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


Southwest Climate Region

Precipitation Rankings, August 2018

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
August 2018
1-Month
1.65"
(41.91mm)
2.02"
(51.31mm)
-0.37"
(-9.40mm)
35th Driest Driest since: 2012 1962
93rd Wettest Wettest since: 2017 1963
Ties: 2003
Jul–Aug 2018
2-Month
3.74"
(95.00mm)
3.89"
(98.81mm)
-0.15"
(-3.81mm)
58th Driest Driest since: 2016 2020
70th Wettest Wettest since: 2017 1921
Jun–Aug 2018
3-Month
4.33"
(109.98mm)
4.83"
(122.68mm)
-0.50"
(-12.70mm)
44th Driest Driest since: 2012 2020
84th Wettest Wettest since: 2017 1921
May–Aug 2018
4-Month
5.11"
(129.79mm)
5.94"
(150.88mm)
-0.83"
(-21.09mm)
32nd Driest Driest since: 2012 2020
96th Wettest Wettest since: 2017 1921
Apr–Aug 2018
5-Month
5.67"
(144.02mm)
7.00"
(177.80mm)
-1.33"
(-33.78mm)
17th Driest Driest since: 2012 2020
111th Wettest Wettest since: 2017 1999
Mar–Aug 2018
6-Month
6.34"
(161.04mm)
8.15"
(207.01mm)
-1.81"
(-45.97mm)
15th Driest Driest since: 2012 2002
113th Wettest Wettest since: 2017 1941
Feb–Aug 2018
7-Month
7.28"
(184.91mm)
9.16"
(232.66mm)
-1.88"
(-47.75mm)
16th Driest Driest since: 2012 2002
112th Wettest Wettest since: 2017 1941
Jan–Aug 2018
8-Month
7.84"
(199.14mm)
10.14"
(257.56mm)
-2.30"
(-58.42mm)
12th Driest Driest since: 2012 2002
116th Wettest Wettest since: 2017 1941
Dec 2017–Aug 2018
9-Month
8.08"
(205.23mm)
11.15"
(283.21mm)
-3.07"
(-77.98mm)
6th Driest Driest since: 2002 2002
121st Wettest Wettest since: 2017 1941
Nov 2017–Aug 2018
10-Month
8.35"
(212.09mm)
12.04"
(305.82mm)
-3.69"
(-93.73mm)
3rd Driest Driest since: 2002 2002
124th Wettest Wettest since: 2017 1941
Oct 2017–Aug 2018
11-Month
8.93"
(226.82mm)
13.17"
(334.52mm)
-4.24"
(-107.70mm)
3rd Driest Driest since: 2002 2002
124th Wettest Wettest since: 2017 1941
Sep 2017–Aug 2018
12-Month
10.58"
(268.73mm)
14.54"
(369.32mm)
-3.96"
(-100.59mm)
5th Driest Driest since: 2002 2002
122nd Wettest Wettest since: 2017 1941
Mar 2017–Aug 2018
18-Month
18.61"
(472.69mm)
22.69"
(576.33mm)
-4.08"
(-103.64mm)
12th Driest Driest since: 2013 2002
115th Wettest Wettest since: 2017 1942
Sep 2016–Aug 2018
24-Month
26.58"
(675.13mm)
29.09"
(738.89mm)
-2.51"
(-63.76mm)
31st Driest Driest since: 2013 2003
95th Wettest Wettest since: 2017 1942
Sep 2015–Aug 2018
36-Month
41.19"
(1,046.23mm)
43.58"
(1,106.93mm)
-2.39"
(-60.70mm)
46th Driest Driest since: 2014 1956
79th Wettest Wettest since: 2017 1907
Sep 2014–Aug 2018
48-Month
58.74"
(1,492.00mm)
58.05"
(1,474.47mm)
0.69"
(17.53mm)
77th Driest Driest since: 2015 1956
47th Wettest Wettest since: 2017 1986
Sep 2013–Aug 2018
60-Month
73.58"
(1,868.93mm)
72.53"
(1,842.26mm)
1.05"
(26.67mm)
73rd Driest Driest since: 2016 2004
50th Wettest Wettest since: 2017 1987

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2021, retrieved on December 3, 2021 from https://www.ncdc.noaa.gov/cag/