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, August 1940

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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 1940 1-Month	2.02" (51.31mm)	2.10" (53.34mm)	-0.08" (-2.03mm)	70th Driest	Driest since: 1939	2020
	2.02" (51.31mm)	2.10" (53.34mm)	-0.08" (-2.03mm)	59th Wettest	Wettest since: 1936	1951
	Ties: 1930, 1966, 2006
Jul–Aug 1940 2-Month	2.79" (70.87mm)	3.90" (99.06mm)	-1.11" (-28.19mm)	22nd Driest	Driest since: 1926	2020
Jul–Aug 1940 2-Month	2.79" (70.87mm)	3.90" (99.06mm)	-1.11" (-28.19mm)	107th Wettest	Wettest since: 1939	1921
Jun–Aug 1940 3-Month	3.40" (86.36mm)	4.19" (106.43mm)	-0.79" (-20.07mm)	39th Driest	Driest since: 1939	2020
Jun–Aug 1940 3-Month	3.40" (86.36mm)	4.19" (106.43mm)	-0.79" (-20.07mm)	90th Wettest	Wettest since: 1938	1921
May–Aug 1940 4-Month	3.72" (94.49mm)	4.53" (115.06mm)	-0.81" (-20.57mm)	38th Driest	Driest since: 1939	2020
May–Aug 1940 4-Month	3.72" (94.49mm)	4.53" (115.06mm)	-0.81" (-20.57mm)	91st Wettest	Wettest since: 1938	1921
Apr–Aug 1940 5-Month	4.50" (114.30mm)	5.10" (129.54mm)	-0.60" (-15.24mm)	50th Driest	Driest since: 1939	2020
Apr–Aug 1940 5-Month	4.50" (114.30mm)	5.10" (129.54mm)	-0.60" (-15.24mm)	79th Wettest	Wettest since: 1936	1921
Mar–Aug 1940 6-Month	4.74" (120.40mm)	6.22" (157.99mm)	-1.48" (-37.59mm)	31st Driest	Driest since: 1939	2002
Mar–Aug 1940 6-Month	4.74" (120.40mm)	6.22" (157.99mm)	-1.48" (-37.59mm)	98th Wettest	Wettest since: 1938	1992
Feb–Aug 1940 7-Month	6.46" (164.08mm)	7.37" (187.20mm)	-0.91" (-23.12mm)	45th Driest	Driest since: 1939	2002
Feb–Aug 1940 7-Month	6.46" (164.08mm)	7.37" (187.20mm)	-0.91" (-23.12mm)	84th Wettest	Wettest since: 1938	1905
Jan–Aug 1940 8-Month	7.25" (184.15mm)	8.51" (216.15mm)	-1.26" (-32.00mm)	43rd Driest	Driest since: 1939	2002
Jan–Aug 1940 8-Month	7.25" (184.15mm)	8.51" (216.15mm)	-1.26" (-32.00mm)	86th Wettest	Wettest since: 1938	1905
Dec 1939–Aug 1940 9-Month	7.58" (192.53mm)	9.69" (246.13mm)	-2.11" (-53.60mm)	34th Driest	Driest since: 1934	2002
	7.58" (192.53mm)	9.69" (246.13mm)	-2.11" (-53.60mm)	94th Wettest	Wettest since: 1939	1941
	Ties: 1903
Nov 1939–Aug 1940 10-Month	8.76" (222.50mm)	10.54" (267.72mm)	-1.78" (-45.22mm)	36th Driest	Driest since: 1939	2002
Nov 1939–Aug 1940 10-Month	8.76" (222.50mm)	10.54" (267.72mm)	-1.78" (-45.22mm)	92nd Wettest	Wettest since: 1938	1941
Oct 1939–Aug 1940 11-Month	9.16" (232.66mm)	11.42" (290.07mm)	-2.26" (-57.41mm)	29th Driest	Driest since: 1939	2002
Oct 1939–Aug 1940 11-Month	9.16" (232.66mm)	11.42" (290.07mm)	-2.26" (-57.41mm)	99th Wettest	Wettest since: 1938	1941
Sep 1939–Aug 1940 12-Month	12.13" (308.10mm)	12.61" (320.29mm)	-0.48" (-12.19mm)	71st Driest	Driest since: 1939	2002
Sep 1939–Aug 1940 12-Month	12.13" (308.10mm)	12.61" (320.29mm)	-0.48" (-12.19mm)	57th Wettest	Wettest since: 1937	1941
Mar 1939–Aug 1940 18-Month	16.49" (418.85mm)	18.81" (477.77mm)	-2.32" (-58.92mm)	45th Driest	Driest since: 1939	1902
Mar 1939–Aug 1940 18-Month	16.49" (418.85mm)	18.81" (477.77mm)	-2.32" (-58.92mm)	83rd Wettest	Wettest since: 1938	1993
Sep 1938–Aug 1940 24-Month	21.54" (547.12mm)	25.20" (640.08mm)	-3.66" (-92.96mm)	33rd Driest	Driest since: 1939	1900
Sep 1938–Aug 1940 24-Month	21.54" (547.12mm)	25.20" (640.08mm)	-3.66" (-92.96mm)	94th Wettest	Wettest since: 1938	1993
Sep 1937–Aug 1940 36-Month	33.33" (846.58mm)	37.75" (958.85mm)	-4.42" (-112.27mm)	37th Driest	Driest since: 1925	1902
Sep 1937–Aug 1940 36-Month	33.33" (846.58mm)	37.75" (958.85mm)	-4.42" (-112.27mm)	89th Wettest	Wettest since: 1939	1907
Sep 1936–Aug 1940 48-Month	46.84" (1,189.74mm)	50.26" (1,276.60mm)	-3.42" (-86.86mm)	45th Driest	Driest since: 1939	1902
	46.84" (1,189.74mm)	50.26" (1,276.60mm)	-3.42" (-86.86mm)	80th Wettest	Wettest since: 1938	1908
	Ties: 1936
Sep 1935–Aug 1940 60-Month	58.12" (1,476.25mm)	62.79" (1,594.87mm)	-4.67" (-118.62mm)	44th Driest	Driest since: 1905	1903
Sep 1935–Aug 1940 60-Month	58.12" (1,476.25mm)	62.79" (1,594.87mm)	-4.67" (-118.62mm)	80th Wettest	Wettest since: 1939	1909

Citing This Page

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