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 1973

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
December 1973
1-Month
3.09"
(78.49mm)
2.35"
(59.69mm)
0.74"
(18.80mm)
119th Driest
Driest since:
1930
10th Wettest
Wettest since:
2015
Nov–Dec 1973
2-Month
6.26"
(159.00mm)
4.58"
(116.33mm)
1.68"
(42.67mm)
124th Driest
Driest since:
1976
5th Wettest
Wettest to Date
2015
Oct–Dec 1973
3-Month
8.63"
(219.20mm)
6.74"
(171.20mm)
1.89"
(48.00mm)
120th Driest
Driest since:
1917
9th Wettest
Wettest since:
2015
Sep–Dec 1973
4-Month
12.09"
(307.09mm)
9.23"
(234.44mm)
2.86"
(72.65mm)
124th Driest
Driest since:
1939
5th Wettest
Wettest to Date
2018
Aug–Dec 1973
5-Month
14.15"
(359.41mm)
11.85"
(300.99mm)
2.30"
(58.42mm)
117th Driest
Driest since:
1917
12th Wettest
Wettest since:
2018
Jul–Dec 1973
6-Month
17.11"
(434.59mm)
14.62"
(371.35mm)
2.49"
(63.24mm)
120th Driest
Driest since:
1917
9th Wettest
Wettest since:
2018
Jun–Dec 1973
7-Month
20.16"
(512.06mm)
17.55"
(445.77mm)
2.61"
(66.29mm)
120th Driest
Driest since:
1917
9th Wettest
Wettest since:
2018
May–Dec 1973
8-Month
23.19"
(589.03mm)
20.46"
(519.68mm)
2.73"
(69.35mm)
117th Driest
Driest since:
1917
12th Wettest
Wettest since:
2015
Apr–Dec 1973
9-Month
26.52"
(673.61mm)
22.98"
(583.69mm)
3.54"
(89.92mm)
121st Driest
Driest since:
1956
8th Wettest
Wettest since:
2015
Mar–Dec 1973
10-Month
30.52"
(775.21mm)
25.49"
(647.45mm)
5.03"
(127.76mm)
127th Driest
Driest since:
1956
2nd Wettest
Wettest to Date
2015
Feb–Dec 1973
11-Month
32.48"
(824.99mm)
27.62"
(701.55mm)
4.86"
(123.44mm)
125th Driest
Driest since:
1910
4th Wettest
Wettest to Date
2018
Jan–Dec 1973
12-Month
34.96"
(887.98mm)
29.94"
(760.48mm)
5.02"
(127.50mm)
128th Driest
Driest since:
1910
1st Wettest
Wettest to Date
1973
Jul 1972–Dec 1973
18-Month
52.09"
(1,323.09mm)
44.58"
(1,132.33mm)
7.51"
(190.76mm)
126th Driest
Driest since:
1954
2nd Wettest
Wettest to Date
2019
Jan 1972–Dec 1973
24-Month
66.66"
(1,693.16mm)
59.90"
(1,521.46mm)
6.76"
(171.70mm)
124th Driest
Driest since:
1931
4th Wettest
Wettest to Date
2019
Jan 1971–Dec 1973
36-Month
96.99"
(2,463.55mm)
89.86"
(2,282.44mm)
7.13"
(181.11mm)
115th Driest
Driest since:
1956
12th Wettest
Wettest to Date
2019
Jan 1970–Dec 1973
48-Month
126.69"
(3,217.93mm)
119.78"
(3,042.41mm)
6.91"
(175.52mm)
106th Driest
Driest since:
1956
20th Wettest
Wettest to Date
2019
Jan 1969–Dec 1973
60-Month
157.32"
(3,995.93mm)
149.68"
(3,801.87mm)
7.64"
(194.06mm)
105th Driest
Driest since:
1956
20th Wettest
Wettest since:
2019

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