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 1993

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
May 1993
1-Month		1.19"
(30.23mm)		1.11"
(28.19mm)		0.08"
(2.04mm)		81st Driest
Driest since:
1974
48th Wettest
Wettest since:
2015
Apr–May 1993
2-Month		1.89"
(48.01mm)		2.17"
(55.12mm)		-0.28"
(-7.11mm)		50th Driest
Driest since:
2002
79th Wettest
Wettest since:
1941
Mar–May 1993
3-Month		3.13"
(79.50mm)		3.33"
(84.58mm)		-0.20"
(-5.08mm)		66th Driest
Driest since:
2002
63rd Wettest
Wettest since:
1941
Feb–May 1993
4-Month		5.22"
(132.59mm)		4.33"
(109.98mm)		0.89"
(22.61mm)		106th Driest
Driest since:
2002
23rd Wettest
Wettest since:
1905
Jan–May 1993
5-Month		8.09"
(205.49mm)		5.31"
(134.87mm)		2.78"
(70.62mm)		125th Driest
Driest since:
1972
4th Wettest
Wettest since:
1905
Dec 1992–May 1993
6-Month		9.94"
(252.48mm)		6.32"
(160.53mm)		3.62"
(91.95mm)		125th Driest
Driest since:
2002
3rd Wettest
Wettest since:
1905
Nov 1992–May 1993
7-Month		10.71"
(272.03mm)		7.21"
(183.13mm)		3.50"
(88.90mm)		124th Driest
Driest since:
2002
4th Wettest
Wettest since:
1941
Oct 1992–May 1993
8-Month		11.66"
(296.16mm)		8.34"
(211.84mm)		3.32"
(84.32mm)		120th Driest
Driest since:
2002
8th Wettest
Wettest since:
1941
Sep 1992–May 1993
9-Month		12.32"
(312.93mm)		9.71"
(246.63mm)		2.61"
(66.30mm)		112th Driest
Driest since:
2002
16th Wettest
Wettest since:
1941
Aug 1992–May 1993
10-Month		14.84"
(376.94mm)		11.72"
(297.69mm)		3.12"
(79.25mm)		118th Driest
Driest since:
2002
10th Wettest
Wettest since:
1941
Jul 1992–May 1993
11-Month		16.80"
(426.72mm)		13.59"
(345.19mm)		3.21"
(81.53mm)		115th Driest
Driest since:
2021
13th Wettest
Wettest since:
1941
Jun 1992–May 1993
12-Month		17.88"
(454.15mm)		14.53"
(369.06mm)		3.35"
(85.09mm)		116th Driest
Driest since:
2021
12th Wettest
Wettest since:
1905
Dec 1991–May 1993
18-Month		26.19"
(665.23mm)		20.86"
(529.84mm)		5.33"
(135.39mm)		123rd Driest
Driest since:
2021
4th Wettest
Wettest since:
1942
Jun 1991–May 1993
24-Month		35.87"
(911.10mm)		29.05"
(737.87mm)		6.82"
(173.23mm)		124th Driest
Driest since:
2021
3rd Wettest
Wettest since:
1942
Jun 1990–May 1993
36-Month		51.14"
(1,298.96mm)		43.54"
(1,105.92mm)		7.60"
(193.04mm)		119th Driest
Driest since:
2022
7th Wettest
Wettest since:
1907
Jun 1989–May 1993
48-Month		63.35"
(1,609.09mm)		58.01"
(1,473.45mm)		5.34"
(135.64mm)		108th Driest
Driest since:
1904
17th Wettest
Wettest since:
1986
Jun 1988–May 1993
60-Month		76.25"
(1,936.75mm)		72.48"
(1,840.99mm)		3.77"
(95.76mm)		92nd Driest
Driest since:
1957
32nd Wettest
Wettest since:
1987

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