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, July 1920

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
July 1920
1-Month 		0.95"
(24.13mm)		 1.80"
(45.72mm)		 -0.85"
(-21.59mm)		 17th Driest
Driest since:
 1993
112th Wettest
Wettest since:
 1919
Jun–Jul 1920
2-Month 		1.48"
(37.59mm)		 2.09"
(53.09mm)		 -0.61"
(-15.50mm)		 34th Driest
Driest since:
 1993
95th Wettest
Wettest since:
 1919
Ties: 1951, 1982
May–Jul 1920
3-Month 		1.92"
(48.77mm)		 2.43"
(61.72mm)		 -0.51"
(-12.95mm)		 39th Driest
Driest since:
 1963, 2020
90th Wettest
Wettest since:
 1919
Ties: 1958
Apr–Jul 1920
4-Month 		2.21"
(56.13mm)		 3.00"
(76.20mm)		 -0.79"
(-20.07mm)		 27th Driest
Driest since:
 1993
102nd Wettest
Wettest since:
 1919
Mar–Jul 1920
5-Month 		3.68"
(93.47mm)		 4.12"
(104.65mm)		 -0.44"
(-11.18mm)		 58th Driest
Driest since:
 2002
71st Wettest
Wettest since:
 1912
Feb–Jul 1920
6-Month 		6.39"
(162.31mm)		 5.26"
(133.60mm)		 1.13"
(28.71mm)		 106th Driest
Driest since:
 2002
23rd Wettest
Wettest since:
 1905
Ties: 1981, 2005
Jan–Jul 1920
7-Month 		8.36"
(212.34mm)		 6.41"
(162.81mm)		 1.95"
(49.53mm)		 112th Driest
Driest since:
 2002
17th Wettest
Wettest since:
 1905
Dec 1919–Jul 1920
8-Month 		8.93"
(226.82mm)		 7.59"
(192.79mm)		 1.34"
(34.03mm)		 97th Driest
Driest since:
 2002
31st Wettest
Wettest since:
 1905
Nov 1919–Jul 1920
9-Month 		11.40"
(289.56mm)		 8.44"
(214.38mm)		 2.96"
(75.18mm)		 112th Driest
Driest since:
 2002
16th Wettest
Wettest since:
 1941
Oct 1919–Jul 1920
10-Month 		12.28"
(311.91mm)		 9.31"
(236.47mm)		 2.97"
(75.44mm)		 113th Driest
Driest since:
 2002
15th Wettest
Wettest since:
 1941
Sep 1919–Jul 1920
11-Month 		14.53"
(369.06mm)		 10.51"
(266.95mm)		 4.02"
(102.11mm)		 119th Driest
Driest since:
 2002
9th Wettest
Wettest since:
 1941
Aug 1919–Jul 1920
12-Month 		16.31"
(414.27mm)		 12.59"
(319.79mm)		 3.72"
(94.48mm)		 114th Driest
Driest since:
 2002
14th Wettest
Wettest since:
 1941
Feb 1919–Jul 1920
18-Month 		24.41"
(620.01mm)		 17.86"
(453.64mm)		 6.55"
(166.37mm)		 122nd Driest
Driest since:
 1900
6th Wettest
Wettest since:
 1993
Aug 1918–Jul 1920
24-Month 		31.16"
(791.46mm)		 25.18"
(639.57mm)		 5.98"
(151.89mm)		 115th Driest
Driest since:
 1900
12th Wettest
Wettest since:
 1906
Aug 1917–Jul 1920
36-Month 		40.89"
(1,038.61mm)		 37.73"
(958.34mm)		 3.16"
(80.27mm)		 99th Driest
Driest since:
 1904
27th Wettest
Wettest since:
 1907
Aug 1916–Jul 1920
48-Month 		55.91"
(1,420.11mm)		 50.23"
(1,275.84mm)		 5.68"
(144.27mm)		 102nd Driest
Driest since:
 1902
23rd Wettest
Wettest since:
 1908
Aug 1915–Jul 1920
60-Month 		70.09"
(1,780.29mm)		 62.77"
(1,594.36mm)		 7.32"
(185.93mm)		 105th Driest
Driest since:
 1904
19th Wettest
Wettest since:
 1909

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