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, July 2021

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
July 2021
1-Month 		7.49"
(190.25mm)		 5.44"
(138.18mm)		 2.05"
(52.07mm)		 114th Driest
Driest since:
 1983
15th Wettest
Wettest since:
 1916
Jun–Jul 2021
2-Month 		16.22"
(411.99mm)		 9.72"
(246.89mm)		 6.50"
(165.10mm)		 125th Driest
Driest since:
 1902
4th Wettest
Wettest since:
 1916
May–Jul 2021
3-Month 		20.91"
(531.11mm)		 13.96"
(354.58mm)		 6.95"
(176.53mm)		 124th Driest
Driest since:
 1902
5th Wettest
Wettest since:
 1916
Apr–Jul 2021
4-Month 		26.46"
(672.08mm)		 18.77"
(476.76mm)		 7.69"
(195.32mm)		 123rd Driest
Driest since:
 1902
6th Wettest
Wettest since:
 2003
Mar–Jul 2021
5-Month 		34.51"
(876.55mm)		 24.93"
(633.22mm)		 9.58"
(243.33mm)		 124th Driest
Driest since:
 2007
5th Wettest
Wettest since:
 1973
Feb–Jul 2021
6-Month 		38.73"
(983.74mm)		 30.11"
(764.79mm)		 8.62"
(218.95mm)		 119th Driest
Driest since:
 2007
10th Wettest
Wettest since:
 1929
Jan–Jul 2021
7-Month 		42.45"
(1,078.23mm)		 35.29"
(896.37mm)		 7.16"
(181.86mm)		 110th Driest
Driest since:
 2007
19th Wettest
Wettest since:
 1929
Dec 2020–Jul 2021
8-Month 		46.29"
(1,175.77mm)		 40.45"
(1,027.43mm)		 5.84"
(148.34mm)		 106th Driest
Driest since:
 2007
22nd Wettest
Wettest since:
 1973
Nov 2020–Jul 2021
9-Month 		49.04"
(1,245.62mm)		 44.26"
(1,124.20mm)		 4.78"
(121.42mm)		 91st Driest
Driest since:
 1914
37th Wettest
Wettest since:
 1949
Oct 2020–Jul 2021
10-Month 		54.15"
(1,375.41mm)		 47.15"
(1,197.61mm)		 7.00"
(177.80mm)		 106th Driest
Driest since:
 1914
22nd Wettest
Wettest since:
 1949
Sep 2020–Jul 2021
11-Month 		60.15"
(1,527.81mm)		 50.93"
(1,293.62mm)		 9.22"
(234.19mm)		 113th Driest
Driest since:
 1898
15th Wettest
Wettest since:
 2003
Aug 2020–Jul 2021
12-Month 		65.93"
(1,674.62mm)		 55.28"
(1,404.11mm)		 10.65"
(270.51mm)		 114th Driest
Driest since:
 2000
14th Wettest
Wettest since:
 2003
Feb 2020–Jul 2021
18-Month 		103.68"
(2,633.47mm)		 85.61"
(2,174.49mm)		 18.07"
(458.98mm)		 125th Driest
Driest since:
 2008
3rd Wettest
Wettest since:
 1949
Aug 2019–Jul 2021
24-Month 		133.48"
(3,390.39mm)		 110.79"
(2,814.07mm)		 22.69"
(576.32mm)		 124th Driest
Driest since:
 1898
3rd Wettest
Wettest since:
 1920
Aug 2018–Jul 2021
36-Month 		197.59"
(5,018.79mm)		 166.31"
(4,224.27mm)		 31.28"
(794.52mm)		 125th Driest
Driest since:
 2008
1st Wettest
Wettest to Date
 2021
Aug 2017–Jul 2021
48-Month 		252.11"
(6,403.59mm)		 221.62"
(5,629.15mm)		 30.49"
(774.44mm)		 121st Driest
Driest since:
 1899
4th Wettest
Wettest since:
 1976
Aug 2016–Jul 2021
60-Month 		309.79"
(7,868.67mm)		 276.77"
(7,029.96mm)		 33.02"
(838.71mm)		 118th Driest
Driest since:
 1956
6th Wettest
Wettest since:
 1976

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