Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. 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 1982

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1982
1-Month
1.45"
(36.83mm)
1.11"
(28.19mm)
0.34"
(8.64mm)
105th Driest
Driest since:
1974
24th Wettest
Wettest since:
2015
Apr–May 1982
2-Month
1.92"
(48.77mm)
2.17"
(55.12mm)
-0.25"
(-6.35mm)
53rd Driest
Driest since:
2002
76th Wettest
Wettest since:
1941
Mar–May 1982
3-Month
3.42"
(86.87mm)
3.33"
(84.58mm)
0.09"
(2.29mm)
82nd Driest
Driest since:
2002
47th Wettest
Wettest since:
1941
Feb–May 1982
4-Month
4.36"
(110.74mm)
4.33"
(109.98mm)
0.03"
(0.76mm)
72nd Driest
Driest since:
2002
57th Wettest
Wettest since:
1905
Jan–May 1982
5-Month
5.66"
(143.76mm)
5.31"
(134.87mm)
0.35"
(8.89mm)
86th Driest
Driest since:
1972
43rd Wettest
Wettest since:
1905
Ties: 1969
Dec 1981–May 1982
6-Month
6.26"
(159.00mm)
6.32"
(160.53mm)
-0.06"
(-1.53mm)
79th Driest
Driest since:
2002
49th Wettest
Wettest since:
1905
Nov 1981–May 1982
7-Month
7.11"
(180.59mm)
7.21"
(183.13mm)
-0.10"
(-2.54mm)
71st Driest
Driest since:
2002
57th Wettest
Wettest since:
1941
Oct 1981–May 1982
8-Month
8.82"
(224.03mm)
8.34"
(211.84mm)
0.48"
(12.19mm)
80th Driest
Driest since:
2002
48th Wettest
Wettest since:
1941
Sep 1981–May 1982
9-Month
10.19"
(258.83mm)
9.71"
(246.63mm)
0.48"
(12.20mm)
84th Driest
Driest since:
2002
44th Wettest
Wettest since:
1941
Aug 1981–May 1982
10-Month
12.43"
(315.72mm)
11.72"
(297.69mm)
0.71"
(18.03mm)
88th Driest
Driest since:
2002
40th Wettest
Wettest since:
1941
Ties: 1919
Jul 1981–May 1982
11-Month
14.69"
(373.13mm)
13.59"
(345.19mm)
1.10"
(27.94mm)
90th Driest
Driest since:
2021
38th Wettest
Wettest since:
1941
Jun 1981–May 1982
12-Month
15.56"
(395.22mm)
14.53"
(369.06mm)
1.03"
(26.16mm)
87th Driest
Driest since:
2021
41st Wettest
Wettest since:
1905
Ties: 1952
Dec 1980–May 1982
18-Month
21.36"
(542.54mm)
20.86"
(529.84mm)
0.50"
(12.70mm)
85th Driest
Driest since:
2021
42nd Wettest
Wettest since:
1942
Jun 1980–May 1982
24-Month
27.20"
(690.88mm)
29.05"
(737.87mm)
-1.85"
(-46.99mm)
44th Driest
Driest since:
2021
83rd Wettest
Wettest since:
1942
Jun 1979–May 1982
36-Month
43.40"
(1,102.36mm)
43.54"
(1,105.92mm)
-0.14"
(-3.56mm)
66th Driest
Driest since:
2022
60th Wettest
Wettest since:
1907
Jun 1978–May 1982
48-Month
60.55"
(1,537.97mm)
58.01"
(1,473.45mm)
2.54"
(64.52mm)
92nd Driest
Driest since:
1904
33rd Wettest
Wettest since:
1986
Jun 1977–May 1982
60-Month
76.90"
(1,953.26mm)
72.48"
(1,840.99mm)
4.42"
(112.27mm)
97th Driest
Driest since:
1957
27th Wettest
Wettest since:
1987

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