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 1927

View Period (Months):
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  • Record Wettest
Period Value 1925-2000
Mean
Anomaly Rank
(1925-2022)
Wettest/Driest
Since
Record
September 1927
1-Month
4.47"
(113.54mm)
4.57"
(116.08mm)
-0.10"
(-2.54mm)
46th Driest
Driest since:
1969
53rd Wettest
Wettest since:
1925
Aug–Sep 1927
2-Month
8.84"
(224.54mm)
8.95"
(227.33mm)
-0.11"
(-2.79mm)
49th Driest
Driest since:
1941
50th Wettest
Wettest since:
2022
Jul–Sep 1927
3-Month
11.47"
(291.34mm)
12.23"
(310.64mm)
-0.76"
(-19.30mm)
25th Driest
Driest since:
1968
74th Wettest
Wettest since:
2022
Jun–Sep 1927
4-Month
13.72"
(348.49mm)
14.57"
(370.08mm)
-0.85"
(-21.59mm)
25th Driest
Driest since:
1968
74th Wettest
Wettest since:
2012
May–Sep 1927
5-Month
15.35"
(389.89mm)
16.68"
(423.67mm)
-1.33"
(-33.78mm)
22nd Driest
Driest since:
1969
77th Wettest
Wettest since:
2012
Apr–Sep 1927
6-Month
17.23"
(437.64mm)
18.57"
(471.68mm)
-1.34"
(-34.04mm)
21st Driest
Driest since:
1969
78th Wettest
Wettest since:
1961
Mar–Sep 1927
7-Month
20.00"
(508.00mm)
20.80"
(528.32mm)
-0.80"
(-20.32mm)
30th Driest
Driest since:
1969
69th Wettest
Wettest since:
2016
Ties: 2010
Feb–Sep 1927
8-Month
22.31"
(566.67mm)
23.12"
(587.25mm)
-0.81"
(-20.58mm)
31st Driest
Driest since:
1969
68th Wettest
Wettest since:
1928
Jan–Sep 1927
9-Month
25.48"
(647.19mm)
25.85"
(656.59mm)
-0.37"
(-9.40mm)
40th Driest
Driest since:
1969
59th Wettest
Wettest since:
1928
Dec 1926–Sep 1927
10-Month
29.44"
(747.78mm)
28.92"
(734.57mm)
0.52"
(13.21mm)
49th Driest
Driest since:
1969
49th Wettest
Wettest since:
1928
Nov 1926–Sep 1927
11-Month
31.73"
(805.94mm)
32.29"
(820.17mm)
-0.56"
(-14.23mm)
38th Driest
Driest since:
1969
60th Wettest
Wettest since:
1944
Oct 1926–Sep 1927
12-Month
36.89"
(937.01mm)
36.68"
(931.67mm)
0.21"
(5.34mm)
45th Driest
Driest since:
1969
53rd Wettest
Wettest since:
1944
Apr 1926–Sep 1927
18-Month
53.61"
(1,361.69mm)
55.22"
(1,402.59mm)
-1.61"
(-40.90mm)
24th Driest
Driest since:
1969
74th Wettest
Wettest since:
1944
Oct 1925–Sep 1927
24-Month
77.58"
(1,970.53mm)
73.25"
(1,860.55mm)
4.33"
(109.98mm)
73rd Driest
Driest since:
1969
24th Wettest
Wettest to Date
1930

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