Climate at a Glance

Regional 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 September 2021. For more information, please see Climatological Rankings.


Southwest Climate Region

Precipitation Rankings, September 2010

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2010
1-Month
0.81"
(20.57mm)
1.36"
(34.54mm)
-0.55"
(-13.97mm)
25th Driest Driest since: 2001 1953, 1956
103rd Wettest Wettest since: 2009 2013
Ties: 1907
Aug–Sep 2010
2-Month
2.80"
(71.12mm)
3.38"
(85.85mm)
-0.58"
(-14.73mm)
32nd Driest Driest since: 2009 2020
96th Wettest Wettest since: 2008 2013
Jul–Sep 2010
3-Month
5.17"
(131.32mm)
5.25"
(133.35mm)
-0.08"
(-2.03mm)
61st Driest Driest since: 2009 2020
67th Wettest Wettest since: 2008 2013
Ties: 1957
Jun–Sep 2010
4-Month
5.93"
(150.62mm)
6.19"
(157.23mm)
-0.26"
(-6.61mm)
57th Driest Driest since: 2009 2020
71st Wettest Wettest since: 2008 1927
Ties: 1935, 2016
May–Sep 2010
5-Month
6.65"
(168.91mm)
7.30"
(185.42mm)
-0.65"
(-16.51mm)
42nd Driest Driest since: 2009 2020
86th Wettest Wettest since: 2008 1941
Ties: 1993
Apr–Sep 2010
6-Month
7.77"
(197.36mm)
8.36"
(212.34mm)
-0.59"
(-14.98mm)
48th Driest Driest since: 2009 2020
80th Wettest Wettest since: 2007 1941
Ties: 2005
Mar–Sep 2010
7-Month
9.02"
(229.11mm)
9.51"
(241.55mm)
-0.49"
(-12.44mm)
57th Driest Driest since: 2009 1956
71st Wettest Wettest since: 2007 1941
Ties: 1900, 1916
Feb–Sep 2010
8-Month
10.26"
(260.60mm)
10.52"
(267.21mm)
-0.26"
(-6.61mm)
65th Driest Driest since: 2009 1956
63rd Wettest Wettest since: 2006 1941
Jan–Sep 2010
9-Month
12.12"
(307.85mm)
11.50"
(292.10mm)
0.62"
(15.75mm)
81st Driest Driest since: 2009 1956
47th Wettest Wettest since: 2005 1941
Ties: 1979
Dec 2009–Sep 2010
10-Month
13.35"
(339.09mm)
12.51"
(317.75mm)
0.84"
(21.34mm)
88th Driest Driest since: 2009 1956
39th Wettest Wettest since: 2005 1941
Nov 2009–Sep 2010
11-Month
13.74"
(349.00mm)
13.40"
(340.36mm)
0.34"
(8.64mm)
81st Driest Driest since: 2009 1956
46th Wettest Wettest since: 2005 1941
Oct 2009–Sep 2010
12-Month
14.79"
(375.67mm)
14.53"
(369.06mm)
0.26"
(6.61mm)
71st Driest Driest since: 2009 1956
56th Wettest Wettest since: 2005 1941
Apr 2009–Sep 2010
18-Month
22.41"
(569.21mm)
22.92"
(582.17mm)
-0.51"
(-12.96mm)
63rd Driest Driest since: 2009 2021
64th Wettest Wettest since: 2007 1941
Oct 2008–Sep 2010
24-Month
27.66"
(702.56mm)
29.08"
(738.63mm)
-1.42"
(-36.07mm)
48th Driest Driest since: 2009 1956
78th Wettest Wettest since: 2008 1942
Ties: 2000
Oct 2007–Sep 2010
36-Month
41.37"
(1,050.80mm)
43.57"
(1,106.68mm)
-2.20"
(-55.88mm)
45th Driest Driest since: 2009 1956
80th Wettest Wettest since: 2008 1907
Ties: 1990
Oct 2006–Sep 2010
48-Month
55.78"
(1,416.81mm)
58.05"
(1,474.47mm)
-2.27"
(-57.66mm)
49th Driest Driest since: 2009 1956
75th Wettest Wettest since: 2008 1986
Oct 2005–Sep 2010
60-Month
69.28"
(1,759.71mm)
72.53"
(1,842.26mm)
-3.25"
(-82.55mm)
48th Driest Driest since: 2006 1957
75th Wettest Wettest since: 2009 1986

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published October 2021, retrieved on October 23, 2021 from https://www.ncdc.noaa.gov/cag/