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 1898

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
May 1898
1-Month		1.84"
(46.74mm)		1.11"
(28.19mm)		0.73"
(18.55mm)		119th Driest
Driest since:
1974
10th Wettest
Wettest to Date
2015
Apr–May 1898
2-Month		2.86"
(72.64mm)		2.17"
(55.12mm)		0.69"
(17.52mm)		112th Driest
Driest since:
2002
17th Wettest
Wettest to Date
1941
Mar–May 1898
3-Month		3.71"
(94.23mm)		3.33"
(84.58mm)		0.38"
(9.65mm)		95th Driest
Driest since:
2002
34th Wettest
Wettest since:
1941
Ties: 1907
Feb–May 1898
4-Month		4.04"
(102.62mm)		4.33"
(109.98mm)		-0.29"
(-7.36mm)		61st Driest
Driest since:
2002
68th Wettest
Wettest since:
1905
Ties: 1991
Jan–May 1898
5-Month		5.20"
(132.08mm)		5.31"
(134.87mm)		-0.11"
(-2.79mm)		67th Driest
Driest since:
1972
62nd Wettest
Wettest since:
1905
Ties: 1994
Dec 1897–May 1898
6-Month		6.16"
(156.46mm)		6.32"
(160.53mm)		-0.16"
(-4.07mm)		75th Driest
Driest since:
2002
53rd Wettest
Wettest since:
1905
Ties: 1940
Nov 1897–May 1898
7-Month		6.56"
(166.62mm)		7.21"
(183.13mm)		-0.65"
(-16.51mm)		51st Driest
Driest since:
2002
77th Wettest
Wettest since:
1941
Oct 1897–May 1898
8-Month		8.36"
(212.34mm)		8.34"
(211.84mm)		0.02"
(0.50mm)		72nd Driest
Driest since:
2002
56th Wettest
Wettest since:
1941
Sep 1897–May 1898
9-Month		10.62"
(269.75mm)		9.71"
(246.63mm)		0.91"
(23.12mm)		92nd Driest
Driest since:
2002
36th Wettest
Wettest since:
1941
Aug 1897–May 1898
10-Month		12.37"
(314.20mm)		11.72"
(297.69mm)		0.65"
(16.51mm)		85th Driest
Driest since:
2002
43rd Wettest
Wettest since:
1941
Jul 1897–May 1898
11-Month		13.99"
(355.35mm)		13.59"
(345.19mm)		0.40"
(10.16mm)		75th Driest
Driest since:
2021
53rd Wettest
Wettest since:
1941
Jun 1897–May 1898
12-Month		14.88"
(377.95mm)		14.53"
(369.06mm)		0.35"
(8.89mm)		78th Driest
Driest since:
2021
50th Wettest
Wettest since:
1905
Ties: 1930
Dec 1896–May 1898
18-Month		22.45"
(570.23mm)		20.86"
(529.84mm)		1.59"
(40.39mm)		96th Driest
Driest since:
2021
31st Wettest
Wettest to Date
1942
Jun 1896–May 1898
24-Month		31.93"
(811.02mm)		29.05"
(737.87mm)		2.88"
(73.15mm)		105th Driest
Driest since:
2021
22nd Wettest
Wettest to Date
1942
Jun 1895–May 1898
36-Month		44.39"
(1,127.51mm)		43.54"
(1,105.92mm)		0.85"
(21.59mm)		83rd Driest
Driest to Date
2022
43rd Wettest
Wettest to Date
1907

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