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 July 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, May 1931

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1931
1-Month
2.29"
(58.17mm)
2.91"
(73.91mm)
-0.62"
(-15.74mm)
12th Driest Driest since: 1926 1934
114th Wettest Wettest since: 1930 2019
Ties: 1992, 2006
Apr–May 1931
2-Month
4.36"
(110.74mm)
5.43"
(137.92mm)
-1.07"
(-27.18mm)
5th Driest Driest since: 1925 1934
121st Wettest Wettest since: 1930 1957
Ties: 1939
Mar–May 1931
3-Month
6.67"
(169.42mm)
7.94"
(201.68mm)
-1.27"
(-32.26mm)
10th Driest Driest since: 1925 1925
116th Wettest Wettest since: 1930 1957, 1991
Feb–May 1931
4-Month
8.51"
(216.15mm)
10.07"
(255.78mm)
-1.56"
(-39.63mm)
6th Driest Driest since: 1925 1925
120th Wettest Wettest since: 1930 2019
Jan–May 1931
5-Month
10.07"
(255.78mm)
12.39"
(314.71mm)
-2.32"
(-58.93mm)
5th Driest Driest since: 1925 1934
121st Wettest Wettest since: 1930 2019
Dec 1930–May 1931
6-Month
11.35"
(288.29mm)
14.73"
(374.14mm)
-3.38"
(-85.85mm)
1st Driest Driest to Date 1931
124th Wettest Wettest since: 1930 2019
Nov 1930–May 1931
7-Month
13.63"
(346.20mm)
16.96"
(430.78mm)
-3.33"
(-84.58mm)
3rd Driest Driest to Date 1934
122nd Wettest Wettest since: 1930 1983
Oct 1930–May 1931
8-Month
15.94"
(404.88mm)
19.13"
(485.90mm)
-3.19"
(-81.02mm)
5th Driest Driest since: 1925 1934
120th Wettest Wettest since: 1930 2019
Sep 1930–May 1931
9-Month
18.27"
(464.06mm)
21.62"
(549.15mm)
-3.35"
(-85.09mm)
5th Driest Driest since: 1925 1934
120th Wettest Wettest since: 1930 2019
Aug 1930–May 1931
10-Month
20.23"
(513.84mm)
24.25"
(615.95mm)
-4.02"
(-102.11mm)
4th Driest Driest since: 1918 1918
121st Wettest Wettest since: 1930 2019
Jul 1930–May 1931
11-Month
22.02"
(559.31mm)
27.03"
(686.56mm)
-5.01"
(-127.25mm)
1st Driest Driest to Date 1931
124th Wettest Wettest since: 1930 2019
Jun 1930–May 1931
12-Month
24.35"
(618.49mm)
29.95"
(760.73mm)
-5.60"
(-142.24mm)
2nd Driest Driest to Date 1934
123rd Wettest Wettest since: 1930 2019
Dec 1929–May 1931
18-Month
37.86"
(961.64mm)
44.70"
(1,135.38mm)
-6.84"
(-173.74mm)
1st Driest Driest to Date 1931
123rd Wettest Wettest since: 1930 2019
Jun 1929–May 1931
24-Month
52.17"
(1,325.12mm)
59.92"
(1,521.97mm)
-7.75"
(-196.85mm)
1st Driest Driest to Date 1931
123rd Wettest Wettest since: 1930 1974
Jun 1928–May 1931
36-Month
84.53"
(2,147.06mm)
89.88"
(2,282.95mm)
-5.35"
(-135.89mm)
12th Driest Driest since: 1926 1955
111th Wettest Wettest since: 1930 2019
Jun 1927–May 1931
48-Month
114.24"
(2,901.70mm)
119.78"
(3,042.41mm)
-5.54"
(-140.71mm)
12th Driest Driest since: 1926 1956
110th Wettest Wettest since: 1930 2019
Jun 1926–May 1931
60-Month
147.19"
(3,738.63mm)
149.64"
(3,800.86mm)
-2.45"
(-62.23mm)
39th Driest Driest since: 1928 1957
82nd Wettest Wettest since: 1930 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 24, 2019 from https://www.ncdc.noaa.gov/cag/