Statewide Rankings

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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

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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
September 2022 1-Month	6.22" (157.99mm)	4.57" (116.08mm)	1.65" (41.91mm)	93rd Driest	Driest since: 2021	1969
September 2022 1-Month	6.22" (157.99mm)	4.57" (116.08mm)	1.65" (41.91mm)	6th Wettest	Wettest since: 2012	1925
Aug–Sep 2022 2-Month	12.55" (318.77mm)	8.95" (227.33mm)	3.60" (91.44mm)	98th Driest	Driest since: 2021	1941
Aug–Sep 2022 2-Month	12.55" (318.77mm)	8.95" (227.33mm)	3.60" (91.44mm)	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: 2021	1968
Jul–Sep 2022 3-Month	16.90" (429.26mm)	12.23" (310.64mm)	4.67" (118.62mm)	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: 2021	1968
	18.07" (458.98mm)	14.57" (370.08mm)	3.50" (88.90mm)	3rd Wettest	Wettest since: 2014	2012
	Ties: 2014
May–Sep 2022 5-Month	19.33" (490.98mm)	16.68" (423.67mm)	2.65" (67.31mm)	87th Driest	Driest since: 2021	1969
May–Sep 2022 5-Month	19.33" (490.98mm)	16.68" (423.67mm)	2.65" (67.31mm)	12th Wettest	Wettest since: 2017	2012
Apr–Sep 2022 6-Month	20.32" (516.13mm)	18.57" (471.68mm)	1.75" (44.45mm)	75th Driest	Driest since: 2021	1969
Apr–Sep 2022 6-Month	20.32" (516.13mm)	18.57" (471.68mm)	1.75" (44.45mm)	24th Wettest	Wettest since: 2017	1961
Mar–Sep 2022 7-Month	22.81" (579.37mm)	20.80" (528.32mm)	2.01" (51.05mm)	78th Driest	Driest since: 2021	1969
	22.81" (579.37mm)	20.80" (528.32mm)	2.01" (51.05mm)	21st Wettest	Wettest since: 2016	2016
	Ties: 2014
Feb–Sep 2022 8-Month	27.14" (689.36mm)	23.12" (587.25mm)	4.02" (102.11mm)	95th Driest	Driest since: 2021	1969
Feb–Sep 2022 8-Month	27.14" (689.36mm)	23.12" (587.25mm)	4.02" (102.11mm)	4th Wettest	Wettest since: 2016	1928
Jan–Sep 2022 9-Month	30.71" (780.03mm)	25.85" (656.59mm)	4.86" (123.44mm)	97th Driest	Driest since: 2021	1969
Jan–Sep 2022 9-Month	30.71" (780.03mm)	25.85" (656.59mm)	4.86" (123.44mm)	2nd Wettest	Wettest since: 1928	1928
Dec 2021–Sep 2022 10-Month	34.55" (877.57mm)	28.92" (734.57mm)	5.63" (143.00mm)	94th Driest	Driest since: 2021	1969
	34.55" (877.57mm)	28.92" (734.57mm)	5.63" (143.00mm)	4th Wettest	Wettest since: 2012	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: 2021	1969
Nov 2021–Sep 2022 11-Month	36.89" (937.01mm)	32.29" (820.17mm)	4.60" (116.84mm)	8th Wettest	Wettest since: 2016	1944
Oct 2021–Sep 2022 12-Month	41.68" (1,058.67mm)	36.68" (931.67mm)	5.00" (127.00mm)	88th Driest	Driest since: 2021	1969
Oct 2021–Sep 2022 12-Month	41.68" (1,058.67mm)	36.68" (931.67mm)	5.00" (127.00mm)	10th Wettest	Wettest since: 2014	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: 2021	1969
Apr 2021–Sep 2022 18-Month	61.52" (1,562.61mm)	55.22" (1,402.59mm)	6.30" (160.02mm)	8th Wettest	Wettest since: 2016	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: 2021	1969
Oct 2020–Sep 2022 24-Month	80.90" (2,054.86mm)	73.25" (1,860.55mm)	7.65" (194.31mm)	9th Wettest	Wettest since: 2006	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: 2021	1974
Oct 2019–Sep 2022 36-Month	120.29" (3,055.37mm)	109.82" (2,789.43mm)	10.47" (265.94mm)	6th Wettest	Wettest since: 2016	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: 2021	1969
Oct 2018–Sep 2022 48-Month	156.74" (3,981.20mm)	146.31" (3,716.27mm)	10.43" (264.93mm)	9th Wettest	Wettest since: 2006	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: 2021	1972
Oct 2017–Sep 2022 60-Month	194.35" (4,936.49mm)	182.77" (4,642.36mm)	11.58" (294.13mm)	11th Wettest	Wettest since: 2016	1932

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings