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, October 1940

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
October 1940
1-Month
1.77"
(44.96mm)
2.16"
(54.86mm)
-0.39"
(-9.90mm)
28th Driest Driest since: 1939 1952
97th Wettest Wettest since: 1937 2009
Ties: 1903
Sep–Oct 1940
2-Month
3.77"
(95.76mm)
4.65"
(118.11mm)
-0.88"
(-22.35mm)
15th Driest Driest since: 1939 1952
110th Wettest Wettest since: 1937 2018
Aug–Oct 1940
3-Month
6.74"
(171.20mm)
7.27"
(184.66mm)
-0.53"
(-13.46mm)
28th Driest Driest since: 1939 1952
97th Wettest Wettest since: 1937 2018
Ties: 1908
Jul–Oct 1940
4-Month
9.24"
(234.70mm)
10.05"
(255.27mm)
-0.81"
(-20.57mm)
27th Driest Driest since: 1939 1952
98th Wettest Wettest since: 1937 1941
Jun–Oct 1940
5-Month
12.22"
(310.39mm)
12.97"
(329.44mm)
-0.75"
(-19.05mm)
32nd Driest Driest since: 1939 1952
93rd Wettest Wettest since: 1938 1941
May–Oct 1940
6-Month
14.44"
(366.78mm)
15.88"
(403.35mm)
-1.44"
(-36.57mm)
20th Driest Driest since: 1939 1952
105th Wettest Wettest since: 1938 1941
Ties: 1964
Apr–Oct 1940
7-Month
17.48"
(443.99mm)
18.40"
(467.36mm)
-0.92"
(-23.37mm)
30th Driest Driest since: 1939 1952
95th Wettest Wettest since: 1938 1941
Mar–Oct 1940
8-Month
19.75"
(501.65mm)
20.91"
(531.11mm)
-1.16"
(-29.46mm)
27th Driest Driest since: 1939 1956
98th Wettest Wettest since: 1938 2009
Feb–Oct 1940
9-Month
22.73"
(577.34mm)
23.04"
(585.22mm)
-0.31"
(-7.88mm)
47th Driest Driest since: 1939 1934
78th Wettest Wettest since: 1938 2018
Ties: 1948
Jan–Oct 1940
10-Month
24.66"
(626.36mm)
25.36"
(644.14mm)
-0.70"
(-17.78mm)
34th Driest Driest since: 1939 1934
91st Wettest Wettest since: 1938 1998
Dec 1939–Oct 1940
11-Month
26.54"
(674.12mm)
27.70"
(703.58mm)
-1.16"
(-29.46mm)
33rd Driest Driest since: 1939 1931
91st Wettest Wettest since: 1938 2017
Nov 1939–Oct 1940
12-Month
27.53"
(699.26mm)
29.93"
(760.22mm)
-2.40"
(-60.96mm)
20th Driest Driest since: 1939 1934
104th Wettest Wettest since: 1938 1973
May 1939–Oct 1940
18-Month
41.34"
(1,050.04mm)
45.83"
(1,164.08mm)
-4.49"
(-114.04mm)
8th Driest Driest since: 1934 1931
116th Wettest Wettest since: 1939 2016
Nov 1938–Oct 1940
24-Month
54.71"
(1,389.63mm)
59.90"
(1,521.46mm)
-5.19"
(-131.83mm)
8th Driest Driest since: 1934 1931
115th Wettest Wettest since: 1939 2017
Nov 1937–Oct 1940
36-Month
85.32"
(2,167.13mm)
89.86"
(2,282.44mm)
-4.54"
(-115.31mm)
18th Driest Driest since: 1936 1956
104th Wettest Wettest since: 1939 1975
Nov 1936–Oct 1940
48-Month
115.17"
(2,925.32mm)
119.78"
(3,042.41mm)
-4.61"
(-117.09mm)
17th Driest Driest since: 1939 1956
104th Wettest Wettest since: 1938 1998
Nov 1935–Oct 1940
60-Month
142.33"
(3,615.18mm)
149.66"
(3,801.36mm)
-7.33"
(-186.18mm)
9th Driest Driest since: 1937 1934
111th Wettest Wettest since: 1939 1997

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 15, 2019 from https://www.ncdc.noaa.gov/cag/