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, August 1917

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
August 1917
1-Month 		1.29"
(32.77mm)		 2.10"
(53.34mm)		 -0.81"
(-20.57mm)		 20th Driest
Driest since:
 2020
109th Wettest
Wettest since:
 1951
Jul–Aug 1917
2-Month 		4.28"
(108.71mm)		 3.90"
(99.06mm)		 0.38"
(9.65mm)		 83rd Driest
Driest since:
 2020
46th Wettest
Wettest since:
 1921
Ties: 2017
Jun–Aug 1917
3-Month 		4.30"
(109.22mm)		 4.19"
(106.43mm)		 0.11"
(2.79mm)		 71st Driest
Driest since:
 2020
58th Wettest
Wettest since:
 1921
May–Aug 1917
4-Month 		5.18"
(131.57mm)		 4.53"
(115.06mm)		 0.65"
(16.51mm)		 95th Driest
Driest since:
 2020
34th Wettest
Wettest since:
 1921
Apr–Aug 1917
5-Month 		6.62"
(168.15mm)		 5.10"
(129.54mm)		 1.52"
(38.61mm)		 117th Driest
Driest since:
 2020
12th Wettest
Wettest since:
 1921
Mar–Aug 1917
6-Month 		6.76"
(171.70mm)		 6.22"
(157.99mm)		 0.54"
(13.71mm)		 88th Driest
Driest since:
 2002
41st Wettest
Wettest since:
 1992
Ties: 1914
Feb–Aug 1917
7-Month 		7.61"
(193.29mm)		 7.37"
(187.20mm)		 0.24"
(6.09mm)		 83rd Driest
Driest since:
 2002
46th Wettest
Wettest since:
 1905
Jan–Aug 1917
8-Month 		9.93"
(252.22mm)		 8.51"
(216.15mm)		 1.42"
(36.07mm)		 101st Driest
Driest since:
 2002
28th Wettest
Wettest since:
 1905
Ties: 1955
Dec 1916–Aug 1917
9-Month 		10.71"
(272.03mm)		 9.69"
(246.13mm)		 1.02"
(25.90mm)		 91st Driest
Driest since:
 2002
37th Wettest
Wettest since:
 1941
Nov 1916–Aug 1917
10-Month 		10.72"
(272.29mm)		 10.54"
(267.72mm)		 0.18"
(4.57mm)		 83rd Driest
Driest since:
 2002
45th Wettest
Wettest since:
 1941
Oct 1916–Aug 1917
11-Month 		12.64"
(321.06mm)		 11.42"
(290.07mm)		 1.22"
(30.99mm)		 93rd Driest
Driest since:
 2002
35th Wettest
Wettest since:
 1941
Sep 1916–Aug 1917
12-Month 		14.17"
(359.92mm)		 12.61"
(320.29mm)		 1.56"
(39.63mm)		 96th Driest
Driest since:
 2002
32nd Wettest
Wettest since:
 1941
Mar 1916–Aug 1917
18-Month 		20.52"
(521.21mm)		 18.81"
(477.77mm)		 1.71"
(43.44mm)		 95th Driest
Driest since:
 1902
33rd Wettest
Wettest since:
 1993
Sep 1915–Aug 1917
24-Month 		29.30"
(744.22mm)		 25.20"
(640.08mm)		 4.10"
(104.14mm)		 108th Driest
Driest since:
 1900
19th Wettest
Wettest since:
 1993
Sep 1914–Aug 1917
36-Month 		47.26"
(1,200.40mm)		 37.75"
(958.85mm)		 9.51"
(241.55mm)		 119th Driest
Driest since:
 1902
7th Wettest
Wettest since:
 1907
Sep 1913–Aug 1917
48-Month 		60.42"
(1,534.67mm)		 50.26"
(1,276.60mm)		 10.16"
(258.07mm)		 119th Driest
Driest since:
 1902
6th Wettest
Wettest since:
 1908
Sep 1912–Aug 1917
60-Month 		70.66"
(1,794.76mm)		 62.79"
(1,594.87mm)		 7.87"
(199.89mm)		 108th Driest
Driest since:
 1903
16th Wettest
Wettest since:
 1909

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