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.

South Climate Region

Precipitation Rankings, May 1971

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 1971
1-Month
3.34"
(84.84mm)
4.05"
(102.87mm)
-0.71"
(-18.03mm)
41st Driest
Driest since:
1998
88th Wettest
Wettest since:
2015
Apr–May 1971
2-Month
5.21"
(132.33mm)
7.26"
(184.40mm)
-2.05"
(-52.07mm)
16th Driest
Driest since:
1998
113th Wettest
Wettest since:
2015
Ties: 2018
Mar–May 1971
3-Month
6.55"
(166.37mm)
9.96"
(252.98mm)
-3.41"
(-86.61mm)
4th Driest
Driest since:
1925
125th Wettest
Wettest since:
2015
Feb–May 1971
4-Month
8.95"
(227.33mm)
12.19"
(309.63mm)
-3.24"
(-82.30mm)
10th Driest
Driest since:
1925
119th Wettest
Wettest since:
2015
Jan–May 1971
5-Month
9.97"
(253.24mm)
14.42"
(366.27mm)
-4.45"
(-113.03mm)
4th Driest
Driest since:
1963
125th Wettest
Wettest since:
2015
Dec 1970–May 1971
6-Month
11.34"
(288.04mm)
16.92"
(429.77mm)
-5.58"
(-141.73mm)
3rd Driest
Driest since:
1963
125th Wettest
Wettest since:
2015
Nov 1970–May 1971
7-Month
12.30"
(312.42mm)
19.34"
(491.24mm)
-7.04"
(-178.82mm)
1st Driest
Driest since:
1971
127th Wettest
Wettest since:
2016
Oct 1970–May 1971
8-Month
16.44"
(417.58mm)
22.04"
(559.82mm)
-5.60"
(-142.24mm)
12th Driest
Driest since:
1925
116th Wettest
Wettest since:
2019
Sep 1970–May 1971
9-Month
21.26"
(540.00mm)
25.25"
(641.35mm)
-3.99"
(-101.35mm)
25th Driest
Driest since:
1918
103rd Wettest
Wettest since:
2019
Aug 1970–May 1971
10-Month
23.99"
(609.35mm)
28.19"
(716.03mm)
-4.20"
(-106.68mm)
22nd Driest
Driest since:
1925
106th Wettest
Wettest since:
2019
Jul 1970–May 1971
11-Month
25.95"
(659.13mm)
31.39"
(797.31mm)
-5.44"
(-138.18mm)
15th Driest
Driest since:
1925
113th Wettest
Wettest since:
2019
Jun 1970–May 1971
12-Month
28.88"
(733.55mm)
34.90"
(886.46mm)
-6.02"
(-152.91mm)
18th Driest
Driest since:
1925
110th Wettest
Wettest since:
2019
Dec 1969–May 1971
18-Month
44.95"
(1,141.73mm)
51.87"
(1,317.50mm)
-6.92"
(-175.77mm)
16th Driest
Driest since:
1918
111th Wettest
Wettest since:
2016
Jun 1969–May 1971
24-Month
61.78"
(1,569.21mm)
69.89"
(1,775.21mm)
-8.11"
(-206.00mm)
14th Driest
Driest since:
1918
113th Wettest
Wettest since:
2020
Jun 1968–May 1971
36-Month
99.52"
(2,527.81mm)
104.83"
(2,662.68mm)
-5.31"
(-134.87mm)
31st Driest
Driest since:
1956
95th Wettest
Wettest since:
1975
Jun 1967–May 1971
48-Month
138.25"
(3,511.55mm)
139.71"
(3,548.63mm)
-1.46"
(-37.08mm)
52nd Driest
Driest since:
1956
73rd Wettest
Wettest since:
1975
Jun 1966–May 1971
60-Month
166.80"
(4,236.72mm)
174.45"
(4,431.03mm)
-7.65"
(-194.31mm)
28th Driest
Driest since:
1957
96th Wettest
Wettest since:
2019

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