jun–Sep 1939
4-Month
17.36"
(440.94mm)
14.57"
(370.08mm)
2.79"
(70.86mm)
88th Driest Driest since: 1937 1968
10th Wettest Wettest since: 1938 2012
Ties: 1945
May–Sep 1939
5-Month
19.34"
(491.24mm)
16.68"
(423.67mm)
2.66"
(67.57mm)
87th Driest Driest since: 1937 1969
11th Wettest Wettest since: 1938 2012
Apr–Sep 1939
6-Month
21.55"
(547.37mm)
18.57"
(471.68mm)
2.98"
(75.69mm)
90th Driest Driest since: 1937 1969
8th Wettest Wettest since: 1938 1961
Mar–Sep 1939
7-Month
23.66"
(600.96mm)
20.80"
(528.32mm)
2.86"
(72.64mm)
88th Driest Driest since: 1937 1969
10th Wettest Wettest since: 1938 2016
Feb–Sep 1939
8-Month
26.02"
(660.91mm)
23.12"
(587.25mm)
2.90"
(73.66mm)
88th Driest Driest since: 1937 1969
10th Wettest Wettest since: 1938 1928
Jan–Sep 1939
9-Month
28.98"
(736.09mm)
25.85"
(656.59mm)
3.13"
(79.50mm)
85th Driest Driest since: 1937 1969
13th Wettest Wettest since: 1938 1928
Dec 1938–Sep 1939
10-Month
32.52"
(826.01mm)
28.92"
(734.57mm)
3.60"
(91.44mm)
85th Driest Driest since: 1938 1969
12th Wettest Wettest since: 1935 1928
Nov 1938–Sep 1939
11-Month
37.06"
(941.32mm)
32.29"
(820.17mm)
4.77"
(121.15mm)
91st Driest Driest since: 1938 1969
6th Wettest Wettest since: 1929 1944
Oct 1938–Sep 1939
12-Month
41.82"
(1,062.23mm)
36.68"
(931.67mm)
5.14"
(130.56mm)
90th Driest Driest since: 1938 1969
7th Wettest Wettest since: 1937 1944
Apr 1938–Sep 1939
18-Month
64.20"
(1,630.68mm)
55.22"
(1,402.59mm)
8.98"
(228.09mm)
95th Driest Driest since: 1938 1969
2nd Wettest Wettest to Date 1944
Oct 1937–Sep 1939
24-Month
79.88"
(2,028.95mm)
73.25"
(1,860.55mm)
6.63"
(168.40mm)
86th Driest Driest since: 1937 1969
10th Wettest Wettest since: 1938 1930
Oct 1936–Sep 1939
36-Month
123.36"
(3,133.34mm)
109.82"
(2,789.43mm)
13.54"
(343.91mm)
93rd Driest Driest since: 1938 1974
2nd Wettest Wettest since: 1930 1930
Oct 1935–Sep 1939
48-Month
156.93"
(3,986.02mm)
146.31"
(3,716.27mm)
10.62"
(269.75mm)
86th Driest Driest since: 1938 1969
8th Wettest Wettest since: 1932 1932
Oct 1934–Sep 1939
60-Month
196.12"
(4,981.45mm)
182.77"
(4,642.36mm)
13.35"
(339.09mm)
88th Driest Driest since: 1938 1972
5th Wettest Wettest since: 1932 1932

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2022, retrieved on January 24, 2022 from https://www.ncdc.noaa.gov/cag/