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 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, May 2011

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 2011
1-Month
3.43"
(87.12mm)
2.91"
(73.91mm)
0.52"
(13.21mm)
109th Driest Driest since: 2010 1934
17th Wettest Wettest since: 1995 2019
Apr–May 2011
2-Month
6.85"
(173.99mm)
5.43"
(137.92mm)
1.42"
(36.07mm)
119th Driest Driest since: 2010 1934
7th Wettest Wettest since: 1995 1957
Mar–May 2011
3-Month
9.76"
(247.90mm)
7.94"
(201.68mm)
1.82"
(46.22mm)
119th Driest Driest since: 2010 1925
7th Wettest Wettest since: 1995 1957, 1991
Feb–May 2011
4-Month
11.74"
(298.20mm)
10.07"
(255.78mm)
1.67"
(42.42mm)
114th Driest Driest since: 2010 1925
12th Wettest Wettest since: 1998 2019
Ties: 1998
Jan–May 2011
5-Month
13.39"
(340.11mm)
12.39"
(314.71mm)
1.00"
(25.40mm)
101st Driest Driest since: 2010 1934
25th Wettest Wettest since: 1998 2019
Ties: 1978
Dec 2010–May 2011
6-Month
15.84"
(402.34mm)
14.73"
(374.14mm)
1.11"
(28.20mm)
101st Driest Driest since: 2010 1931
24th Wettest Wettest since: 1998 2019
Ties: 1990
Nov 2010–May 2011
7-Month
18.06"
(458.72mm)
16.96"
(430.78mm)
1.10"
(27.94mm)
96th Driest Driest since: 2010 1934
29th Wettest Wettest since: 1998 1983
Oct 2010–May 2011
8-Month
20.03"
(508.76mm)
19.13"
(485.90mm)
0.90"
(22.86mm)
86th Driest Driest since: 2009 1934
39th Wettest Wettest since: 2010 2019
Sep 2010–May 2011
9-Month
22.81"
(579.37mm)
21.62"
(549.15mm)
1.19"
(30.22mm)
90th Driest Driest since: 2009 1934
35th Wettest Wettest since: 2010 2019
Aug 2010–May 2011
10-Month
25.32"
(643.13mm)
24.25"
(615.95mm)
1.07"
(27.18mm)
86th Driest Driest since: 2009 1918
39th Wettest Wettest since: 2010 2019
Jul 2010–May 2011
11-Month
28.64"
(727.46mm)
27.03"
(686.56mm)
1.61"
(40.90mm)
97th Driest Driest since: 2009 1931
28th Wettest Wettest since: 2010 2019
Jun 2010–May 2011
12-Month
32.13"
(816.10mm)
29.95"
(760.73mm)
2.18"
(55.37mm)
102nd Driest Driest since: 2009 1934
23rd Wettest Wettest since: 2010 2019
Dec 2009–May 2011
18-Month
47.84"
(1,215.14mm)
44.70"
(1,135.38mm)
3.14"
(79.76mm)
104th Driest Driest since: 2010 1931
20th Wettest Wettest since: 2005 2019
Jun 2009–May 2011
24-Month
65.07"
(1,652.78mm)
59.92"
(1,521.97mm)
5.15"
(130.81mm)
112th Driest Driest since: 2010 1931
12th Wettest Wettest since: 1999 1974
Jun 2008–May 2011
36-Month
95.56"
(2,427.22mm)
89.88"
(2,282.95mm)
5.68"
(144.27mm)
108th Driest Driest since: 2010 1955
15th Wettest Wettest since: 1999 2019
Jun 2007–May 2011
48-Month
125.95"
(3,199.13mm)
119.78"
(3,042.41mm)
6.17"
(156.72mm)
105th Driest Driest since: 2010 1956
17th Wettest Wettest since: 2000 2019
Jun 2006–May 2011
60-Month
156.03"
(3,963.16mm)
149.64"
(3,800.86mm)
6.39"
(162.30mm)
103rd Driest Driest since: 2010 1957
18th Wettest Wettest since: 2000 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 19, 2019 from https://www.ncdc.noaa.gov/cag/