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 2012

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 2012
1-Month 		5.35"
(135.89mm)		 3.78"
(96.01mm)		 1.57"
(39.88mm)		 106th Driest
Driest since:
 2019
23rd Wettest
Wettest since:
 1988
Aug–Sep 2012
2-Month 		11.42"
(290.07mm)		 8.12"
(206.25mm)		 3.30"
(83.82mm)		 115th Driest
Driest since:
 1954
14th Wettest
Wettest since:
 1939
Jul–Sep 2012
3-Month 		17.17"
(436.12mm)		 13.57"
(344.68mm)		 3.60"
(91.44mm)		 114th Driest
Driest since:
 1954
15th Wettest
Wettest since:
 1916
Jun–Sep 2012
4-Month 		21.17"
(537.72mm)		 17.84"
(453.14mm)		 3.33"
(84.58mm)		 104th Driest
Driest since:
 1954
25th Wettest
Wettest since:
 2021
May–Sep 2012
5-Month 		25.33"
(643.38mm)		 22.09"
(561.09mm)		 3.24"
(82.29mm)		 100th Driest
Driest since:
 1954
29th Wettest
Wettest since:
 2003
Apr–Sep 2012
6-Month 		27.22"
(691.39mm)		 26.89"
(683.01mm)		 0.33"
(8.38mm)		 69th Driest
Driest since:
 1954
60th Wettest
Wettest since:
 2003
Mar–Sep 2012
7-Month 		32.57"
(827.28mm)		 33.05"
(839.47mm)		 -0.48"
(-12.19mm)		 60th Driest
Driest since:
 1954
69th Wettest
Wettest since:
 2021
Feb–Sep 2012
8-Month 		37.06"
(941.32mm)		 38.23"
(971.04mm)		 -1.17"
(-29.72mm)		 57th Driest
Driest since:
 1954
72nd Wettest
Wettest since:
 1975
Jan–Sep 2012
9-Month 		42.50"
(1,079.50mm)		 43.41"
(1,102.61mm)		 -0.91"
(-23.11mm)		 62nd Driest
Driest since:
 1954
67th Wettest
Wettest since:
 1975
Dec 2011–Sep 2012
10-Month 		47.54"
(1,207.52mm)		 48.58"
(1,233.93mm)		 -1.04"
(-26.41mm)		 57th Driest
Driest since:
 2007
71st Wettest
Wettest since:
 1975
Nov 2011–Sep 2012
11-Month 		51.67"
(1,312.42mm)		 52.38"
(1,330.45mm)		 -0.71"
(-18.03mm)		 59th Driest
Driest since:
 2000
69th Wettest
Wettest since:
 1975
Oct 2011–Sep 2012
12-Month 		52.46"
(1,332.48mm)		 55.27"
(1,403.86mm)		 -2.81"
(-71.38mm)		 46th Driest
Driest since:
 2000
82nd Wettest
Wettest since:
 2020
Apr 2011–Sep 2012
18-Month 		77.51"
(1,968.75mm)		 82.32"
(2,090.93mm)		 -4.81"
(-122.18mm)		 40th Driest
Driest since:
 2007
88th Wettest
Wettest since:
 1975
Oct 2010–Sep 2012
24-Month 		102.73"
(2,609.34mm)		 110.77"
(2,813.56mm)		 -8.04"
(-204.22mm)		 30th Driest
Driest since:
 2007
97th Wettest
Wettest since:
 2021
Oct 2009–Sep 2012
36-Month 		162.60"
(4,130.04mm)		 166.30"
(4,224.02mm)		 -3.70"
(-93.98mm)		 45th Driest
Driest since:
 2008
81st Wettest
Wettest since:
 1975
Oct 2008–Sep 2012
48-Month 		227.12"
(5,768.85mm)		 221.61"
(5,628.89mm)		 5.51"
(139.96mm)		 83rd Driest
Driest since:
 1899
42nd Wettest
Wettest since:
 1976
Oct 2007–Sep 2012
60-Month 		278.16"
(7,065.26mm)		 276.82"
(7,031.23mm)		 1.34"
(34.03mm)		 65th Driest
Driest since:
 1955
59th Wettest
Wettest since:
 1977
Ties: 1916

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