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.

Arizona

Precipitation Rankings, April 2021

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Record Driest

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
April 2021 1-Month	0.19" (4.83mm)	0.57" (14.48mm)	-0.38" (-9.65mm)	30th Driest	Driest since: 2018	1989, 1991
	0.19" (4.83mm)	0.57" (14.48mm)	-0.38" (-9.65mm)	99th Wettest	Wettest since: 2020	1926
	Ties: 1909, 1961, 2017
Mar–Apr 2021 2-Month	0.92" (23.37mm)	1.69" (42.93mm)	-0.77" (-19.56mm)	36th Driest	Driest since: 2018	2008
	0.92" (23.37mm)	1.69" (42.93mm)	-0.77" (-19.56mm)	93rd Wettest	Wettest since: 2020	1905
	Ties: 1896
Feb–Apr 2021 3-Month	1.15" (29.21mm)	2.83" (71.88mm)	-1.68" (-42.67mm)	19th Driest	Driest since: 2002	1972
	1.15" (29.21mm)	2.83" (71.88mm)	-1.68" (-42.67mm)	110th Wettest	Wettest since: 2020	1905
	Ties: 1910
Jan–Apr 2021 4-Month	2.46" (62.48mm)	3.98" (101.09mm)	-1.52" (-38.61mm)	33rd Driest	Driest since: 2018	1972
Jan–Apr 2021 4-Month	2.46" (62.48mm)	3.98" (101.09mm)	-1.52" (-38.61mm)	96th Wettest	Wettest since: 2020	1905
Dec 2020–Apr 2021 5-Month	2.75" (69.85mm)	5.16" (131.06mm)	-2.41" (-61.21mm)	19th Driest	Driest since: 2018	1904
	2.75" (69.85mm)	5.16" (131.06mm)	-2.41" (-61.21mm)	109th Wettest	Wettest since: 2020	1905
	Ties: 2000
Nov 2020–Apr 2021 6-Month	3.02" (76.71mm)	6.01" (152.65mm)	-2.99" (-75.94mm)	15th Driest	Driest since: 2018	1904
Nov 2020–Apr 2021 6-Month	3.02" (76.71mm)	6.01" (152.65mm)	-2.99" (-75.94mm)	113th Wettest	Wettest since: 2020	1905
Oct 2020–Apr 2021 7-Month	3.16" (80.26mm)	6.89" (175.01mm)	-3.73" (-94.75mm)	9th Driest	Driest since: 2018	1904
Oct 2020–Apr 2021 7-Month	3.16" (80.26mm)	6.89" (175.01mm)	-3.73" (-94.75mm)	119th Wettest	Wettest since: 2020	1941
Sep 2020–Apr 2021 8-Month	3.27" (83.06mm)	8.08" (205.23mm)	-4.81" (-122.17mm)	6th Driest	Driest since: 2018	2002
Sep 2020–Apr 2021 8-Month	3.27" (83.06mm)	8.08" (205.23mm)	-4.81" (-122.17mm)	122nd Wettest	Wettest since: 2020	1941
Aug 2020–Apr 2021 9-Month	3.87" (98.30mm)	10.16" (258.06mm)	-6.29" (-159.76mm)	1st Driest	Driest since: 2021	2021
Aug 2020–Apr 2021 9-Month	3.87" (98.30mm)	10.16" (258.06mm)	-6.29" (-159.76mm)	127th Wettest	Wettest since: 2020	1941
Jul 2020–Apr 2021 10-Month	4.58" (116.33mm)	11.97" (304.04mm)	-7.39" (-187.71mm)	1st Driest	Driest since: 2021	2021
Jul 2020–Apr 2021 10-Month	4.58" (116.33mm)	11.97" (304.04mm)	-7.39" (-187.71mm)	127th Wettest	Wettest since: 2020	1941
Jun 2020–Apr 2021 11-Month	4.62" (117.35mm)	12.25" (311.15mm)	-7.63" (-193.80mm)	1st Driest	Driest since: 2021	2021
Jun 2020–Apr 2021 11-Month	4.62" (117.35mm)	12.25" (311.15mm)	-7.63" (-193.80mm)	127th Wettest	Wettest since: 2020	1941
May 2020–Apr 2021 12-Month	4.73" (120.14mm)	12.59" (319.79mm)	-7.86" (-199.65mm)	1st Driest	Driest since: 2021	2021
May 2020–Apr 2021 12-Month	4.73" (120.14mm)	12.59" (319.79mm)	-7.86" (-199.65mm)	127th Wettest	Wettest since: 2020	1941
Nov 2019–Apr 2021 18-Month	13.61" (345.69mm)	18.61" (472.69mm)	-5.00" (-127.00mm)	17th Driest	Driest since: 2012	1903
Nov 2019–Apr 2021 18-Month	13.61" (345.69mm)	18.61" (472.69mm)	-5.00" (-127.00mm)	110th Wettest	Wettest since: 2020	1993
May 2019–Apr 2021 24-Month	17.95" (455.93mm)	25.16" (639.06mm)	-7.21" (-183.13mm)	9th Driest	Driest since: 2007	1904
May 2019–Apr 2021 24-Month	17.95" (455.93mm)	25.16" (639.06mm)	-7.21" (-183.13mm)	118th Wettest	Wettest since: 2020	1906
May 2018–Apr 2021 36-Month	33.27" (845.06mm)	37.71" (957.83mm)	-4.44" (-112.77mm)	35th Driest	Driest since: 2014	1904
May 2018–Apr 2021 36-Month	33.27" (845.06mm)	37.71" (957.83mm)	-4.44" (-112.77mm)	91st Wettest	Wettest since: 2020	1907
May 2017–Apr 2021 48-Month	40.92" (1,039.37mm)	50.22" (1,275.59mm)	-9.30" (-236.22mm)	11th Driest	Driest since: 2014	1904
May 2017–Apr 2021 48-Month	40.92" (1,039.37mm)	50.22" (1,275.59mm)	-9.30" (-236.22mm)	114th Wettest	Wettest since: 2020	1908
May 2016–Apr 2021 60-Month	54.53" (1,385.06mm)	62.77" (1,594.36mm)	-8.24" (-209.30mm)	24th Driest	Driest since: 2015	1904
May 2016–Apr 2021 60-Month	54.53" (1,385.06mm)	62.77" (1,594.36mm)	-8.24" (-209.30mm)	100th Wettest	Wettest since: 2020	1909

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings