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 1970

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1925-2000
Mean
Anomaly Rank
(1925-2022)
Wettest/Driest
Since
Record
May 1970
1-Month
1.80"
(45.72mm)
2.11"
(53.59mm)
-0.31"
(-7.87mm)
27th Driest
Driest since:
2010
72nd Wettest
Wettest since:
1944
Apr–May 1970
2-Month
4.19"
(106.43mm)
4.00"
(101.60mm)
0.19"
(4.83mm)
54th Driest
Driest since:
2022
45th Wettest
Wettest since:
1998
Ties: 1939
Mar–May 1970
3-Month
6.85"
(173.99mm)
6.23"
(158.24mm)
0.62"
(15.75mm)
72nd Driest
Driest since:
2011
27th Wettest
Wettest since:
1941
Feb–May 1970
4-Month
9.40"
(238.76mm)
8.55"
(217.17mm)
0.85"
(21.59mm)
77th Driest
Driest since:
2014
22nd Wettest
Wettest since:
1929
Jan–May 1970
5-Month
11.01"
(279.65mm)
11.28"
(286.51mm)
-0.27"
(-6.86mm)
43rd Driest
Driest since:
1969
56th Wettest
Wettest since:
1929
Dec 1969–May 1970
6-Month
14.41"
(366.01mm)
14.38"
(365.25mm)
0.03"
(0.76mm)
48th Driest
Driest since:
1969
50th Wettest
Wettest since:
1929
Nov 1969–May 1970
7-Month
18.32"
(465.33mm)
17.76"
(451.10mm)
0.56"
(14.23mm)
59th Driest
Driest since:
1969
39th Wettest
Wettest since:
1929
Oct 1969–May 1970
8-Month
22.35"
(567.69mm)
22.15"
(562.61mm)
0.20"
(5.08mm)
48th Driest
Driest since:
1969
50th Wettest
Wettest since:
1937
Sep 1969–May 1970
9-Month
24.51"
(622.55mm)
26.70"
(678.18mm)
-2.19"
(-55.63mm)
21st Driest
Driest since:
1969
77th Wettest
Wettest since:
1926
Aug 1969–May 1970
10-Month
27.93"
(709.42mm)
31.07"
(789.18mm)
-3.14"
(-79.76mm)
12th Driest
Driest since:
1969
86th Wettest
Wettest since:
1926
Jul 1969–May 1970
11-Month
31.76"
(806.70mm)
34.34"
(872.24mm)
-2.58"
(-65.54mm)
15th Driest
Driest since:
1969
83rd Wettest
Wettest since:
1926
Jun 1969–May 1970
12-Month
33.15"
(842.01mm)
36.68"
(931.67mm)
-3.53"
(-89.66mm)
12th Driest
Driest since:
1969
86th Wettest
Wettest since:
1926
Dec 1968–May 1970
18-Month
42.10"
(1,069.34mm)
50.91"
(1,293.11mm)
-8.81"
(-223.77mm)
4th Driest
Driest since:
1969
93rd Wettest
Wettest since:
1929
Jun 1968–May 1970
24-Month
58.34"
(1,481.84mm)
73.19"
(1,859.03mm)
-14.85"
(-377.19mm)
1st Driest
Driest since:
1970
96th Wettest
Wettest since:
1930
Jun 1967–May 1970
36-Month
98.20"
(2,494.28mm)
109.71"
(2,786.63mm)
-11.51"
(-292.35mm)
4th Driest
Driest since:
1971
92nd Wettest
Wettest since:
1931
Jun 1966–May 1970
48-Month
132.24"
(3,358.90mm)
146.24"
(3,714.50mm)
-14.00"
(-355.60mm)
2nd Driest
Driest since:
1972
93rd Wettest
Wettest since:
1932
Jun 1965–May 1970
60-Month
168.11"
(4,269.99mm)
182.72"
(4,641.09mm)
-14.61"
(-371.10mm)
4th Driest
Driest since:
1973
90th Wettest
Wettest since:
1932

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