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 1908

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
December 1908
1-Month		1.73"
(43.94mm)		2.35"
(59.69mm)		-0.62"
(-15.75mm)		20th Driest
Driest since:
1930
109th Wettest
Wettest since:
2015
Ties: 1999
Nov–Dec 1908
2-Month		3.40"
(86.36mm)		4.58"
(116.33mm)		-1.18"
(-29.97mm)		12th Driest
Driest since:
1976
117th Wettest
Wettest since:
2015
Oct–Dec 1908
3-Month		5.43"
(137.92mm)		6.74"
(171.20mm)		-1.31"
(-33.28mm)		16th Driest
Driest since:
1917
113th Wettest
Wettest since:
2015
Ties: 1935
Sep–Dec 1908
4-Month		7.26"
(184.40mm)		9.23"
(234.44mm)		-1.97"
(-50.04mm)		8th Driest
Driest since:
1939
121st Wettest
Wettest since:
2018
Ties: 1999
Aug–Dec 1908
5-Month		10.14"
(257.56mm)		11.85"
(300.99mm)		-1.71"
(-43.43mm)		14th Driest
Driest since:
1917
115th Wettest
Wettest since:
2018
Jul–Dec 1908
6-Month		13.15"
(334.01mm)		14.62"
(371.35mm)		-1.47"
(-37.34mm)		21st Driest
Driest since:
1917
108th Wettest
Wettest since:
2018
Jun–Dec 1908
7-Month		16.17"
(410.72mm)		17.55"
(445.77mm)		-1.38"
(-35.05mm)		25th Driest
Driest since:
1917
104th Wettest
Wettest since:
2018
May–Dec 1908
8-Month		20.30"
(515.62mm)		20.46"
(519.68mm)		-0.16"
(-4.06mm)		54th Driest
Driest since:
1917
75th Wettest
Wettest since:
2015
Apr–Dec 1908
9-Month		22.99"
(583.95mm)		22.98"
(583.69mm)		0.01"
(0.26mm)		56th Driest
Driest since:
1956
73rd Wettest
Wettest since:
2015
Mar–Dec 1908
10-Month		25.17"
(639.32mm)		25.49"
(647.45mm)		-0.32"
(-8.13mm)		46th Driest
Driest since:
1956
83rd Wettest
Wettest since:
2015
Ties: 2020
Feb–Dec 1908
11-Month		27.98"
(710.69mm)		27.62"
(701.55mm)		0.36"
(9.14mm)		67th Driest
Driest since:
1910
62nd Wettest
Wettest since:
2018
Jan–Dec 1908
12-Month		29.80"
(756.92mm)		29.94"
(760.48mm)		-0.14"
(-3.56mm)		52nd Driest
Driest since:
1910
77th Wettest
Wettest since:
1973
Ties: 1965
Jul 1907–Dec 1908
18-Month		44.83"
(1,138.68mm)		44.58"
(1,132.33mm)		0.25"
(6.35mm)		63rd Driest
Driest since:
1954
65th Wettest
Wettest since:
2019
Jan 1907–Dec 1908
24-Month		60.74"
(1,542.80mm)		59.90"
(1,521.46mm)		0.84"
(21.34mm)		74th Driest
Driest since:
1931
54th Wettest
Wettest since:
2019
Jan 1906–Dec 1908
36-Month		93.58"
(2,376.93mm)		89.86"
(2,282.44mm)		3.72"
(94.49mm)		97th Driest
Driest since:
1956
30th Wettest
Wettest since:
2019
Jan 1905–Dec 1908
48-Month		126.18"
(3,204.97mm)		119.78"
(3,042.41mm)		6.40"
(162.56mm)		105th Driest
Driest since:
1956
21st Wettest
Wettest to Date
2019
Jan 1904–Dec 1908
60-Month		154.13"
(3,914.90mm)		149.68"
(3,801.87mm)		4.45"
(113.03mm)		92nd Driest
Driest since:
1956
33rd Wettest
Wettest to Date
2019
Ties: 2015

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