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

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
December 1972
1-Month
3.02"
(76.71mm)
2.35"
(59.69mm)
0.67"
(17.02mm)
115th 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)
122nd 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)
121st 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)
122nd 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)
118th 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)
120th 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)
120th 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)
115th 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)
115th 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)
107th 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)
97th 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)
101st 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)
110th 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)
89th 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)
81st 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
40th 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
41st Wettest
Wettest since:
2019

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