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 1929

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  • Record Wettest
PeriodValue1925-2000
Mean		AnomalyRank
(1925-2022)		Wettest/Driest
Since		Record
September 1929
1-Month		4.70"
(119.38mm)		4.57"
(116.08mm)		0.13"
(3.30mm)		52nd Driest
Driest since:
1969
47th Wettest
Wettest since:
1925
Aug–Sep 1929
2-Month		8.81"
(223.77mm)		8.95"
(227.33mm)		-0.14"
(-3.56mm)		46th Driest
Driest since:
1941
53rd Wettest
Wettest since:
2022
Jul–Sep 1929
3-Month		13.08"
(332.23mm)		12.23"
(310.64mm)		0.85"
(21.59mm)		67th Driest
Driest since:
1968
32nd Wettest
Wettest since:
2022
Ties: 2013
Jun–Sep 1929
4-Month		14.87"
(377.70mm)		14.57"
(370.08mm)		0.30"
(7.62mm)		53rd Driest
Driest since:
1968
46th Wettest
Wettest since:
2012
Ties: 1975
May–Sep 1929
5-Month		17.41"
(442.21mm)		16.68"
(423.67mm)		0.73"
(18.54mm)		58th Driest
Driest since:
1969
41st Wettest
Wettest since:
2012
Apr–Sep 1929
6-Month		19.59"
(497.59mm)		18.57"
(471.68mm)		1.02"
(25.91mm)		65th Driest
Driest since:
1969
34th Wettest
Wettest since:
1961
Mar–Sep 1929
7-Month		22.68"
(576.07mm)		20.80"
(528.32mm)		1.88"
(47.75mm)		75th Driest
Driest since:
1969
24th Wettest
Wettest since:
2016
Feb–Sep 1929
8-Month		26.61"
(675.89mm)		23.12"
(587.25mm)		3.49"
(88.64mm)		92nd Driest
Driest since:
1969
7th Wettest
Wettest since:
1928
Jan–Sep 1929
9-Month		30.51"
(774.95mm)		25.85"
(656.59mm)		4.66"
(118.36mm)		96th Driest
Driest since:
1969
3rd Wettest
Wettest since:
1928
Dec 1928–Sep 1929
10-Month		34.57"
(878.08mm)		28.92"
(734.57mm)		5.65"
(143.51mm)		94th Driest
Driest since:
1969
4th Wettest
Wettest since:
1928
Nov 1928–Sep 1929
11-Month		39.19"
(995.43mm)		32.29"
(820.17mm)		6.90"
(175.26mm)		96th Driest
Driest since:
1969
2nd Wettest
Wettest to Date
1944
Oct 1928–Sep 1929
12-Month		42.59"
(1,081.79mm)		36.68"
(931.67mm)		5.91"
(150.12mm)		93rd Driest
Driest since:
1969
5th Wettest
Wettest to Date
1944
Apr 1928–Sep 1929
18-Month		64.00"
(1,625.60mm)		55.22"
(1,402.59mm)		8.78"
(223.01mm)		95th Driest
Driest since:
1969
3rd Wettest
Wettest to Date
1944
Oct 1927–Sep 1929
24-Month		82.86"
(2,104.64mm)		73.25"
(1,860.55mm)		9.61"
(244.09mm)		95th Driest
Driest since:
1969
2nd Wettest
Wettest to Date
1930
Oct 1926–Sep 1929
36-Month		119.75"
(3,041.65mm)		109.82"
(2,789.43mm)		9.93"
(252.22mm)		89th Driest
Driest since:
1974
7th Wettest
Wettest to Date
1930
Oct 1925–Sep 1929
48-Month		160.44"
(4,075.18mm)		146.31"
(3,716.27mm)		14.13"
(358.91mm)		91st Driest
Driest to Date
1969
4th Wettest
Wettest to Date
1932

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