Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Southwest Climate Region

Precipitation Rankings, August 2022

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
August 2022
1-Month		2.67"
(67.82mm)		2.02"
(51.31mm)		0.65"
(16.51mm)		114th Driest
Driest since:
1962
15th Wettest
Wettest since:
1963
Ties: 1929
Jul–Aug 2022
2-Month		4.85"
(123.19mm)		3.89"
(98.81mm)		0.96"
(24.38mm)		115th Driest
Driest since:
2020
14th Wettest
Wettest since:
1921
Jun–Aug 2022
3-Month		6.18"
(156.97mm)		4.83"
(122.68mm)		1.35"
(34.29mm)		121st Driest
Driest since:
2020
8th Wettest
Wettest since:
1921
May–Aug 2022
4-Month		6.76"
(171.70mm)		5.94"
(150.88mm)		0.82"
(20.82mm)		105th Driest
Driest since:
2020
24th Wettest
Wettest since:
1921
Ties: 1987
Apr–Aug 2022
5-Month		7.08"
(179.83mm)		7.00"
(177.80mm)		0.08"
(2.03mm)		78th Driest
Driest since:
2020
51st Wettest
Wettest since:
1999
Ties: 1982
Mar–Aug 2022
6-Month		7.91"
(200.91mm)		8.15"
(207.01mm)		-0.24"
(-6.10mm)		64th Driest
Driest since:
2002
65th Wettest
Wettest since:
1941
Feb–Aug 2022
7-Month		8.43"
(214.12mm)		9.16"
(232.66mm)		-0.73"
(-18.54mm)		43rd Driest
Driest since:
2002
86th Wettest
Wettest since:
1941
Jan–Aug 2022
8-Month		8.87"
(225.30mm)		10.14"
(257.56mm)		-1.27"
(-32.26mm)		34th Driest
Driest since:
2002
95th Wettest
Wettest since:
1941
Dec 2021–Aug 2022
9-Month		10.36"
(263.14mm)		11.15"
(283.21mm)		-0.79"
(-20.07mm)		51st Driest
Driest since:
2002
77th Wettest
Wettest since:
1941
Nov 2021–Aug 2022
10-Month		10.54"
(267.72mm)		12.04"
(305.82mm)		-1.50"
(-38.10mm)		39th Driest
Driest since:
2002
89th Wettest
Wettest since:
1941
Oct 2021–Aug 2022
11-Month		11.62"
(295.15mm)		13.17"
(334.52mm)		-1.55"
(-39.37mm)		38th Driest
Driest since:
2002
90th Wettest
Wettest since:
1941
Ties: 2006
Sep 2021–Aug 2022
12-Month		12.81"
(325.37mm)		14.54"
(369.32mm)		-1.73"
(-43.95mm)		37th Driest
Driest since:
2002
91st Wettest
Wettest since:
1941
Mar 2021–Aug 2022
18-Month		21.24"
(539.50mm)		22.69"
(576.33mm)		-1.45"
(-36.83mm)		50th Driest
Driest since:
2002
78th Wettest
Wettest since:
1942
Sep 2020–Aug 2022
24-Month		24.70"
(627.38mm)		29.09"
(738.89mm)		-4.39"
(-111.51mm)		15th Driest
Driest since:
2003
112th Wettest
Wettest since:
1942
Sep 2019–Aug 2022
36-Month		36.36"
(923.54mm)		43.58"
(1,106.93mm)		-7.22"
(-183.39mm)		9th Driest
Driest since:
1956
117th Wettest
Wettest since:
1907
Sep 2018–Aug 2022
48-Month		52.01"
(1,321.05mm)		58.05"
(1,474.47mm)		-6.04"
(-153.42mm)		18th Driest
Driest since:
1956
107th Wettest
Wettest since:
1986
Sep 2017–Aug 2022
60-Month		62.59"
(1,589.79mm)		72.53"
(1,842.26mm)		-9.94"
(-252.47mm)		7th Driest
Driest since:
2004
117th Wettest
Wettest since:
1987

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