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, April 1937

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
April 1937 1-Month	0.14" (3.56mm)	0.57" (14.48mm)	-0.43" (-10.92mm)	21st Driest	Driest since: 1904	1989, 1991
	0.14" (3.56mm)	0.57" (14.48mm)	-0.43" (-10.92mm)	109th Wettest	Wettest since: 1936	1926
	Ties: 1901
Mar–Apr 1937 2-Month	1.87" (47.50mm)	1.69" (42.93mm)	0.18" (4.57mm)	93rd Driest	Driest since: 1936	2008
Mar–Apr 1937 2-Month	1.87" (47.50mm)	1.69" (42.93mm)	0.18" (4.57mm)	37th Wettest	Wettest since: 1930	1905
Feb–Apr 1937 3-Month	3.21" (81.53mm)	2.83" (71.88mm)	0.38" (9.65mm)	94th Driest	Driest since: 1936	1972
Feb–Apr 1937 3-Month	3.21" (81.53mm)	2.83" (71.88mm)	0.38" (9.65mm)	36th Wettest	Wettest since: 1935	1905
Jan–Apr 1937 4-Month	4.75" (120.65mm)	3.98" (101.09mm)	0.77" (19.56mm)	97th Driest	Driest since: 1936	1972
	4.75" (120.65mm)	3.98" (101.09mm)	0.77" (19.56mm)	33rd Wettest	Wettest since: 1935	1905
	Ties: 1917, 1944
Dec 1936–Apr 1937 5-Month	6.76" (171.70mm)	5.16" (131.06mm)	1.60" (40.64mm)	104th Driest	Driest since: 1936	1904
Dec 1936–Apr 1937 5-Month	6.76" (171.70mm)	5.16" (131.06mm)	1.60" (40.64mm)	25th Wettest	Wettest since: 1935	1905
Nov 1936–Apr 1937 6-Month	7.47" (189.74mm)	6.01" (152.65mm)	1.46" (37.09mm)	101st Driest	Driest since: 1936	1904
Nov 1936–Apr 1937 6-Month	7.47" (189.74mm)	6.01" (152.65mm)	1.46" (37.09mm)	28th Wettest	Wettest since: 1935	1905
Oct 1936–Apr 1937 7-Month	8.36" (212.34mm)	6.89" (175.01mm)	1.47" (37.33mm)	98th Driest	Driest since: 1936	1904
Oct 1936–Apr 1937 7-Month	8.36" (212.34mm)	6.89" (175.01mm)	1.47" (37.33mm)	31st Wettest	Wettest since: 1932	1941
Sep 1936–Apr 1937 8-Month	9.67" (245.62mm)	8.08" (205.23mm)	1.59" (40.39mm)	99th Driest	Driest since: 1936	2002
Sep 1936–Apr 1937 8-Month	9.67" (245.62mm)	8.08" (205.23mm)	1.59" (40.39mm)	30th Wettest	Wettest since: 1932	1941
Aug 1936–Apr 1937 9-Month	11.71" (297.43mm)	10.16" (258.06mm)	1.55" (39.37mm)	95th Driest	Driest since: 1936	2021
	11.71" (297.43mm)	10.16" (258.06mm)	1.55" (39.37mm)	34th Wettest	Wettest since: 1932	1941
	Ties: 1916
Jul 1936–Apr 1937 10-Month	13.90" (353.06mm)	11.97" (304.04mm)	1.93" (49.02mm)	98th Driest	Driest since: 1936	2021
Jul 1936–Apr 1937 10-Month	13.90" (353.06mm)	11.97" (304.04mm)	1.93" (49.02mm)	31st Wettest	Wettest since: 1932	1941
Jun 1936–Apr 1937 11-Month	14.11" (358.39mm)	12.25" (311.15mm)	1.86" (47.24mm)	95th Driest	Driest since: 1936	2021
Jun 1936–Apr 1937 11-Month	14.11" (358.39mm)	12.25" (311.15mm)	1.86" (47.24mm)	34th Wettest	Wettest since: 1932	1941
May 1936–Apr 1937 12-Month	14.27" (362.46mm)	12.59" (319.79mm)	1.68" (42.67mm)	94th Driest	Driest since: 1936	2021
May 1936–Apr 1937 12-Month	14.27" (362.46mm)	12.59" (319.79mm)	1.68" (42.67mm)	35th Wettest	Wettest since: 1932	1941
Nov 1935–Apr 1937 18-Month	19.50" (495.30mm)	18.61" (472.69mm)	0.89" (22.61mm)	88th Driest	Driest since: 1935	1903
Nov 1935–Apr 1937 18-Month	19.50" (495.30mm)	18.61" (472.69mm)	0.89" (22.61mm)	40th Wettest	Wettest since: 1936	1993
May 1935–Apr 1937 24-Month	26.24" (666.50mm)	25.16" (639.06mm)	1.08" (27.44mm)	86th Driest	Driest since: 1936	1904
May 1935–Apr 1937 24-Month	26.24" (666.50mm)	25.16" (639.06mm)	1.08" (27.44mm)	42nd Wettest	Wettest since: 1933	1906
May 1934–Apr 1937 36-Month	39.82" (1,011.43mm)	37.71" (957.83mm)	2.11" (53.60mm)	92nd Driest	Driest since: 1936	1904
May 1934–Apr 1937 36-Month	39.82" (1,011.43mm)	37.71" (957.83mm)	2.11" (53.60mm)	35th Wettest	Wettest since: 1933	1907
May 1933–Apr 1937 48-Month	49.80" (1,264.92mm)	50.22" (1,275.59mm)	-0.42" (-10.67mm)	77th Driest	Driest since: 1936	1904
	49.80" (1,264.92mm)	50.22" (1,275.59mm)	-0.42" (-10.67mm)	49th Wettest	Wettest since: 1935	1908
	Ties: 2020
May 1932–Apr 1937 60-Month	61.21" (1,554.73mm)	62.77" (1,594.36mm)	-1.56" (-39.63mm)	63rd Driest	Driest since: 1929	1904
May 1932–Apr 1937 60-Month	61.21" (1,554.73mm)	62.77" (1,594.36mm)	-1.56" (-39.63mm)	62nd Wettest	Wettest since: 1936	1909

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published June 2023, retrieved on June 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings