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 April 2022. For more information, please see Climatological Rankings.


Southwest Climate Region

Precipitation Rankings, September 2015

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 2015
1-Month
1.05"
(26.67mm)
1.36"
(34.54mm)
-0.31"
(-7.87mm)
42nd Driest Driest since: 2010 1953, 1956
86th Wettest Wettest since: 2014 2013
Ties: 2003
Aug–Sep 2015
2-Month
2.87"
(72.90mm)
3.38"
(85.85mm)
-0.51"
(-12.95mm)
37th Driest Driest since: 2012 2020
91st Wettest Wettest since: 2014 2013
Ties: 1917, 1989
Jul–Sep 2015
3-Month
5.32"
(135.13mm)
5.25"
(133.35mm)
0.07"
(1.78mm)
72nd Driest Driest since: 2012 2020
56th Wettest Wettest since: 2014 2013
Ties: 1972
Jun–Sep 2015
4-Month
6.65"
(168.91mm)
6.19"
(157.23mm)
0.46"
(11.68mm)
92nd Driest Driest since: 2012 2020
36th Wettest Wettest since: 2014 1927
May–Sep 2015
5-Month
9.58"
(243.33mm)
7.30"
(185.42mm)
2.28"
(57.91mm)
124th Driest Driest since: 2014 2020
4th Wettest Wettest since: 1999 1941
Apr–Sep 2015
6-Month
10.56"
(268.22mm)
8.36"
(212.34mm)
2.20"
(55.88mm)
121st Driest Driest since: 2014 2020
7th Wettest Wettest since: 1999 1941
Mar–Sep 2015
7-Month
11.45"
(290.83mm)
9.51"
(241.55mm)
1.94"
(49.28mm)
119th Driest Driest since: 2014 1956
9th Wettest Wettest since: 1999 1941
Feb–Sep 2015
8-Month
12.29"
(312.17mm)
10.51"
(266.95mm)
1.78"
(45.22mm)
116th Driest Driest since: 2014 1956
12th Wettest Wettest since: 1999 1941
Jan–Sep 2015
9-Month
13.52"
(343.41mm)
11.50"
(292.10mm)
2.02"
(51.31mm)
114th Driest Driest since: 2014 1956
14th Wettest Wettest since: 1999 1941
Dec 2014–Sep 2015
10-Month
14.70"
(373.38mm)
12.51"
(317.75mm)
2.19"
(55.63mm)
116th Driest Driest since: 2014 1956
11th Wettest Wettest since: 1997 1941
Nov 2014–Sep 2015
11-Month
15.33"
(389.38mm)
13.40"
(340.36mm)
1.93"
(49.02mm)
105th Driest Driest since: 2014 1956
22nd Wettest Wettest since: 2005 1941
Oct 2014–Sep 2015
12-Month
15.99"
(406.15mm)
14.53"
(369.06mm)
1.46"
(37.09mm)
95th Driest Driest since: 2014 1956
32nd Wettest Wettest since: 2005 1941
Ties: 1949
Apr 2014–Sep 2015
18-Month
25.74"
(653.80mm)
22.92"
(582.17mm)
2.82"
(71.63mm)
107th Driest Driest since: 2014 2021
20th Wettest Wettest since: 2005 1941
Oct 2013–Sep 2015
24-Month
30.23"
(767.84mm)
29.08"
(738.63mm)
1.15"
(29.21mm)
89th Driest Driest since: 2014 1956
37th Wettest Wettest since: 2006 1942
Oct 2012–Sep 2015
36-Month
44.14"
(1,121.16mm)
43.57"
(1,106.68mm)
0.57"
(14.48mm)
76th Driest Driest since: 2014 1956
49th Wettest Wettest since: 2007 1907
Oct 2011–Sep 2015
48-Month
55.43"
(1,407.92mm)
58.05"
(1,474.47mm)
-2.62"
(-66.55mm)
45th Driest Driest since: 2014 1956
79th Wettest Wettest since: 2010 1986
Oct 2010–Sep 2015
60-Month
68.58"
(1,741.93mm)
72.53"
(1,842.26mm)
-3.95"
(-100.33mm)
40th Driest Driest since: 2014 1957
83rd Wettest Wettest since: 2011 1986

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published May 2022, retrieved on May 26, 2022 from https://www.ncdc.noaa.gov/cag/