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 1968

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
December 1968
1-Month		2.82"
(71.63mm)		2.35"
(59.69mm)		0.47"
(11.94mm)		102nd Driest
Driest since:
1930
27th Wettest
Wettest since:
2015
Nov–Dec 1968
2-Month		5.64"
(143.26mm)		4.58"
(116.33mm)		1.06"
(26.93mm)		115th Driest
Driest since:
1976
14th Wettest
Wettest since:
2015
Oct–Dec 1968
3-Month		7.71"
(195.83mm)		6.74"
(171.20mm)		0.97"
(24.63mm)		100th Driest
Driest since:
1917
29th Wettest
Wettest since:
2015
Sep–Dec 1968
4-Month		10.02"
(254.51mm)		9.23"
(234.44mm)		0.79"
(20.07mm)		91st Driest
Driest since:
1939
38th Wettest
Wettest since:
2018
Aug–Dec 1968
5-Month		12.90"
(327.66mm)		11.85"
(300.99mm)		1.05"
(26.67mm)		96th Driest
Driest since:
1917
33rd Wettest
Wettest since:
2018
Ties: 2014
Jul–Dec 1968
6-Month		15.67"
(398.02mm)		14.62"
(371.35mm)		1.05"
(26.67mm)		93rd Driest
Driest since:
1917
36th Wettest
Wettest since:
2018
Ties: 2002
Jun–Dec 1968
7-Month		18.79"
(477.27mm)		17.55"
(445.77mm)		1.24"
(31.50mm)		98th Driest
Driest since:
1917
31st Wettest
Wettest since:
2018
Ties: 1998
May–Dec 1968
8-Month		22.12"
(561.85mm)		20.46"
(519.68mm)		1.66"
(42.17mm)		105th Driest
Driest since:
1917
24th Wettest
Wettest since:
2015
Ties: 1923
Apr–Dec 1968
9-Month		24.58"
(624.33mm)		22.98"
(583.69mm)		1.60"
(40.64mm)		101st Driest
Driest since:
1956
28th Wettest
Wettest since:
2015
Mar–Dec 1968
10-Month		26.74"
(679.20mm)		25.49"
(647.45mm)		1.25"
(31.75mm)		92nd Driest
Driest since:
1956
37th Wettest
Wettest since:
2015
Ties: 2010
Feb–Dec 1968
11-Month		28.22"
(716.79mm)		27.62"
(701.55mm)		0.60"
(15.24mm)		70th Driest
Driest since:
1910
59th Wettest
Wettest since:
2018
Ties: 1928
Jan–Dec 1968
12-Month		30.39"
(771.91mm)		29.94"
(760.48mm)		0.45"
(11.43mm)		68th Driest
Driest since:
1910
61st Wettest
Wettest since:
1973
Jul 1967–Dec 1968
18-Month		45.29"
(1,150.37mm)		44.58"
(1,132.33mm)		0.71"
(18.04mm)		69th Driest
Driest since:
1954
59th Wettest
Wettest since:
2019
Jan 1967–Dec 1968
24-Month		59.99"
(1,523.75mm)		59.90"
(1,521.46mm)		0.09"
(2.29mm)		57th Driest
Driest since:
1931
71st Wettest
Wettest since:
2019
Ties: 1903
Jan 1966–Dec 1968
36-Month		87.45"
(2,221.23mm)		89.86"
(2,282.44mm)		-2.41"
(-61.21mm)		35th Driest
Driest since:
1956
92nd Wettest
Wettest since:
2019
Jan 1965–Dec 1968
48-Month		117.25"
(2,978.15mm)		119.78"
(3,042.41mm)		-2.53"
(-64.26mm)		42nd Driest
Driest since:
1956
84th Wettest
Wettest since:
2019
Jan 1964–Dec 1968
60-Month		147.51"
(3,746.75mm)		149.68"
(3,801.87mm)		-2.17"
(-55.12mm)		40th Driest
Driest since:
1956
85th Wettest
Wettest since:
2019
Ties: 1990

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