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 2020

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 2020
1-Month 		4.00"
(101.60mm)		 3.17"
(80.52mm)		 0.83"
(21.08mm)		 101st Driest
Driest since:
 1980
28th Wettest
Wettest since:
 1950
Jun–Jul 2020
2-Month 		7.08"
(179.83mm)		 6.70"
(170.18mm)		 0.38"
(9.65mm)		 71st Driest
Driest since:
 1980
58th Wettest
Wettest since:
 2007
Ties: 2002
May–Jul 2020
3-Month 		11.41"
(289.81mm)		 10.75"
(273.05mm)		 0.66"
(16.76mm)		 77th Driest
Driest since:
 1998
52nd Wettest
Wettest since:
 2015
Apr–Jul 2020
4-Month 		14.55"
(369.57mm)		 13.97"
(354.84mm)		 0.58"
(14.73mm)		 75th Driest
Driest since:
 1998
54th Wettest
Wettest since:
 2015
Mar–Jul 2020
5-Month 		18.51"
(470.15mm)		 16.66"
(423.16mm)		 1.85"
(46.99mm)		 93rd Driest
Driest since:
 2011
36th Wettest
Wettest since:
 2015
Feb–Jul 2020
6-Month 		21.66"
(550.16mm)		 18.89"
(479.81mm)		 2.77"
(70.35mm)		 100th Driest
Driest since:
 2011
29th Wettest
Wettest since:
 2015
Jan–Jul 2020
7-Month 		25.15"
(638.81mm)		 21.12"
(536.45mm)		 4.03"
(102.36mm)		 108th Driest
Driest since:
 2011
21st Wettest
Wettest since:
 2015
Dec 2019–Jul 2020
8-Month 		26.81"
(680.97mm)		 23.62"
(599.95mm)		 3.19"
(81.02mm)		 96th Driest
Driest since:
 2011
32nd Wettest
Wettest since:
 2015
Nov 2019–Jul 2020
9-Month 		28.67"
(728.22mm)		 26.04"
(661.42mm)		 2.63"
(66.80mm)		 89th Driest
Driest since:
 1918, 2011
39th Wettest
Wettest since:
 1973
Oct 2019–Jul 2020
10-Month 		33.04"
(839.22mm)		 28.74"
(730.00mm)		 4.30"
(109.22mm)		 97th Driest
Driest since:
 1918
31st Wettest
Wettest since:
 2019
Sep 2019–Jul 2020
11-Month 		35.21"
(894.33mm)		 31.95"
(811.53mm)		 3.26"
(82.80mm)		 90th Driest
Driest since:
 1918
38th Wettest
Wettest since:
 2019
Aug 2019–Jul 2020
12-Month 		38.81"
(985.77mm)		 34.89"
(886.21mm)		 3.92"
(99.56mm)		 98th Driest
Driest since:
 1918
30th Wettest
Wettest since:
 2019
Feb 2019–Jul 2020
18-Month 		63.07"
(1,601.98mm)		 53.84"
(1,367.54mm)		 9.23"
(234.44mm)		 122nd Driest
Driest since:
 1918
6th Wettest
Wettest since:
 2016
Aug 2018–Jul 2020
24-Month 		88.42"
(2,245.87mm)		 69.86"
(1,774.44mm)		 18.56"
(471.43mm)		 126th Driest
Driest since:
 1918
1st Wettest
Wettest to Date
 2020
Aug 2017–Jul 2020
36-Month 		122.65"
(3,115.31mm)		 104.76"
(2,660.90mm)		 17.89"
(454.41mm)		 121st Driest
Driest since:
 1956
5th Wettest
Wettest since:
 1975
Aug 2016–Jul 2020
48-Month 		160.98"
(4,088.89mm)		 139.65"
(3,547.11mm)		 21.33"
(541.78mm)		 120th Driest
Driest since:
 1956
5th Wettest
Wettest since:
 1975
Aug 2015–Jul 2020
60-Month 		203.00"
(5,156.20mm)		 174.43"
(4,430.52mm)		 28.57"
(725.68mm)		 122nd Driest
Driest since:
 1956
2nd Wettest
Wettest since:
 2019

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