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, January 1940

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
January 1940
1-Month
1.93"
(49.02mm)
2.31"
(58.67mm)
-0.38"
(-9.65mm)
29th Driest Driest since: 1934 1981
99th Wettest Wettest since: 1939 1916
Dec 1939–Jan 1940
2-Month
3.81"
(96.77mm)
4.66"
(118.36mm)
-0.85"
(-21.59mm)
16th Driest Driest since: 1931 1981
111th Wettest Wettest since: 1939 1932
Nov 1939–Jan 1940
3-Month
4.80"
(121.92mm)
6.89"
(175.01mm)
-2.09"
(-53.09mm)
3rd Driest Driest to Date 1977
124th Wettest Wettest since: 1939 2016
Oct 1939–Jan 1940
4-Month
6.40"
(162.56mm)
9.06"
(230.12mm)
-2.66"
(-67.56mm)
2nd Driest Driest since: 1918 1981
125th Wettest Wettest since: 1939 2016
Ties: 1918
Sep 1939–Jan 1940
5-Month
8.02"
(203.71mm)
11.55"
(293.37mm)
-3.53"
(-89.66mm)
1st Driest Driest to Date 1940
126th Wettest Wettest since: 1939 2019
Aug 1939–Jan 1940
6-Month
10.73"
(272.54mm)
14.17"
(359.92mm)
-3.44"
(-87.38mm)
1st Driest Driest to Date 1940
126th Wettest Wettest since: 1939 2019
Jul 1939–Jan 1940
7-Month
13.09"
(332.49mm)
16.96"
(430.78mm)
-3.87"
(-98.29mm)
1st Driest Driest to Date 1940
126th Wettest Wettest since: 1939 2019
Jun 1939–Jan 1940
8-Month
16.41"
(416.81mm)
19.88"
(504.95mm)
-3.47"
(-88.14mm)
5th Driest Driest since: 1931 1981
122nd Wettest Wettest since: 1939 2019
May 1939–Jan 1940
9-Month
18.61"
(472.69mm)
22.79"
(578.87mm)
-4.18"
(-106.18mm)
2nd Driest Driest since: 1918 1918
125th Wettest Wettest since: 1939 2016
Apr 1939–Jan 1940
10-Month
20.77"
(527.56mm)
25.32"
(643.13mm)
-4.55"
(-115.57mm)
1st Driest Driest to Date 1940
126th Wettest Wettest since: 1939 2016
Mar 1939–Jan 1940
11-Month
22.84"
(580.14mm)
27.83"
(706.88mm)
-4.99"
(-126.74mm)
3rd Driest Driest since: 1931 1957
124th Wettest Wettest since: 1939 1974
Feb 1939–Jan 1940
12-Month
25.77"
(654.56mm)
29.96"
(760.98mm)
-4.19"
(-106.42mm)
6th Driest Driest since: 1931 1931
121st Wettest Wettest since: 1939 1974
Aug 1938–Jan 1940
18-Month
37.79"
(959.87mm)
44.14"
(1,121.16mm)
-6.35"
(-161.29mm)
2nd Driest Driest to Date 1955
124th Wettest Wettest since: 1939 2020
Feb 1938–Jan 1940
24-Month
55.89"
(1,419.61mm)
59.93"
(1,522.22mm)
-4.04"
(-102.61mm)
17th Driest Driest since: 1935 1918
109th Wettest Wettest since: 1939 2020
Feb 1937–Jan 1940
36-Month
84.86"
(2,155.44mm)
89.86"
(2,282.44mm)
-5.00"
(-127.00mm)
15th Driest Driest since: 1937 1957
110th Wettest Wettest since: 1939 2020
Feb 1936–Jan 1940
48-Month
112.91"
(2,867.91mm)
119.76"
(3,041.90mm)
-6.85"
(-173.99mm)
9th Driest Driest since: 1937 1957
115th Wettest Wettest since: 1939 2020
Feb 1935–Jan 1940
60-Month
142.87"
(3,628.90mm)
149.63"
(3,800.60mm)
-6.76"
(-171.70mm)
11th Driest Driest since: 1938 1957
112th Wettest Wettest since: 1939 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2021, retrieved on October 25, 2021 from https://www.ncdc.noaa.gov/cag/