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 September 2020. For more information, please see Climatological Rankings.


Arizona

Precipitation Rankings, May 1940

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1940
1-Month
0.32"
(8.13mm)
0.34"
(8.64mm)
-0.02"
(-0.51mm)
72nd Driest Driest since: 1939 1942, 1963, 2002, 2004
55th Wettest Wettest since: 1935 1992
Ties: 1932
Apr–May 1940
2-Month
1.10"
(27.94mm)
0.91"
(23.11mm)
0.19"
(4.83mm)
93rd Driest Driest since: 1939 1991
34th Wettest Wettest since: 1934 1926
Ties: 1981
Mar–May 1940
3-Month
1.34"
(34.04mm)
2.02"
(51.31mm)
-0.68"
(-17.27mm)
46th Driest Driest since: 1936 1972
81st Wettest Wettest since: 1939 1905
Feb–May 1940
4-Month
3.06"
(77.72mm)
3.17"
(80.52mm)
-0.11"
(-2.80mm)
73rd Driest Driest since: 1939 1972
54th Wettest Wettest since: 1938 1905
Jan–May 1940
5-Month
3.85"
(97.79mm)
4.31"
(109.47mm)
-0.46"
(-11.68mm)
60th Driest Driest since: 1939 1972
67th Wettest Wettest since: 1938 1905
Ties: 1990
Dec 1939–May 1940
6-Month
4.18"
(106.17mm)
5.50"
(139.70mm)
-1.32"
(-33.53mm)
43rd Driest Driest since: 1934 2002
83rd Wettest Wettest since: 1939 1905
Nov 1939–May 1940
7-Month
5.36"
(136.14mm)
6.35"
(161.29mm)
-0.99"
(-25.15mm)
55th Driest Driest since: 1934 1904
71st Wettest Wettest since: 1939 1941
Ties: 1954
Oct 1939–May 1940
8-Month
5.76"
(146.30mm)
7.22"
(183.39mm)
-1.46"
(-37.09mm)
48th Driest Driest since: 1939 1904
78th Wettest Wettest since: 1938 1941
Ties: 1928
Sep 1939–May 1940
9-Month
8.73"
(221.74mm)
8.41"
(213.61mm)
0.32"
(8.13mm)
76th Driest Driest since: 1939 2002
50th Wettest Wettest since: 1937 1941
Aug 1939–May 1940
10-Month
10.64"
(270.26mm)
10.50"
(266.70mm)
0.14"
(3.56mm)
75th Driest Driest since: 1939 2018
51st Wettest Wettest since: 1937 1941
Ties: 1912, 1928
Jul 1939–May 1940
11-Month
11.67"
(296.42mm)
12.30"
(312.42mm)
-0.63"
(-16.00mm)
66th Driest Driest since: 1939 1904
60th Wettest Wettest since: 1937 1941
Jun 1939–May 1940
12-Month
11.70"
(297.18mm)
12.59"
(319.79mm)
-0.89"
(-22.61mm)
64th Driest Driest since: 1939 2002
62nd Wettest Wettest since: 1937 1941
Dec 1938–May 1940
18-Month
17.17"
(436.12mm)
18.09"
(459.49mm)
-0.92"
(-23.37mm)
61st Driest Driest since: 1939 1904
64th Wettest Wettest since: 1938 1993
Jun 1938–May 1940
24-Month
22.02"
(559.31mm)
25.16"
(639.06mm)
-3.14"
(-79.75mm)
41st Driest Driest since: 1939 1904
84th Wettest Wettest since: 1938 1993
Ties: 1963
Jun 1937–May 1940
36-Month
33.47"
(850.14mm)
37.71"
(957.83mm)
-4.24"
(-107.69mm)
37th Driest Driest since: 1925 1904
87th Wettest Wettest since: 1939 1907
Jun 1936–May 1940
48-Month
47.88"
(1,216.15mm)
50.21"
(1,275.33mm)
-2.33"
(-59.18mm)
54th Driest Driest since: 1939 1904
69th Wettest Wettest since: 1938 1908
Jun 1935–May 1940
60-Month
59.41"
(1,509.01mm)
62.76"
(1,594.10mm)
-3.35"
(-85.09mm)
55th Driest Driest since: 1929 1904
67th Wettest Wettest since: 1939 1909

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 30, 2020 from https://www.ncdc.noaa.gov/cag/