Statewide Rankings

Statewide Data Info
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 1901

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
May 1901
1-Month		0.45"
(11.43mm)		0.34"
(8.64mm)		0.11"
(2.79mm)		97th Driest
Driest since:
2022
32nd Wettest
Wettest since:
1992
Apr–May 1901
2-Month		0.59"
(14.99mm)		0.91"
(23.11mm)		-0.32"
(-8.12mm)		48th Driest
Driest since:
2022
81st Wettest
Wettest since:
1926
Mar–May 1901
3-Month		1.12"
(28.45mm)		2.02"
(51.31mm)		-0.90"
(-22.86mm)		35th Driest
Driest since:
1972
94th Wettest
Wettest since:
1905
Feb–May 1901
4-Month		3.48"
(88.39mm)		3.17"
(80.52mm)		0.31"
(7.87mm)		89th Driest
Driest since:
1972
40th Wettest
Wettest to Date
1905
Ties: 1954
Jan–May 1901
5-Month		4.69"
(119.13mm)		4.31"
(109.47mm)		0.38"
(9.66mm)		87th Driest
Driest since:
1972
42nd Wettest
Wettest since:
1905
Dec 1900–May 1901
6-Month		4.71"
(119.63mm)		5.50"
(139.70mm)		-0.79"
(-20.07mm)		60th Driest
Driest since:
2002
68th Wettest
Wettest since:
1905
Nov 1900–May 1901
7-Month		6.04"
(153.42mm)		6.35"
(161.29mm)		-0.31"
(-7.87mm)		72nd Driest
Driest since:
1904
56th Wettest
Wettest since:
1941
Ties: 2001
Oct 1900–May 1901
8-Month		6.74"
(171.20mm)		7.22"
(183.39mm)		-0.48"
(-12.19mm)		67th Driest
Driest since:
1904
61st Wettest
Wettest since:
1941
Sep 1900–May 1901
9-Month		7.96"
(202.18mm)		8.41"
(213.61mm)		-0.45"
(-11.43mm)		66th Driest
Driest since:
2002
62nd Wettest
Wettest since:
1941
Aug 1900–May 1901
10-Month		9.01"
(228.85mm)		10.50"
(266.70mm)		-1.49"
(-37.85mm)		50th Driest
Driest since:
2021
78th Wettest
Wettest since:
1941
Jul 1900–May 1901
11-Month		9.66"
(245.36mm)		12.30"
(312.42mm)		-2.64"
(-67.06mm)		29th Driest
Driest since:
2021
99th Wettest
Wettest since:
1941
Jun 1900–May 1901
12-Month		9.74"
(247.40mm)		12.59"
(319.79mm)		-2.85"
(-72.39mm)		26th Driest
Driest since:
2021
102nd Wettest
Wettest since:
1941
Dec 1899–May 1901
18-Month		12.94"
(328.68mm)		18.09"
(459.49mm)		-5.15"
(-130.81mm)		15th Driest
Driest since:
2021
112th Wettest
Wettest since:
1993
Jun 1899–May 1901
24-Month		18.69"
(474.73mm)		25.16"
(639.06mm)		-6.47"
(-164.33mm)		10th Driest
Driest since:
2022
117th Wettest
Wettest since:
1993
Jun 1898–May 1901
36-Month		27.26"
(692.40mm)		37.71"
(957.83mm)		-10.45"
(-265.43mm)		5th Driest
Driest to Date
1904
121st Wettest
Wettest since:
1907
Jun 1897–May 1901
48-Month		37.64"
(956.06mm)		50.21"
(1,275.33mm)		-12.57"
(-319.27mm)		4th Driest
Driest to Date
1904
121st Wettest
Wettest since:
1908
Jun 1896–May 1901
60-Month		53.06"
(1,347.72mm)		62.76"
(1,594.10mm)		-9.70"
(-246.38mm)		16th Driest
Driest since:
1904
108th Wettest
Wettest to Date
1909

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