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 1973

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
August 1973
1-Month 		2.16"
(54.86mm)		 2.92"
(74.17mm)		 -0.76"
(-19.31mm)		 20th Driest
Driest since:
 2000
109th Wettest
Wettest since:
 2017
Ties: 1909, 1924, 1980
Jul–Aug 1973
2-Month 		6.42"
(163.07mm)		 6.09"
(154.69mm)		 0.33"
(8.38mm)		 68th Driest
Driest since:
 2000
61st Wettest
Wettest since:
 2017
Jun–Aug 1973
3-Month 		10.70"
(271.78mm)		 9.62"
(244.35mm)		 1.08"
(27.43mm)		 87th Driest
Driest since:
 1954
42nd Wettest
Wettest since:
 2017
May–Aug 1973
4-Month 		13.76"
(349.50mm)		 13.67"
(347.22mm)		 0.09"
(2.28mm)		 65th Driest
Driest since:
 2011
64th Wettest
Wettest since:
 2021
Ties: 1978
Apr–Aug 1973
5-Month 		18.80"
(477.52mm)		 16.88"
(428.75mm)		 1.92"
(48.77mm)		 94th Driest
Driest since:
 1956
35th Wettest
Wettest since:
 2015
Mar–Aug 1973
6-Month 		25.08"
(637.03mm)		 19.58"
(497.33mm)		 5.50"
(139.70mm)		 120th Driest
Driest since:
 1956
9th Wettest
Wettest since:
 2015
Feb–Aug 1973
7-Month 		27.40"
(695.96mm)		 21.81"
(553.97mm)		 5.59"
(141.99mm)		 120th Driest
Driest since:
 2011
9th Wettest
Wettest since:
 2015
Jan–Aug 1973
8-Month 		30.56"
(776.22mm)		 24.04"
(610.62mm)		 6.52"
(165.60mm)		 124th Driest
Driest since:
 2011
5th Wettest
Wettest since:
 2015
Dec 1972–Aug 1973
9-Month 		33.14"
(841.76mm)		 26.54"
(674.12mm)		 6.60"
(167.64mm)		 119th Driest
Driest since:
 2011
9th Wettest
Wettest since:
 2019
Nov 1972–Aug 1973
10-Month 		36.82"
(935.23mm)		 28.96"
(735.58mm)		 7.86"
(199.65mm)		 123rd Driest
Driest since:
 2011
5th Wettest
Wettest since:
 2016
Oct 1972–Aug 1973
11-Month 		40.51"
(1,028.95mm)		 31.66"
(804.16mm)		 8.85"
(224.79mm)		 125th Driest
Driest since:
 2011
3rd Wettest
Wettest to Date
 2016
Sep 1972–Aug 1973
12-Month 		44.21"
(1,122.93mm)		 34.87"
(885.70mm)		 9.34"
(237.23mm)		 125th Driest
Driest since:
 1918
3rd Wettest
Wettest to Date
 2019
Mar 1972–Aug 1973
18-Month 		62.01"
(1,575.05mm)		 54.51"
(1,384.55mm)		 7.50"
(190.50mm)		 110th Driest
Driest since:
 1918
18th Wettest
Wettest since:
 2016
Sep 1971–Aug 1973
24-Month 		79.18"
(2,011.17mm)		 69.84"
(1,773.94mm)		 9.34"
(237.23mm)		 113th Driest
Driest since:
 1918
14th Wettest
Wettest since:
 2016
Sep 1970–Aug 1973
36-Month 		111.50"
(2,832.10mm)		 104.74"
(2,660.40mm)		 6.76"
(171.70mm)		 94th Driest
Driest since:
 1956
32nd Wettest
Wettest since:
 1975
Sep 1969–Aug 1973
48-Month 		143.70"
(3,649.98mm)		 139.63"
(3,546.60mm)		 4.07"
(103.38mm)		 78th Driest
Driest since:
 1956
47th Wettest
Wettest since:
 2019
Sep 1968–Aug 1973
60-Month 		179.46"
(4,558.28mm)		 174.44"
(4,430.78mm)		 5.02"
(127.50mm)		 78th Driest
Driest since:
 1956
46th Wettest
Wettest since:
 2019
Ties: 2010

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