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 2017

View Period (Months):
Download: csv json xml
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 2017
1-Month
3.25"
(82.55mm)
3.78"
(96.01mm)
-0.53"
(-13.46mm)
55th Driest
Driest since:
2019
74th Wettest
Wettest since:
1988
Ties: 1949
Aug–Sep 2017
2-Month
9.32"
(236.73mm)
8.12"
(206.25mm)
1.20"
(30.48mm)
89th Driest
Driest since:
1954
40th Wettest
Wettest since:
1939
Jul–Sep 2017
3-Month
14.38"
(365.25mm)
13.57"
(344.68mm)
0.81"
(20.57mm)
76th Driest
Driest since:
1954
53rd Wettest
Wettest since:
1916
Jun–Sep 2017
4-Month
25.08"
(637.03mm)
17.84"
(453.14mm)
7.24"
(183.89mm)
122nd Driest
Driest since:
1954
7th Wettest
Wettest since:
2021
May–Sep 2017
5-Month
32.09"
(815.09mm)
22.09"
(561.09mm)
10.00"
(254.00mm)
126th Driest
Driest since:
1954
3rd Wettest
Wettest since:
2003
Apr–Sep 2017
6-Month
36.18"
(918.97mm)
26.89"
(683.01mm)
9.29"
(235.96mm)
123rd Driest
Driest since:
1954
6th Wettest
Wettest since:
2003
Mar–Sep 2017
7-Month
40.35"
(1,024.89mm)
33.05"
(839.47mm)
7.30"
(185.42mm)
111th Driest
Driest since:
1954
18th Wettest
Wettest since:
2021
Feb–Sep 2017
8-Month
44.05"
(1,118.87mm)
38.23"
(971.04mm)
5.82"
(147.83mm)
103rd Driest
Driest since:
1954
26th Wettest
Wettest since:
1975
Jan–Sep 2017
9-Month
53.22"
(1,351.79mm)
43.41"
(1,102.61mm)
9.81"
(249.18mm)
118th Driest
Driest since:
1954
11th Wettest
Wettest since:
1975
Dec 2016–Sep 2017
10-Month
58.27"
(1,480.06mm)
48.58"
(1,233.93mm)
9.69"
(246.13mm)
114th Driest
Driest since:
2007
14th Wettest
Wettest since:
1975
Nov 2016–Sep 2017
11-Month
60.57"
(1,538.48mm)
52.38"
(1,330.45mm)
8.19"
(208.03mm)
108th Driest
Driest since:
2000
20th Wettest
Wettest since:
1975
Oct 2016–Sep 2017
12-Month
60.70"
(1,541.78mm)
55.27"
(1,403.86mm)
5.43"
(137.92mm)
98th Driest
Driest since:
2000
30th Wettest
Wettest since:
2020
Ties: 1933
Apr 2016–Sep 2017
18-Month
82.90"
(2,105.66mm)
82.32"
(2,090.93mm)
0.58"
(14.73mm)
68th Driest
Driest since:
2007
60th Wettest
Wettest since:
1975
Oct 2015–Sep 2017
24-Month
119.83"
(3,043.68mm)
110.77"
(2,813.56mm)
9.06"
(230.12mm)
99th Driest
Driest since:
2007
28th Wettest
Wettest since:
2021
Oct 2014–Sep 2017
36-Month
173.31"
(4,402.07mm)
166.30"
(4,224.02mm)
7.01"
(178.05mm)
87th Driest
Driest since:
2008
39th Wettest
Wettest since:
1975
Oct 2013–Sep 2017
48-Month
228.44"
(5,802.38mm)
221.61"
(5,628.89mm)
6.83"
(173.49mm)
86th Driest
Driest since:
1899
39th Wettest
Wettest since:
1976
Oct 2012–Sep 2017
60-Month
291.20"
(7,396.48mm)
276.82"
(7,031.23mm)
14.38"
(365.25mm)
101st Driest
Driest since:
1955
23rd Wettest
Wettest since:
1977

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