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 2002

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
December 2002
1-Month
3.00"
(76.20mm)
2.35"
(59.69mm)
0.65"
(16.51mm)
115th Driest
Driest since:
1930
14th Wettest
Wettest since:
2015
Ties: 1942
Nov–Dec 2002
2-Month
4.94"
(125.48mm)
4.58"
(116.33mm)
0.36"
(9.15mm)
91st Driest
Driest since:
1976
38th Wettest
Wettest since:
2015
Ties: 1907, 1932, 1945, 1986
Oct–Dec 2002
3-Month
7.95"
(201.93mm)
6.74"
(171.20mm)
1.21"
(30.73mm)
112th Driest
Driest since:
1917
17th Wettest
Wettest since:
2015
Ties: 1994
Sep–Dec 2002
4-Month
10.67"
(271.02mm)
9.23"
(234.44mm)
1.44"
(36.58mm)
110th Driest
Driest since:
1939
19th Wettest
Wettest since:
2018
Aug–Dec 2002
5-Month
13.07"
(331.98mm)
11.85"
(300.99mm)
1.22"
(30.99mm)
107th Driest
Driest since:
1917
22nd Wettest
Wettest since:
2018
Jul–Dec 2002
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: 1968
Jun–Dec 2002
7-Month
18.23"
(463.04mm)
17.55"
(445.77mm)
0.68"
(17.27mm)
77th Driest
Driest since:
1917
52nd Wettest
Wettest since:
2018
Ties: 1900, 2003
May–Dec 2002
8-Month
20.87"
(530.10mm)
20.46"
(519.68mm)
0.41"
(10.42mm)
71st Driest
Driest since:
1917
58th Wettest
Wettest since:
2015
Apr–Dec 2002
9-Month
23.13"
(587.50mm)
22.98"
(583.69mm)
0.15"
(3.81mm)
59th Driest
Driest since:
1956
70th Wettest
Wettest since:
2015
Mar–Dec 2002
10-Month
25.72"
(653.29mm)
25.49"
(647.45mm)
0.23"
(5.84mm)
63rd Driest
Driest since:
1956
66th Wettest
Wettest since:
2015
Feb–Dec 2002
11-Month
27.04"
(686.82mm)
27.62"
(701.55mm)
-0.58"
(-14.73mm)
43rd Driest
Driest since:
1910
86th Wettest
Wettest since:
2018
Jan–Dec 2002
12-Month
29.05"
(737.87mm)
29.94"
(760.48mm)
-0.89"
(-22.61mm)
37th Driest
Driest since:
1910
92nd Wettest
Wettest since:
1973
Ties: 1989
Jul 2001–Dec 2002
18-Month
43.44"
(1,103.38mm)
44.58"
(1,132.33mm)
-1.14"
(-28.95mm)
37th Driest
Driest since:
1954
91st Wettest
Wettest since:
2019
Jan 2001–Dec 2002
24-Month
58.07"
(1,474.98mm)
59.90"
(1,521.46mm)
-1.83"
(-46.48mm)
35th Driest
Driest since:
1931
93rd Wettest
Wettest since:
2019
Jan 2000–Dec 2002
36-Month
86.29"
(2,191.77mm)
89.86"
(2,282.44mm)
-3.57"
(-90.67mm)
24th Driest
Driest since:
1956
103rd Wettest
Wettest since:
2019
Ties: 1988
Jan 1999–Dec 2002
48-Month
114.76"
(2,914.90mm)
119.78"
(3,042.41mm)
-5.02"
(-127.51mm)
17th Driest
Driest since:
1956
109th Wettest
Wettest since:
2019
Jan 1998–Dec 2002
60-Month
148.65"
(3,775.71mm)
149.68"
(3,801.87mm)
-1.03"
(-26.16mm)
55th Driest
Driest since:
1956
70th Wettest
Wettest since:
2019

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