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, July 2021

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
July 2021
1-Month 		4.36"
(110.74mm)		 3.17"
(80.52mm)		 1.19"
(30.22mm)		 113th Driest
Driest since:
 1980
16th Wettest
Wettest since:
 1950
Jun–Jul 2021
2-Month 		9.12"
(231.65mm)		 6.70"
(170.18mm)		 2.42"
(61.47mm)		 117th Driest
Driest since:
 1980
12th Wettest
Wettest since:
 2007
May–Jul 2021
3-Month 		15.52"
(394.21mm)		 10.75"
(273.05mm)		 4.77"
(121.16mm)		 126th Driest
Driest since:
 1998
3rd Wettest
Wettest since:
 2015
Ties: 1989
Apr–Jul 2021
4-Month 		18.99"
(482.35mm)		 13.97"
(354.84mm)		 5.02"
(127.51mm)		 123rd Driest
Driest since:
 1998
6th Wettest
Wettest since:
 2015
Mar–Jul 2021
5-Month 		22.26"
(565.40mm)		 16.66"
(423.16mm)		 5.60"
(142.24mm)		 123rd Driest
Driest since:
 2011
6th Wettest
Wettest since:
 2015
Feb–Jul 2021
6-Month 		23.95"
(608.33mm)		 18.89"
(479.81mm)		 5.06"
(128.52mm)		 121st Driest
Driest since:
 2011
8th Wettest
Wettest since:
 2015
Jan–Jul 2021
7-Month 		26.22"
(665.99mm)		 21.12"
(536.45mm)		 5.10"
(129.54mm)		 117th Driest
Driest since:
 2011
12th Wettest
Wettest since:
 2015
Dec 2020–Jul 2021
8-Month 		28.74"
(730.00mm)		 23.62"
(599.95mm)		 5.12"
(130.05mm)		 116th Driest
Driest since:
 2011
12th Wettest
Wettest since:
 2015
Ties: 1941
Nov 2020–Jul 2021
9-Month 		30.23"
(767.84mm)		 26.04"
(661.42mm)		 4.19"
(106.42mm)		 101st Driest
Driest since:
 1918, 2011
27th Wettest
Wettest since:
 1973
Oct 2020–Jul 2021
10-Month 		32.62"
(828.55mm)		 28.74"
(730.00mm)		 3.88"
(98.55mm)		 92nd Driest
Driest since:
 1918
36th Wettest
Wettest since:
 2019
Sep 2020–Jul 2021
11-Month 		36.57"
(928.88mm)		 31.95"
(811.53mm)		 4.62"
(117.35mm)		 104th Driest
Driest since:
 1918
24th Wettest
Wettest since:
 2019
Aug 2020–Jul 2021
12-Month 		39.33"
(998.98mm)		 34.89"
(886.21mm)		 4.44"
(112.77mm)		 103rd Driest
Driest since:
 1918
25th Wettest
Wettest since:
 2019
Feb 2020–Jul 2021
18-Month 		60.99"
(1,549.15mm)		 53.84"
(1,367.54mm)		 7.15"
(181.61mm)		 109th Driest
Driest since:
 1918
19th Wettest
Wettest since:
 2016
Aug 2019–Jul 2021
24-Month 		78.14"
(1,984.76mm)		 69.86"
(1,774.44mm)		 8.28"
(210.32mm)		 111th Driest
Driest since:
 1918
16th Wettest
Wettest since:
 2020
Aug 2018–Jul 2021
36-Month 		127.75"
(3,244.85mm)		 104.76"
(2,660.90mm)		 22.99"
(583.95mm)		 124th Driest
Driest since:
 1956
2nd Wettest
Wettest since:
 1975
Aug 2017–Jul 2021
48-Month 		161.98"
(4,114.29mm)		 139.65"
(3,547.11mm)		 22.33"
(567.18mm)		 122nd Driest
Driest since:
 1956
3rd Wettest
Wettest since:
 1975
Aug 2016–Jul 2021
60-Month 		200.31"
(5,087.87mm)		 174.43"
(4,430.52mm)		 25.88"
(657.35mm)		 121st Driest
Driest since:
 1956
3rd Wettest
Wettest since:
 2019

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