Climate at a Glance

National 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 May 2022. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, May 1939

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1939
1-Month
2.20"
(55.88mm)
2.91"
(73.91mm)
-0.71"
(-18.03mm)
6th Driest Driest since: 1934 1934
123rd Wettest Wettest since: 1938 2019
Apr–May 1939
2-Month
4.36"
(110.74mm)
5.43"
(137.92mm)
-1.07"
(-27.18mm)
5th Driest Driest since: 1936 1934
124th Wettest Wettest since: 1938 1957
Ties: 1931
Mar–May 1939
3-Month
6.43"
(163.32mm)
7.94"
(201.68mm)
-1.51"
(-38.36mm)
6th Driest Driest since: 1936 1925
123rd Wettest Wettest since: 1938 1957, 1991
Ties: 1988
Feb–May 1939
4-Month
9.36"
(237.74mm)
10.07"
(255.78mm)
-0.71"
(-18.04mm)
30th Driest Driest since: 1936 1925
99th Wettest Wettest since: 1938 2019
Jan–May 1939
5-Month
11.85"
(300.99mm)
12.39"
(314.71mm)
-0.54"
(-13.72mm)
46th Driest Driest since: 1936 1934
83rd Wettest Wettest since: 1938 2019
Ties: 1936
Dec 1938–May 1939
6-Month
13.56"
(344.42mm)
14.73"
(374.14mm)
-1.17"
(-29.72mm)
26th Driest Driest since: 1934 1931
102nd Wettest Wettest since: 1938 2019
Ties: 1924, 2006
Nov 1938–May 1939
7-Month
15.57"
(395.48mm)
16.96"
(430.78mm)
-1.39"
(-35.30mm)
23rd Driest Driest since: 1934 1934
105th Wettest Wettest since: 1938 1983
Ties: 1954, 2002
Oct 1938–May 1939
8-Month
16.87"
(428.50mm)
19.13"
(485.90mm)
-2.26"
(-57.40mm)
12th Driest Driest since: 1934 1934
116th Wettest Wettest since: 1938 2019
Sep 1938–May 1939
9-Month
19.32"
(490.73mm)
21.62"
(549.15mm)
-2.30"
(-58.42mm)
16th Driest Driest since: 1934 1934
112th Wettest Wettest since: 1938 2019
Aug 1938–May 1939
10-Month
21.38"
(543.05mm)
24.25"
(615.95mm)
-2.87"
(-72.90mm)
11th Driest Driest since: 1934 1918
117th Wettest Wettest since: 1938 2019
Jul 1938–May 1939
11-Month
24.72"
(627.89mm)
27.03"
(686.56mm)
-2.31"
(-58.67mm)
16th Driest Driest since: 1934 1931
112th Wettest Wettest since: 1938 2019
Jun 1938–May 1939
12-Month
27.84"
(707.14mm)
29.95"
(760.73mm)
-2.11"
(-53.59mm)
20th Driest Driest since: 1934 1934
108th Wettest Wettest since: 1938 2019
Dec 1937–May 1939
18-Month
44.02"
(1,118.11mm)
44.70"
(1,135.38mm)
-0.68"
(-17.27mm)
49th Driest Driest since: 1937 1931
78th Wettest Wettest since: 1938 2019
Ties: 1972
Jun 1937–May 1939
24-Month
59.07"
(1,500.38mm)
59.92"
(1,521.97mm)
-0.85"
(-21.59mm)
48th Driest Driest since: 1937 1931
79th Wettest Wettest since: 1938 2020
Ties: 1897
Jun 1936–May 1939
36-Month
87.53"
(2,223.26mm)
89.88"
(2,282.95mm)
-2.35"
(-59.69mm)
38th Driest Driest since: 1937 1955
88th Wettest Wettest since: 1938 2019
Jun 1935–May 1939
48-Month
115.57"
(2,935.48mm)
119.78"
(3,042.41mm)
-4.21"
(-106.93mm)
26th Driest Driest since: 1937 1956
99th Wettest Wettest since: 1938 2019
Jun 1934–May 1939
60-Month
145.26"
(3,689.60mm)
149.64"
(3,800.86mm)
-4.38"
(-111.26mm)
28th Driest Driest since: 1938 1957
96th Wettest Wettest since: 1931 2020
Ties: 1918

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published June 2022, retrieved on June 29, 2022 from https://www.ncei.noaa.gov/cag/