Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Alaska

Precipitation Rankings, September 1939

View Period (Months):
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  • Record Wettest
Period Value 1925-2000
Mean
Anomaly Rank
(1925-2022)
Wettest/Driest
Since
Record
September 1939
1-Month
4.89"
(124.21mm)
4.57"
(116.08mm)
0.32"
(8.13mm)
56th Driest
Driest since:
1969
43rd Wettest
Wettest since:
1925
Aug–Sep 1939
2-Month
11.40"
(289.56mm)
8.95"
(227.33mm)
2.45"
(62.23mm)
95th Driest
Driest since:
1941
4th Wettest
Wettest to Date
2022
Jul–Sep 1939
3-Month
15.26"
(387.60mm)
12.23"
(310.64mm)
3.03"
(76.96mm)
93rd Driest
Driest since:
1968
6th Wettest
Wettest since:
2022
Ties: 1928
Jun–Sep 1939
4-Month
17.36"
(440.94mm)
14.57"
(370.08mm)
2.79"
(70.86mm)
88th Driest
Driest since:
1968
11th Wettest
Wettest since:
2012
Ties: 1945
May–Sep 1939
5-Month
19.34"
(491.24mm)
16.68"
(423.67mm)
2.66"
(67.57mm)
88th Driest
Driest since:
1969
11th Wettest
Wettest since:
2012
Apr–Sep 1939
6-Month
21.55"
(547.37mm)
18.57"
(471.68mm)
2.98"
(75.69mm)
91st Driest
Driest since:
1969
8th Wettest
Wettest since:
1961
Mar–Sep 1939
7-Month
23.66"
(600.96mm)
20.80"
(528.32mm)
2.86"
(72.64mm)
89th Driest
Driest since:
1969
10th Wettest
Wettest since:
2016
Feb–Sep 1939
8-Month
26.02"
(660.91mm)
23.12"
(587.25mm)
2.90"
(73.66mm)
88th Driest
Driest since:
1969
11th Wettest
Wettest since:
1928
Jan–Sep 1939
9-Month
28.98"
(736.09mm)
25.85"
(656.59mm)
3.13"
(79.50mm)
85th Driest
Driest since:
1969
14th Wettest
Wettest since:
1928
Dec 1938–Sep 1939
10-Month
32.52"
(826.01mm)
28.92"
(734.57mm)
3.60"
(91.44mm)
86th Driest
Driest since:
1969
12th Wettest
Wettest since:
1928
Nov 1938–Sep 1939
11-Month
37.06"
(941.32mm)
32.29"
(820.17mm)
4.77"
(121.15mm)
92nd Driest
Driest since:
1969
6th Wettest
Wettest since:
1944
Oct 1938–Sep 1939
12-Month
41.82"
(1,062.23mm)
36.68"
(931.67mm)
5.14"
(130.56mm)
91st Driest
Driest since:
1969
7th Wettest
Wettest since:
1944
Apr 1938–Sep 1939
18-Month
64.20"
(1,630.68mm)
55.22"
(1,402.59mm)
8.98"
(228.09mm)
96th Driest
Driest since:
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:
1969
11th Wettest
Wettest since:
1930
Oct 1936–Sep 1939
36-Month
123.36"
(3,133.34mm)
109.82"
(2,789.43mm)
13.54"
(343.91mm)
94th Driest
Driest since:
1974
2nd Wettest
Wettest since:
1930
Oct 1935–Sep 1939
48-Month
156.93"
(3,986.02mm)
146.31"
(3,716.27mm)
10.62"
(269.75mm)
87th Driest
Driest since:
1969
8th Wettest
Wettest since:
1932
Oct 1934–Sep 1939
60-Month
196.12"
(4,981.45mm)
182.77"
(4,642.36mm)
13.35"
(339.09mm)
89th Driest
Driest since:
1972
5th Wettest
Wettest since:
1932

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