National Rankings

National Data Info
Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Precipitation Rankings, December 1907

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
December 1907
1-Month
2.69"
(68.33mm)
2.35"
(59.69mm)
0.34"
(8.64mm)
92nd Driest
Driest since:
1930
37th Wettest
Wettest since:
2015
Ties: 1961, 1990
Nov–Dec 1907
2-Month
4.94"
(125.48mm)
4.58"
(116.33mm)
0.36"
(9.15mm)
91st Driest
Driest since:
1976
38th Wettest
Wettest since:
2015
Ties: 1932, 1945, 1986, 2002
Oct–Dec 1907
3-Month
6.97"
(177.04mm)
6.74"
(171.20mm)
0.23"
(5.84mm)
72nd Driest
Driest since:
1917
57th Wettest
Wettest since:
2015
Ties: 2008
Sep–Dec 1907
4-Month
9.48"
(240.79mm)
9.23"
(234.44mm)
0.25"
(6.35mm)
70th Driest
Driest since:
1939
59th Wettest
Wettest since:
2018
Ties: 1934
Aug–Dec 1907
5-Month
12.03"
(305.56mm)
11.85"
(300.99mm)
0.18"
(4.57mm)
70th Driest
Driest since:
1917
59th Wettest
Wettest since:
2018
Jul–Dec 1907
6-Month
15.03"
(381.76mm)
14.62"
(371.35mm)
0.41"
(10.41mm)
72nd Driest
Driest since:
1917
57th Wettest
Wettest since:
2018
Ties: 1932, 1950
Jun–Dec 1907
7-Month
18.15"
(461.01mm)
17.55"
(445.77mm)
0.60"
(15.24mm)
74th Driest
Driest since:
1917
55th Wettest
Wettest since:
2018
May–Dec 1907
8-Month
21.60"
(548.64mm)
20.46"
(519.68mm)
1.14"
(28.96mm)
88th Driest
Driest since:
1917
41st Wettest
Wettest since:
2015
Apr–Dec 1907
9-Month
23.92"
(607.57mm)
22.98"
(583.69mm)
0.94"
(23.88mm)
80th Driest
Driest since:
1956
49th Wettest
Wettest since:
2015
Ties: 1959
Mar–Dec 1907
10-Month
26.37"
(669.80mm)
25.49"
(647.45mm)
0.88"
(22.35mm)
77th Driest
Driest since:
1956
52nd Wettest
Wettest since:
2015
Ties: 1900
Feb–Dec 1907
11-Month
28.19"
(716.03mm)
27.62"
(701.55mm)
0.57"
(14.48mm)
68th Driest
Driest since:
1910
61st Wettest
Wettest since:
2018
Jan–Dec 1907
12-Month
30.94"
(785.88mm)
29.94"
(760.48mm)
1.00"
(25.40mm)
87th Driest
Driest since:
1910
42nd Wettest
Wettest since:
1973
Ties: 1926
Jul 1906–Dec 1907
18-Month
47.99"
(1,218.95mm)
44.58"
(1,132.33mm)
3.41"
(86.62mm)
106th Driest
Driest since:
1954
22nd Wettest
Wettest since:
2019
Jan 1906–Dec 1907
24-Month
63.78"
(1,620.01mm)
59.90"
(1,521.46mm)
3.88"
(98.55mm)
108th Driest
Driest since:
1931
20th Wettest
Wettest since:
2019
Jan 1905–Dec 1907
36-Month
96.38"
(2,448.05mm)
89.86"
(2,282.44mm)
6.52"
(165.61mm)
112th Driest
Driest since:
1956
15th Wettest
Wettest to Date
2019
Jan 1904–Dec 1907
48-Month
124.33"
(3,157.98mm)
119.78"
(3,042.41mm)
4.55"
(115.57mm)
99th Driest
Driest since:
1956
27th Wettest
Wettest to Date
2019
Jan 1903–Dec 1907
60-Month
153.69"
(3,903.73mm)
149.68"
(3,801.87mm)
4.01"
(101.86mm)
89th Driest
Driest since:
1956
36th Wettest
Wettest to Date
2019

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