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 1909

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
May 1909
1-Month 		0.05"
(1.27mm)		 0.34"
(8.64mm)		 -0.29"
(-7.37mm)		 16th Driest
Driest since:
 2022
113th Wettest
Wettest since:
 1992
Ties: 2006, 2012
Apr–May 1909
2-Month 		0.24"
(6.10mm)		 0.91"
(23.11mm)		 -0.67"
(-17.01mm)		 13th Driest
Driest since:
 2022
116th Wettest
Wettest since:
 1926
Ties: 1899, 1918
Mar–May 1909
3-Month 		1.56"
(39.62mm)		 2.02"
(51.31mm)		 -0.46"
(-11.69mm)		 58th Driest
Driest since:
 1972
71st Wettest
Wettest since:
 1905
Feb–May 1909
4-Month 		2.90"
(73.66mm)		 3.17"
(80.52mm)		 -0.27"
(-6.86mm)		 71st Driest
Driest since:
 1972
58th Wettest
Wettest since:
 1905
Jan–May 1909
5-Month 		3.93"
(99.82mm)		 4.31"
(109.47mm)		 -0.38"
(-9.65mm)		 68th Driest
Driest since:
 1972
61st Wettest
Wettest since:
 1905
Dec 1908–May 1909
6-Month 		7.04"
(178.82mm)		 5.50"
(139.70mm)		 1.54"
(39.12mm)		 103rd Driest
Driest since:
 2002
25th Wettest
Wettest since:
 1905
Nov 1908–May 1909
7-Month 		7.46"
(189.48mm)		 6.35"
(161.29mm)		 1.11"
(28.19mm)		 97th Driest
Driest since:
 1904
31st Wettest
Wettest since:
 1941
Oct 1908–May 1909
8-Month 		8.15"
(207.01mm)		 7.22"
(183.39mm)		 0.93"
(23.62mm)		 91st Driest
Driest since:
 1904
37th Wettest
Wettest since:
 1941
Sep 1908–May 1909
9-Month 		9.19"
(233.43mm)		 8.41"
(213.61mm)		 0.78"
(19.82mm)		 84th Driest
Driest since:
 2002
44th Wettest
Wettest since:
 1941
Aug 1908–May 1909
10-Month 		11.67"
(296.42mm)		 10.50"
(266.70mm)		 1.17"
(29.72mm)		 85th Driest
Driest since:
 2021
43rd Wettest
Wettest since:
 1941
Jul 1908–May 1909
11-Month 		14.44"
(366.78mm)		 12.30"
(312.42mm)		 2.14"
(54.36mm)		 100th Driest
Driest since:
 2021
28th Wettest
Wettest since:
 1941
Jun 1908–May 1909
12-Month 		14.52"
(368.81mm)		 12.59"
(319.79mm)		 1.93"
(49.02mm)		 98th Driest
Driest since:
 2021
30th Wettest
Wettest since:
 1941
Dec 1907–May 1909
18-Month 		19.95"
(506.73mm)		 18.09"
(459.49mm)		 1.86"
(47.24mm)		 98th Driest
Driest since:
 2021
29th Wettest
Wettest since:
 1993
Jun 1907–May 1909
24-Month 		28.07"
(712.98mm)		 25.16"
(639.06mm)		 2.91"
(73.92mm)		 103rd Driest
Driest since:
 2022
24th Wettest
Wettest since:
 1993
Jun 1906–May 1909
36-Month 		44.46"
(1,129.28mm)		 37.71"
(957.83mm)		 6.75"
(171.45mm)		 110th Driest
Driest since:
 1904
16th Wettest
Wettest since:
 1907
Jun 1905–May 1909
48-Month 		59.22"
(1,504.19mm)		 50.21"
(1,275.33mm)		 9.01"
(228.86mm)		 115th Driest
Driest since:
 1904
10th Wettest
Wettest since:
 1908
Jun 1904–May 1909
60-Month 		79.78"
(2,026.41mm)		 62.76"
(1,594.10mm)		 17.02"
(432.31mm)		 123rd Driest
Driest since:
 1904
1st Wettest
Wettest to Date
 1909

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