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 1964

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
May 1964 1-Month	0.15" (3.81mm)	0.34" (8.64mm)	-0.19" (-4.83mm)	45th Driest	Driest since: 1963	2022
	0.15" (3.81mm)	0.34" (8.64mm)	-0.19" (-4.83mm)	84th Wettest	Wettest since: 1960	1992
	Ties: 2018
Apr–May 1964 2-Month	0.87" (22.10mm)	0.91" (23.11mm)	-0.04" (-1.01mm)	75th Driest	Driest since: 1963	2022
Apr–May 1964 2-Month	0.87" (22.10mm)	0.91" (23.11mm)	-0.04" (-1.01mm)	54th Wettest	Wettest since: 1958	1926
Mar–May 1964 3-Month	1.97" (50.04mm)	2.02" (51.31mm)	-0.05" (-1.27mm)	80th Driest	Driest since: 1963	1972
Mar–May 1964 3-Month	1.97" (50.04mm)	2.02" (51.31mm)	-0.05" (-1.27mm)	49th Wettest	Wettest since: 1958	1905
Feb–May 1964 4-Month	2.11" (53.59mm)	3.17" (80.52mm)	-1.06" (-26.93mm)	42nd Driest	Driest since: 1961	1972
Feb–May 1964 4-Month	2.11" (53.59mm)	3.17" (80.52mm)	-1.06" (-26.93mm)	87th Wettest	Wettest since: 1963	1905
Jan–May 1964 5-Month	2.45" (62.23mm)	4.31" (109.47mm)	-1.86" (-47.24mm)	26th Driest	Driest since: 1961	1972
Jan–May 1964 5-Month	2.45" (62.23mm)	4.31" (109.47mm)	-1.86" (-47.24mm)	103rd Wettest	Wettest since: 1963	1905
Dec 1963–May 1964 6-Month	2.61" (66.29mm)	5.50" (139.70mm)	-2.89" (-73.41mm)	13th Driest	Driest since: 1959	2002
Dec 1963–May 1964 6-Month	2.61" (66.29mm)	5.50" (139.70mm)	-2.89" (-73.41mm)	115th Wettest	Wettest since: 1963	1905
Nov 1963–May 1964 7-Month	3.89" (98.81mm)	6.35" (161.29mm)	-2.46" (-62.48mm)	27th Driest	Driest since: 1961	1904
Nov 1963–May 1964 7-Month	3.89" (98.81mm)	6.35" (161.29mm)	-2.46" (-62.48mm)	101st Wettest	Wettest since: 1963	1941
Oct 1963–May 1964 8-Month	4.99" (126.75mm)	7.22" (183.39mm)	-2.23" (-56.64mm)	33rd Driest	Driest since: 1959	1904
Oct 1963–May 1964 8-Month	4.99" (126.75mm)	7.22" (183.39mm)	-2.23" (-56.64mm)	95th Wettest	Wettest since: 1963	1941
Sep 1963–May 1964 9-Month	6.37" (161.80mm)	8.41" (213.61mm)	-2.04" (-51.81mm)	39th Driest	Driest since: 1959	2002
Sep 1963–May 1964 9-Month	6.37" (161.80mm)	8.41" (213.61mm)	-2.04" (-51.81mm)	89th Wettest	Wettest since: 1963	1941
Aug 1963–May 1964 10-Month	10.25" (260.35mm)	10.50" (266.70mm)	-0.25" (-6.35mm)	70th Driest	Driest since: 1963	2021
Aug 1963–May 1964 10-Month	10.25" (260.35mm)	10.50" (266.70mm)	-0.25" (-6.35mm)	58th Wettest	Wettest since: 1962	1941
Jul 1963–May 1964 11-Month	11.07" (281.18mm)	12.30" (312.42mm)	-1.23" (-31.24mm)	59th Driest	Driest since: 1963	2021
Jul 1963–May 1964 11-Month	11.07" (281.18mm)	12.30" (312.42mm)	-1.23" (-31.24mm)	69th Wettest	Wettest since: 1962	1941
Jun 1963–May 1964 12-Month	11.10" (281.94mm)	12.59" (319.79mm)	-1.49" (-37.85mm)	55th Driest	Driest since: 1963	2021
Jun 1963–May 1964 12-Month	11.10" (281.94mm)	12.59" (319.79mm)	-1.49" (-37.85mm)	73rd Wettest	Wettest since: 1962	1941
Dec 1962–May 1964 18-Month	14.97" (380.24mm)	18.09" (459.49mm)	-3.12" (-79.25mm)	33rd Driest	Driest since: 1963	2021
Dec 1962–May 1964 18-Month	14.97" (380.24mm)	18.09" (459.49mm)	-3.12" (-79.25mm)	94th Wettest	Wettest since: 1962	1993
Jun 1962–May 1964 24-Month	20.47" (519.94mm)	25.16" (639.06mm)	-4.69" (-119.12mm)	24th Driest	Driest since: 1957	2022
Jun 1962–May 1964 24-Month	20.47" (519.94mm)	25.16" (639.06mm)	-4.69" (-119.12mm)	103rd Wettest	Wettest since: 1963	1993
Jun 1961–May 1964 36-Month	33.12" (841.25mm)	37.71" (957.83mm)	-4.59" (-116.58mm)	32nd Driest	Driest since: 1963	1904
Jun 1961–May 1964 36-Month	33.12" (841.25mm)	37.71" (957.83mm)	-4.59" (-116.58mm)	94th Wettest	Wettest since: 1962	1907
Jun 1960–May 1964 48-Month	41.96" (1,065.78mm)	50.21" (1,275.33mm)	-8.25" (-209.55mm)	18th Driest	Driest since: 1957	1904
Jun 1960–May 1964 48-Month	41.96" (1,065.78mm)	50.21" (1,275.33mm)	-8.25" (-209.55mm)	107th Wettest	Wettest since: 1963	1908
Jun 1959–May 1964 60-Month	56.26" (1,429.00mm)	62.76" (1,594.10mm)	-6.50" (-165.10mm)	31st Driest	Driest since: 1963	1904
Jun 1959–May 1964 60-Month	56.26" (1,429.00mm)	62.76" (1,594.10mm)	-6.50" (-165.10mm)	93rd Wettest	Wettest since: 1962	1909

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published February 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings