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, December 1939

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
December 1939
1-Month
1.88"
(47.75mm)
2.35"
(59.69mm)
-0.47"
(-11.94mm)
27th Driest Driest since: 1938 1930
101st Wettest Wettest since: 1937 2015
Nov–Dec 1939
2-Month
2.87"
(72.90mm)
4.58"
(116.33mm)
-1.71"
(-43.43mm)
3rd Driest Driest since: 1917 1976
125th Wettest Wettest since: 1938 2015
Oct–Dec 1939
3-Month
4.47"
(113.54mm)
6.74"
(171.20mm)
-2.27"
(-57.66mm)
2nd Driest Driest since: 1917 1917
126th Wettest Wettest since: 1938 2015
Sep–Dec 1939
4-Month
6.09"
(154.69mm)
9.23"
(234.44mm)
-3.14"
(-79.75mm)
1st Driest Driest since: 1939 1939
127th Wettest Wettest since: 1938 2018
Aug–Dec 1939
5-Month
8.80"
(223.52mm)
11.85"
(300.99mm)
-3.05"
(-77.47mm)
2nd Driest Driest since: 1917 1917
126th Wettest Wettest since: 1938 2018
Jul–Dec 1939
6-Month
11.16"
(283.46mm)
14.62"
(371.35mm)
-3.46"
(-87.89mm)
2nd Driest Driest since: 1917 1917
126th Wettest Wettest since: 1938 2018
Jun–Dec 1939
7-Month
14.48"
(367.79mm)
17.55"
(445.77mm)
-3.07"
(-77.98mm)
5th Driest Driest since: 1930 1917
123rd Wettest Wettest since: 1938 2018
May–Dec 1939
8-Month
16.68"
(423.67mm)
20.46"
(519.68mm)
-3.78"
(-96.01mm)
4th Driest Driest since: 1917 1917
124th Wettest Wettest since: 1938 2015
Apr–Dec 1939
9-Month
18.84"
(478.54mm)
22.98"
(583.69mm)
-4.14"
(-105.15mm)
2nd Driest Driest since: 1939 1956
126th Wettest Wettest since: 1938 2015
Mar–Dec 1939
10-Month
20.91"
(531.11mm)
25.49"
(647.45mm)
-4.58"
(-116.34mm)
3rd Driest Driest since: 1910 1956
125th Wettest Wettest since: 1938 2015
Feb–Dec 1939
11-Month
23.84"
(605.54mm)
27.62"
(701.55mm)
-3.78"
(-96.01mm)
6th Driest Driest since: 1930 1910
122nd Wettest Wettest since: 1938 2018
Jan–Dec 1939
12-Month
26.33"
(668.78mm)
29.94"
(760.48mm)
-3.61"
(-91.70mm)
10th Driest Driest since: 1934 1910
118th Wettest Wettest since: 1938 1973
Jul 1938–Dec 1939
18-Month
39.20"
(995.68mm)
44.58"
(1,132.33mm)
-5.38"
(-136.65mm)
3rd Driest Driest since: 1917 1954
124th Wettest Wettest since: 1938 2019
Jan 1938–Dec 1939
24-Month
56.07"
(1,424.18mm)
59.90"
(1,521.46mm)
-3.83"
(-97.28mm)
17th Driest Driest since: 1935 1931
110th Wettest Wettest since: 1938 2019
Jan 1937–Dec 1939
36-Month
86.58"
(2,199.13mm)
89.86"
(2,282.44mm)
-3.28"
(-83.31mm)
27th Driest Driest since: 1936 1956
99th Wettest Wettest since: 1938 2019
Jan 1936–Dec 1939
48-Month
113.86"
(2,892.04mm)
119.78"
(3,042.41mm)
-5.92"
(-150.37mm)
13th Driest Driest since: 1937 1956
112th Wettest Wettest since: 1938 2019
Jan 1935–Dec 1939
60-Month
143.34"
(3,640.84mm)
149.68"
(3,801.87mm)
-6.34"
(-161.03mm)
14th Driest Driest since: 1938 1956
110th Wettest Wettest since: 1931 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, Precipitation, published September 2022, retrieved on October 1, 2022 from https://www.ncdc.noaa.gov/cag/