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 August 2019. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, September 2009

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Amomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
September 2009
1-Month
2.54"
(64.52mm)
2.49"
(63.25mm)
0.05"
(1.27mm)
71st Driest Driest since: 2007 1956
54th Wettest Wettest since: 2008 1986
Ties: 1964, 1997
Aug–Sep 2009
2-Month
5.23"
(132.84mm)
5.11"
(129.79mm)
0.12"
(3.05mm)
76th Driest Driest since: 2007 1956
49th Wettest Wettest since: 2008 1977
Ties: 1992
Jul–Sep 2009
3-Month
8.30"
(210.82mm)
7.88"
(200.15mm)
0.42"
(10.67mm)
87th Driest Driest since: 2007 1930
38th Wettest Wettest since: 2008 1915
Jun–Sep 2009
4-Month
11.31"
(287.27mm)
10.81"
(274.57mm)
0.50"
(12.70mm)
85th Driest Driest since: 2007 1930
40th Wettest Wettest since: 2008 1915
Ties: 2015
May–Sep 2009
5-Month
14.62"
(371.35mm)
13.72"
(348.49mm)
0.90"
(22.86mm)
93rd Driest Driest since: 2008 1956
32nd Wettest Wettest since: 2004 1915
Apr–Sep 2009
6-Month
17.45"
(443.23mm)
16.24"
(412.50mm)
1.21"
(30.73mm)
95th Driest Driest since: 2008 1956
30th Wettest Wettest since: 2004 1915
Mar–Sep 2009
7-Month
20.15"
(511.81mm)
18.75"
(476.25mm)
1.40"
(35.56mm)
99th Driest Driest since: 2008 1956
26th Wettest Wettest since: 2004 1973
Feb–Sep 2009
8-Month
21.70"
(551.18mm)
20.88"
(530.35mm)
0.82"
(20.83mm)
79th Driest Driest since: 2007 1930
46th Wettest Wettest since: 2008 1945
Jan–Sep 2009
9-Month
23.30"
(591.82mm)
23.20"
(589.28mm)
0.10"
(2.54mm)
63rd Driest Driest since: 2007 1934
62nd Wettest Wettest since: 2008 2017
Dec 2008–Sep 2009
10-Month
26.14"
(663.96mm)
25.54"
(648.72mm)
0.60"
(15.24mm)
76th Driest Driest since: 2007 1931
48th Wettest Wettest since: 2008 1973
Nov 2008–Sep 2009
11-Month
28.09"
(713.49mm)
27.77"
(705.36mm)
0.32"
(8.13mm)
66th Driest Driest since: 2007 1934
58th Wettest Wettest since: 2008 1993
Oct 2008–Sep 2009
12-Month
30.27"
(768.86mm)
29.94"
(760.48mm)
0.33"
(8.38mm)
66th Driest Driest since: 2007 1934
58th Wettest Wettest since: 2008 1973
Apr 2008–Sep 2009
18-Month
47.34"
(1,202.44mm)
46.20"
(1,173.48mm)
1.14"
(28.96mm)
77th Driest Driest since: 2008 1931
47th Wettest Wettest since: 2005 2016
Oct 2007–Sep 2009
24-Month
61.63"
(1,565.40mm)
59.92"
(1,521.97mm)
1.71"
(43.43mm)
80th Driest Driest since: 2008 1918
43rd Wettest Wettest since: 2005 2017
Oct 2006–Sep 2009
36-Month
91.65"
(2,327.91mm)
89.87"
(2,282.70mm)
1.78"
(45.21mm)
79th Driest Driest since: 2008 1956
43rd Wettest Wettest since: 2006 1975
Oct 2005–Sep 2009
48-Month
120.42"
(3,058.67mm)
119.78"
(3,042.41mm)
0.64"
(16.26mm)
64th Driest Driest since: 2004 1956
57th Wettest Wettest since: 2008 1998
Oct 2004–Sep 2009
60-Month
152.02"
(3,861.31mm)
149.66"
(3,801.36mm)
2.36"
(59.95mm)
75th Driest Driest since: 2006 1956
45th Wettest Wettest since: 2008 1999

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published September 2019, retrieved on September 20, 2019 from https://www.ncdc.noaa.gov/cag/