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 2011

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2011
1-Month
1.33"
(33.78mm)
1.36"
(34.54mm)
-0.03"
(-0.76mm)
62nd Driest Driest since: 2010 1953, 1956
66th Wettest Wettest since: 2007 2013
Aug–Sep 2011
2-Month
2.79"
(70.87mm)
3.38"
(85.85mm)
-0.59"
(-14.98mm)
31st Driest Driest since: 2009 2020
97th Wettest Wettest since: 2010 2013
Jul–Sep 2011
3-Month
4.72"
(119.89mm)
5.25"
(133.35mm)
-0.53"
(-13.46mm)
41st Driest Driest since: 2009 2020
87th Wettest Wettest since: 2010 2013
Ties: 1917, 1937
Jun–Sep 2011
4-Month
5.11"
(129.79mm)
6.19"
(157.23mm)
-1.08"
(-27.44mm)
26th Driest Driest since: 2003 2020
102nd Wettest Wettest since: 2010 1927
May–Sep 2011
5-Month
6.43"
(163.32mm)
7.30"
(185.42mm)
-0.87"
(-22.10mm)
32nd Driest Driest since: 2003 2020
96th Wettest Wettest since: 2010 1941
Apr–Sep 2011
6-Month
7.53"
(191.26mm)
8.36"
(212.34mm)
-0.83"
(-21.08mm)
35th Driest Driest since: 2003 2020
93rd Wettest Wettest since: 2010 1941
Mar–Sep 2011
7-Month
8.20"
(208.28mm)
9.51"
(241.55mm)
-1.31"
(-33.27mm)
25th Driest Driest since: 2008 1956
103rd Wettest Wettest since: 2010 1941
Feb–Sep 2011
8-Month
9.11"
(231.39mm)
10.51"
(266.95mm)
-1.40"
(-35.56mm)
24th Driest Driest since: 2009 1956
104th Wettest Wettest since: 2010 1941
Jan–Sep 2011
9-Month
9.40"
(238.76mm)
11.50"
(292.10mm)
-2.10"
(-53.34mm)
19th Driest Driest since: 2003 1956
109th Wettest Wettest since: 2010 1941
Dec 2010–Sep 2011
10-Month
11.11"
(282.19mm)
12.51"
(317.75mm)
-1.40"
(-35.56mm)
35th Driest Driest since: 2003 1956
92nd Wettest Wettest since: 2010 1941
Ties: 1976
Nov 2010–Sep 2011
11-Month
11.70"
(297.18mm)
13.40"
(340.36mm)
-1.70"
(-43.18mm)
33rd Driest Driest since: 2003 1956
94th Wettest Wettest since: 2010 1941
Oct 2010–Sep 2011
12-Month
13.15"
(334.01mm)
14.53"
(369.06mm)
-1.38"
(-35.05mm)
44th Driest Driest since: 2009 1956
83rd Wettest Wettest since: 2010 1941
Apr 2010–Sep 2011
18-Month
20.92"
(531.37mm)
22.92"
(582.17mm)
-2.00"
(-50.80mm)
41st Driest Driest since: 2009 2021
86th Wettest Wettest since: 2010 1941
Ties: 1972
Oct 2009–Sep 2011
24-Month
27.94"
(709.68mm)
29.08"
(738.63mm)
-1.14"
(-28.95mm)
53rd Driest Driest since: 2010 1956
73rd Wettest Wettest since: 2008 1942
Oct 2008–Sep 2011
36-Month
40.81"
(1,036.57mm)
43.57"
(1,106.68mm)
-2.76"
(-70.11mm)
35th Driest Driest since: 2004 1956
90th Wettest Wettest since: 2010 1907
Oct 2007–Sep 2011
48-Month
54.52"
(1,384.81mm)
58.05"
(1,474.47mm)
-3.53"
(-89.66mm)
38th Driest Driest since: 2009 1956
86th Wettest Wettest since: 2010 1986
Oct 2006–Sep 2011
60-Month
68.93"
(1,750.82mm)
72.53"
(1,842.26mm)
-3.60"
(-91.44mm)
44th Driest Driest since: 2006 1957
79th Wettest Wettest since: 2010 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/