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, August 1901

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1901
1-Month
9.12"
(231.65mm)
4.34"
(110.24mm)
4.78"
(121.41mm)
127th Driest
Driest since:
1925
2nd Wettest
Wettest to Date
1939
Jul–Aug 1901
2-Month
12.61"
(320.29mm)
9.79"
(248.67mm)
2.82"
(71.62mm)
113th Driest
Driest since:
2000
16th Wettest
Wettest since:
1916
Ties: 1936
Jun–Aug 1901
3-Month
15.86"
(402.84mm)
14.07"
(357.38mm)
1.79"
(45.46mm)
91st Driest
Driest since:
1902
38th Wettest
Wettest since:
1916
May–Aug 1901
4-Month
21.16"
(537.46mm)
18.31"
(465.07mm)
2.85"
(72.39mm)
101st Driest
Driest since:
2000
28th Wettest
Wettest to Date
2003
Apr–Aug 1901
5-Month
26.35"
(669.29mm)
23.11"
(586.99mm)
3.24"
(82.30mm)
98th Driest
Driest since:
1902
31st Wettest
Wettest since:
2003
Mar–Aug 1901
6-Month
32.69"
(830.33mm)
29.28"
(743.71mm)
3.41"
(86.62mm)
95th Driest
Driest since:
1925
34th Wettest
Wettest since:
2021
Feb–Aug 1901
7-Month
37.14"
(943.36mm)
34.46"
(875.28mm)
2.68"
(68.08mm)
90th Driest
Driest since:
2007
39th Wettest
Wettest since:
2003
Jan–Aug 1901
8-Month
42.11"
(1,069.59mm)
39.64"
(1,006.86mm)
2.47"
(62.73mm)
85th Driest
Driest since:
2007
44th Wettest
Wettest since:
1975
Dec 1900–Aug 1901
9-Month
47.21"
(1,199.13mm)
44.80"
(1,137.92mm)
2.41"
(61.21mm)
78th Driest
Driest since:
2007
50th Wettest
Wettest since:
1975
Nov 1900–Aug 1901
10-Month
50.54"
(1,283.72mm)
48.61"
(1,234.69mm)
1.93"
(49.03mm)
75th Driest
Driest since:
2000
53rd Wettest
Wettest since:
1949
Ties: 1982
Oct 1900–Aug 1901
11-Month
56.33"
(1,430.78mm)
51.49"
(1,307.85mm)
4.84"
(122.93mm)
90th Driest
Driest since:
2000
38th Wettest
Wettest since:
2020
Sep 1900–Aug 1901
12-Month
60.39"
(1,533.91mm)
55.27"
(1,403.86mm)
5.12"
(130.05mm)
95th Driest
Driest since:
2000
33rd Wettest
Wettest to Date
2003
Mar 1900–Aug 1901
18-Month
95.84"
(2,434.34mm)
84.71"
(2,151.63mm)
11.13"
(282.71mm)
112th Driest
Driest since:
2007
16th Wettest
Wettest to Date
1949
Sep 1899–Aug 1901
24-Month
119.48"
(3,034.79mm)
110.77"
(2,813.56mm)
8.71"
(221.23mm)
99th Driest
Driest since:
2007
28th Wettest
Wettest to Date
1920
Sep 1898–Aug 1901
36-Month
173.49"
(4,406.65mm)
166.25"
(4,222.75mm)
7.24"
(183.90mm)
91st Driest
Driest since:
2008
35th Wettest
Wettest to Date
1975
Sep 1897–Aug 1901
48-Month
214.38"
(5,445.25mm)
221.53"
(5,626.86mm)
-7.15"
(-181.61mm)
39th Driest
Driest since:
1899
86th Wettest
Wettest to Date
1976
Sep 1896–Aug 1901
60-Month
263.75"
(6,699.25mm)
276.69"
(7,027.93mm)
-12.94"
(-328.68mm)
31st Driest
Driest since:
1955
93rd Wettest
Wettest to Date
1977

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