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 1938

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Period Value 1925-2000
Mean
Anomaly Rank
(1925-2022)
Wettest/Driest
Since
Record
September 1938
1-Month
6.32"
(160.53mm)
4.57"
(116.08mm)
1.75"
(44.45mm)
94th Driest
Driest since:
1969
5th Wettest
Wettest since:
1925
Aug–Sep 1938
2-Month
11.32"
(287.53mm)
8.95"
(227.33mm)
2.37"
(60.20mm)
93rd Driest
Driest since:
1941
6th Wettest
Wettest to Date
2022
Jul–Sep 1938
3-Month
14.86"
(377.44mm)
12.23"
(310.64mm)
2.63"
(66.80mm)
87th Driest
Driest since:
1968
12th Wettest
Wettest since:
2022
Jun–Sep 1938
4-Month
17.77"
(451.36mm)
14.57"
(370.08mm)
3.20"
(81.28mm)
92nd Driest
Driest since:
1968
7th Wettest
Wettest since:
2012
May–Sep 1938
5-Month
20.50"
(520.70mm)
16.68"
(423.67mm)
3.82"
(97.03mm)
94th Driest
Driest since:
1969
5th Wettest
Wettest to Date
2012
Apr–Sep 1938
6-Month
22.38"
(568.45mm)
18.57"
(471.68mm)
3.81"
(96.77mm)
94th Driest
Driest since:
1969
5th Wettest
Wettest to Date
1961
Mar–Sep 1938
7-Month
24.22"
(615.19mm)
20.80"
(528.32mm)
3.42"
(86.87mm)
93rd Driest
Driest since:
1969
6th Wettest
Wettest since:
2016
Feb–Sep 1938
8-Month
26.45"
(671.83mm)
23.12"
(587.25mm)
3.33"
(84.58mm)
89th Driest
Driest since:
1969
10th Wettest
Wettest since:
1928
Jan–Sep 1938
9-Month
29.20"
(741.68mm)
25.85"
(656.59mm)
3.35"
(85.09mm)
88th Driest
Driest since:
1969
11th Wettest
Wettest since:
1928
Dec 1937–Sep 1938
10-Month
31.18"
(791.97mm)
28.92"
(734.57mm)
2.26"
(57.40mm)
73rd Driest
Driest since:
1969
25th Wettest
Wettest since:
1928
Ties: 1992
Nov 1937–Sep 1938
11-Month
34.07"
(865.38mm)
32.29"
(820.17mm)
1.78"
(45.21mm)
60th Driest
Driest since:
1969
38th Wettest
Wettest since:
1944
Oct 1937–Sep 1938
12-Month
38.06"
(966.72mm)
36.68"
(931.67mm)
1.38"
(35.05mm)
57th Driest
Driest since:
1969
41st Wettest
Wettest since:
1944
Apr 1937–Sep 1938
18-Month
56.90"
(1,445.26mm)
55.22"
(1,402.59mm)
1.68"
(42.67mm)
58th Driest
Driest since:
1969
40th Wettest
Wettest since:
1944
Oct 1936–Sep 1938
24-Month
81.54"
(2,071.12mm)
73.25"
(1,860.55mm)
8.29"
(210.57mm)
90th Driest
Driest since:
1969
7th Wettest
Wettest since:
1930
Oct 1935–Sep 1938
36-Month
115.11"
(2,923.79mm)
109.82"
(2,789.43mm)
5.29"
(134.36mm)
64th Driest
Driest since:
1974
32nd Wettest
Wettest since:
1930
Oct 1934–Sep 1938
48-Month
154.30"
(3,919.22mm)
146.31"
(3,716.27mm)
7.99"
(202.95mm)
71st Driest
Driest since:
1969
24th Wettest
Wettest since:
1932
Oct 1933–Sep 1938
60-Month
187.15"
(4,753.61mm)
182.77"
(4,642.36mm)
4.38"
(111.25mm)
51st Driest
Driest since:
1972
43rd Wettest
Wettest since:
1932

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