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 May 2022. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, September 1946

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
September 1946
1-Month
2.64"
(67.06mm)
2.49"
(63.25mm)
0.15"
(3.81mm)
81st Driest Driest since: 1944 1956
47th Wettest Wettest since: 1945 1986
Ties: 2014
Aug–Sep 1946
2-Month
5.22"
(132.59mm)
5.11"
(129.79mm)
0.11"
(2.80mm)
75th Driest Driest since: 1943 1956
53rd Wettest Wettest since: 1945 1977
Ties: 1958, 1997
Jul–Sep 1946
3-Month
7.79"
(197.87mm)
7.88"
(200.15mm)
-0.09"
(-2.28mm)
55th Driest Driest since: 1944 1930
73rd Wettest Wettest since: 1945 1915
Ties: 1949, 1998
Jun–Sep 1946
4-Month
10.67"
(271.02mm)
10.81"
(274.57mm)
-0.14"
(-3.55mm)
50th Driest Driest since: 1944 1930
78th Wettest Wettest since: 1945 1915
Ties: 1932, 1944, 1991, 1994
May–Sep 1946
5-Month
14.42"
(366.27mm)
13.72"
(348.49mm)
0.70"
(17.78mm)
84th Driest Driest since: 1944 1956
44th Wettest Wettest since: 1945 1915
Apr–Sep 1946
6-Month
16.08"
(408.43mm)
16.24"
(412.50mm)
-0.16"
(-4.07mm)
53rd Driest Driest since: 1943 1956
75th Wettest Wettest since: 1945 1915
Mar–Sep 1946
7-Month
18.75"
(476.25mm)
18.75"
(476.25mm)
0.00"
(0.00mm)
56th Driest Driest since: 1943 1956
72nd Wettest Wettest since: 1945 1973
Ties: 1972
Feb–Sep 1946
8-Month
20.81"
(528.57mm)
20.88"
(530.35mm)
-0.07"
(-1.78mm)
59th Driest Driest since: 1943 1930
69th Wettest Wettest since: 1945 2019
Jan–Sep 1946
9-Month
23.35"
(593.09mm)
23.20"
(589.28mm)
0.15"
(3.81mm)
65th Driest Driest since: 1943 1934
63rd Wettest Wettest since: 1945 2019
Dec 1945–Sep 1946
10-Month
26.05"
(661.67mm)
25.54"
(648.72mm)
0.51"
(12.95mm)
72nd Driest Driest since: 1943 1931
55th Wettest Wettest since: 1945 2019
Nov 1945–Sep 1946
11-Month
28.29"
(718.57mm)
27.77"
(705.36mm)
0.52"
(13.21mm)
71st Driest Driest since: 1944 1934
56th Wettest Wettest since: 1945 2019
Oct 1945–Sep 1946
12-Month
30.29"
(769.37mm)
29.94"
(760.48mm)
0.35"
(8.89mm)
68th Driest Driest since: 1944 1934
59th Wettest Wettest since: 1945 2019
Apr 1945–Sep 1946
18-Month
48.71"
(1,237.23mm)
46.20"
(1,173.48mm)
2.51"
(63.75mm)
99th Driest Driest since: 1944 1931
28th Wettest Wettest since: 1945 2019
Ties: 1984
Oct 1944–Sep 1946
24-Month
62.46"
(1,586.48mm)
59.92"
(1,521.97mm)
2.54"
(64.51mm)
92nd Driest Driest since: 1945 1918
34th Wettest Wettest since: 1942 2020
Oct 1943–Sep 1946
36-Month
92.08"
(2,338.83mm)
89.87"
(2,282.70mm)
2.21"
(56.13mm)
83rd Driest Driest since: 1945 1956
42nd Wettest Wettest since: 1943 2019
Oct 1942–Sep 1946
48-Month
121.26"
(3,080.00mm)
119.78"
(3,042.41mm)
1.48"
(37.59mm)
71st Driest Driest since: 1943 1956
53rd Wettest Wettest since: 1945 2019
Ties: 1977
Oct 1941–Sep 1946
60-Month
153.44"
(3,897.38mm)
149.66"
(3,801.36mm)
3.78"
(96.02mm)
88th Driest Driest since: 1944 1956
35th Wettest Wettest since: 1945 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published June 2022, retrieved on July 3, 2022 from https://www.ncei.noaa.gov/cag/