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, June 1947

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
June 1947
1-Month 		1.22"
(30.99mm)		 0.94"
(23.88mm)		 0.28"
(7.11mm)		 104th Driest
Driest since:
 1924, 2012
25th Wettest
Wettest since:
 1903
Ties: 1925, 1988
May–Jun 1947
2-Month 		2.85"
(72.39mm)		 2.05"
(52.07mm)		 0.80"
(20.32mm)		 114th Driest
Driest since:
 2002
15th Wettest
Wettest since:
 2015
Apr–Jun 1947
3-Month 		3.71"
(94.23mm)		 3.11"
(78.99mm)		 0.60"
(15.24mm)		 103rd Driest
Driest since:
 2002
26th Wettest
Wettest since:
 1941
Ties: 1969
Mar–Jun 1947
4-Month 		4.27"
(108.46mm)		 4.26"
(108.20mm)		 0.01"
(0.26mm)		 75th Driest
Driest since:
 2002
54th Wettest
Wettest since:
 1941
Feb–Jun 1947
5-Month 		4.78"
(121.41mm)		 5.26"
(133.60mm)		 -0.48"
(-12.19mm)		 52nd Driest
Driest since:
 2002
77th Wettest
Wettest since:
 1905
Ties: 1943, 1945
Jan–Jun 1947
6-Month 		5.37"
(136.40mm)		 6.25"
(158.75mm)		 -0.88"
(-22.35mm)		 44th Driest
Driest since:
 2002
85th Wettest
Wettest since:
 1905
Dec 1946–Jun 1947
7-Month 		6.10"
(154.94mm)		 7.26"
(184.40mm)		 -1.16"
(-29.46mm)		 37th Driest
Driest since:
 2002
91st Wettest
Wettest since:
 1941
Ties: 2000
Nov 1946–Jun 1947
8-Month 		7.75"
(196.85mm)		 8.15"
(207.01mm)		 -0.40"
(-10.16mm)		 63rd Driest
Driest since:
 2002
65th Wettest
Wettest since:
 1941
Oct 1946–Jun 1947
9-Month 		9.53"
(242.06mm)		 9.28"
(235.71mm)		 0.25"
(6.35mm)		 72nd Driest
Driest since:
 2002
56th Wettest
Wettest since:
 1941
Sep 1946–Jun 1947
10-Month 		10.92"
(277.37mm)		 10.65"
(270.51mm)		 0.27"
(6.86mm)		 77th Driest
Driest since:
 2002
51st Wettest
Wettest since:
 1941
Aug 1946–Jun 1947
11-Month 		13.49"
(342.65mm)		 12.66"
(321.56mm)		 0.83"
(21.09mm)		 90th Driest
Driest since:
 2002
38th Wettest
Wettest since:
 1941
Jul 1946–Jun 1947
12-Month 		15.32"
(389.13mm)		 14.53"
(369.06mm)		 0.79"
(20.07mm)		 85th Driest
Driest since:
 2002
43rd Wettest
Wettest since:
 1941
Ties: 1962
Jan 1946–Jun 1947
18-Month 		19.84"
(503.94mm)		 20.78"
(527.81mm)		 -0.94"
(-23.87mm)		 53rd Driest
Driest since:
 2021
75th Wettest
Wettest since:
 1942
Jul 1945–Jun 1947
24-Month 		27.28"
(692.91mm)		 29.06"
(738.12mm)		 -1.78"
(-45.21mm)		 45th Driest
Driest since:
 2021
82nd Wettest
Wettest since:
 1942
Jul 1944–Jun 1947
36-Month 		39.87"
(1,012.70mm)		 43.54"
(1,105.92mm)		 -3.67"
(-93.22mm)		 32nd Driest
Driest since:
 2022
94th Wettest
Wettest since:
 1907
Jul 1943–Jun 1947
48-Month 		54.19"
(1,376.43mm)		 58.01"
(1,473.45mm)		 -3.82"
(-97.02mm)		 30th Driest
Driest since:
 1956
95th Wettest
Wettest since:
 1986
Jul 1942–Jun 1947
60-Month 		67.59"
(1,716.79mm)		 72.49"
(1,841.25mm)		 -4.90"
(-124.46mm)		 27th Driest
Driest since:
 1957
97th Wettest
Wettest since:
 1987

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