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 2021. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, September 1921

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1921
1-Month
2.57"
(65.28mm)
2.49"
(63.25mm)
0.08"
(2.03mm)
76th Driest Driest since: 1920 1956
51st Wettest Wettest since: 1915 1986
Ties: 1905, 1951
Aug–Sep 1921
2-Month
5.17"
(131.32mm)
5.11"
(129.79mm)
0.06"
(1.53mm)
67th Driest Driest since: 1919 1956
60th Wettest Wettest since: 1920 1977
Jul–Sep 1921
3-Month
8.03"
(203.96mm)
7.88"
(200.15mm)
0.15"
(3.81mm)
78th Driest Driest since: 1919 1930
49th Wettest Wettest since: 1920 1915
Ties: 1951
Jun–Sep 1921
4-Month
10.93"
(277.62mm)
10.81"
(274.57mm)
0.12"
(3.05mm)
65th Driest Driest since: 1919 1930
62nd Wettest Wettest since: 1920 1915
Ties: 1974
May–Sep 1921
5-Month
13.48"
(342.39mm)
13.72"
(348.49mm)
-0.24"
(-6.10mm)
48th Driest Driest since: 1918 1956
79th Wettest Wettest since: 1920 1915
Ties: 2001
Apr–Sep 1921
6-Month
16.27"
(413.26mm)
16.24"
(412.50mm)
0.03"
(0.76mm)
61st Driest Driest since: 1918 1956
66th Wettest Wettest since: 1920 1915
Ties: 1909, 1969
Mar–Sep 1921
7-Month
18.79"
(477.27mm)
18.75"
(476.25mm)
0.04"
(1.02mm)
59th Driest Driest since: 1918 1956
68th Wettest Wettest since: 1920 1973
Ties: 1951
Feb–Sep 1921
8-Month
20.56"
(522.22mm)
20.88"
(530.35mm)
-0.32"
(-8.13mm)
52nd Driest Driest since: 1918 1930
75th Wettest Wettest since: 1920 2019
Jan–Sep 1921
9-Month
22.67"
(575.82mm)
23.20"
(589.28mm)
-0.53"
(-13.46mm)
43rd Driest Driest since: 1918 1934
84th Wettest Wettest since: 1920 2019
Ties: 1977, 1994
Dec 1920–Sep 1921
10-Month
25.42"
(645.67mm)
25.54"
(648.72mm)
-0.12"
(-3.05mm)
57th Driest Driest since: 1918 1931
69th Wettest Wettest since: 1920 2019
Nov 1920–Sep 1921
11-Month
27.68"
(703.07mm)
27.77"
(705.36mm)
-0.09"
(-2.29mm)
56th Driest Driest since: 1918 1934
70th Wettest Wettest since: 1920 2019
Oct 1920–Sep 1921
12-Month
29.85"
(758.19mm)
29.94"
(760.48mm)
-0.09"
(-2.29mm)
58th Driest Driest since: 1918 1934
68th Wettest Wettest since: 1920 2019
Apr 1920–Sep 1921
18-Month
47.37"
(1,203.20mm)
46.20"
(1,173.48mm)
1.17"
(29.72mm)
79th Driest Driest since: 1919 1931
47th Wettest Wettest since: 1920 2019
Ties: 1929
Oct 1919–Sep 1921
24-Month
62.03"
(1,575.56mm)
59.92"
(1,521.97mm)
2.11"
(53.59mm)
86th Driest Driest since: 1919 1918
39th Wettest Wettest since: 1920 2020
Ties: 1927
Oct 1918–Sep 1921
36-Month
93.63"
(2,378.20mm)
89.87"
(2,282.70mm)
3.76"
(95.50mm)
97th Driest Driest since: 1920 1956
27th Wettest Wettest since: 1908 2019
Oct 1917–Sep 1921
48-Month
118.50"
(3,009.90mm)
119.78"
(3,042.41mm)
-1.28"
(-32.51mm)
43rd Driest Driest since: 1920 1956
80th Wettest Wettest since: 1917 2019
Oct 1916–Sep 1921
60-Month
145.65"
(3,699.51mm)
149.66"
(3,801.36mm)
-4.01"
(-101.85mm)
26th Driest Driest since: 1918 1956
96th Wettest Wettest since: 1920 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published July 2021, retrieved on July 27, 2021 from https://www.ncdc.noaa.gov/cag/