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 1913

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1913
1-Month 		6.61"
(167.89mm)		 3.78"
(96.01mm)		 2.83"
(71.88mm)		 117th Driest
Driest since:
 2019
12th Wettest
Wettest since:
 1988
Aug–Sep 1913
2-Month 		9.21"
(233.93mm)		 8.12"
(206.25mm)		 1.09"
(27.68mm)		 85th Driest
Driest since:
 1954
44th Wettest
Wettest since:
 1939
Jul–Sep 1913
3-Month 		14.43"
(366.52mm)		 13.57"
(344.68mm)		 0.86"
(21.84mm)		 77th Driest
Driest since:
 1954
52nd Wettest
Wettest since:
 1916
Jun–Sep 1913
4-Month 		18.15"
(461.01mm)		 17.84"
(453.14mm)		 0.31"
(7.87mm)		 69th Driest
Driest since:
 1954
60th Wettest
Wettest since:
 2021
May–Sep 1913
5-Month 		21.63"
(549.40mm)		 22.09"
(561.09mm)		 -0.46"
(-11.69mm)		 62nd Driest
Driest since:
 1954
67th Wettest
Wettest since:
 2003
Ties: 1944
Apr–Sep 1913
6-Month 		24.13"
(612.90mm)		 26.89"
(683.01mm)		 -2.76"
(-70.11mm)		 34th Driest
Driest since:
 1954
95th Wettest
Wettest since:
 2003
Mar–Sep 1913
7-Month 		33.35"
(847.09mm)		 33.05"
(839.47mm)		 0.30"
(7.62mm)		 69th Driest
Driest since:
 1954
60th Wettest
Wettest since:
 2021
Feb–Sep 1913
8-Month 		39.05"
(991.87mm)		 38.23"
(971.04mm)		 0.82"
(20.83mm)		 75th Driest
Driest since:
 1954
54th Wettest
Wettest since:
 1975
Jan–Sep 1913
9-Month 		45.30"
(1,150.62mm)		 43.41"
(1,102.61mm)		 1.89"
(48.01mm)		 79th Driest
Driest since:
 1954
50th Wettest
Wettest since:
 1975
Dec 1912–Sep 1913
10-Month 		51.93"
(1,319.02mm)		 48.58"
(1,233.93mm)		 3.35"
(85.09mm)		 86th Driest
Driest since:
 2007
42nd Wettest
Wettest since:
 1975
Nov 1912–Sep 1913
11-Month 		54.04"
(1,372.62mm)		 52.38"
(1,330.45mm)		 1.66"
(42.17mm)		 74th Driest
Driest since:
 2000
54th Wettest
Wettest since:
 1975
Oct 1912–Sep 1913
12-Month 		56.80"
(1,442.72mm)		 55.27"
(1,403.86mm)		 1.53"
(38.86mm)		 74th Driest
Driest since:
 2000
54th Wettest
Wettest since:
 2020
Apr 1912–Sep 1913
18-Month 		91.55"
(2,325.37mm)		 82.32"
(2,090.93mm)		 9.23"
(234.44mm)		 101st Driest
Driest since:
 2007
27th Wettest
Wettest since:
 1975
Oct 1911–Sep 1913
24-Month 		127.56"
(3,240.02mm)		 110.77"
(2,813.56mm)		 16.79"
(426.46mm)		 119th Driest
Driest since:
 2007
8th Wettest
Wettest to Date
 2021
Oct 1910–Sep 1913
36-Month 		174.97"
(4,444.24mm)		 166.30"
(4,224.02mm)		 8.67"
(220.22mm)		 95th Driest
Driest since:
 2008
31st Wettest
Wettest to Date
 1975
Oct 1909–Sep 1913
48-Month 		220.48"
(5,600.19mm)		 221.61"
(5,628.89mm)		 -1.13"
(-28.70mm)		 58th Driest
Driest since:
 1899
67th Wettest
Wettest since:
 1976
Oct 1908–Sep 1913
60-Month 		278.60"
(7,076.44mm)		 276.82"
(7,031.23mm)		 1.78"
(45.21mm)		 67th Driest
Driest since:
 1955
57th Wettest
Wettest since:
 1977

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