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, May 1965

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
May 1965
1-Month		1.35"
(34.29mm)		1.11"
(28.19mm)		0.24"
(6.10mm)		97th Driest
Driest since:
1974
32nd Wettest
Wettest since:
2015
Apr–May 1965
2-Month		2.77"
(70.36mm)		2.17"
(55.12mm)		0.60"
(15.24mm)		107th Driest
Driest since:
2002
22nd Wettest
Wettest since:
1941
Mar–May 1965
3-Month		3.81"
(96.77mm)		3.33"
(84.58mm)		0.48"
(12.19mm)		99th Driest
Driest since:
2002
30th Wettest
Wettest since:
1941
Feb–May 1965
4-Month		4.74"
(120.40mm)		4.33"
(109.98mm)		0.41"
(10.42mm)		91st Driest
Driest since:
2002
38th Wettest
Wettest since:
1905
Jan–May 1965
5-Month		5.82"
(147.83mm)		5.31"
(134.87mm)		0.51"
(12.96mm)		92nd Driest
Driest since:
1972
37th Wettest
Wettest since:
1905
Dec 1964–May 1965
6-Month		7.14"
(181.36mm)		6.32"
(160.53mm)		0.82"
(20.83mm)		96th Driest
Driest since:
2002
32nd Wettest
Wettest since:
1905
Nov 1964–May 1965
7-Month		8.20"
(208.28mm)		7.21"
(183.13mm)		0.99"
(25.15mm)		99th Driest
Driest since:
2002
29th Wettest
Wettest since:
1941
Ties: 1897, 1919
Oct 1964–May 1965
8-Month		8.39"
(213.11mm)		8.34"
(211.84mm)		0.05"
(1.27mm)		73rd Driest
Driest since:
2002
55th Wettest
Wettest since:
1941
Sep 1964–May 1965
9-Month		9.88"
(250.95mm)		9.71"
(246.63mm)		0.17"
(4.32mm)		75th Driest
Driest since:
2002
53rd Wettest
Wettest since:
1941
Ties: 1935
Aug 1964–May 1965
10-Month		11.64"
(295.66mm)		11.72"
(297.69mm)		-0.08"
(-2.03mm)		67th Driest
Driest since:
2002
61st Wettest
Wettest since:
1941
Jul 1964–May 1965
11-Month		13.21"
(335.53mm)		13.59"
(345.19mm)		-0.38"
(-9.66mm)		65th Driest
Driest since:
2021
63rd Wettest
Wettest since:
1941
Ties: 2011
Jun 1964–May 1965
12-Month		13.94"
(354.08mm)		14.53"
(369.06mm)		-0.59"
(-14.98mm)		61st Driest
Driest since:
2021
67th Wettest
Wettest since:
1905
Dec 1963–May 1965
18-Month		18.38"
(466.85mm)		20.86"
(529.84mm)		-2.48"
(-62.99mm)		29th Driest
Driest since:
2021
98th Wettest
Wettest since:
1942
Jun 1963–May 1965
24-Month		27.02"
(686.31mm)		29.05"
(737.87mm)		-2.03"
(-51.56mm)		39th Driest
Driest since:
2021
88th Wettest
Wettest since:
1942
Jun 1962–May 1965
36-Month		38.34"
(973.84mm)		43.54"
(1,105.92mm)		-5.20"
(-132.08mm)		18th Driest
Driest since:
2022
108th Wettest
Wettest since:
1907
Jun 1961–May 1965
48-Month		53.43"
(1,357.12mm)		58.01"
(1,473.45mm)		-4.58"
(-116.33mm)		27th Driest
Driest since:
1904
98th Wettest
Wettest since:
1986
Jun 1960–May 1965
60-Month		65.85"
(1,672.59mm)		72.48"
(1,840.99mm)		-6.63"
(-168.40mm)		18th Driest
Driest since:
1957
106th Wettest
Wettest since:
1987
Ties: 1953

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