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, August 2017

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
August 2017
1-Month
6.02"
(152.91mm)
4.37"
(111.00mm)
1.65"
(41.91mm)
89th Driest
Driest since:
1941
10th Wettest
Wettest since:
2018
Jul–Aug 2017
2-Month
9.44"
(239.78mm)
7.66"
(194.56mm)
1.78"
(45.22mm)
87th Driest
Driest since:
1977
12th Wettest
Wettest since:
2022
Ties: 2014
Jun–Aug 2017
3-Month
11.53"
(292.86mm)
10.00"
(254.00mm)
1.53"
(38.86mm)
76th Driest
Driest since:
1957
23rd Wettest
Wettest since:
2014
May–Aug 2017
4-Month
14.29"
(362.97mm)
12.11"
(307.59mm)
2.18"
(55.38mm)
88th Driest
Driest since:
1957
11th Wettest
Wettest since:
1998
Apr–Aug 2017
5-Month
15.19"
(385.83mm)
14.00"
(355.60mm)
1.19"
(30.23mm)
73rd Driest
Driest since:
1957
26th Wettest
Wettest since:
1998
Mar–Aug 2017
6-Month
16.38"
(416.05mm)
16.23"
(412.24mm)
0.15"
(3.81mm)
47th Driest
Driest since:
1957
52nd Wettest
Wettest since:
1998
Feb–Aug 2017
7-Month
18.72"
(475.49mm)
18.55"
(471.17mm)
0.17"
(4.32mm)
48th Driest
Driest since:
1957
51st Wettest
Wettest since:
1963
Jan–Aug 2017
8-Month
21.62"
(549.15mm)
21.28"
(540.51mm)
0.34"
(8.64mm)
49th Driest
Driest since:
1969
50th Wettest
Wettest since:
1963
Ties: 1970
Dec 2016–Aug 2017
9-Month
23.72"
(602.49mm)
24.38"
(619.25mm)
-0.66"
(-16.76mm)
35th Driest
Driest since:
1969
63rd Wettest
Wettest since:
1944
Nov 2016–Aug 2017
10-Month
26.62"
(676.15mm)
27.76"
(705.10mm)
-1.14"
(-28.95mm)
30th Driest
Driest since:
1969
68th Wettest
Wettest since:
1944
Oct 2016–Aug 2017
11-Month
28.32"
(719.33mm)
32.15"
(816.61mm)
-3.83"
(-97.28mm)
11th Driest
Driest since:
1969
87th Wettest
Wettest since:
1944
Sep 2016–Aug 2017
12-Month
34.21"
(868.93mm)
36.70"
(932.18mm)
-2.49"
(-63.25mm)
17th Driest
Driest since:
1969
81st Wettest
Wettest since:
1944
Ties: 1968
Mar 2016–Aug 2017
18-Month
53.50"
(1,358.90mm)
52.92"
(1,344.17mm)
0.58"
(14.73mm)
53rd Driest
Driest since:
1969
45th Wettest
Wettest since:
1944
Sep 2015–Aug 2017
24-Month
76.10"
(1,932.94mm)
73.26"
(1,860.80mm)
2.84"
(72.14mm)
63rd Driest
Driest since:
1969
34th Wettest
Wettest since:
1930
Sep 2014–Aug 2017
36-Month
112.17"
(2,849.12mm)
109.83"
(2,789.68mm)
2.34"
(59.44mm)
51st Driest
Driest since:
1974
45th Wettest
Wettest since:
1931
Sep 2013–Aug 2017
48-Month
154.56"
(3,925.82mm)
146.33"
(3,716.78mm)
8.23"
(209.04mm)
75th Driest
Driest since:
1972
20th Wettest
Wettest since:
1932
Sep 2012–Aug 2017
60-Month
190.99"
(4,851.15mm)
182.81"
(4,643.37mm)
8.18"
(207.78mm)
67th Driest
Driest since:
1976
27th Wettest
Wettest since:
1932

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