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 2017

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 2017
1-Month
1.88"
(47.75mm)
2.02"
(51.31mm)
-0.14"
(-3.56mm)
55th Driest Driest since: 2015 1962
73rd Wettest Wettest since: 2016 1963
Jul–Aug 2017
2-Month
4.45"
(113.03mm)
3.89"
(98.81mm)
0.56"
(14.22mm)
97th Driest Driest since: 2016 2020
31st Wettest Wettest since: 2014 1921
Jun–Aug 2017
3-Month
4.94"
(125.48mm)
4.83"
(122.68mm)
0.11"
(2.80mm)
71st Driest Driest since: 2016 2020
57th Wettest Wettest since: 2015 1921
May–Aug 2017
4-Month
6.08"
(154.43mm)
5.94"
(150.88mm)
0.14"
(3.55mm)
75th Driest Driest since: 2016 2020
53rd Wettest Wettest since: 2015 1921
Apr–Aug 2017
5-Month
7.18"
(182.37mm)
7.00"
(177.80mm)
0.18"
(4.57mm)
83rd Driest Driest since: 2016 2020
45th Wettest Wettest since: 2015 1999
Ties: 1909
Mar–Aug 2017
6-Month
8.03"
(203.96mm)
8.15"
(207.01mm)
-0.12"
(-3.05mm)
67th Driest Driest since: 2016 2002
61st Wettest Wettest since: 2015 1941
Feb–Aug 2017
7-Month
9.09"
(230.89mm)
9.16"
(232.66mm)
-0.07"
(-1.77mm)
70th Driest Driest since: 2016 2002
58th Wettest Wettest since: 2015 1941
Ties: 1945
Jan–Aug 2017
8-Month
11.25"
(285.75mm)
10.14"
(257.56mm)
1.11"
(28.19mm)
103rd Driest Driest since: 2016 2002
25th Wettest Wettest since: 2015 1941
Ties: 1897, 1920, 1986
Dec 2016–Aug 2017
9-Month
12.93"
(328.42mm)
11.15"
(283.21mm)
1.78"
(45.21mm)
107th Driest Driest since: 2016 2002
20th Wettest Wettest since: 2015 1941
Nov 2016–Aug 2017
10-Month
13.98"
(355.09mm)
12.04"
(305.82mm)
1.94"
(49.27mm)
110th Driest Driest since: 2016 2002
17th Wettest Wettest since: 2015 1941
Oct 2016–Aug 2017
11-Month
14.46"
(367.28mm)
13.17"
(334.52mm)
1.29"
(32.76mm)
91st Driest Driest since: 2016 2002
36th Wettest Wettest since: 2015 1941
Sep 2016–Aug 2017
12-Month
16.00"
(406.40mm)
14.54"
(369.32mm)
1.46"
(37.08mm)
95th Driest Driest since: 2016 2002
32nd Wettest Wettest since: 2015 1941
Mar 2016–Aug 2017
18-Month
23.70"
(601.98mm)
22.69"
(576.33mm)
1.01"
(25.65mm)
84th Driest Driest since: 2014 2002
43rd Wettest Wettest since: 2016 1942
Sep 2015–Aug 2017
24-Month
30.61"
(777.49mm)
29.09"
(738.89mm)
1.52"
(38.60mm)
94th Driest Driest since: 2014 2003
32nd Wettest Wettest since: 2016 1942
Sep 2014–Aug 2017
36-Month
48.16"
(1,223.26mm)
43.58"
(1,106.93mm)
4.58"
(116.33mm)
110th Driest Driest since: 2016 1956
15th Wettest Wettest since: 1999 1907
Sep 2013–Aug 2017
48-Month
63.00"
(1,600.20mm)
58.05"
(1,474.47mm)
4.95"
(125.73mm)
104th Driest Driest since: 2016 1956
20th Wettest Wettest since: 1998 1986
Sep 2012–Aug 2017
60-Month
74.89"
(1,902.21mm)
72.53"
(1,842.26mm)
2.36"
(59.95mm)
86th Driest Driest since: 2016 2004
37th Wettest Wettest since: 2001 1987

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published November 2021, retrieved on November 30, 2021 from https://www.ncdc.noaa.gov/cag/