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 1896

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
May 1896
1-Month
0.57"
(14.48mm)
1.11"
(28.19mm)
-0.54"
(-13.71mm)
17th Driest
Driest to Date
1974
112th Wettest
Wettest since:
2015
Ties: 1950
Apr–May 1896
2-Month
1.24"
(31.50mm)
2.17"
(55.12mm)
-0.93"
(-23.62mm)
16th Driest
Driest to Date
2002
113th Wettest
Wettest since:
1941
Mar–May 1896
3-Month
2.08"
(52.83mm)
3.33"
(84.58mm)
-1.25"
(-31.75mm)
18th Driest
Driest to Date
2002
111th Wettest
Wettest since:
1941
Feb–May 1896
4-Month
2.57"
(65.28mm)
4.33"
(109.98mm)
-1.76"
(-44.70mm)
10th Driest
Driest to Date
2002
119th Wettest
Wettest since:
1905
Jan–May 1896
5-Month
3.25"
(82.55mm)
5.31"
(134.87mm)
-2.06"
(-52.32mm)
7th Driest
Driest to Date
1972
122nd Wettest
Wettest since:
1905
Dec 1895–May 1896
6-Month
3.88"
(98.55mm)
6.32"
(160.53mm)
-2.44"
(-61.98mm)
5th Driest
Driest to Date
2002
123rd Wettest
Wettest to Date
1905
Nov 1895–May 1896
7-Month
5.49"
(139.45mm)
7.21"
(183.13mm)
-1.72"
(-43.68mm)
29th Driest
Driest to Date
2002
99th Wettest
Wettest to Date
1941
Oct 1895–May 1896
8-Month
6.51"
(165.35mm)
8.34"
(211.84mm)
-1.83"
(-46.49mm)
32nd Driest
Driest to Date
2002
96th Wettest
Wettest to Date
1941
Sep 1895–May 1896
9-Month
7.21"
(183.13mm)
9.71"
(246.63mm)
-2.50"
(-63.50mm)
17th Driest
Driest to Date
2002
111th Wettest
Wettest to Date
1941
Aug 1895–May 1896
10-Month
9.21"
(233.93mm)
11.72"
(297.69mm)
-2.51"
(-63.76mm)
22nd Driest
Driest to Date
2002
106th Wettest
Wettest to Date
1941
Jul 1895–May 1896
11-Month
11.56"
(293.62mm)
13.59"
(345.19mm)
-2.03"
(-51.57mm)
30th Driest
Driest to Date
2021
98th Wettest
Wettest to Date
1941
Ties: 1946
Jun 1895–May 1896
12-Month
12.46"
(316.48mm)
14.53"
(369.06mm)
-2.07"
(-52.58mm)
32nd Driest
Driest to Date
2021
96th Wettest
Wettest to Date
1905

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