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, September 2009

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 2009
1-Month 		7.57"
(192.28mm)		 3.78"
(96.01mm)		 3.79"
(96.27mm)		 124th Driest
Driest since:
 2019
5th Wettest
Wettest since:
 1988
Ties: 2002
Aug–Sep 2009
2-Month 		13.06"
(331.72mm)		 8.12"
(206.25mm)		 4.94"
(125.47mm)		 126th Driest
Driest since:
 1954
3rd Wettest
Wettest since:
 1939
Jul–Sep 2009
3-Month 		18.65"
(473.71mm)		 13.57"
(344.68mm)		 5.08"
(129.03mm)		 121st Driest
Driest since:
 1954
8th Wettest
Wettest since:
 1916
Jun–Sep 2009
4-Month 		21.36"
(542.54mm)		 17.84"
(453.14mm)		 3.52"
(89.40mm)		 106th Driest
Driest since:
 1954
23rd Wettest
Wettest since:
 2021
May–Sep 2009
5-Month 		29.87"
(758.70mm)		 22.09"
(561.09mm)		 7.78"
(197.61mm)		 120th Driest
Driest since:
 1954
9th Wettest
Wettest since:
 2003
Apr–Sep 2009
6-Month 		34.32"
(871.73mm)		 26.89"
(683.01mm)		 7.43"
(188.72mm)		 118th Driest
Driest since:
 1954
11th Wettest
Wettest since:
 2003
Mar–Sep 2009
7-Month 		43.30"
(1,099.82mm)		 33.05"
(839.47mm)		 10.25"
(260.35mm)		 122nd Driest
Driest since:
 1954
7th Wettest
Wettest since:
 2021
Feb–Sep 2009
8-Month 		47.15"
(1,197.61mm)		 38.23"
(971.04mm)		 8.92"
(226.57mm)		 114th Driest
Driest since:
 1954
15th Wettest
Wettest since:
 1975
Jan–Sep 2009
9-Month 		51.57"
(1,309.88mm)		 43.41"
(1,102.61mm)		 8.16"
(207.27mm)		 110th Driest
Driest since:
 1954
19th Wettest
Wettest since:
 1975
Dec 2008–Sep 2009
10-Month 		58.35"
(1,482.09mm)		 48.58"
(1,233.93mm)		 9.77"
(248.16mm)		 115th Driest
Driest since:
 2007
13th Wettest
Wettest since:
 1975
Nov 2008–Sep 2009
11-Month 		61.50"
(1,562.10mm)		 52.38"
(1,330.45mm)		 9.12"
(231.65mm)		 114th Driest
Driest since:
 2000
14th Wettest
Wettest since:
 1975
Oct 2008–Sep 2009
12-Month 		64.52"
(1,638.81mm)		 55.27"
(1,403.86mm)		 9.25"
(234.95mm)		 111th Driest
Driest since:
 2000
17th Wettest
Wettest since:
 2020
Apr 2008–Sep 2009
18-Month 		90.75"
(2,305.05mm)		 82.32"
(2,090.93mm)		 8.43"
(214.12mm)		 99th Driest
Driest since:
 2007
29th Wettest
Wettest since:
 1975
Oct 2007–Sep 2009
24-Month 		115.56"
(2,935.22mm)		 110.77"
(2,813.56mm)		 4.79"
(121.66mm)		 82nd Driest
Driest since:
 2007
45th Wettest
Wettest since:
 2021
Oct 2006–Sep 2009
36-Month 		156.53"
(3,975.86mm)		 166.30"
(4,224.02mm)		 -9.77"
(-248.16mm)		 33rd Driest
Driest since:
 2008
93rd Wettest
Wettest since:
 1975
Oct 2005–Sep 2009
48-Month 		198.19"
(5,034.03mm)		 221.61"
(5,628.89mm)		 -23.42"
(-594.86mm)		 7th Driest
Driest since:
 1899
118th Wettest
Wettest since:
 1976
Oct 2004–Sep 2009
60-Month 		263.95"
(6,704.33mm)		 276.82"
(7,031.23mm)		 -12.87"
(-326.90mm)		 29th Driest
Driest since:
 1955
95th Wettest
Wettest since:
 1977

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