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 July 2020. For more information, please see Climatological Rankings.


Contiguous U.S.

Precipitation Rankings, October 2009

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
October 2009
1-Month
4.29"
(108.97mm)
2.16"
(54.86mm)
2.13"
(54.11mm)
125th Driest Driest since: 2008 1952
1st Wettest Wettest to Date 2009
Sep–Oct 2009
2-Month
6.83"
(173.48mm)
4.65"
(118.11mm)
2.18"
(55.37mm)
123rd Driest Driest since: 2008 1952
3rd Wettest Wettest since: 1941 2018
Aug–Oct 2009
3-Month
9.52"
(241.81mm)
7.27"
(184.66mm)
2.25"
(57.15mm)
123rd Driest Driest since: 2008 1952
3rd Wettest Wettest since: 1941 2018
Jul–Oct 2009
4-Month
12.59"
(319.79mm)
10.05"
(255.27mm)
2.54"
(64.52mm)
123rd Driest Driest since: 2008 1952
3rd Wettest Wettest since: 1941 1941
Jun–Oct 2009
5-Month
15.60"
(396.24mm)
12.97"
(329.44mm)
2.63"
(66.80mm)
122nd Driest Driest since: 2008 1952
4th Wettest Wettest since: 2004 1941
May–Oct 2009
6-Month
18.91"
(480.31mm)
15.88"
(403.35mm)
3.03"
(76.96mm)
121st Driest Driest since: 2008 1952
5th Wettest Wettest since: 2004 1941
Apr–Oct 2009
7-Month
21.74"
(552.20mm)
18.40"
(467.36mm)
3.34"
(84.84mm)
123rd Driest Driest since: 2008 1952
3rd Wettest Wettest since: 1941 1941
Mar–Oct 2009
8-Month
24.44"
(620.78mm)
20.91"
(531.11mm)
3.53"
(89.67mm)
124th Driest Driest since: 2008 1956
2nd Wettest Wettest to Date 2019
Feb–Oct 2009
9-Month
25.99"
(660.15mm)
23.04"
(585.22mm)
2.95"
(74.93mm)
118th Driest Driest since: 2008 1934
8th Wettest Wettest since: 1975 2019
Jan–Oct 2009
10-Month
27.59"
(700.79mm)
25.36"
(644.14mm)
2.23"
(56.65mm)
110th Driest Driest since: 2008 1934
16th Wettest Wettest since: 2004 2019
Dec 2008–Oct 2009
11-Month
30.43"
(772.92mm)
27.70"
(703.58mm)
2.73"
(69.34mm)
112th Driest Driest since: 2008 1931
13th Wettest Wettest since: 1998 2019
Nov 2008–Oct 2009
12-Month
32.38"
(822.45mm)
29.93"
(760.22mm)
2.45"
(62.23mm)
108th Driest Driest since: 2008 1934
17th Wettest Wettest since: 2004 2019
May 2008–Oct 2009
18-Month
49.09"
(1,246.89mm)
45.83"
(1,164.08mm)
3.26"
(82.81mm)
100th Driest Driest since: 2008 1931
25th Wettest Wettest since: 2005 2019
Nov 2007–Oct 2009
24-Month
63.20"
(1,605.28mm)
59.90"
(1,521.46mm)
3.30"
(83.82mm)
97th Driest Driest since: 2008 1931
27th Wettest Wettest since: 2005 2019
Nov 2006–Oct 2009
36-Month
93.04"
(2,363.22mm)
89.86"
(2,282.44mm)
3.18"
(80.78mm)
90th Driest Driest since: 2008 1956
33rd Wettest Wettest since: 2006 2019
Nov 2005–Oct 2009
48-Month
122.34"
(3,107.44mm)
119.78"
(3,042.41mm)
2.56"
(65.03mm)
84th Driest Driest since: 2008 1956
38th Wettest Wettest since: 2007 2019
Nov 2004–Oct 2009
60-Month
153.27"
(3,893.06mm)
149.66"
(3,801.36mm)
3.61"
(91.70mm)
87th Driest Driest since: 2006 1934
34th Wettest Wettest since: 2008 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published August 2020, retrieved on August 8, 2020 from https://www.ncdc.noaa.gov/cag/