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 1972

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
December 1972
1-Month		3.02"
(76.71mm)		2.35"
(59.69mm)		0.67"
(17.02mm)		116th Driest
Driest since:
1930
13th Wettest
Wettest since:
2015
Nov–Dec 1972
2-Month		6.07"
(154.18mm)		4.58"
(116.33mm)		1.49"
(37.85mm)		123rd Driest
Driest since:
1976
6th Wettest
Wettest to Date
2015
Oct–Dec 1972
3-Month		8.82"
(224.03mm)		6.74"
(171.20mm)		2.08"
(52.83mm)		122nd Driest
Driest since:
1917
7th Wettest
Wettest to Date
2015
Sep–Dec 1972
4-Month		11.56"
(293.62mm)		9.23"
(234.44mm)		2.33"
(59.18mm)		123rd Driest
Driest since:
1939
6th Wettest
Wettest to Date
2018
Aug–Dec 1972
5-Month		14.20"
(360.68mm)		11.85"
(300.99mm)		2.35"
(59.69mm)		119th Driest
Driest since:
1917
10th Wettest
Wettest since:
2018
Jul–Dec 1972
6-Month		17.13"
(435.10mm)		14.62"
(371.35mm)		2.51"
(63.75mm)		121st Driest
Driest since:
1917
8th Wettest
Wettest since:
2018
Jun–Dec 1972
7-Month		20.23"
(513.84mm)		17.55"
(445.77mm)		2.68"
(68.07mm)		121st Driest
Driest since:
1917
8th Wettest
Wettest since:
2018
May–Dec 1972
8-Month		23.18"
(588.77mm)		20.46"
(519.68mm)		2.72"
(69.09mm)		116th Driest
Driest since:
1917
13th Wettest
Wettest since:
2015
Apr–Dec 1972
9-Month		25.44"
(646.18mm)		22.98"
(583.69mm)		2.46"
(62.49mm)		116th Driest
Driest since:
1956
13th Wettest
Wettest since:
2015
Mar–Dec 1972
10-Month		27.57"
(700.28mm)		25.49"
(647.45mm)		2.08"
(52.83mm)		108th Driest
Driest since:
1956
21st Wettest
Wettest since:
2015
Ties: 1927
Feb–Dec 1972
11-Month		29.37"
(746.00mm)		27.62"
(701.55mm)		1.75"
(44.45mm)		98th Driest
Driest since:
1910
31st Wettest
Wettest since:
2018
Jan–Dec 1972
12-Month		31.70"
(805.18mm)		29.94"
(760.48mm)		1.76"
(44.70mm)		102nd Driest
Driest since:
1910
27th Wettest
Wettest since:
1973
Jul 1971–Dec 1972
18-Month		48.24"
(1,225.30mm)		44.58"
(1,132.33mm)		3.66"
(92.97mm)		111th Driest
Driest since:
1954
17th Wettest
Wettest since:
2019
Jan 1971–Dec 1972
24-Month		62.03"
(1,575.56mm)		59.90"
(1,521.46mm)		2.13"
(54.10mm)		90th Driest
Driest since:
1931
38th Wettest
Wettest since:
2019
Jan 1970–Dec 1972
36-Month		91.73"
(2,329.94mm)		89.86"
(2,282.44mm)		1.87"
(47.50mm)		82nd Driest
Driest since:
1956
45th Wettest
Wettest since:
2019
Jan 1969–Dec 1972
48-Month		122.36"
(3,107.94mm)		119.78"
(3,042.41mm)		2.58"
(65.53mm)		85th Driest
Driest since:
1956
41st Wettest
Wettest since:
2019
Jan 1968–Dec 1972
60-Month		152.75"
(3,879.85mm)		149.68"
(3,801.87mm)		3.07"
(77.98mm)		83rd Driest
Driest since:
1956
42nd Wettest
Wettest since:
2019

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