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 1921

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1921
1-Month
2.55"
(64.77mm)
2.91"
(73.91mm)
-0.36"
(-9.14mm)
27th Driest Driest since: 1914 1934
99th Wettest Wettest since: 1920 2019
Ties: 1985
Apr–May 1921
2-Month
5.34"
(135.64mm)
5.43"
(137.92mm)
-0.09"
(-2.28mm)
62nd Driest Driest since: 1917 1934
64th Wettest Wettest since: 1920 1957
Ties: 1959
Mar–May 1921
3-Month
7.86"
(199.64mm)
7.94"
(201.68mm)
-0.08"
(-2.04mm)
60th Driest Driest since: 1918 1925
66th Wettest Wettest since: 1920 1957, 1991
Feb–May 1921
4-Month
9.63"
(244.60mm)
10.07"
(255.78mm)
-0.44"
(-11.18mm)
47th Driest Driest since: 1918 1925
79th Wettest Wettest since: 1920 2019
Jan–May 1921
5-Month
11.74"
(298.20mm)
12.39"
(314.71mm)
-0.65"
(-16.51mm)
39th Driest Driest since: 1918 1934
87th Wettest Wettest since: 1920 2019
Dec 1920–May 1921
6-Month
14.49"
(368.05mm)
14.73"
(374.14mm)
-0.24"
(-6.09mm)
54th Driest Driest since: 1918 1931
71st Wettest Wettest since: 1920 2019
Nov 1920–May 1921
7-Month
16.75"
(425.45mm)
16.96"
(430.78mm)
-0.21"
(-5.33mm)
57th Driest Driest since: 1918 1934
68th Wettest Wettest since: 1920 1983
Ties: 1900
Oct 1920–May 1921
8-Month
18.92"
(480.57mm)
19.13"
(485.90mm)
-0.21"
(-5.33mm)
53rd Driest Driest since: 1918 1934
72nd Wettest Wettest since: 1920 2019
Sep 1920–May 1921
9-Month
21.36"
(542.54mm)
21.62"
(549.15mm)
-0.26"
(-6.61mm)
56th Driest Driest since: 1918 1934
69th Wettest Wettest since: 1920 2019
Aug 1920–May 1921
10-Month
24.76"
(628.90mm)
24.25"
(615.95mm)
0.51"
(12.95mm)
70th Driest Driest since: 1918 1918
55th Wettest Wettest since: 1920 2019
Jul 1920–May 1921
11-Month
27.46"
(697.48mm)
27.03"
(686.56mm)
0.43"
(10.92mm)
69th Driest Driest since: 1918 1931
56th Wettest Wettest since: 1920 2019
Ties: 1947
Jun 1920–May 1921
12-Month
30.35"
(770.89mm)
29.95"
(760.73mm)
0.40"
(10.16mm)
69th Driest Driest since: 1919 1934
56th Wettest Wettest since: 1920 2019
Ties: 1962
Dec 1919–May 1921
18-Month
44.85"
(1,139.19mm)
44.70"
(1,135.38mm)
0.15"
(3.81mm)
63rd Driest Driest since: 1919 1931
61st Wettest Wettest since: 1920 2019
Ties: 1962
Jun 1919–May 1921
24-Month
61.93"
(1,573.02mm)
59.92"
(1,521.97mm)
2.01"
(51.05mm)
88th Driest Driest since: 1920 1931
36th Wettest Wettest since: 1916 1974
Jun 1918–May 1921
36-Month
92.19"
(2,341.63mm)
89.88"
(2,282.95mm)
2.31"
(58.68mm)
84th Driest Driest since: 1920 1955
39th Wettest Wettest since: 1909 2019
Jun 1917–May 1921
48-Month
117.13"
(2,975.10mm)
119.78"
(3,042.41mm)
-2.65"
(-67.31mm)
36th Driest Driest since: 1920 1956
86th Wettest Wettest since: 1917 2019
Jun 1916–May 1921
60-Month
145.69"
(3,700.53mm)
149.64"
(3,800.86mm)
-3.95"
(-100.33mm)
30th Driest Driest since: 1918 1957
91st Wettest Wettest since: 1920 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2019, retrieved on August 18, 2019 from https://www.ncdc.noaa.gov/cag/