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 1978

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
August 1978
1-Month		3.15"
(80.01mm)		2.92"
(74.17mm)		0.23"
(5.84mm)		79th Driest
Driest since:
2000
50th Wettest
Wettest since:
2017
Ties: 1998
Jul–Aug 1978
2-Month		5.22"
(132.59mm)		6.09"
(154.69mm)		-0.87"
(-22.10mm)		28th Driest
Driest since:
2000
101st Wettest
Wettest since:
2017
Jun–Aug 1978
3-Month		8.70"
(220.98mm)		9.62"
(244.35mm)		-0.92"
(-23.37mm)		34th Driest
Driest since:
1954
95th Wettest
Wettest since:
2017
May–Aug 1978
4-Month		13.76"
(349.50mm)		13.67"
(347.22mm)		0.09"
(2.28mm)		64th Driest
Driest since:
2011
65th Wettest
Wettest since:
2021
Ties: 1973
Apr–Aug 1978
5-Month		15.56"
(395.22mm)		16.88"
(428.75mm)		-1.32"
(-33.53mm)		39th Driest
Driest since:
1956
90th Wettest
Wettest since:
2015
Mar–Aug 1978
6-Month		17.26"
(438.40mm)		19.58"
(497.33mm)		-2.32"
(-58.93mm)		26th Driest
Driest since:
1956
103rd Wettest
Wettest since:
2015
Feb–Aug 1978
7-Month		19.16"
(486.66mm)		21.81"
(553.97mm)		-2.65"
(-67.31mm)		27th Driest
Driest since:
2011
102nd Wettest
Wettest since:
2015
Jan–Aug 1978
8-Month		21.67"
(550.42mm)		24.04"
(610.62mm)		-2.37"
(-60.20mm)		32nd Driest
Driest since:
2011
97th Wettest
Wettest since:
2015
Dec 1977–Aug 1978
9-Month		22.83"
(579.88mm)		26.54"
(674.12mm)		-3.71"
(-94.24mm)		20th Driest
Driest since:
2011
108th Wettest
Wettest since:
2019
Nov 1977–Aug 1978
10-Month		26.15"
(664.21mm)		28.96"
(735.58mm)		-2.81"
(-71.37mm)		33rd Driest
Driest since:
2011
95th Wettest
Wettest since:
2016
Oct 1977–Aug 1978
11-Month		28.07"
(712.98mm)		31.66"
(804.16mm)		-3.59"
(-91.18mm)		32nd Driest
Driest since:
2011
96th Wettest
Wettest since:
2016
Sep 1977–Aug 1978
12-Month		31.25"
(793.75mm)		34.87"
(885.70mm)		-3.62"
(-91.95mm)		33rd Driest
Driest since:
1918
95th Wettest
Wettest since:
2019
Mar 1977–Aug 1978
18-Month		51.64"
(1,311.66mm)		54.51"
(1,384.55mm)		-2.87"
(-72.89mm)		35th Driest
Driest since:
1918
93rd Wettest
Wettest since:
2016
Sep 1976–Aug 1978
24-Month		66.25"
(1,682.75mm)		69.84"
(1,773.94mm)		-3.59"
(-91.19mm)		36th Driest
Driest since:
1918
91st Wettest
Wettest since:
2016
Sep 1975–Aug 1978
36-Month		96.98"
(2,463.29mm)		104.74"
(2,660.40mm)		-7.76"
(-197.11mm)		18th Driest
Driest since:
1956
108th Wettest
Wettest since:
1975
Sep 1974–Aug 1978
48-Month		140.74"
(3,574.80mm)		139.63"
(3,546.60mm)		1.11"
(28.20mm)		65th Driest
Driest since:
1956
60th Wettest
Wettest since:
2019
Sep 1973–Aug 1978
60-Month		182.21"
(4,628.13mm)		174.44"
(4,430.78mm)		7.77"
(197.35mm)		89th Driest
Driest since:
1956
35th Wettest
Wettest since:
2019

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