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, July 1920

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
July 1920
1-Month 		3.62"
(91.95mm)		 3.17"
(80.52mm)		 0.45"
(11.43mm)		 86th Driest
Driest since:
 1980
43rd Wettest
Wettest since:
 1950
Ties: 2005
Jun–Jul 1920
2-Month 		6.89"
(175.01mm)		 6.70"
(170.18mm)		 0.19"
(4.83mm)		 63rd Driest
Driest since:
 1980
66th Wettest
Wettest since:
 2007
Ties: 1923
May–Jul 1920
3-Month 		11.76"
(298.70mm)		 10.75"
(273.05mm)		 1.01"
(25.65mm)		 87th Driest
Driest since:
 1998
42nd Wettest
Wettest since:
 2015
Apr–Jul 1920
4-Month 		14.62"
(371.35mm)		 13.97"
(354.84mm)		 0.65"
(16.51mm)		 76th Driest
Driest since:
 1998
53rd Wettest
Wettest since:
 2015
Mar–Jul 1920
5-Month 		16.93"
(430.02mm)		 16.66"
(423.16mm)		 0.27"
(6.86mm)		 67th Driest
Driest since:
 2011
62nd Wettest
Wettest since:
 2015
Ties: 1951
Feb–Jul 1920
6-Month 		17.99"
(456.95mm)		 18.89"
(479.81mm)		 -0.90"
(-22.86mm)		 50th Driest
Driest since:
 2011
79th Wettest
Wettest since:
 2015
Jan–Jul 1920
7-Month 		21.43"
(544.32mm)		 21.12"
(536.45mm)		 0.31"
(7.87mm)		 72nd Driest
Driest since:
 2011
57th Wettest
Wettest since:
 2015
Ties: 1895
Dec 1919–Jul 1920
8-Month 		22.87"
(580.90mm)		 23.62"
(599.95mm)		 -0.75"
(-19.05mm)		 64th Driest
Driest since:
 2011
64th Wettest
Wettest since:
 2015
Nov 1919–Jul 1920
9-Month 		26.42"
(671.07mm)		 26.04"
(661.42mm)		 0.38"
(9.65mm)		 72nd Driest
Driest since:
 1918, 2011
56th Wettest
Wettest since:
 1973
Oct 1919–Jul 1920
10-Month 		32.83"
(833.88mm)		 28.74"
(730.00mm)		 4.09"
(103.88mm)		 94th Driest
Driest since:
 1918
34th Wettest
Wettest since:
 2019
Sep 1919–Jul 1920
11-Month 		36.32"
(922.53mm)		 31.95"
(811.53mm)		 4.37"
(111.00mm)		 102nd Driest
Driest since:
 1918
26th Wettest
Wettest since:
 2019
Aug 1919–Jul 1920
12-Month 		39.76"
(1,009.90mm)		 34.89"
(886.21mm)		 4.87"
(123.69mm)		 107th Driest
Driest since:
 1918
21st Wettest
Wettest since:
 2019
Feb 1919–Jul 1920
18-Month 		62.22"
(1,580.39mm)		 53.84"
(1,367.54mm)		 8.38"
(212.85mm)		 119th Driest
Driest since:
 1918
9th Wettest
Wettest to Date
 2016
Aug 1918–Jul 1920
24-Month 		81.43"
(2,068.32mm)		 69.86"
(1,774.44mm)		 11.57"
(293.88mm)		 119th Driest
Driest since:
 1918
8th Wettest
Wettest to Date
 2020
Aug 1917–Jul 1920
36-Month 		104.93"
(2,665.22mm)		 104.76"
(2,660.90mm)		 0.17"
(4.32mm)		 58th Driest
Driest since:
 1956
68th Wettest
Wettest since:
 1975
Aug 1916–Jul 1920
48-Month 		130.34"
(3,310.64mm)		 139.65"
(3,547.11mm)		 -9.31"
(-236.47mm)		 23rd Driest
Driest since:
 1956
102nd Wettest
Wettest since:
 1975
Aug 1915–Jul 1920
60-Month 		165.16"
(4,195.06mm)		 174.43"
(4,430.52mm)		 -9.27"
(-235.46mm)		 21st Driest
Driest since:
 1956
103rd Wettest
Wettest since:
 2019
Ties: 1934

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