Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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, August 1975

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
August 1975
1-Month 		3.46"
(87.88mm)		 2.92"
(74.17mm)		 0.54"
(13.71mm)		 98th Driest
Driest since:
 2000
31st Wettest
Wettest since:
 2017
Ties: 1897
Jul–Aug 1975
2-Month 		7.19"
(182.63mm)		 6.09"
(154.69mm)		 1.10"
(27.94mm)		 96th Driest
Driest since:
 2000
33rd Wettest
Wettest since:
 2017
Jun–Aug 1975
3-Month 		11.57"
(293.88mm)		 9.62"
(244.35mm)		 1.95"
(49.53mm)		 99th Driest
Driest since:
 1954
30th Wettest
Wettest since:
 2017
May–Aug 1975
4-Month 		17.62"
(447.55mm)		 13.67"
(347.22mm)		 3.95"
(100.33mm)		 120th Driest
Driest since:
 2011
9th Wettest
Wettest since:
 2021
Apr–Aug 1975
5-Month 		20.42"
(518.67mm)		 16.88"
(428.75mm)		 3.54"
(89.92mm)		 112th Driest
Driest since:
 1956
17th Wettest
Wettest since:
 2015
Mar–Aug 1975
6-Month 		23.55"
(598.17mm)		 19.58"
(497.33mm)		 3.97"
(100.84mm)		 114th Driest
Driest since:
 1956
15th Wettest
Wettest since:
 2015
Feb–Aug 1975
7-Month 		26.40"
(670.56mm)		 21.81"
(553.97mm)		 4.59"
(116.59mm)		 113th Driest
Driest since:
 2011
16th Wettest
Wettest since:
 2015
Ties: 1941
Jan–Aug 1975
8-Month 		28.59"
(726.19mm)		 24.04"
(610.62mm)		 4.55"
(115.57mm)		 107th Driest
Driest since:
 2011
22nd Wettest
Wettest since:
 2015
Dec 1974–Aug 1975
9-Month 		31.14"
(790.96mm)		 26.54"
(674.12mm)		 4.60"
(116.84mm)		 106th Driest
Driest since:
 2011
22nd Wettest
Wettest since:
 2019
Nov 1974–Aug 1975
10-Month 		34.60"
(878.84mm)		 28.96"
(735.58mm)		 5.64"
(143.26mm)		 111th Driest
Driest since:
 2011
17th Wettest
Wettest since:
 2016
Oct 1974–Aug 1975
11-Month 		38.22"
(970.79mm)		 31.66"
(804.16mm)		 6.56"
(166.63mm)		 117th Driest
Driest since:
 2011
11th Wettest
Wettest since:
 2016
Sep 1974–Aug 1975
12-Month 		43.76"
(1,111.50mm)		 34.87"
(885.70mm)		 8.89"
(225.80mm)		 123rd Driest
Driest since:
 1918
5th Wettest
Wettest since:
 2019
Mar 1974–Aug 1975
18-Month 		63.98"
(1,625.09mm)		 54.51"
(1,384.55mm)		 9.47"
(240.54mm)		 120th Driest
Driest since:
 1918
8th Wettest
Wettest since:
 2016
Sep 1973–Aug 1975
24-Month 		85.23"
(2,164.84mm)		 69.84"
(1,773.94mm)		 15.39"
(390.90mm)		 123rd Driest
Driest since:
 1918
4th Wettest
Wettest since:
 2016
Sep 1972–Aug 1975
36-Month 		129.44"
(3,287.78mm)		 104.74"
(2,660.40mm)		 24.70"
(627.38mm)		 125th Driest
Driest since:
 1956
1st Wettest
Wettest to Date
 1975
Sep 1971–Aug 1975
48-Month 		164.41"
(4,176.01mm)		 139.63"
(3,546.60mm)		 24.78"
(629.41mm)		 123rd Driest
Driest since:
 1956
2nd Wettest
Wettest to Date
 2019
Sep 1970–Aug 1975
60-Month 		196.73"
(4,996.94mm)		 174.44"
(4,430.78mm)		 22.29"
(566.16mm)		 118th Driest
Driest since:
 1956
6th Wettest
Wettest to Date
 2019

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