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 2010

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 2010
1-Month
3.60"
(91.44mm)
4.05"
(102.87mm)
-0.45"
(-11.43mm)
52nd Driest
Driest since:
1998
77th Wettest
Wettest since:
2015
Apr–May 2010
2-Month
6.20"
(157.48mm)
7.26"
(184.40mm)
-1.06"
(-26.92mm)
39th Driest
Driest since:
1998
90th Wettest
Wettest since:
2015
Mar–May 2010
3-Month
8.44"
(214.38mm)
9.96"
(252.98mm)
-1.52"
(-38.60mm)
33rd Driest
Driest since:
1925
96th Wettest
Wettest since:
2015
Feb–May 2010
4-Month
11.14"
(282.96mm)
12.19"
(309.63mm)
-1.05"
(-26.67mm)
45th Driest
Driest since:
1925
84th Wettest
Wettest since:
2015
Jan–May 2010
5-Month
13.65"
(346.71mm)
14.42"
(366.27mm)
-0.77"
(-19.56mm)
52nd Driest
Driest since:
1963
77th Wettest
Wettest since:
2015
Dec 2009–May 2010
6-Month
17.28"
(438.91mm)
16.92"
(429.77mm)
0.36"
(9.14mm)
72nd Driest
Driest since:
1963
56th Wettest
Wettest since:
2015
Nov 2009–May 2010
7-Month
18.59"
(472.19mm)
19.34"
(491.24mm)
-0.75"
(-19.05mm)
60th Driest
Driest since:
1971
68th Wettest
Wettest since:
2016
Oct 2009–May 2010
8-Month
25.85"
(656.59mm)
22.04"
(559.82mm)
3.81"
(96.77mm)
103rd Driest
Driest since:
1925
25th Wettest
Wettest since:
2019
Sep 2009–May 2010
9-Month
30.87"
(784.10mm)
25.25"
(641.35mm)
5.62"
(142.75mm)
120th Driest
Driest since:
1918
8th Wettest
Wettest since:
2019
Aug 2009–May 2010
10-Month
33.60"
(853.44mm)
28.19"
(716.03mm)
5.41"
(137.41mm)
119th Driest
Driest since:
1925
9th Wettest
Wettest since:
2019
Jul 2009–May 2010
11-Month
37.97"
(964.44mm)
31.39"
(797.31mm)
6.58"
(167.13mm)
120th Driest
Driest since:
1925
8th Wettest
Wettest since:
2019
Jun 2009–May 2010
12-Month
40.34"
(1,024.64mm)
34.90"
(886.46mm)
5.44"
(138.18mm)
112th Driest
Driest since:
1925
16th Wettest
Wettest since:
2019
Dec 2008–May 2010
18-Month
56.24"
(1,428.50mm)
51.87"
(1,317.50mm)
4.37"
(111.00mm)
98th Driest
Driest since:
1918
29th Wettest
Wettest since:
2016
Jun 2008–May 2010
24-Month
75.92"
(1,928.37mm)
69.89"
(1,775.21mm)
6.03"
(153.16mm)
100th Driest
Driest since:
1918
27th Wettest
Wettest since:
2020
Jun 2007–May 2010
36-Month
113.47"
(2,882.14mm)
104.83"
(2,662.68mm)
8.64"
(219.46mm)
102nd Driest
Driest since:
1956
24th Wettest
Wettest since:
1975
Jun 2006–May 2010
48-Month
150.95"
(3,834.13mm)
139.71"
(3,548.63mm)
11.24"
(285.50mm)
106th Driest
Driest since:
1956
19th Wettest
Wettest since:
1975
Jun 2005–May 2010
60-Month
179.49"
(4,559.05mm)
174.45"
(4,431.03mm)
5.04"
(128.02mm)
75th Driest
Driest since:
1957
49th Wettest
Wettest since:
2019

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