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 1993

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
December 1993
1-Month
1.96"
(49.78mm)
2.35"
(59.69mm)
-0.39"
(-9.91mm)
32nd Driest
Driest since:
1930
97th Wettest
Wettest since:
2015
Nov–Dec 1993
2-Month
4.08"
(103.63mm)
4.58"
(116.33mm)
-0.50"
(-12.70mm)
37th Driest
Driest since:
1976
92nd Wettest
Wettest since:
2015
Oct–Dec 1993
3-Month
6.27"
(159.26mm)
6.74"
(171.20mm)
-0.47"
(-11.94mm)
40th Driest
Driest since:
1917
89th Wettest
Wettest since:
2015
Sep–Dec 1993
4-Month
8.85"
(224.79mm)
9.23"
(234.44mm)
-0.38"
(-9.65mm)
48th Driest
Driest since:
1939
81st Wettest
Wettest since:
2018
Aug–Dec 1993
5-Month
11.62"
(295.15mm)
11.85"
(300.99mm)
-0.23"
(-5.84mm)
49th Driest
Driest since:
1917
80th Wettest
Wettest since:
2018
Jul–Dec 1993
6-Month
14.92"
(378.97mm)
14.62"
(371.35mm)
0.30"
(7.62mm)
67th Driest
Driest since:
1917
62nd Wettest
Wettest since:
2018
Jun–Dec 1993
7-Month
18.53"
(470.66mm)
17.55"
(445.77mm)
0.98"
(24.89mm)
86th Driest
Driest since:
1917
43rd Wettest
Wettest since:
2018
May–Dec 1993
8-Month
21.47"
(545.34mm)
20.46"
(519.68mm)
1.01"
(25.66mm)
82nd Driest
Driest since:
1917
47th Wettest
Wettest since:
2015
Apr–Dec 1993
9-Month
24.39"
(619.51mm)
22.98"
(583.69mm)
1.41"
(35.82mm)
95th Driest
Driest since:
1956
34th Wettest
Wettest since:
2015
Mar–Dec 1993
10-Month
27.24"
(691.90mm)
25.49"
(647.45mm)
1.75"
(44.45mm)
102nd Driest
Driest since:
1956
27th Wettest
Wettest since:
2015
Feb–Dec 1993
11-Month
29.42"
(747.27mm)
27.62"
(701.55mm)
1.80"
(45.72mm)
101st Driest
Driest since:
1910
28th Wettest
Wettest since:
2018
Jan–Dec 1993
12-Month
32.62"
(828.55mm)
29.94"
(760.48mm)
2.68"
(68.07mm)
111th Driest
Driest since:
1910
18th Wettest
Wettest since:
1973
Jul 1992–Dec 1993
18-Month
49.23"
(1,250.44mm)
44.58"
(1,132.33mm)
4.65"
(118.11mm)
119th Driest
Driest since:
1954
9th Wettest
Wettest since:
2019
Jan 1992–Dec 1993
24-Month
63.88"
(1,622.55mm)
59.90"
(1,521.46mm)
3.98"
(101.09mm)
110th Driest
Driest since:
1931
18th Wettest
Wettest since:
2019
Jan 1991–Dec 1993
36-Month
96.32"
(2,446.53mm)
89.86"
(2,282.44mm)
6.46"
(164.09mm)
111th Driest
Driest since:
1956
16th Wettest
Wettest since:
2019
Jan 1990–Dec 1993
48-Month
128.49"
(3,263.65mm)
119.78"
(3,042.41mm)
8.71"
(221.24mm)
114th Driest
Driest since:
1956
12th Wettest
Wettest since:
2019
Jan 1989–Dec 1993
60-Month
157.54"
(4,001.52mm)
149.68"
(3,801.87mm)
7.86"
(199.65mm)
107th Driest
Driest since:
1956
18th Wettest
Wettest since:
2019

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