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 April 2021. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, May 1901

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
May 1901
1-Month
2.66"
(67.56mm)
2.91"
(73.91mm)
-0.25"
(-6.35mm)
37th Driest Driest since: 1900 1934
90th Wettest Wettest since: 1899 2019
Ties: 1969, 2000
Apr–May 1901
2-Month
5.19"
(131.83mm)
5.43"
(137.92mm)
-0.24"
(-6.09mm)
44th Driest Driest since: 1899 1934
83rd Wettest Wettest since: 1900 1957
Ties: 1986, 1998
Mar–May 1901
3-Month
7.48"
(189.99mm)
7.94"
(201.68mm)
-0.46"
(-11.69mm)
39th Driest Driest since: 1899 1925
88th Wettest Wettest since: 1900 1957, 1991
Ties: 1959
Feb–May 1901
4-Month
9.61"
(244.09mm)
10.07"
(255.78mm)
-0.46"
(-11.69mm)
43rd Driest Driest since: 1898 1925
84th Wettest Wettest since: 1900 2019
Ties: 1917, 1955
Jan–May 1901
5-Month
11.60"
(294.64mm)
12.39"
(314.71mm)
-0.79"
(-20.07mm)
32nd Driest Driest since: 1895 1934
95th Wettest Wettest since: 1900 2019
Ties: 1968
Dec 1900–May 1901
6-Month
13.26"
(336.80mm)
14.73"
(374.14mm)
-1.47"
(-37.34mm)
17th Driest Driest to Date 1931
109th Wettest Wettest since: 1900 2019
Nov 1900–May 1901
7-Month
15.63"
(397.00mm)
16.96"
(430.78mm)
-1.33"
(-33.78mm)
25th Driest Driest to Date 1934
101st Wettest Wettest since: 1900 1983
Oct 1900–May 1901
8-Month
18.38"
(466.85mm)
19.13"
(485.90mm)
-0.75"
(-19.05mm)
38th Driest Driest since: 1896 1934
88th Wettest Wettest since: 1900 2019
Sep 1900–May 1901
9-Month
21.31"
(541.27mm)
21.62"
(549.15mm)
-0.31"
(-7.88mm)
54th Driest Driest since: 1900 1934
72nd Wettest Wettest since: 1897 2019
Aug 1900–May 1901
10-Month
23.73"
(602.74mm)
24.25"
(615.95mm)
-0.52"
(-13.21mm)
49th Driest Driest since: 1900 1918
77th Wettest Wettest since: 1899 2019
Jul 1900–May 1901
11-Month
26.80"
(680.72mm)
27.03"
(686.56mm)
-0.23"
(-5.84mm)
55th Driest Driest since: 1900 1931
71st Wettest Wettest since: 1899 2019
Ties: 1905
Jun 1900–May 1901
12-Month
29.83"
(757.68mm)
29.95"
(760.73mm)
-0.12"
(-3.05mm)
55th Driest Driest since: 1900 1934
71st Wettest Wettest since: 1899 2019
Dec 1899–May 1901
18-Month
44.59"
(1,132.59mm)
44.70"
(1,135.38mm)
-0.11"
(-2.79mm)
57th Driest Driest since: 1900 1931
68th Wettest Wettest since: 1897 2019
Jun 1899–May 1901
24-Month
58.71"
(1,491.23mm)
59.92"
(1,521.97mm)
-1.21"
(-30.74mm)
38th Driest Driest since: 1899 1931
87th Wettest Wettest since: 1900 2020
Jun 1898–May 1901
36-Month
88.76"
(2,254.50mm)
89.88"
(2,282.95mm)
-1.12"
(-28.45mm)
45th Driest Driest since: 1900 1955
79th Wettest Wettest since: 1899 2019
Jun 1897–May 1901
48-Month
116.87"
(2,968.50mm)
119.78"
(3,042.41mm)
-2.91"
(-73.91mm)
35th Driest Driest to Date 1956
88th Wettest Wettest since: 1900 2019
Jun 1896–May 1901
60-Month
147.57"
(3,748.28mm)
149.64"
(3,800.86mm)
-2.07"
(-52.58mm)
43rd Driest Driest since: 1900 1957
79th Wettest Wettest to Date 2020
Ties: 1981

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published May 2021, retrieved on May 15, 2021 from https://www.ncdc.noaa.gov/cag/