Statewide Rankings

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Month:

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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 2012

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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 2012 1-Month	7.25" (184.15mm)	4.57" (116.08mm)	2.68" (68.07mm)	97th Driest	Driest since: 2011	1969
September 2012 1-Month	7.25" (184.15mm)	4.57" (116.08mm)	2.68" (68.07mm)	2nd Wettest	Wettest since: 1925	1925
Aug–Sep 2012 2-Month	11.77" (298.96mm)	8.95" (227.33mm)	2.82" (71.63mm)	97th Driest	Driest since: 2011	1941
Aug–Sep 2012 2-Month	11.77" (298.96mm)	8.95" (227.33mm)	2.82" (71.63mm)	2nd Wettest	Wettest to Date	2022
Jul–Sep 2012 3-Month	15.98" (405.89mm)	12.23" (310.64mm)	3.75" (95.25mm)	97th Driest	Driest since: 2011	1968
Jul–Sep 2012 3-Month	15.98" (405.89mm)	12.23" (310.64mm)	3.75" (95.25mm)	2nd Wettest	Wettest to Date	2022
Jun–Sep 2012 4-Month	18.86" (479.04mm)	14.57" (370.08mm)	4.29" (108.96mm)	98th Driest	Driest since: 2011	1968
Jun–Sep 2012 4-Month	18.86" (479.04mm)	14.57" (370.08mm)	4.29" (108.96mm)	1st Wettest	Wettest to Date	2012
May–Sep 2012 5-Month	21.49" (545.85mm)	16.68" (423.67mm)	4.81" (122.18mm)	98th Driest	Driest since: 2011	1969
May–Sep 2012 5-Month	21.49" (545.85mm)	16.68" (423.67mm)	4.81" (122.18mm)	1st Wettest	Wettest to Date	2012
Apr–Sep 2012 6-Month	22.54" (572.52mm)	18.57" (471.68mm)	3.97" (100.84mm)	95th Driest	Driest since: 2011	1969
Apr–Sep 2012 6-Month	22.54" (572.52mm)	18.57" (471.68mm)	3.97" (100.84mm)	4th Wettest	Wettest since: 1998	1961
Mar–Sep 2012 7-Month	24.36" (618.74mm)	20.80" (528.32mm)	3.56" (90.42mm)	94th Driest	Driest since: 2011	1969
Mar–Sep 2012 7-Month	24.36" (618.74mm)	20.80" (528.32mm)	3.56" (90.42mm)	5th Wettest	Wettest since: 1998	2016
Feb–Sep 2012 8-Month	27.10" (688.34mm)	23.12" (587.25mm)	3.98" (101.09mm)	94th Driest	Driest since: 2011	1969
Feb–Sep 2012 8-Month	27.10" (688.34mm)	23.12" (587.25mm)	3.98" (101.09mm)	5th Wettest	Wettest since: 1961	1928
Jan–Sep 2012 9-Month	29.89" (759.21mm)	25.85" (656.59mm)	4.04" (102.62mm)	93rd Driest	Driest since: 2011	1969
Jan–Sep 2012 9-Month	29.89" (759.21mm)	25.85" (656.59mm)	4.04" (102.62mm)	6th Wettest	Wettest since: 1963	1928
Dec 2011–Sep 2012 10-Month	34.55" (877.57mm)	28.92" (734.57mm)	5.63" (143.00mm)	94th Driest	Driest since: 2011	1969
	34.55" (877.57mm)	28.92" (734.57mm)	5.63" (143.00mm)	4th Wettest	Wettest since: 1944	1928
	Ties: 2022
Nov 2011–Sep 2012 11-Month	37.83" (960.88mm)	32.29" (820.17mm)	5.54" (140.71mm)	94th Driest	Driest since: 2011	1969
Nov 2011–Sep 2012 11-Month	37.83" (960.88mm)	32.29" (820.17mm)	5.54" (140.71mm)	4th Wettest	Wettest since: 2005	1944
Oct 2011–Sep 2012 12-Month	41.99" (1,066.55mm)	36.68" (931.67mm)	5.31" (134.88mm)	92nd Driest	Driest since: 2011	1969
Oct 2011–Sep 2012 12-Month	41.99" (1,066.55mm)	36.68" (931.67mm)	5.31" (134.88mm)	6th Wettest	Wettest since: 2005	1944
Apr 2011–Sep 2012 18-Month	62.38" (1,584.45mm)	55.22" (1,402.59mm)	7.16" (181.86mm)	93rd Driest	Driest since: 2011	1969
Apr 2011–Sep 2012 18-Month	62.38" (1,584.45mm)	55.22" (1,402.59mm)	7.16" (181.86mm)	5th Wettest	Wettest since: 1944	1944
Oct 2010–Sep 2012 24-Month	78.95" (2,005.33mm)	73.25" (1,860.55mm)	5.70" (144.78mm)	78th Driest	Driest since: 2011	1969
Oct 2010–Sep 2012 24-Month	78.95" (2,005.33mm)	73.25" (1,860.55mm)	5.70" (144.78mm)	19th Wettest	Wettest since: 2006	1930
Oct 2009–Sep 2012 36-Month	111.74" (2,838.20mm)	109.82" (2,789.43mm)	1.92" (48.77mm)	47th Driest	Driest since: 2011	1974
Oct 2009–Sep 2012 36-Month	111.74" (2,838.20mm)	109.82" (2,789.43mm)	1.92" (48.77mm)	49th Wettest	Wettest since: 2007	1930
Oct 2008–Sep 2012 48-Month	148.02" (3,759.71mm)	146.31" (3,716.27mm)	1.71" (43.44mm)	44th Driest	Driest since: 2011	1969
Oct 2008–Sep 2012 48-Month	148.02" (3,759.71mm)	146.31" (3,716.27mm)	1.71" (43.44mm)	51st Wettest	Wettest since: 2008	1932
Oct 2007–Sep 2012 60-Month	184.79" (4,693.67mm)	182.77" (4,642.36mm)	2.02" (51.31mm)	45th Driest	Driest since: 2011	1972
Oct 2007–Sep 2012 60-Month	184.79" (4,693.67mm)	182.77" (4,642.36mm)	2.02" (51.31mm)	49th Wettest	Wettest since: 2009	1932

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings