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 1977

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
August 1977
1-Month 		4.27"
(108.46mm)		 4.34"
(110.24mm)		 -0.07"
(-1.78mm)		 62nd Driest
Driest since:
 1925
67th Wettest
Wettest since:
 1939
Jul–Aug 1977
2-Month 		9.36"
(237.74mm)		 9.79"
(248.67mm)		 -0.43"
(-10.93mm)		 57th Driest
Driest since:
 2000
72nd Wettest
Wettest since:
 1916
Jun–Aug 1977
3-Month 		11.99"
(304.55mm)		 14.07"
(357.38mm)		 -2.08"
(-52.83mm)		 31st Driest
Driest since:
 1902
98th Wettest
Wettest since:
 1916
May–Aug 1977
4-Month 		14.12"
(358.65mm)		 18.31"
(465.07mm)		 -4.19"
(-106.42mm)		 14th Driest
Driest since:
 2000
115th Wettest
Wettest since:
 2003
Apr–Aug 1977
5-Month 		18.44"
(468.38mm)		 23.11"
(586.99mm)		 -4.67"
(-118.61mm)		 19th Driest
Driest since:
 1902
110th Wettest
Wettest since:
 2003
Mar–Aug 1977
6-Month 		28.30"
(718.82mm)		 29.28"
(743.71mm)		 -0.98"
(-24.89mm)		 58th Driest
Driest since:
 1925
71st Wettest
Wettest since:
 2021
Feb–Aug 1977
7-Month 		31.86"
(809.24mm)		 34.46"
(875.28mm)		 -2.60"
(-66.04mm)		 44th Driest
Driest since:
 2007
85th Wettest
Wettest since:
 2003
Jan–Aug 1977
8-Month 		36.81"
(934.97mm)		 39.64"
(1,006.86mm)		 -2.83"
(-71.89mm)		 42nd Driest
Driest since:
 2007
87th Wettest
Wettest since:
 1975
Dec 1976–Aug 1977
9-Month 		41.47"
(1,053.34mm)		 44.80"
(1,137.92mm)		 -3.33"
(-84.58mm)		 42nd Driest
Driest since:
 2007
86th Wettest
Wettest since:
 1975
Nov 1976–Aug 1977
10-Month 		45.88"
(1,165.35mm)		 48.61"
(1,234.69mm)		 -2.73"
(-69.34mm)		 46th Driest
Driest since:
 2000
82nd Wettest
Wettest since:
 1949
Oct 1976–Aug 1977
11-Month 		49.54"
(1,258.32mm)		 51.49"
(1,307.85mm)		 -1.95"
(-49.53mm)		 50th Driest
Driest since:
 2000
78th Wettest
Wettest since:
 2020
Sep 1976–Aug 1977
12-Month 		53.28"
(1,353.31mm)		 55.27"
(1,403.86mm)		 -1.99"
(-50.55mm)		 52nd Driest
Driest since:
 2000
76th Wettest
Wettest since:
 2003
Ties: 2015
Mar 1976–Aug 1977
18-Month 		85.70"
(2,176.78mm)		 84.71"
(2,151.63mm)		 0.99"
(25.15mm)		 67th Driest
Driest since:
 2007
61st Wettest
Wettest since:
 1949
Sep 1975–Aug 1977
24-Month 		114.06"
(2,897.12mm)		 110.77"
(2,813.56mm)		 3.29"
(83.56mm)		 78th Driest
Driest since:
 2007
49th Wettest
Wettest since:
 1920
Sep 1974–Aug 1977
36-Month 		185.18"
(4,703.57mm)		 166.25"
(4,222.75mm)		 18.93"
(480.82mm)		 114th Driest
Driest since:
 2008
12th Wettest
Wettest since:
 1975
Sep 1973–Aug 1977
48-Month 		245.26"
(6,229.60mm)		 221.53"
(5,626.86mm)		 23.73"
(602.74mm)		 119th Driest
Driest since:
 1899
6th Wettest
Wettest since:
 1976
Sep 1972–Aug 1977
60-Month 		314.74"
(7,994.40mm)		 276.69"
(7,027.93mm)		 38.05"
(966.47mm)		 123rd Driest
Driest since:
 1955
1st Wettest
Wettest to Date
 1977

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