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 1965

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
May 1965
1-Month
2.71"
(68.83mm)
2.91"
(73.91mm)
-0.20"
(-5.08mm)
45th Driest
Driest since:
1934
84th Wettest
Wettest since:
2019
Apr–May 1965
2-Month
5.23"
(132.84mm)
5.43"
(137.92mm)
-0.20"
(-5.08mm)
51st Driest
Driest since:
1934
78th Wettest
Wettest since:
1957
Mar–May 1965
3-Month
7.39"
(187.71mm)
7.94"
(201.68mm)
-0.55"
(-13.97mm)
34th Driest
Driest since:
1925
95th Wettest
Wettest since:
1957, 1991
Ties: 1955
Feb–May 1965
4-Month
9.55"
(242.57mm)
10.07"
(255.78mm)
-0.52"
(-13.21mm)
41st Driest
Driest since:
1925
88th Wettest
Wettest since:
2019
Jan–May 1965
5-Month
11.89"
(302.01mm)
12.39"
(314.71mm)
-0.50"
(-12.70mm)
50th Driest
Driest since:
1934
79th Wettest
Wettest since:
2019
Dec 1964–May 1965
6-Month
15.22"
(386.59mm)
14.73"
(374.14mm)
0.49"
(12.45mm)
77th Driest
Driest since:
1931
51st Wettest
Wettest since:
2019
Nov 1964–May 1965
7-Month
17.60"
(447.04mm)
16.96"
(430.78mm)
0.64"
(16.26mm)
86th Driest
Driest since:
1934
42nd Wettest
Wettest since:
1983
Ties: 1948
Oct 1964–May 1965
8-Month
18.96"
(481.58mm)
19.13"
(485.90mm)
-0.17"
(-4.32mm)
58th Driest
Driest since:
1934
70th Wettest
Wettest since:
2019
Ties: 2009
Sep 1964–May 1965
9-Month
21.50"
(546.10mm)
21.62"
(549.15mm)
-0.12"
(-3.05mm)
62nd Driest
Driest since:
1934
66th Wettest
Wettest since:
2019
Aug 1964–May 1965
10-Month
24.37"
(619.00mm)
24.25"
(615.95mm)
0.12"
(3.05mm)
65th Driest
Driest since:
1918
63rd Wettest
Wettest since:
2019
Jul 1964–May 1965
11-Month
26.98"
(685.29mm)
27.03"
(686.56mm)
-0.05"
(-1.27mm)
60th Driest
Driest since:
1931
68th Wettest
Wettest since:
2019
Ties: 1899
Jun 1964–May 1965
12-Month
29.79"
(756.67mm)
29.95"
(760.73mm)
-0.16"
(-4.06mm)
54th Driest
Driest since:
1934
74th Wettest
Wettest since:
2019
Dec 1963–May 1965
18-Month
43.63"
(1,108.20mm)
44.70"
(1,135.38mm)
-1.07"
(-27.18mm)
38th Driest
Driest since:
1931
89th Wettest
Wettest since:
2019
Jun 1963–May 1965
24-Month
57.42"
(1,458.47mm)
59.92"
(1,521.97mm)
-2.50"
(-63.50mm)
26th Driest
Driest since:
1931
101st Wettest
Wettest since:
2020
Jun 1962–May 1965
36-Month
84.75"
(2,152.65mm)
89.88"
(2,282.95mm)
-5.13"
(-130.30mm)
14th Driest
Driest since:
1955
112th Wettest
Wettest since:
2019
Jun 1961–May 1965
48-Month
115.10"
(2,923.54mm)
119.78"
(3,042.41mm)
-4.68"
(-118.87mm)
20th Driest
Driest since:
1956
105th Wettest
Wettest since:
2019
Jun 1960–May 1965
60-Month
144.46"
(3,669.28mm)
149.64"
(3,800.86mm)
-5.18"
(-131.58mm)
19th Driest
Driest since:
1957
105th Wettest
Wettest since:
2020

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