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 1909

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Wettest/Driest
Since
Record
September 1909
1-Month
2.28"
(57.91mm)
2.49"
(63.25mm)
-0.21"
(-5.34mm)
40th Driest Driest since: 1908 1956
87th Wettest Wettest since: 1907 1986
Aug–Sep 1909
2-Month
4.69"
(119.13mm)
5.11"
(129.79mm)
-0.42"
(-10.66mm)
28th Driest Driest since: 1899 1956
99th Wettest Wettest since: 1908 1977
Ties: 1990
Jul–Sep 1909
3-Month
7.72"
(196.09mm)
7.88"
(200.15mm)
-0.16"
(-4.06mm)
45th Driest Driest since: 1908 1930
82nd Wettest Wettest since: 1908 1915
Ties: 1908, 1960, 2002
Jun–Sep 1909
4-Month
10.95"
(278.13mm)
10.81"
(274.57mm)
0.14"
(3.56mm)
67th Driest Driest since: 1908 1930
60th Wettest Wettest since: 1907 1915
May–Sep 1909
5-Month
13.99"
(355.35mm)
13.72"
(348.49mm)
0.27"
(6.86mm)
67th Driest Driest since: 1904 1956
60th Wettest Wettest since: 1908 1915
Apr–Sep 1909
6-Month
16.27"
(413.26mm)
16.24"
(412.50mm)
0.03"
(0.76mm)
61st Driest Driest since: 1904 1956
66th Wettest Wettest since: 1908 1915
Ties: 1921, 1969
Mar–Sep 1909
7-Month
18.48"
(469.39mm)
18.75"
(476.25mm)
-0.27"
(-6.86mm)
47th Driest Driest since: 1901 1956
80th Wettest Wettest since: 1908 1973
Feb–Sep 1909
8-Month
21.36"
(542.54mm)
20.88"
(530.35mm)
0.48"
(12.19mm)
72nd Driest Driest since: 1907 1930
55th Wettest Wettest since: 1908 2019
Jan–Sep 1909
9-Month
24.10"
(612.14mm)
23.20"
(589.28mm)
0.90"
(22.86mm)
86th Driest Driest since: 1907 1934
41st Wettest Wettest since: 1908 2019
Dec 1908–Sep 1909
10-Month
25.83"
(656.08mm)
25.54"
(648.72mm)
0.29"
(7.36mm)
65th Driest Driest since: 1904 1931
61st Wettest Wettest since: 1908 2019
Nov 1908–Sep 1909
11-Month
27.50"
(698.50mm)
27.77"
(705.36mm)
-0.27"
(-6.86mm)
54th Driest Driest since: 1904 1934
72nd Wettest Wettest since: 1908 2019
Oct 1908–Sep 1909
12-Month
29.53"
(750.06mm)
29.94"
(760.48mm)
-0.41"
(-10.42mm)
46th Driest Driest since: 1904 1934
80th Wettest Wettest since: 1908 2019
Apr 1908–Sep 1909
18-Month
47.09"
(1,196.09mm)
46.20"
(1,173.48mm)
0.89"
(22.61mm)
71st Driest Driest since: 1905 1931
55th Wettest Wettest since: 1908 2019
Oct 1907–Sep 1909
24-Month
60.87"
(1,546.10mm)
59.92"
(1,521.97mm)
0.95"
(24.13mm)
73rd Driest Driest since: 1905 1918
52nd Wettest Wettest since: 1908 2020
Oct 1906–Sep 1909
36-Month
92.29"
(2,344.17mm)
89.87"
(2,282.70mm)
2.42"
(61.47mm)
85th Driest Driest since: 1906 1956
39th Wettest Wettest since: 1908 2019
Oct 1905–Sep 1909
48-Month
124.34"
(3,158.24mm)
119.78"
(3,042.41mm)
4.56"
(115.83mm)
98th Driest Driest since: 1907 1956
25th Wettest Wettest since: 1908 2019
Oct 1904–Sep 1909
60-Month
155.12"
(3,940.05mm)
149.66"
(3,801.36mm)
5.46"
(138.69mm)
96th Driest Driest since: 1908 1956
26th Wettest Wettest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published July 2021, retrieved on July 26, 2021 from https://www.ncdc.noaa.gov/cag/