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, August 2018

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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
August 2018 1-Month	2.00" (50.80mm)	2.10" (53.34mm)	-0.10" (-2.54mm)	66th Driest	Driest since: 2017	2020
	2.00" (50.80mm)	2.10" (53.34mm)	-0.10" (-2.54mm)	63rd Wettest	Wettest since: 2016	1951
	Ties: 1969
Jul–Aug 2018 2-Month	4.59" (116.59mm)	3.90" (99.06mm)	0.69" (17.53mm)	94th Driest	Driest since: 2017	2020
	4.59" (116.59mm)	3.90" (99.06mm)	0.69" (17.53mm)	35th Wettest	Wettest since: 2014	1921
	Ties: 1930
Jun–Aug 2018 3-Month	4.92" (124.97mm)	4.19" (106.43mm)	0.73" (18.54mm)	99th Driest	Driest since: 2017	2020
	4.92" (124.97mm)	4.19" (106.43mm)	0.73" (18.54mm)	30th Wettest	Wettest since: 2014	1921
	Ties: 1953
May–Aug 2018 4-Month	5.07" (128.78mm)	4.53" (115.06mm)	0.54" (13.72mm)	92nd Driest	Driest since: 2017	2020
	5.07" (128.78mm)	4.53" (115.06mm)	0.54" (13.72mm)	37th Wettest	Wettest since: 2015	1921
	Ties: 2014
Apr–Aug 2018 5-Month	5.11" (129.79mm)	5.10" (129.54mm)	0.01" (0.25mm)	67th Driest	Driest since: 2017	2020
Apr–Aug 2018 5-Month	5.11" (129.79mm)	5.10" (129.54mm)	0.01" (0.25mm)	62nd Wettest	Wettest since: 2016	1921
Mar–Aug 2018 6-Month	5.55" (140.97mm)	6.22" (157.99mm)	-0.67" (-17.02mm)	50th Driest	Driest since: 2017	2002
	5.55" (140.97mm)	6.22" (157.99mm)	-0.67" (-17.02mm)	79th Wettest	Wettest since: 2016	1992
	Ties: 1980
Feb–Aug 2018 7-Month	6.62" (168.15mm)	7.36" (186.94mm)	-0.74" (-18.79mm)	50th Driest	Driest since: 2017	2002
Feb–Aug 2018 7-Month	6.62" (168.15mm)	7.36" (186.94mm)	-0.74" (-18.79mm)	79th Wettest	Wettest since: 2015	1905
Jan–Aug 2018 8-Month	7.18" (182.37mm)	8.51" (216.15mm)	-1.33" (-33.78mm)	41st Driest	Driest since: 2014	2002
Jan–Aug 2018 8-Month	7.18" (182.37mm)	8.51" (216.15mm)	-1.33" (-33.78mm)	88th Wettest	Wettest since: 2017	1905
Dec 2017–Aug 2018 9-Month	7.31" (185.67mm)	9.69" (246.13mm)	-2.38" (-60.46mm)	25th Driest	Driest since: 2014	2002
Dec 2017–Aug 2018 9-Month	7.31" (185.67mm)	9.69" (246.13mm)	-2.38" (-60.46mm)	103rd Wettest	Wettest since: 2017	1941
Nov 2017–Aug 2018 10-Month	7.33" (186.18mm)	10.54" (267.72mm)	-3.21" (-81.54mm)	12th Driest	Driest since: 2011	2002
Nov 2017–Aug 2018 10-Month	7.33" (186.18mm)	10.54" (267.72mm)	-3.21" (-81.54mm)	116th Wettest	Wettest since: 2017	1941
Oct 2017–Aug 2018 11-Month	7.36" (186.94mm)	11.42" (290.07mm)	-4.06" (-103.13mm)	8th Driest	Driest since: 2002	2002
Oct 2017–Aug 2018 11-Month	7.36" (186.94mm)	11.42" (290.07mm)	-4.06" (-103.13mm)	120th Wettest	Wettest since: 2017	1941
Sep 2017–Aug 2018 12-Month	7.97" (202.44mm)	12.61" (320.29mm)	-4.64" (-117.85mm)	8th Driest	Driest since: 2002	2002
Sep 2017–Aug 2018 12-Month	7.97" (202.44mm)	12.61" (320.29mm)	-4.64" (-117.85mm)	120th Wettest	Wettest since: 2017	1941
Mar 2017–Aug 2018 18-Month	13.32" (338.33mm)	18.81" (477.77mm)	-5.49" (-139.44mm)	5th Driest	Driest since: 2002	1902
Mar 2017–Aug 2018 18-Month	13.32" (338.33mm)	18.81" (477.77mm)	-5.49" (-139.44mm)	123rd Wettest	Wettest since: 2017	1993
Sep 2016–Aug 2018 24-Month	21.42" (544.07mm)	25.20" (640.08mm)	-3.78" (-96.01mm)	30th Driest	Driest since: 2012	1900
	21.42" (544.07mm)	25.20" (640.08mm)	-3.78" (-96.01mm)	97th Wettest	Wettest since: 2017	1993
	Ties: 1934
Sep 2015–Aug 2018 36-Month	33.54" (851.92mm)	37.75" (958.85mm)	-4.21" (-106.93mm)	39th Driest	Driest since: 2014	1902
Sep 2015–Aug 2018 36-Month	33.54" (851.92mm)	37.75" (958.85mm)	-4.21" (-106.93mm)	87th Wettest	Wettest since: 2017	1907
Sep 2014–Aug 2018 48-Month	47.99" (1,218.95mm)	50.26" (1,276.60mm)	-2.27" (-57.65mm)	60th Driest	Driest since: 2015	1902
Sep 2014–Aug 2018 48-Month	47.99" (1,218.95mm)	50.26" (1,276.60mm)	-2.27" (-57.65mm)	65th Wettest	Wettest since: 2017	1908
Sep 2013–Aug 2018 60-Month	58.78" (1,493.01mm)	62.79" (1,594.87mm)	-4.01" (-101.86mm)	50th Driest	Driest since: 2015	1903
Sep 2013–Aug 2018 60-Month	58.78" (1,493.01mm)	62.79" (1,594.87mm)	-4.01" (-101.86mm)	74th Wettest	Wettest since: 2017	1909

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings