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, May 1971

View Period (Months):
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  • Record Wettest
Period Value 1925-2000
Mean
Anomaly Rank
(1925-2022)
Wettest/Driest
Since
Record
May 1971
1-Month
2.56"
(65.02mm)
2.11"
(53.59mm)
0.45"
(11.43mm)
82nd Driest
Driest since:
2010
17th Wettest
Wettest since:
1944
Apr–May 1971
2-Month
4.46"
(113.28mm)
4.00"
(101.60mm)
0.46"
(11.68mm)
71st Driest
Driest since:
2022
28th Wettest
Wettest since:
1998
Ties: 2008
Mar–May 1971
3-Month
6.12"
(155.45mm)
6.23"
(158.24mm)
-0.11"
(-2.79mm)
45th Driest
Driest since:
2011
54th Wettest
Wettest since:
1941
Ties: 1952
Feb–May 1971
4-Month
8.82"
(224.03mm)
8.55"
(217.17mm)
0.27"
(6.86mm)
58th Driest
Driest since:
2014
41st Wettest
Wettest since:
1929
Jan–May 1971
5-Month
10.71"
(272.03mm)
11.28"
(286.51mm)
-0.57"
(-14.48mm)
35th Driest
Driest since:
1969
64th Wettest
Wettest since:
1929
Ties: 1996
Dec 1970–May 1971
6-Month
13.98"
(355.09mm)
14.38"
(365.25mm)
-0.40"
(-10.16mm)
39th Driest
Driest since:
1969
59th Wettest
Wettest since:
1929
Ties: 1960, 1979
Nov 1970–May 1971
7-Month
17.15"
(435.61mm)
17.76"
(451.10mm)
-0.61"
(-15.49mm)
38th Driest
Driest since:
1969
60th Wettest
Wettest since:
1929
Oct 1970–May 1971
8-Month
21.62"
(549.15mm)
22.15"
(562.61mm)
-0.53"
(-13.46mm)
40th Driest
Driest since:
1969
58th Wettest
Wettest since:
1937
Sep 1970–May 1971
9-Month
25.35"
(643.89mm)
26.70"
(678.18mm)
-1.35"
(-34.29mm)
33rd Driest
Driest since:
1969
65th Wettest
Wettest since:
1926
Aug 1970–May 1971
10-Month
29.68"
(753.87mm)
31.07"
(789.18mm)
-1.39"
(-35.31mm)
27th Driest
Driest since:
1969
71st Wettest
Wettest since:
1926
Jul 1970–May 1971
11-Month
33.31"
(846.07mm)
34.34"
(872.24mm)
-1.03"
(-26.17mm)
34th Driest
Driest since:
1969
64th Wettest
Wettest since:
1926
Jun 1970–May 1971
12-Month
35.96"
(913.38mm)
36.68"
(931.67mm)
-0.72"
(-18.29mm)
37th Driest
Driest since:
1969
61st Wettest
Wettest since:
1926
Dec 1969–May 1971
18-Month
50.37"
(1,279.40mm)
50.91"
(1,293.11mm)
-0.54"
(-13.71mm)
35th Driest
Driest since:
1969
62nd Wettest
Wettest since:
1929
Jun 1969–May 1971
24-Month
69.11"
(1,755.39mm)
73.19"
(1,859.03mm)
-4.08"
(-103.64mm)
18th Driest
Driest since:
1970
79th Wettest
Wettest since:
1930
Jun 1968–May 1971
36-Month
94.30"
(2,395.22mm)
109.71"
(2,786.63mm)
-15.41"
(-391.41mm)
1st Driest
Driest since:
1971
95th Wettest
Wettest since:
1931
Jun 1967–May 1971
48-Month
134.16"
(3,407.66mm)
146.24"
(3,714.50mm)
-12.08"
(-306.84mm)
6th Driest
Driest since:
1972
89th Wettest
Wettest since:
1932
Jun 1966–May 1971
60-Month
168.20"
(4,272.28mm)
182.72"
(4,641.09mm)
-14.52"
(-368.81mm)
5th Driest
Driest since:
1973
89th Wettest
Wettest since:
1932

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