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


Contiguous U.S.

Precipitation Rankings, October 1940

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
October 1940
1-Month
1.77"
(44.96mm)
2.16"
(54.86mm)
-0.39"
(-9.90mm)
28th Driest Driest since: 1939 1952
100th 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
113th 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
100th 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
101st 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
96th 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
108th 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
98th 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
101st Wettest Wettest since: 1938 2019
Feb–Oct 1940
9-Month
22.73"
(577.34mm)
23.04"
(585.22mm)
-0.31"
(-7.88mm)
47th Driest Driest since: 1939 1934
81st Wettest Wettest since: 1938 2019
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
94th Wettest Wettest since: 1938 2019
Dec 1939–Oct 1940
11-Month
26.54"
(674.12mm)
27.70"
(703.58mm)
-1.16"
(-29.46mm)
33rd Driest Driest since: 1939 1931
94th Wettest Wettest since: 1938 2019
Nov 1939–Oct 1940
12-Month
27.53"
(699.26mm)
29.93"
(760.22mm)
-2.40"
(-60.96mm)
20th Driest Driest since: 1939 1934
107th Wettest Wettest since: 1938 2019
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
119th Wettest Wettest since: 1939 2019
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
118th Wettest Wettest since: 1939 2019
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
107th Wettest Wettest since: 1939 2019
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
107th Wettest Wettest since: 1938 2019
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
114th Wettest Wettest since: 1939 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published January 2022, retrieved on January 20, 2022 from https://www.ncdc.noaa.gov/cag/