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.

Arizona

Precipitation Rankings, May 1921

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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
May 1921 1-Month	0.41" (10.41mm)	0.34" (8.64mm)	0.07" (1.77mm)	92nd Driest	Driest since: 1918	2022
	0.41" (10.41mm)	0.34" (8.64mm)	0.07" (1.77mm)	37th Wettest	Wettest since: 1920	1992
	Ties: 1977, 1993, 2017
Apr–May 1921 2-Month	0.74" (18.80mm)	0.91" (23.11mm)	-0.17" (-4.31mm)	66th Driest	Driest since: 1920	2022
Apr–May 1921 2-Month	0.74" (18.80mm)	0.91" (23.11mm)	-0.17" (-4.31mm)	63rd Wettest	Wettest since: 1919	1926
Mar–May 1921 3-Month	1.21" (30.73mm)	2.02" (51.31mm)	-0.81" (-20.58mm)	40th Driest	Driest since: 1913	1972
	1.21" (30.73mm)	2.02" (51.31mm)	-0.81" (-20.58mm)	89th Wettest	Wettest since: 1920	1905
	Ties: 2014
Feb–May 1921 4-Month	1.54" (39.12mm)	3.17" (80.52mm)	-1.63" (-41.40mm)	24th Driest	Driest since: 1910	1972
Feb–May 1921 4-Month	1.54" (39.12mm)	3.17" (80.52mm)	-1.63" (-41.40mm)	105th Wettest	Wettest since: 1920	1905
Jan–May 1921 5-Month	2.43" (61.72mm)	4.31" (109.47mm)	-1.88" (-47.75mm)	25th Driest	Driest since: 1904	1972
Jan–May 1921 5-Month	2.43" (61.72mm)	4.31" (109.47mm)	-1.88" (-47.75mm)	104th Wettest	Wettest since: 1920	1905
Dec 1920–May 1921 6-Month	2.64" (67.06mm)	5.50" (139.70mm)	-2.86" (-72.64mm)	15th Driest	Driest since: 1904	2002
	2.64" (67.06mm)	5.50" (139.70mm)	-2.86" (-72.64mm)	113th Wettest	Wettest since: 1920	1905
	Ties: 1956
Nov 1920–May 1921 7-Month	2.82" (71.63mm)	6.35" (161.29mm)	-3.53" (-89.66mm)	11th Driest	Driest since: 1904	1904
Nov 1920–May 1921 7-Month	2.82" (71.63mm)	6.35" (161.29mm)	-3.53" (-89.66mm)	117th Wettest	Wettest since: 1920	1941
Oct 1920–May 1921 8-Month	4.21" (106.93mm)	7.22" (183.39mm)	-3.01" (-76.46mm)	18th Driest	Driest since: 1904	1904
Oct 1920–May 1921 8-Month	4.21" (106.93mm)	7.22" (183.39mm)	-3.01" (-76.46mm)	110th Wettest	Wettest since: 1920	1941
Sep 1920–May 1921 9-Month	5.04" (128.02mm)	8.41" (213.61mm)	-3.37" (-85.59mm)	14th Driest	Driest since: 1904	2002
Sep 1920–May 1921 9-Month	5.04" (128.02mm)	8.41" (213.61mm)	-3.37" (-85.59mm)	114th Wettest	Wettest since: 1920	1941
Aug 1920–May 1921 10-Month	6.90" (175.26mm)	10.50" (266.70mm)	-3.60" (-91.44mm)	14th Driest	Driest since: 1904	2021
Aug 1920–May 1921 10-Month	6.90" (175.26mm)	10.50" (266.70mm)	-3.60" (-91.44mm)	114th Wettest	Wettest since: 1920	1941
Jul 1920–May 1921 11-Month	7.85" (199.39mm)	12.30" (312.42mm)	-4.45" (-113.03mm)	9th Driest	Driest since: 1904	2021
Jul 1920–May 1921 11-Month	7.85" (199.39mm)	12.30" (312.42mm)	-4.45" (-113.03mm)	119th Wettest	Wettest since: 1920	1941
Jun 1920–May 1921 12-Month	8.38" (212.85mm)	12.59" (319.79mm)	-4.21" (-106.94mm)	10th Driest	Driest since: 1904	2021
Jun 1920–May 1921 12-Month	8.38" (212.85mm)	12.59" (319.79mm)	-4.21" (-106.94mm)	118th Wettest	Wettest since: 1920	1941
Dec 1919–May 1921 18-Month	15.83" (402.08mm)	18.09" (459.49mm)	-2.26" (-57.41mm)	47th Driest	Driest since: 1914	2021
Dec 1919–May 1921 18-Month	15.83" (402.08mm)	18.09" (459.49mm)	-2.26" (-57.41mm)	80th Wettest	Wettest since: 1920	1993
Jun 1919–May 1921 24-Month	27.76" (705.10mm)	25.16" (639.06mm)	2.60" (66.04mm)	101st Driest	Driest since: 1919	2022
Jun 1919–May 1921 24-Month	27.76" (705.10mm)	25.16" (639.06mm)	2.60" (66.04mm)	26th Wettest	Wettest since: 1920	1993
Jun 1918–May 1921 36-Month	40.74" (1,034.80mm)	37.71" (957.83mm)	3.03" (76.97mm)	99th Driest	Driest since: 1919	1904
Jun 1918–May 1921 36-Month	40.74" (1,034.80mm)	37.71" (957.83mm)	3.03" (76.97mm)	27th Wettest	Wettest since: 1920	1907
Jun 1917–May 1921 48-Month	50.80" (1,290.32mm)	50.21" (1,275.33mm)	0.59" (14.99mm)	79th Driest	Driest since: 1914	1904
Jun 1917–May 1921 48-Month	50.80" (1,290.32mm)	50.21" (1,275.33mm)	0.59" (14.99mm)	46th Wettest	Wettest since: 1920	1908
Jun 1916–May 1921 60-Month	65.07" (1,652.78mm)	62.76" (1,594.10mm)	2.31" (58.68mm)	84th Driest	Driest since: 1914	1904
Jun 1916–May 1921 60-Month	65.07" (1,652.78mm)	62.76" (1,594.10mm)	2.31" (58.68mm)	40th Wettest	Wettest since: 1920	1909

Citing This Page

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