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 2022

View Period (Months):
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  • Record Wettest
Period Value 1925-2000
Mean
Anomaly Rank
(1925-2022)
Wettest/Driest
Since
Record
September 2022
1-Month
6.22"
(157.99mm)
4.57"
(116.08mm)
1.65"
(41.91mm)
93rd Driest
Driest since:
1969
6th Wettest
Wettest since:
1925
Aug–Sep 2022
2-Month
12.55"
(318.77mm)
8.95"
(227.33mm)
3.60"
(91.44mm)
98th Driest
Driest since:
1941
1st Wettest
Wettest to Date
2022
Jul–Sep 2022
3-Month
16.90"
(429.26mm)
12.23"
(310.64mm)
4.67"
(118.62mm)
98th Driest
Driest since:
1968
1st Wettest
Wettest to Date
2022
Jun–Sep 2022
4-Month
18.07"
(458.98mm)
14.57"
(370.08mm)
3.50"
(88.90mm)
96th Driest
Driest since:
1968
3rd Wettest
Wettest since:
2012
Ties: 2014
May–Sep 2022
5-Month
19.33"
(490.98mm)
16.68"
(423.67mm)
2.65"
(67.31mm)
87th Driest
Driest since:
1969
12th Wettest
Wettest since:
2012
Apr–Sep 2022
6-Month
20.32"
(516.13mm)
18.57"
(471.68mm)
1.75"
(44.45mm)
75th Driest
Driest since:
1969
24th Wettest
Wettest since:
1961
Mar–Sep 2022
7-Month
22.81"
(579.37mm)
20.80"
(528.32mm)
2.01"
(51.05mm)
78th Driest
Driest since:
1969
21st Wettest
Wettest since:
2016
Ties: 2014
Feb–Sep 2022
8-Month
27.14"
(689.36mm)
23.12"
(587.25mm)
4.02"
(102.11mm)
95th Driest
Driest since:
1969
4th Wettest
Wettest since:
1928
Jan–Sep 2022
9-Month
30.71"
(780.03mm)
25.85"
(656.59mm)
4.86"
(123.44mm)
97th Driest
Driest since:
1969
2nd Wettest
Wettest since:
1928
Dec 2021–Sep 2022
10-Month
34.55"
(877.57mm)
28.92"
(734.57mm)
5.63"
(143.00mm)
94th Driest
Driest since:
1969
4th Wettest
Wettest since:
1928
Ties: 2012
Nov 2021–Sep 2022
11-Month
36.89"
(937.01mm)
32.29"
(820.17mm)
4.60"
(116.84mm)
90th Driest
Driest since:
1969
8th Wettest
Wettest since:
1944
Oct 2021–Sep 2022
12-Month
41.68"
(1,058.67mm)
36.68"
(931.67mm)
5.00"
(127.00mm)
88th Driest
Driest since:
1969
10th Wettest
Wettest since:
1944
Apr 2021–Sep 2022
18-Month
61.52"
(1,562.61mm)
55.22"
(1,402.59mm)
6.30"
(160.02mm)
90th Driest
Driest since:
1969
8th Wettest
Wettest since:
1944
Oct 2020–Sep 2022
24-Month
80.90"
(2,054.86mm)
73.25"
(1,860.55mm)
7.65"
(194.31mm)
88th Driest
Driest since:
1969
9th Wettest
Wettest since:
1930
Oct 2019–Sep 2022
36-Month
120.29"
(3,055.37mm)
109.82"
(2,789.43mm)
10.47"
(265.94mm)
90th Driest
Driest since:
1974
6th Wettest
Wettest since:
1930
Oct 2018–Sep 2022
48-Month
156.74"
(3,981.20mm)
146.31"
(3,716.27mm)
10.43"
(264.93mm)
86th Driest
Driest since:
1969
9th Wettest
Wettest since:
1932
Oct 2017–Sep 2022
60-Month
194.35"
(4,936.49mm)
182.77"
(4,642.36mm)
11.58"
(294.13mm)
83rd Driest
Driest since:
1972
11th Wettest
Wettest since:
1932

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