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


Contiguous U.S.

Precipitation Rankings, May 2011

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
May 2011
1-Month
3.43"
(87.12mm)
2.91"
(73.91mm)
0.52"
(13.21mm)
111th 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)
121st 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)
121st 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)
116th 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)
102nd Driest Driest since: 2010 1934
26th 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)
102nd Driest Driest since: 2010 1931
25th 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)
97th Driest Driest since: 2010 1934
30th Wettest Wettest since: 1998 1983
Oct 2010–May 2011
8-Month
20.03"
(508.76mm)
19.13"
(485.90mm)
0.90"
(22.86mm)
87th Driest Driest since: 2009 1934
40th Wettest Wettest since: 2010 2019
Sep 2010–May 2011
9-Month
22.81"
(579.37mm)
21.62"
(549.15mm)
1.19"
(30.22mm)
91st Driest Driest since: 2009 1934
36th Wettest Wettest since: 2010 2019
Aug 2010–May 2011
10-Month
25.32"
(643.13mm)
24.25"
(615.95mm)
1.07"
(27.18mm)
87th Driest Driest since: 2009 1918
40th Wettest Wettest since: 2010 2019
Jul 2010–May 2011
11-Month
28.64"
(727.46mm)
27.03"
(686.56mm)
1.61"
(40.90mm)
98th Driest Driest since: 2009 1931
29th Wettest Wettest since: 2010 2019
Jun 2010–May 2011
12-Month
32.13"
(816.10mm)
29.95"
(760.73mm)
2.18"
(55.37mm)
103rd Driest Driest since: 2009 1934
24th 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)
105th Driest Driest since: 2010 1931
21st 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)
113th Driest Driest since: 2010 1931
13th Wettest Wettest since: 1999 2020
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
17th 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
19th 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
20th Wettest Wettest since: 2000 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2021, retrieved on October 17, 2021 from https://www.ncdc.noaa.gov/cag/