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, July 1964

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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
July 1964 1-Month	2.23" (56.64mm)	1.80" (45.72mm)	0.43" (10.92mm)	93rd Driest	Driest since: 1963	1993
July 1964 1-Month	2.23" (56.64mm)	1.80" (45.72mm)	0.43" (10.92mm)	36th Wettest	Wettest since: 1955	1919
Jun–Jul 1964 2-Month	2.42" (61.47mm)	2.09" (53.09mm)	0.33" (8.38mm)	91st Driest	Driest since: 1963	1993
	2.42" (61.47mm)	2.09" (53.09mm)	0.33" (8.38mm)	38th Wettest	Wettest since: 1955	1919
	Ties: 1998
May–Jul 1964 3-Month	2.57" (65.28mm)	2.43" (61.72mm)	0.14" (3.56mm)	83rd Driest	Driest since: 1963	1963, 2020
	2.57" (65.28mm)	2.43" (61.72mm)	0.14" (3.56mm)	46th Wettest	Wettest since: 1957	1919
	Ties: 1922
Apr–Jul 1964 4-Month	3.29" (83.57mm)	3.00" (76.20mm)	0.29" (7.37mm)	91st Driest	Driest since: 1963	1993
Apr–Jul 1964 4-Month	3.29" (83.57mm)	3.00" (76.20mm)	0.29" (7.37mm)	38th Wettest	Wettest since: 1957	1919
Mar–Jul 1964 5-Month	4.39" (111.51mm)	4.12" (104.65mm)	0.27" (6.86mm)	85th Driest	Driest since: 1963	2002
	4.39" (111.51mm)	4.12" (104.65mm)	0.27" (6.86mm)	44th Wettest	Wettest since: 1958	1912
	Ties: 1922
Feb–Jul 1964 6-Month	4.53" (115.06mm)	5.26" (133.60mm)	-0.73" (-18.54mm)	49th Driest	Driest since: 1963	2002
	4.53" (115.06mm)	5.26" (133.60mm)	-0.73" (-18.54mm)	80th Wettest	Wettest since: 1958	1905
	Ties: 1955
Jan–Jul 1964 7-Month	4.87" (123.70mm)	6.41" (162.81mm)	-1.54" (-39.11mm)	33rd Driest	Driest since: 1963	2002
Jan–Jul 1964 7-Month	4.87" (123.70mm)	6.41" (162.81mm)	-1.54" (-39.11mm)	96th Wettest	Wettest since: 1962	1905
Dec 1963–Jul 1964 8-Month	5.03" (127.76mm)	7.59" (192.79mm)	-2.56" (-65.03mm)	18th Driest	Driest since: 1963	2002
Dec 1963–Jul 1964 8-Month	5.03" (127.76mm)	7.59" (192.79mm)	-2.56" (-65.03mm)	110th Wettest	Wettest since: 1962	1905
Nov 1963–Jul 1964 9-Month	6.31" (160.27mm)	8.44" (214.38mm)	-2.13" (-54.11mm)	32nd Driest	Driest since: 1963	2002
Nov 1963–Jul 1964 9-Month	6.31" (160.27mm)	8.44" (214.38mm)	-2.13" (-54.11mm)	96th Wettest	Wettest since: 1962	1941
Oct 1963–Jul 1964 10-Month	7.41" (188.21mm)	9.31" (236.47mm)	-1.90" (-48.26mm)	41st Driest	Driest since: 1963	2002
Oct 1963–Jul 1964 10-Month	7.41" (188.21mm)	9.31" (236.47mm)	-1.90" (-48.26mm)	87th Wettest	Wettest since: 1962	1941
Sep 1963–Jul 1964 11-Month	8.79" (223.27mm)	10.51" (266.95mm)	-1.72" (-43.68mm)	46th Driest	Driest since: 1963	2002
Sep 1963–Jul 1964 11-Month	8.79" (223.27mm)	10.51" (266.95mm)	-1.72" (-43.68mm)	82nd Wettest	Wettest since: 1962	1941
Aug 1963–Jul 1964 12-Month	12.67" (321.82mm)	12.59" (319.79mm)	0.08" (2.03mm)	75th Driest	Driest since: 1963	2002
	12.67" (321.82mm)	12.59" (319.79mm)	0.08" (2.03mm)	53rd Wettest	Wettest since: 1960	1941
	Ties: 1944
Feb 1963–Jul 1964 18-Month	15.79" (401.07mm)	17.86" (453.64mm)	-2.07" (-52.57mm)	49th Driest	Driest since: 1963	1900
Feb 1963–Jul 1964 18-Month	15.79" (401.07mm)	17.86" (453.64mm)	-2.07" (-52.57mm)	79th Wettest	Wettest since: 1960	1993
Aug 1962–Jul 1964 24-Month	21.51" (546.35mm)	25.18" (639.57mm)	-3.67" (-93.22mm)	37th Driest	Driest since: 1963	1900
Aug 1962–Jul 1964 24-Month	21.51" (546.35mm)	25.18" (639.57mm)	-3.67" (-93.22mm)	90th Wettest	Wettest since: 1962	1906
Aug 1961–Jul 1964 36-Month	33.76" (857.50mm)	37.73" (958.34mm)	-3.97" (-100.84mm)	38th Driest	Driest since: 1963	1904
Aug 1961–Jul 1964 36-Month	33.76" (857.50mm)	37.73" (958.34mm)	-3.97" (-100.84mm)	88th Wettest	Wettest since: 1962	1907
Aug 1960–Jul 1964 48-Month	43.28" (1,099.31mm)	50.23" (1,275.84mm)	-6.95" (-176.53mm)	24th Driest	Driest since: 1957	1902
Aug 1960–Jul 1964 48-Month	43.28" (1,099.31mm)	50.23" (1,275.84mm)	-6.95" (-176.53mm)	101st Wettest	Wettest since: 1963	1908
Aug 1959–Jul 1964 60-Month	56.56" (1,436.62mm)	62.77" (1,594.36mm)	-6.21" (-157.74mm)	31st Driest	Driest since: 1963	1904
Aug 1959–Jul 1964 60-Month	56.56" (1,436.62mm)	62.77" (1,594.36mm)	-6.21" (-157.74mm)	93rd Wettest	Wettest since: 1962	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