Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of August 2021. For more information, please see Climatological Rankings.


Arizona

Precipitation Rankings, May 2021

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 2021
1-Month
0.04"
(1.02mm)
0.34"
(8.64mm)
-0.30"
(-7.62mm)
11th Driest Driest since: 2004 1942, 1963, 2002, 2004
117th Wettest Wettest since: 2020 1992
Ties: 1945, 1948, 1970
Apr–May 2021
2-Month
0.22"
(5.59mm)
0.91"
(23.11mm)
-0.69"
(-17.52mm)
10th Driest Driest since: 2018 1991
118th Wettest Wettest since: 2020 1926
Ties: 1945
Mar–May 2021
3-Month
0.95"
(24.13mm)
2.02"
(51.31mm)
-1.07"
(-27.18mm)
19th Driest Driest since: 2018 1972
109th Wettest Wettest since: 2020 1905
Feb–May 2021
4-Month
1.18"
(29.97mm)
3.17"
(80.52mm)
-1.99"
(-50.55mm)
8th Driest Driest since: 2002 1972
120th Wettest Wettest since: 2020 1905
Ties: 1910, 1984
Jan–May 2021
5-Month
2.49"
(63.25mm)
4.31"
(109.47mm)
-1.82"
(-46.22mm)
28th Driest Driest since: 2018 1972
100th Wettest Wettest since: 2020 1905
Dec 2020–May 2021
6-Month
2.78"
(70.61mm)
5.50"
(139.70mm)
-2.72"
(-69.09mm)
18th Driest Driest since: 2018 2002
109th Wettest Wettest since: 2020 1905
Nov 2020–May 2021
7-Month
3.05"
(77.47mm)
6.35"
(161.29mm)
-3.30"
(-83.82mm)
12th Driest Driest since: 2018 1904
115th Wettest Wettest since: 2020 1941
Oct 2020–May 2021
8-Month
3.19"
(81.03mm)
7.22"
(183.39mm)
-4.03"
(-102.36mm)
8th Driest Driest since: 2018 1904
119th Wettest Wettest since: 2020 1941
Sep 2020–May 2021
9-Month
3.31"
(84.07mm)
8.41"
(213.61mm)
-5.10"
(-129.54mm)
3rd Driest Driest since: 2018 2002
124th Wettest Wettest since: 2020 1941
Ties: 2006
Aug 2020–May 2021
10-Month
3.92"
(99.57mm)
10.50"
(266.70mm)
-6.58"
(-167.13mm)
1st Driest Driest to Date 2021
126th Wettest Wettest since: 2020 1941
Jul 2020–May 2021
11-Month
4.64"
(117.86mm)
12.30"
(312.42mm)
-7.66"
(-194.56mm)
1st Driest Driest to Date 2021
126th Wettest Wettest since: 2020 1941
Jun 2020–May 2021
12-Month
4.69"
(119.13mm)
12.59"
(319.79mm)
-7.90"
(-200.66mm)
1st Driest Driest to Date 2021
126th Wettest Wettest since: 2020 1941
Dec 2019–May 2021
18-Month
10.71"
(272.03mm)
18.09"
(459.49mm)
-7.38"
(-187.46mm)
1st Driest Driest to Date 2021
125th Wettest Wettest since: 2020 1993
Jun 2019–May 2021
24-Month
17.10"
(434.34mm)
25.16"
(639.06mm)
-8.06"
(-204.72mm)
5th Driest Driest since: 2003 1904
121st Wettest Wettest since: 2020 1993
Jun 2018–May 2021
36-Month
33.18"
(842.77mm)
37.71"
(957.83mm)
-4.53"
(-115.06mm)
34th Driest Driest since: 2014 1904
91st Wettest Wettest since: 2020 1907
Jun 2017–May 2021
48-Month
40.57"
(1,030.48mm)
50.21"
(1,275.33mm)
-9.64"
(-244.85mm)
9th Driest Driest since: 2014 1904
115th Wettest Wettest since: 2020 1908
Jun 2016–May 2021
60-Month
54.07"
(1,373.38mm)
62.76"
(1,594.10mm)
-8.69"
(-220.72mm)
21st Driest Driest since: 2014 1904
102nd Wettest Wettest since: 2020 1909

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2021, retrieved on September 26, 2021 from https://www.ncdc.noaa.gov/cag/