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 1970

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
September 1970
1-Month
1.86"
(47.24mm)
3.78"
(96.01mm)
-1.92"
(-48.77mm)
21st Driest
Driest since:
2019
108th Wettest
Wettest since:
1988
Aug–Sep 1970
2-Month
8.10"
(205.74mm)
8.12"
(206.25mm)
-0.02"
(-0.51mm)
68th Driest
Driest since:
1954
61st Wettest
Wettest since:
1939
Jul–Sep 1970
3-Month
12.15"
(308.61mm)
13.57"
(344.68mm)
-1.42"
(-36.07mm)
50th Driest
Driest since:
1954
79th Wettest
Wettest since:
1916
Jun–Sep 1970
4-Month
18.06"
(458.72mm)
17.84"
(453.14mm)
0.22"
(5.58mm)
66th Driest
Driest since:
1954
63rd Wettest
Wettest since:
2021
May–Sep 1970
5-Month
21.23"
(539.24mm)
22.09"
(561.09mm)
-0.86"
(-21.85mm)
57th Driest
Driest since:
1954
72nd Wettest
Wettest since:
2003
Apr–Sep 1970
6-Month
25.97"
(659.64mm)
26.89"
(683.01mm)
-0.92"
(-23.37mm)
54th Driest
Driest since:
1954
75th Wettest
Wettest since:
2003
Mar–Sep 1970
7-Month
33.70"
(855.98mm)
33.05"
(839.47mm)
0.65"
(16.51mm)
72nd Driest
Driest since:
1954
57th Wettest
Wettest since:
2021
Feb–Sep 1970
8-Month
37.45"
(951.23mm)
38.23"
(971.04mm)
-0.78"
(-19.81mm)
58th Driest
Driest since:
1954
71st Wettest
Wettest since:
1975
Jan–Sep 1970
9-Month
40.64"
(1,032.26mm)
43.41"
(1,102.61mm)
-2.77"
(-70.35mm)
49th Driest
Driest since:
1954
80th Wettest
Wettest since:
1975
Dec 1969–Sep 1970
10-Month
47.08"
(1,195.83mm)
48.58"
(1,233.93mm)
-1.50"
(-38.10mm)
55th Driest
Driest since:
2007
73rd Wettest
Wettest since:
1975
Nov 1969–Sep 1970
11-Month
48.98"
(1,244.09mm)
52.38"
(1,330.45mm)
-3.40"
(-86.36mm)
45th Driest
Driest since:
2000
83rd Wettest
Wettest since:
1975
Oct 1969–Sep 1970
12-Month
51.56"
(1,309.62mm)
55.27"
(1,403.86mm)
-3.71"
(-94.24mm)
43rd Driest
Driest since:
2000
85th Wettest
Wettest since:
2020
Apr 1969–Sep 1970
18-Month
80.25"
(2,038.35mm)
82.32"
(2,090.93mm)
-2.07"
(-52.58mm)
53rd Driest
Driest since:
2007
75th Wettest
Wettest since:
1975
Oct 1968–Sep 1970
24-Month
105.69"
(2,684.53mm)
110.77"
(2,813.56mm)
-5.08"
(-129.03mm)
40th Driest
Driest since:
2007
87th Wettest
Wettest since:
2021
Oct 1967–Sep 1970
36-Month
154.50"
(3,924.30mm)
166.30"
(4,224.02mm)
-11.80"
(-299.72mm)
29th Driest
Driest since:
2008
97th Wettest
Wettest since:
1975
Oct 1966–Sep 1970
48-Month
206.41"
(5,242.81mm)
221.61"
(5,628.89mm)
-15.20"
(-386.08mm)
18th Driest
Driest since:
1899
107th Wettest
Wettest since:
1976
Oct 1965–Sep 1970
60-Month
257.91"
(6,550.91mm)
276.82"
(7,031.23mm)
-18.91"
(-480.32mm)
13th Driest
Driest since:
1955
111th Wettest
Wettest since:
1977

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