Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. 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 1986

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
August 1986
1-Month 		2.26"
(57.40mm)		 2.02"
(51.31mm)		 0.24"
(6.09mm)		 85th Driest
Driest since:
 1962
44th Wettest
Wettest since:
 1963
Jul–Aug 1986
2-Month 		4.37"
(111.00mm)		 3.89"
(98.81mm)		 0.48"
(12.19mm)		 88th Driest
Driest since:
 2020
41st Wettest
Wettest since:
 1921
Jun–Aug 1986
3-Month 		5.99"
(152.15mm)		 4.83"
(122.68mm)		 1.16"
(29.47mm)		 118th Driest
Driest since:
 2020
11th Wettest
Wettest since:
 1921
May–Aug 1986
4-Month 		7.10"
(180.34mm)		 5.94"
(150.88mm)		 1.16"
(29.46mm)		 114th Driest
Driest since:
 2020
15th Wettest
Wettest since:
 1921
Apr–Aug 1986
5-Month 		8.37"
(212.60mm)		 7.00"
(177.80mm)		 1.37"
(34.80mm)		 115th Driest
Driest since:
 2020
14th Wettest
Wettest since:
 1999
Mar–Aug 1986
6-Month 		9.55"
(242.57mm)		 8.15"
(207.01mm)		 1.40"
(35.56mm)		 113th Driest
Driest since:
 2002
16th Wettest
Wettest since:
 1941
Feb–Aug 1986
7-Month 		10.96"
(278.38mm)		 9.16"
(232.66mm)		 1.80"
(45.72mm)		 118th Driest
Driest since:
 2002
11th Wettest
Wettest since:
 1941
Jan–Aug 1986
8-Month 		11.25"
(285.75mm)		 10.14"
(257.56mm)		 1.11"
(28.19mm)		 104th Driest
Driest since:
 2002
25th Wettest
Wettest since:
 1941
Ties: 1897, 1920, 2017
Dec 1985–Aug 1986
9-Month 		11.79"
(299.47mm)		 11.15"
(283.21mm)		 0.64"
(16.26mm)		 84th Driest
Driest since:
 2002
44th Wettest
Wettest since:
 1941
Nov 1985–Aug 1986
10-Month 		13.62"
(345.95mm)		 12.04"
(305.82mm)		 1.58"
(40.13mm)		 105th Driest
Driest since:
 2002
23rd Wettest
Wettest since:
 1941
Oct 1985–Aug 1986
11-Month 		15.60"
(396.24mm)		 13.17"
(334.52mm)		 2.43"
(61.72mm)		 112th Driest
Driest since:
 2002
16th Wettest
Wettest since:
 1941
Sep 1985–Aug 1986
12-Month 		17.75"
(450.85mm)		 14.54"
(369.32mm)		 3.21"
(81.53mm)		 116th Driest
Driest since:
 2002
12th Wettest
Wettest since:
 1941
Mar 1985–Aug 1986
18-Month 		26.15"
(664.21mm)		 22.69"
(576.33mm)		 3.46"
(87.88mm)		 112th Driest
Driest since:
 2002
16th Wettest
Wettest since:
 1942
Sep 1984–Aug 1986
24-Month 		34.53"
(877.06mm)		 29.09"
(738.89mm)		 5.44"
(138.17mm)		 117th Driest
Driest since:
 2003
10th Wettest
Wettest since:
 1942
Sep 1983–Aug 1986
36-Month 		52.31"
(1,328.67mm)		 43.58"
(1,106.93mm)		 8.73"
(221.74mm)		 121st Driest
Driest since:
 1956
5th Wettest
Wettest since:
 1907
Sep 1982–Aug 1986
48-Month 		70.37"
(1,787.40mm)		 58.05"
(1,474.47mm)		 12.32"
(312.93mm)		 124th Driest
Driest since:
 1956
1st Wettest
Wettest to Date
 1986
Sep 1981–Aug 1986
60-Month 		85.72"
(2,177.29mm)		 72.53"
(1,842.26mm)		 13.19"
(335.03mm)		 122nd Driest
Driest since:
 2004
2nd Wettest
Wettest to Date
 1987

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