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 2022. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, May 1909

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1909
1-Month
3.04"
(77.22mm)
2.91"
(73.91mm)
0.13"
(3.31mm)
79th Driest Driest since: 1904 1934
50th Wettest Wettest since: 1908 2019
Apr–May 1909
2-Month
5.32"
(135.13mm)
5.43"
(137.92mm)
-0.11"
(-2.79mm)
60th Driest Driest since: 1906 1934
69th Wettest Wettest since: 1908 1957
Ties: 1917
Mar–May 1909
3-Month
7.53"
(191.26mm)
7.94"
(201.68mm)
-0.41"
(-10.42mm)
42nd Driest Driest since: 1901 1925
87th Wettest Wettest since: 1908 1957, 1991
Ties: 1940
Feb–May 1909
4-Month
10.41"
(264.41mm)
10.07"
(255.78mm)
0.34"
(8.63mm)
83rd Driest Driest since: 1907 1925
46th Wettest Wettest since: 1908 2019
Jan–May 1909
5-Month
13.15"
(334.01mm)
12.39"
(314.71mm)
0.76"
(19.30mm)
97th Driest Driest since: 1907 1934
32nd Wettest Wettest since: 1908 2019
Dec 1908–May 1909
6-Month
14.88"
(377.95mm)
14.73"
(374.14mm)
0.15"
(3.81mm)
70th Driest Driest since: 1904 1931
58th Wettest Wettest since: 1908 2019
Ties: 1943
Nov 1908–May 1909
7-Month
16.55"
(420.37mm)
16.96"
(430.78mm)
-0.41"
(-10.41mm)
52nd Driest Driest since: 1904 1934
76th Wettest Wettest since: 1908 1983
Ties: 1961
Oct 1908–May 1909
8-Month
18.58"
(471.93mm)
19.13"
(485.90mm)
-0.55"
(-13.97mm)
46th Driest Driest since: 1904 1934
82nd Wettest Wettest since: 1908 2019
Sep 1908–May 1909
9-Month
20.41"
(518.41mm)
21.62"
(549.15mm)
-1.21"
(-30.74mm)
32nd Driest Driest since: 1904 1934
96th Wettest Wettest since: 1908 2019
Aug 1908–May 1909
10-Month
23.29"
(591.57mm)
24.25"
(615.95mm)
-0.96"
(-24.38mm)
39th Driest Driest since: 1904 1918
89th Wettest Wettest since: 1908 2019
Jul 1908–May 1909
11-Month
26.30"
(668.02mm)
27.03"
(686.56mm)
-0.73"
(-18.54mm)
39th Driest Driest since: 1904 1931
89th Wettest Wettest since: 1908 2019
Jun 1908–May 1909
12-Month
29.32"
(744.73mm)
29.95"
(760.73mm)
-0.63"
(-16.00mm)
44th Driest Driest since: 1904 1934
84th Wettest Wettest since: 1908 2019
Dec 1907–May 1909
18-Month
45.64"
(1,159.26mm)
44.70"
(1,135.38mm)
0.94"
(23.88mm)
77th Driest Driest since: 1905 1931
50th Wettest Wettest since: 1908 2019
Ties: 1897, 1952
Jun 1907–May 1909
24-Month
61.10"
(1,551.94mm)
59.92"
(1,521.97mm)
1.18"
(29.97mm)
75th Driest Driest since: 1905 1931
52nd Wettest Wettest since: 1908 2020
Jun 1906–May 1909
36-Month
93.98"
(2,387.09mm)
89.88"
(2,282.95mm)
4.10"
(104.14mm)
100th Driest Driest since: 1906 1955
26th Wettest Wettest since: 1908 2019
Jun 1905–May 1909
48-Month
125.32"
(3,183.13mm)
119.78"
(3,042.41mm)
5.54"
(140.72mm)
101st Driest Driest since: 1907 1956
24th Wettest Wettest since: 1908 2019
Jun 1904–May 1909
60-Month
155.23"
(3,942.84mm)
149.64"
(3,800.86mm)
5.59"
(141.98mm)
98th Driest Driest since: 1908 1957
26th Wettest Wettest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, Precipitation, published September 2022, retrieved on September 30, 2022 from https://www.ncdc.noaa.gov/cag/