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 1938

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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 1938 1-Month	0.20" (5.08mm)	0.57" (14.48mm)	-0.37" (-9.40mm)	35th Driest	Driest since: 1937	1989, 1991
	0.20" (5.08mm)	0.57" (14.48mm)	-0.37" (-9.40mm)	95th Wettest	Wettest since: 1935	1926
	Ties: 2013
Mar–Apr 1938 2-Month	2.32" (58.93mm)	1.69" (42.93mm)	0.63" (16.00mm)	108th Driest	Driest since: 1937	2008
Mar–Apr 1938 2-Month	2.32" (58.93mm)	1.69" (42.93mm)	0.63" (16.00mm)	22nd Wettest	Wettest since: 1930	1905
Feb–Apr 1938 3-Month	3.91" (99.31mm)	2.83" (71.88mm)	1.08" (27.43mm)	105th Driest	Driest since: 1937	1972
Feb–Apr 1938 3-Month	3.91" (99.31mm)	2.83" (71.88mm)	1.08" (27.43mm)	25th Wettest	Wettest since: 1931	1905
Jan–Apr 1938 4-Month	4.60" (116.84mm)	3.98" (101.09mm)	0.62" (15.75mm)	92nd Driest	Driest since: 1936	1972
Jan–Apr 1938 4-Month	4.60" (116.84mm)	3.98" (101.09mm)	0.62" (15.75mm)	38th Wettest	Wettest since: 1937	1905
Dec 1937–Apr 1938 5-Month	5.66" (143.76mm)	5.16" (131.06mm)	0.50" (12.70mm)	88th Driest	Driest since: 1936	1904
Dec 1937–Apr 1938 5-Month	5.66" (143.76mm)	5.16" (131.06mm)	0.50" (12.70mm)	41st Wettest	Wettest since: 1937	1905
Nov 1937–Apr 1938 6-Month	5.73" (145.54mm)	6.01" (152.65mm)	-0.28" (-7.11mm)	74th Driest	Driest since: 1936	1904
Nov 1937–Apr 1938 6-Month	5.73" (145.54mm)	6.01" (152.65mm)	-0.28" (-7.11mm)	55th Wettest	Wettest since: 1937	1905
Oct 1937–Apr 1938 7-Month	6.07" (154.18mm)	6.89" (175.01mm)	-0.82" (-20.83mm)	62nd Driest	Driest since: 1936	1904
Oct 1937–Apr 1938 7-Month	6.07" (154.18mm)	6.89" (175.01mm)	-0.82" (-20.83mm)	67th Wettest	Wettest since: 1937	1941
Sep 1937–Apr 1938 8-Month	7.64" (194.06mm)	8.08" (205.23mm)	-0.44" (-11.17mm)	69th Driest	Driest since: 1936	2002
Sep 1937–Apr 1938 8-Month	7.64" (194.06mm)	8.08" (205.23mm)	-0.44" (-11.17mm)	60th Wettest	Wettest since: 1937	1941
Aug 1937–Apr 1938 9-Month	9.13" (231.90mm)	10.16" (258.06mm)	-1.03" (-26.16mm)	60th Driest	Driest since: 1934	2021
	9.13" (231.90mm)	10.16" (258.06mm)	-1.03" (-26.16mm)	69th Wettest	Wettest since: 1937	1941
	Ties: 1948
Jul 1937–Apr 1938 10-Month	10.74" (272.80mm)	11.97" (304.04mm)	-1.23" (-31.24mm)	58th Driest	Driest since: 1934	2021
	10.74" (272.80mm)	11.97" (304.04mm)	-1.23" (-31.24mm)	71st Wettest	Wettest since: 1937	1941
	Ties: 1933
Jun 1937–Apr 1938 11-Month	11.18" (283.97mm)	12.25" (311.15mm)	-1.07" (-27.18mm)	62nd Driest	Driest since: 1934	2021
Jun 1937–Apr 1938 11-Month	11.18" (283.97mm)	12.25" (311.15mm)	-1.07" (-27.18mm)	67th Wettest	Wettest since: 1937	1941
May 1937–Apr 1938 12-Month	11.48" (291.59mm)	12.59" (319.79mm)	-1.11" (-28.20mm)	64th Driest	Driest since: 1934	2021
May 1937–Apr 1938 12-Month	11.48" (291.59mm)	12.59" (319.79mm)	-1.11" (-28.20mm)	65th Wettest	Wettest since: 1937	1941
Nov 1936–Apr 1938 18-Month	18.95" (481.33mm)	18.61" (472.69mm)	0.34" (8.64mm)	80th Driest	Driest since: 1935	1903
Nov 1936–Apr 1938 18-Month	18.95" (481.33mm)	18.61" (472.69mm)	0.34" (8.64mm)	48th Wettest	Wettest since: 1937	1993
May 1936–Apr 1938 24-Month	25.75" (654.05mm)	25.16" (639.06mm)	0.59" (14.99mm)	83rd Driest	Driest since: 1936	1904
May 1936–Apr 1938 24-Month	25.75" (654.05mm)	25.16" (639.06mm)	0.59" (14.99mm)	45th Wettest	Wettest since: 1937	1906
May 1935–Apr 1938 36-Month	37.72" (958.09mm)	37.71" (957.83mm)	0.01" (0.26mm)	81st Driest	Driest since: 1936	1904
May 1935–Apr 1938 36-Month	37.72" (958.09mm)	37.71" (957.83mm)	0.01" (0.26mm)	46th Wettest	Wettest since: 1937	1907
May 1934–Apr 1938 48-Month	51.30" (1,303.02mm)	50.22" (1,275.59mm)	1.08" (27.43mm)	84th Driest	Driest since: 1937	1904
May 1934–Apr 1938 48-Month	51.30" (1,303.02mm)	50.22" (1,275.59mm)	1.08" (27.43mm)	42nd Wettest	Wettest since: 1935	1908
May 1933–Apr 1938 60-Month	61.28" (1,556.51mm)	62.77" (1,594.36mm)	-1.49" (-37.85mm)	64th Driest	Driest since: 1937	1904
May 1933–Apr 1938 60-Month	61.28" (1,556.51mm)	62.77" (1,594.36mm)	-1.49" (-37.85mm)	61st Wettest	Wettest since: 1936	1909

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings