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 December 2021. For more information, please see Climatological Rankings.


Southwest Climate Region

Precipitation Rankings, September 2018

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2018
1-Month
0.92"
(23.37mm)
1.36"
(34.54mm)
-0.44"
(-11.17mm)
32nd Driest Driest since: 2010 1953, 1956
96th Wettest Wettest since: 2017 2013
Ties: 1899, 1943, 2008
Aug–Sep 2018
2-Month
2.57"
(65.28mm)
3.38"
(85.85mm)
-0.81"
(-20.57mm)
20th Driest Driest since: 2009 2020
108th Wettest Wettest since: 2017 2013
Jul–Sep 2018
3-Month
4.66"
(118.36mm)
5.25"
(133.35mm)
-0.59"
(-14.99mm)
38th Driest Driest since: 2009 2020
90th Wettest Wettest since: 2017 2013
Jun–Sep 2018
4-Month
5.25"
(133.35mm)
6.19"
(157.23mm)
-0.94"
(-23.88mm)
29th Driest Driest since: 2012 2020
99th Wettest Wettest since: 2017 1927
Ties: 1942
May–Sep 2018
5-Month
6.03"
(153.16mm)
7.30"
(185.42mm)
-1.27"
(-32.26mm)
22nd Driest Driest since: 2012 2020
106th Wettest Wettest since: 2017 1941
Apr–Sep 2018
6-Month
6.59"
(167.39mm)
8.36"
(212.34mm)
-1.77"
(-44.95mm)
14th Driest Driest since: 2012 2020
114th Wettest Wettest since: 2017 1941
Mar–Sep 2018
7-Month
7.26"
(184.40mm)
9.51"
(241.55mm)
-2.25"
(-57.15mm)
10th Driest Driest since: 2012 1956
118th Wettest Wettest since: 2017 1941
Feb–Sep 2018
8-Month
8.20"
(208.28mm)
10.52"
(267.21mm)
-2.32"
(-58.93mm)
12th Driest Driest since: 2012 1956
116th Wettest Wettest since: 2017 1941
Jan–Sep 2018
9-Month
8.76"
(222.50mm)
11.50"
(292.10mm)
-2.74"
(-69.60mm)
10th Driest Driest since: 2012 1956
118th Wettest Wettest since: 2017 1941
Dec 2017–Sep 2018
10-Month
9.00"
(228.60mm)
12.51"
(317.75mm)
-3.51"
(-89.15mm)
5th Driest Driest since: 2002 1956
122nd Wettest Wettest since: 2017 1941
Nov 2017–Sep 2018
11-Month
9.27"
(235.46mm)
13.40"
(340.36mm)
-4.13"
(-104.90mm)
3rd Driest Driest since: 2002 1956
124th Wettest Wettest since: 2017 1941
Oct 2017–Sep 2018
12-Month
9.85"
(250.19mm)
14.53"
(369.06mm)
-4.68"
(-118.87mm)
3rd Driest Driest since: 2002 1956
124th Wettest Wettest since: 2017 1941
Apr 2017–Sep 2018
18-Month
18.68"
(474.47mm)
22.92"
(582.17mm)
-4.24"
(-107.70mm)
9th Driest Driest since: 2003 2021
118th Wettest Wettest since: 2017 1941
Oct 2016–Sep 2018
24-Month
25.96"
(659.38mm)
29.08"
(738.63mm)
-3.12"
(-79.25mm)
26th Driest Driest since: 2013 1956
100th Wettest Wettest since: 2017 1942
Oct 2015–Sep 2018
36-Month
41.06"
(1,042.92mm)
43.57"
(1,106.68mm)
-2.51"
(-63.76mm)
39th Driest Driest since: 2014 1956
86th Wettest Wettest since: 2017 1907
Oct 2014–Sep 2018
48-Month
57.05"
(1,449.07mm)
58.05"
(1,474.47mm)
-1.00"
(-25.40mm)
63rd Driest Driest since: 2015 1956
61st Wettest Wettest since: 2017 1986
Oct 2013–Sep 2018
60-Month
71.29"
(1,810.77mm)
72.53"
(1,842.26mm)
-1.24"
(-31.49mm)
60th Driest Driest since: 2016 1957
63rd Wettest Wettest since: 2017 1986
Ties: 1970

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published January 2022, retrieved on January 23, 2022 from https://www.ncdc.noaa.gov/cag/