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, May 1996

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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
May 1996
1-Month
3.32"
(84.33mm)
2.91"
(73.91mm)
0.41"
(10.42mm)
104th Driest
Driest since:
1934
25th Wettest
Wettest since:
2019
Ties: 2010
Apr–May 1996
2-Month
5.88"
(149.35mm)
5.43"
(137.92mm)
0.45"
(11.43mm)
92nd Driest
Driest since:
1934
37th Wettest
Wettest since:
1957
Mar–May 1996
3-Month
8.12"
(206.25mm)
7.94"
(201.68mm)
0.18"
(4.57mm)
78th Driest
Driest since:
1925
51st Wettest
Wettest since:
1957, 1991
Feb–May 1996
4-Month
10.01"
(254.25mm)
10.07"
(255.78mm)
-0.06"
(-1.53mm)
69th Driest
Driest since:
1925
60th Wettest
Wettest since:
2019
Ties: 1896, 2010
Jan–May 1996
5-Month
12.83"
(325.88mm)
12.39"
(314.71mm)
0.44"
(11.17mm)
86th Driest
Driest since:
1934
43rd Wettest
Wettest since:
2019
Ties: 1948
Dec 1995–May 1996
6-Month
15.08"
(383.03mm)
14.73"
(374.14mm)
0.35"
(8.89mm)
73rd Driest
Driest since:
1931
55th Wettest
Wettest since:
2019
Nov 1995–May 1996
7-Month
17.45"
(443.23mm)
16.96"
(430.78mm)
0.49"
(12.45mm)
81st Driest
Driest since:
1934
47th Wettest
Wettest since:
1983
Oct 1995–May 1996
8-Month
20.08"
(510.03mm)
19.13"
(485.90mm)
0.95"
(24.13mm)
90th Driest
Driest since:
1934
38th Wettest
Wettest since:
2019
Sep 1995–May 1996
9-Month
22.28"
(565.91mm)
21.62"
(549.15mm)
0.66"
(16.76mm)
83rd Driest
Driest since:
1934
45th Wettest
Wettest since:
2019
Aug 1995–May 1996
10-Month
24.94"
(633.48mm)
24.25"
(615.95mm)
0.69"
(17.53mm)
76th Driest
Driest since:
1918
52nd Wettest
Wettest since:
2019
Jul 1995–May 1996
11-Month
27.59"
(700.79mm)
27.03"
(686.56mm)
0.56"
(14.23mm)
76th Driest
Driest since:
1931
52nd Wettest
Wettest since:
2019
Jun 1995–May 1996
12-Month
30.82"
(782.83mm)
29.95"
(760.73mm)
0.87"
(22.10mm)
83rd Driest
Driest since:
1934
45th Wettest
Wettest since:
2019
Dec 1994–May 1996
18-Month
47.71"
(1,211.83mm)
44.70"
(1,135.38mm)
3.01"
(76.45mm)
102nd Driest
Driest since:
1931
25th Wettest
Wettest since:
2019
Jun 1994–May 1996
24-Month
64.14"
(1,629.16mm)
59.92"
(1,521.97mm)
4.22"
(107.19mm)
108th Driest
Driest since:
1931
19th Wettest
Wettest since:
2020
Jun 1993–May 1996
36-Month
94.67"
(2,404.62mm)
89.88"
(2,282.95mm)
4.79"
(121.67mm)
104th Driest
Driest since:
1955
22nd Wettest
Wettest since:
2019
Jun 1992–May 1996
48-Month
128.76"
(3,270.50mm)
119.78"
(3,042.41mm)
8.98"
(228.09mm)
112th Driest
Driest since:
1956
13th Wettest
Wettest since:
2019
Jun 1991–May 1996
60-Month
158.05"
(4,014.47mm)
149.64"
(3,800.86mm)
8.41"
(213.61mm)
109th Driest
Driest since:
1957
15th Wettest
Wettest since:
2020

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