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


Contiguous U.S.

Precipitation Rankings, September 1901

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1901
1-Month
2.58"
(65.53mm)
2.49"
(63.25mm)
0.09"
(2.28mm)
79th Driest Driest since: 1899 1956
49th Wettest Wettest since: 1900 1986
Ties: 1993
Aug–Sep 1901
2-Month
5.55"
(140.97mm)
5.11"
(129.79mm)
0.44"
(11.18mm)
101st Driest Driest since: 1900 1956
27th Wettest Wettest to Date 1977
Ties: 1966
Jul–Sep 1901
3-Month
7.87"
(199.90mm)
7.88"
(200.15mm)
-0.01"
(-0.25mm)
64th Driest Driest since: 1899 1930
64th Wettest Wettest since: 1900 1915
Jun–Sep 1901
4-Month
10.47"
(265.94mm)
10.81"
(274.57mm)
-0.34"
(-8.63mm)
40th Driest Driest since: 1899 1930
88th Wettest Wettest since: 1900 1915
May–Sep 1901
5-Month
13.13"
(333.50mm)
13.72"
(348.49mm)
-0.59"
(-14.99mm)
37th Driest Driest since: 1899 1956
91st Wettest Wettest since: 1900 1915
Ties: 1914, 1983
Apr–Sep 1901
6-Month
15.66"
(397.76mm)
16.24"
(412.50mm)
-0.58"
(-14.74mm)
38th Driest Driest since: 1899 1956
90th Wettest Wettest since: 1900 1915
Mar–Sep 1901
7-Month
17.95"
(455.93mm)
18.75"
(476.25mm)
-0.80"
(-20.32mm)
36th Driest Driest since: 1899 1956
92nd Wettest Wettest since: 1900 1973
Feb–Sep 1901
8-Month
20.08"
(510.03mm)
20.88"
(530.35mm)
-0.80"
(-20.32mm)
36th Driest Driest since: 1899 1930
92nd Wettest Wettest since: 1900 2019
Jan–Sep 1901
9-Month
22.07"
(560.58mm)
23.20"
(589.28mm)
-1.13"
(-28.70mm)
28th Driest Driest since: 1899 1934
100th Wettest Wettest since: 1900 2019
Dec 1900–Sep 1901
10-Month
23.73"
(602.74mm)
25.54"
(648.72mm)
-1.81"
(-45.98mm)
22nd Driest Driest since: 1899 1931
105th Wettest Wettest since: 1900 2019
Nov 1900–Sep 1901
11-Month
26.10"
(662.94mm)
27.77"
(705.36mm)
-1.67"
(-42.42mm)
26th Driest Driest since: 1899 1934
101st Wettest Wettest since: 1900 2019
Oct 1900–Sep 1901
12-Month
28.85"
(732.79mm)
29.94"
(760.48mm)
-1.09"
(-27.69mm)
34th Driest Driest since: 1899 1934
93rd Wettest Wettest since: 1900 2019
Apr 1900–Sep 1901
18-Month
46.16"
(1,172.46mm)
46.20"
(1,173.48mm)
-0.04"
(-1.02mm)
57th Driest Driest since: 1900 1931
70th Wettest Wettest to Date 2019
Oct 1899–Sep 1901
24-Month
59.46"
(1,510.28mm)
59.92"
(1,521.97mm)
-0.46"
(-11.69mm)
51st Driest Driest since: 1900 1918
75th Wettest Wettest since: 1898 2020
Oct 1898–Sep 1901
36-Month
87.89"
(2,232.41mm)
89.87"
(2,282.70mm)
-1.98"
(-50.29mm)
36th Driest Driest to Date 1956
89th Wettest Wettest since: 1900 2019
Oct 1897–Sep 1901
48-Month
117.66"
(2,988.56mm)
119.78"
(3,042.41mm)
-2.12"
(-53.85mm)
38th Driest Driest since: 1899 1956
86th Wettest Wettest since: 1900 2019
Oct 1896–Sep 1901
60-Month
147.40"
(3,743.96mm)
149.66"
(3,801.36mm)
-2.26"
(-57.40mm)
39th Driest Driest to Date 1956
84th Wettest Wettest since: 1900 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published July 2022, retrieved on August 8, 2022 from https://www.ncei.noaa.gov/cag/