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 1961

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
May 1961
1-Month
0.74"
(18.80mm)
1.11"
(28.19mm)
-0.37"
(-9.39mm)
31st Driest
Driest since:
1974
98th Wettest
Wettest since:
2015
Ties: 1962, 1984, 1989
Apr–May 1961
2-Month
1.51"
(38.35mm)
2.17"
(55.12mm)
-0.66"
(-16.77mm)
32nd Driest
Driest since:
2002
97th Wettest
Wettest since:
1941
Ties: 1936
Mar–May 1961
3-Month
3.09"
(78.49mm)
3.33"
(84.58mm)
-0.24"
(-6.09mm)
60th Driest
Driest since:
2002
69th Wettest
Wettest since:
1941
Ties: 1976, 2010, 2011, 2017
Feb–May 1961
4-Month
3.54"
(89.92mm)
4.33"
(109.98mm)
-0.79"
(-20.06mm)
40th Driest
Driest since:
2002
89th Wettest
Wettest since:
1905
Ties: 1953
Jan–May 1961
5-Month
4.01"
(101.85mm)
5.31"
(134.87mm)
-1.30"
(-33.02mm)
27th Driest
Driest since:
1972
102nd Wettest
Wettest since:
1905
Dec 1960–May 1961
6-Month
4.96"
(125.98mm)
6.32"
(160.53mm)
-1.36"
(-34.55mm)
34th Driest
Driest since:
2002
94th Wettest
Wettest since:
1905
Nov 1960–May 1961
7-Month
5.60"
(142.24mm)
7.21"
(183.13mm)
-1.61"
(-40.89mm)
32nd Driest
Driest since:
2002
96th Wettest
Wettest since:
1941
Ties: 1954
Oct 1960–May 1961
8-Month
7.79"
(197.87mm)
8.34"
(211.84mm)
-0.55"
(-13.97mm)
55th Driest
Driest since:
2002
73rd Wettest
Wettest since:
1941
Sep 1960–May 1961
9-Month
8.81"
(223.77mm)
9.71"
(246.63mm)
-0.90"
(-22.86mm)
45th Driest
Driest since:
2002
83rd Wettest
Wettest since:
1941
Aug 1960–May 1961
10-Month
9.82"
(249.43mm)
11.72"
(297.69mm)
-1.90"
(-48.26mm)
30th Driest
Driest since:
2002
98th Wettest
Wettest since:
1941
Jul 1960–May 1961
11-Month
11.57"
(293.88mm)
13.59"
(345.19mm)
-2.02"
(-51.31mm)
32nd Driest
Driest since:
2021
96th Wettest
Wettest since:
1941
Jun 1960–May 1961
12-Month
12.42"
(315.47mm)
14.53"
(369.06mm)
-2.11"
(-53.59mm)
31st Driest
Driest since:
2021
97th Wettest
Wettest since:
1905
Dec 1959–May 1961
18-Month
18.50"
(469.90mm)
20.86"
(529.84mm)
-2.36"
(-59.94mm)
32nd Driest
Driest since:
2021
95th Wettest
Wettest since:
1942
Jun 1959–May 1961
24-Month
26.70"
(678.18mm)
29.05"
(737.87mm)
-2.35"
(-59.69mm)
34th Driest
Driest since:
2021
93rd Wettest
Wettest since:
1942
Ties: 1899
Jun 1958–May 1961
36-Month
38.97"
(989.84mm)
43.54"
(1,105.92mm)
-4.57"
(-116.08mm)
23rd Driest
Driest since:
2022
103rd Wettest
Wettest since:
1907
Jun 1957–May 1961
48-Month
55.83"
(1,418.08mm)
58.01"
(1,473.45mm)
-2.18"
(-55.37mm)
49th Driest
Driest since:
1904
76th Wettest
Wettest since:
1986
Jun 1956–May 1961
60-Month
68.54"
(1,740.92mm)
72.48"
(1,840.99mm)
-3.94"
(-100.07mm)
38th Driest
Driest since:
1957
86th Wettest
Wettest since:
1987

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