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 2003

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
December 2003
1-Month 		2.38"
(60.45mm)		 2.35"
(59.69mm)		 0.03"
(0.76mm)		 62nd Driest
Driest since:
 1930
67th Wettest
Wettest since:
 2015
Nov–Dec 2003
2-Month 		4.93"
(125.22mm)		 4.58"
(116.33mm)		 0.35"
(8.89mm)		 86th Driest
Driest since:
 1976
43rd Wettest
Wettest since:
 2015
Oct–Dec 2003
3-Month 		6.76"
(171.70mm)		 6.74"
(171.20mm)		 0.02"
(0.50mm)		 59th Driest
Driest since:
 1917
70th Wettest
Wettest since:
 2015
Ties: 1899
Sep–Dec 2003
4-Month 		9.58"
(243.33mm)		 9.23"
(234.44mm)		 0.35"
(8.89mm)		 78th Driest
Driest since:
 1939
51st Wettest
Wettest since:
 2018
Ties: 1932, 1990
Aug–Dec 2003
5-Month 		12.14"
(308.36mm)		 11.85"
(300.99mm)		 0.29"
(7.37mm)		 73rd Driest
Driest since:
 1917
56th Wettest
Wettest since:
 2018
Jul–Dec 2003
6-Month 		14.78"
(375.41mm)		 14.62"
(371.35mm)		 0.16"
(4.06mm)		 62nd Driest
Driest since:
 1917
67th Wettest
Wettest since:
 2018
Jun–Dec 2003
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, 2002
May–Dec 2003
8-Month 		21.50"
(546.10mm)		 20.46"
(519.68mm)		 1.04"
(26.42mm)		 85th Driest
Driest since:
 1917
44th Wettest
Wettest since:
 2015
Ties: 1990, 2008
Apr–Dec 2003
9-Month 		24.13"
(612.90mm)		 22.98"
(583.69mm)		 1.15"
(29.21mm)		 90th Driest
Driest since:
 1956
39th Wettest
Wettest since:
 2015
Mar–Dec 2003
10-Month 		26.61"
(675.89mm)		 25.49"
(647.45mm)		 1.12"
(28.44mm)		 84th Driest
Driest since:
 1956
45th Wettest
Wettest since:
 2015
Feb–Dec 2003
11-Month 		29.18"
(741.17mm)		 27.62"
(701.55mm)		 1.56"
(39.62mm)		 96th Driest
Driest since:
 1910
33rd Wettest
Wettest since:
 2018
Ties: 1902, 1992
Jan–Dec 2003
12-Month 		30.51"
(774.95mm)		 29.94"
(760.48mm)		 0.57"
(14.47mm)		 75th Driest
Driest since:
 1910
54th Wettest
Wettest since:
 1973
Ties: 1937
Jul 2002–Dec 2003
18-Month 		46.18"
(1,172.97mm)		 44.58"
(1,132.33mm)		 1.60"
(40.64mm)		 87th Driest
Driest since:
 1954
41st Wettest
Wettest since:
 2019
Jan 2002–Dec 2003
24-Month 		59.56"
(1,512.82mm)		 59.90"
(1,521.46mm)		 -0.34"
(-8.64mm)		 53rd Driest
Driest since:
 1931
75th Wettest
Wettest since:
 2019
Jan 2001–Dec 2003
36-Month 		88.58"
(2,249.93mm)		 89.86"
(2,282.44mm)		 -1.28"
(-32.51mm)		 44th Driest
Driest since:
 1956
83rd Wettest
Wettest since:
 2019
Jan 2000–Dec 2003
48-Month 		116.80"
(2,966.72mm)		 119.78"
(3,042.41mm)		 -2.98"
(-75.69mm)		 34th Driest
Driest since:
 1956
92nd Wettest
Wettest since:
 2019
Jan 1999–Dec 2003
60-Month 		145.27"
(3,689.86mm)		 149.68"
(3,801.87mm)		 -4.41"
(-112.01mm)		 23rd Driest
Driest since:
 1956
102nd Wettest
Wettest since:
 2019

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