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


Contiguous U.S.

Precipitation Rankings, May 1927

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 1927
1-Month
2.99"
(75.95mm)
2.91"
(73.91mm)
0.08"
(2.04mm)
71st Driest Driest since: 1926 1934
56th Wettest Wettest since: 1923 2019
Apr–May 1927
2-Month
6.04"
(153.42mm)
5.43"
(137.92mm)
0.61"
(15.50mm)
99th Driest Driest since: 1926 1934
28th Wettest Wettest since: 1922 1957
Mar–May 1927
3-Month
8.63"
(219.20mm)
7.94"
(201.68mm)
0.69"
(17.52mm)
98th Driest Driest since: 1926 1925
29th Wettest Wettest since: 1922 1957, 1991
Feb–May 1927
4-Month
11.35"
(288.29mm)
10.07"
(255.78mm)
1.28"
(32.51mm)
107th Driest Driest since: 1926 1925
20th Wettest Wettest since: 1922 2019
Jan–May 1927
5-Month
13.12"
(333.25mm)
12.39"
(314.71mm)
0.73"
(18.54mm)
94th Driest Driest since: 1926 1934
33rd Wettest Wettest since: 1922 2019
Dec 1926–May 1927
6-Month
15.79"
(401.07mm)
14.73"
(374.14mm)
1.06"
(26.93mm)
98th Driest Driest since: 1926 1931
28th Wettest Wettest since: 1922 2019
Nov 1926–May 1927
7-Month
18.66"
(473.96mm)
16.96"
(430.78mm)
1.70"
(43.18mm)
107th Driest Driest since: 1926 1934
19th Wettest Wettest since: 1922 1983
Oct 1926–May 1927
8-Month
21.15"
(537.21mm)
19.13"
(485.90mm)
2.02"
(51.31mm)
106th Driest Driest since: 1926 1934
20th Wettest Wettest since: 1903 2019
Sep 1926–May 1927
9-Month
24.38"
(619.25mm)
21.62"
(549.15mm)
2.76"
(70.10mm)
115th Driest Driest since: 1926 1934
11th Wettest Wettest to Date 2019
Ties: 1978
Aug 1926–May 1927
10-Month
27.60"
(701.04mm)
24.25"
(615.95mm)
3.35"
(85.09mm)
118th Driest Driest since: 1926 1918
8th Wettest Wettest to Date 2019
Jul 1926–May 1927
11-Month
30.46"
(773.68mm)
27.03"
(686.56mm)
3.43"
(87.12mm)
117th Driest Driest since: 1926 1931
9th Wettest Wettest to Date 2019
Jun 1926–May 1927
12-Month
32.95"
(836.93mm)
29.95"
(760.73mm)
3.00"
(76.20mm)
112th Driest Driest since: 1926 1934
14th Wettest Wettest to Date 2019
Dec 1925–May 1927
18-Month
45.72"
(1,161.29mm)
44.70"
(1,135.38mm)
1.02"
(25.91mm)
78th Driest Driest since: 1926 1931
47th Wettest Wettest since: 1920 2019
Ties: 1947
Jun 1925–May 1927
24-Month
61.37"
(1,558.80mm)
59.92"
(1,521.97mm)
1.45"
(36.83mm)
82nd Driest Driest since: 1926 1931
43rd Wettest Wettest since: 1922 2020
Ties: 1992
Jun 1924–May 1927
36-Month
86.81"
(2,204.97mm)
89.88"
(2,282.95mm)
-3.07"
(-77.98mm)
29th Driest Driest since: 1926 1955
95th Wettest Wettest since: 1924 2019
Jun 1923–May 1927
48-Month
116.53"
(2,959.86mm)
119.78"
(3,042.41mm)
-3.25"
(-82.55mm)
33rd Driest Driest since: 1926 1956
90th Wettest Wettest since: 1924 2019
Jun 1922–May 1927
60-Month
144.99"
(3,682.75mm)
149.64"
(3,800.86mm)
-4.65"
(-118.11mm)
23rd Driest Driest since: 1926 1957
99th Wettest Wettest since: 1925 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2020, retrieved on September 25, 2020 from https://www.ncdc.noaa.gov/cag/