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 1901

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
September 1901
1-Month		4.49"
(114.05mm)		3.78"
(96.01mm)		0.71"
(18.04mm)		90th Driest
Driest since:
2019
39th Wettest
Wettest to Date
1988
Aug–Sep 1901
2-Month		13.61"
(345.69mm)		8.12"
(206.25mm)		5.49"
(139.44mm)		127th Driest
Driest since:
1954
2nd Wettest
Wettest to Date
1939
Jul–Sep 1901
3-Month		17.10"
(434.34mm)		13.57"
(344.68mm)		3.53"
(89.66mm)		112th Driest
Driest since:
1954
17th Wettest
Wettest to Date
1916
Jun–Sep 1901
4-Month		20.35"
(516.89mm)		17.84"
(453.14mm)		2.51"
(63.75mm)		94th Driest
Driest since:
1954
35th Wettest
Wettest since:
2021
May–Sep 1901
5-Month		25.65"
(651.51mm)		22.09"
(561.09mm)		3.56"
(90.42mm)		102nd Driest
Driest since:
1954
27th Wettest
Wettest to Date
2003
Apr–Sep 1901
6-Month		30.84"
(783.34mm)		26.89"
(683.01mm)		3.95"
(100.33mm)		100th Driest
Driest since:
1954
29th Wettest
Wettest since:
2003
Ties: 1997
Mar–Sep 1901
7-Month		37.18"
(944.37mm)		33.05"
(839.47mm)		4.13"
(104.90mm)		100th Driest
Driest since:
1954
29th Wettest
Wettest since:
2021
Feb–Sep 1901
8-Month		41.63"
(1,057.40mm)		38.23"
(971.04mm)		3.40"
(86.36mm)		93rd Driest
Driest since:
1954
36th Wettest
Wettest since:
1975
Jan–Sep 1901
9-Month		46.60"
(1,183.64mm)		43.41"
(1,102.61mm)		3.19"
(81.03mm)		88th Driest
Driest since:
1954
41st Wettest
Wettest since:
1975
Dec 1900–Sep 1901
10-Month		51.70"
(1,313.18mm)		48.58"
(1,233.93mm)		3.12"
(79.25mm)		84th Driest
Driest since:
2007
44th Wettest
Wettest since:
1975
Nov 1900–Sep 1901
11-Month		55.03"
(1,397.76mm)		52.38"
(1,330.45mm)		2.65"
(67.31mm)		82nd Driest
Driest since:
2000
46th Wettest
Wettest since:
1975
Oct 1900–Sep 1901
12-Month		60.82"
(1,544.83mm)		55.27"
(1,403.86mm)		5.55"
(140.97mm)		99th Driest
Driest since:
2000
29th Wettest
Wettest since:
2020
Apr 1900–Sep 1901
18-Month		94.37"
(2,397.00mm)		82.32"
(2,090.93mm)		12.05"
(306.07mm)		108th Driest
Driest since:
2007
20th Wettest
Wettest to Date
1975
Oct 1899–Sep 1901
24-Month		123.44"
(3,135.38mm)		110.77"
(2,813.56mm)		12.67"
(321.82mm)		107th Driest
Driest since:
2007
20th Wettest
Wettest to Date
2021
Oct 1898–Sep 1901
36-Month		174.52"
(4,432.81mm)		166.30"
(4,224.02mm)		8.22"
(208.79mm)		92nd Driest
Driest since:
2008
34th Wettest
Wettest to Date
1975
Oct 1897–Sep 1901
48-Month		218.12"
(5,540.25mm)		221.61"
(5,628.89mm)		-3.49"
(-88.64mm)		48th Driest
Driest since:
1899
77th Wettest
Wettest to Date
1976
Oct 1896–Sep 1901
60-Month		266.44"
(6,767.58mm)		276.82"
(7,031.23mm)		-10.38"
(-263.65mm)		35th Driest
Driest since:
1955
89th Wettest
Wettest to Date
1977

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