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 1979

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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
April 1979 1-Month	0.18" (4.57mm)	0.57" (14.48mm)	-0.39" (-9.91mm)	27th Driest	Driest since: 1974	1989, 1991
	0.18" (4.57mm)	0.57" (14.48mm)	-0.39" (-9.91mm)	102nd Wettest	Wettest since: 1978	1926
	Ties: 1945, 2002
Mar–Apr 1979 2-Month	2.21" (56.13mm)	1.69" (42.93mm)	0.52" (13.20mm)	105th Driest	Driest since: 1977	2008
	2.21" (56.13mm)	1.69" (42.93mm)	0.52" (13.20mm)	24th Wettest	Wettest since: 1978	1905
	Ties: 1924
Feb–Apr 1979 3-Month	2.93" (74.42mm)	2.83" (71.88mm)	0.10" (2.54mm)	82nd Driest	Driest since: 1977	1972
	2.93" (74.42mm)	2.83" (71.88mm)	0.10" (2.54mm)	47th Wettest	Wettest since: 1978	1905
	Ties: 1919
Jan–Apr 1979 4-Month	5.97" (151.64mm)	3.98" (101.09mm)	1.99" (50.55mm)	112th Driest	Driest since: 1977	1972
Jan–Apr 1979 4-Month	5.97" (151.64mm)	3.98" (101.09mm)	1.99" (50.55mm)	17th Wettest	Wettest since: 1978	1905
Dec 1978–Apr 1979 5-Month	9.02" (229.11mm)	5.16" (131.06mm)	3.86" (98.05mm)	120th Driest	Driest since: 1977	1904
Dec 1978–Apr 1979 5-Month	9.02" (229.11mm)	5.16" (131.06mm)	3.86" (98.05mm)	8th Wettest	Wettest since: 1978	1905
Nov 1978–Apr 1979 6-Month	12.16" (308.86mm)	6.01" (152.65mm)	6.15" (156.21mm)	124th Driest	Driest since: 1978	1904
Nov 1978–Apr 1979 6-Month	12.16" (308.86mm)	6.01" (152.65mm)	6.15" (156.21mm)	4th Wettest	Wettest since: 1941	1905
Oct 1978–Apr 1979 7-Month	13.70" (347.98mm)	6.89" (175.01mm)	6.81" (172.97mm)	124th Driest	Driest since: 1978	1904
Oct 1978–Apr 1979 7-Month	13.70" (347.98mm)	6.89" (175.01mm)	6.81" (172.97mm)	4th Wettest	Wettest since: 1941	1941
Sep 1978–Apr 1979 8-Month	14.37" (365.00mm)	8.08" (205.23mm)	6.29" (159.77mm)	123rd Driest	Driest since: 1978	2002
Sep 1978–Apr 1979 8-Month	14.37" (365.00mm)	8.08" (205.23mm)	6.29" (159.77mm)	5th Wettest	Wettest since: 1941	1941
Aug 1978–Apr 1979 9-Month	15.68" (398.27mm)	10.16" (258.06mm)	5.52" (140.21mm)	122nd Driest	Driest since: 1978	2021
Aug 1978–Apr 1979 9-Month	15.68" (398.27mm)	10.16" (258.06mm)	5.52" (140.21mm)	6th Wettest	Wettest since: 1973	1941
Jul 1978–Apr 1979 10-Month	16.82" (427.23mm)	11.97" (304.04mm)	4.85" (123.19mm)	119th Driest	Driest since: 1978	2021
Jul 1978–Apr 1979 10-Month	16.82" (427.23mm)	11.97" (304.04mm)	4.85" (123.19mm)	9th Wettest	Wettest since: 1973	1941
Jun 1978–Apr 1979 11-Month	16.95" (430.53mm)	12.25" (311.15mm)	4.70" (119.38mm)	119th Driest	Driest since: 1978	2021
Jun 1978–Apr 1979 11-Month	16.95" (430.53mm)	12.25" (311.15mm)	4.70" (119.38mm)	9th Wettest	Wettest since: 1973	1941
May 1978–Apr 1979 12-Month	17.46" (443.48mm)	12.59" (319.79mm)	4.87" (123.69mm)	119th Driest	Driest since: 1978	2021
May 1978–Apr 1979 12-Month	17.46" (443.48mm)	12.59" (319.79mm)	4.87" (123.69mm)	9th Wettest	Wettest since: 1973	1941
Nov 1977–Apr 1979 18-Month	27.33" (694.18mm)	18.61" (472.69mm)	8.72" (221.49mm)	123rd Driest	Driest since: 1978	1903
Nov 1977–Apr 1979 18-Month	27.33" (694.18mm)	18.61" (472.69mm)	8.72" (221.49mm)	4th Wettest	Wettest since: 1942	1993
May 1977–Apr 1979 24-Month	34.37" (873.00mm)	25.16" (639.06mm)	9.21" (233.94mm)	123rd Driest	Driest since: 1978	1904
May 1977–Apr 1979 24-Month	34.37" (873.00mm)	25.16" (639.06mm)	9.21" (233.94mm)	4th Wettest	Wettest since: 1942	1906
May 1976–Apr 1979 36-Month	44.70" (1,135.38mm)	37.71" (957.83mm)	6.99" (177.55mm)	111th Driest	Driest since: 1978	1904
May 1976–Apr 1979 36-Month	44.70" (1,135.38mm)	37.71" (957.83mm)	6.99" (177.55mm)	15th Wettest	Wettest since: 1943	1907
May 1975–Apr 1979 48-Month	54.92" (1,394.97mm)	50.22" (1,275.59mm)	4.70" (119.38mm)	101st Driest	Driest since: 1978	1904
May 1975–Apr 1979 48-Month	54.92" (1,394.97mm)	50.22" (1,275.59mm)	4.70" (119.38mm)	24th Wettest	Wettest since: 1944	1908
May 1974–Apr 1979 60-Month	66.62" (1,692.15mm)	62.77" (1,594.36mm)	3.85" (97.79mm)	89th Driest	Driest since: 1978	1904
May 1974–Apr 1979 60-Month	66.62" (1,692.15mm)	62.77" (1,594.36mm)	3.85" (97.79mm)	35th Wettest	Wettest since: 1945	1909

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings