Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Alabama

Precipitation Rankings, August 1899

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
August 1899
1-Month 		3.86"
(98.04mm)		 4.34"
(110.24mm)		 -0.48"
(-12.20mm)		 51st Driest
Driest since:
 1925
78th Wettest
Wettest since:
 1939
Jul–Aug 1899
2-Month 		10.59"
(268.99mm)		 9.79"
(248.67mm)		 0.80"
(20.32mm)		 80th Driest
Driest since:
 2000
49th Wettest
Wettest since:
 1916
Jun–Aug 1899
3-Month 		13.50"
(342.90mm)		 14.07"
(357.38mm)		 -0.57"
(-14.48mm)		 59th Driest
Driest since:
 1902
70th Wettest
Wettest since:
 1916
May–Aug 1899
4-Month 		15.53"
(394.46mm)		 18.31"
(465.07mm)		 -2.78"
(-70.61mm)		 26th Driest
Driest since:
 2000
103rd Wettest
Wettest since:
 2003
Apr–Aug 1899
5-Month 		17.98"
(456.69mm)		 23.11"
(586.99mm)		 -5.13"
(-130.30mm)		 14th Driest
Driest since:
 1902
115th Wettest
Wettest since:
 2003
Mar–Aug 1899
6-Month 		24.29"
(616.97mm)		 29.28"
(743.71mm)		 -4.99"
(-126.74mm)		 19th Driest
Driest since:
 1925
110th Wettest
Wettest since:
 2021
Feb–Aug 1899
7-Month 		30.69"
(779.53mm)		 34.46"
(875.28mm)		 -3.77"
(-95.75mm)		 32nd Driest
Driest since:
 2007
97th Wettest
Wettest since:
 2003
Jan–Aug 1899
8-Month 		36.87"
(936.50mm)		 39.64"
(1,006.86mm)		 -2.77"
(-70.36mm)		 43rd Driest
Driest since:
 2007
86th Wettest
Wettest since:
 1975
Dec 1898–Aug 1899
9-Month 		40.72"
(1,034.29mm)		 44.80"
(1,137.92mm)		 -4.08"
(-103.63mm)		 35th Driest
Driest since:
 2007
93rd Wettest
Wettest since:
 1975
Nov 1898–Aug 1899
10-Month 		46.71"
(1,186.43mm)		 48.61"
(1,234.69mm)		 -1.90"
(-48.26mm)		 55th Driest
Driest since:
 2000
73rd Wettest
Wettest to Date
 1949
Oct 1898–Aug 1899
11-Month 		50.55"
(1,283.97mm)		 51.49"
(1,307.85mm)		 -0.94"
(-23.88mm)		 60th Driest
Driest since:
 2000
68th Wettest
Wettest to Date
 2020
Sep 1898–Aug 1899
12-Month 		54.01"
(1,371.85mm)		 55.27"
(1,403.86mm)		 -1.26"
(-32.01mm)		 56th Driest
Driest since:
 2000
72nd Wettest
Wettest to Date
 2003
Mar 1898–Aug 1899
18-Month 		79.68"
(2,023.87mm)		 84.71"
(2,151.63mm)		 -5.03"
(-127.76mm)		 40th Driest
Driest since:
 2007
88th Wettest
Wettest to Date
 1949
Ties: 1959
Sep 1897–Aug 1899
24-Month 		94.90"
(2,410.46mm)		 110.77"
(2,813.56mm)		 -15.87"
(-403.10mm)		 12th Driest
Driest since:
 2007
115th Wettest
Wettest since:
 1920
Sep 1896–Aug 1899
36-Month 		144.27"
(3,664.46mm)		 166.25"
(4,222.75mm)		 -21.98"
(-558.29mm)		 6th Driest
Driest since:
 2008
120th Wettest
Wettest to Date
 1975
Sep 1895–Aug 1899
48-Month 		190.04"
(4,827.02mm)		 221.53"
(5,626.86mm)		 -31.49"
(-799.84mm)		 1st Driest
Driest since:
 1899
124th Wettest
Wettest to Date
 1976

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