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

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 1968
1-Month
2.82"
(71.63mm)
2.35"
(59.69mm)
0.47"
(11.94mm)
101st 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)
114th 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)
99th 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)
90th 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)
95th 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)
92nd 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)
97th 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)
104th 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)
100th 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)
91st 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)
69th 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)
67th 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)
68th 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)
56th 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
91st 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
83rd 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
84th Wettest
Wettest since:
2019
Ties: 1990

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