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 1967

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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 1967
1-Month
2.96"
(75.18mm)
2.91"
(73.91mm)
0.05"
(1.27mm)
69th Driest
Driest since:
1934
60th Wettest
Wettest since:
2019
Ties: 1896
Apr–May 1967
2-Month
5.63"
(143.00mm)
5.43"
(137.92mm)
0.20"
(5.08mm)
79th Driest
Driest since:
1934
50th Wettest
Wettest since:
1957
Mar–May 1967
3-Month
7.55"
(191.77mm)
7.94"
(201.68mm)
-0.39"
(-9.91mm)
45th Driest
Driest since:
1925
84th Wettest
Wettest since:
1957, 1991
Ties: 1913, 2007, 2021
Feb–May 1967
4-Month
8.97"
(227.84mm)
10.07"
(255.78mm)
-1.10"
(-27.94mm)
17th Driest
Driest since:
1925
112th Wettest
Wettest since:
2019
Ties: 1936
Jan–May 1967
5-Month
11.12"
(282.45mm)
12.39"
(314.71mm)
-1.27"
(-32.26mm)
16th Driest
Driest since:
1934
113th Wettest
Wettest since:
2019
Dec 1966–May 1967
6-Month
13.66"
(346.96mm)
14.73"
(374.14mm)
-1.07"
(-27.18mm)
31st Driest
Driest since:
1931
97th Wettest
Wettest since:
2019
Nov 1966–May 1967
7-Month
15.67"
(398.02mm)
16.96"
(430.78mm)
-1.29"
(-32.76mm)
29th Driest
Driest since:
1934
99th Wettest
Wettest since:
1983
Oct 1966–May 1967
8-Month
17.34"
(440.44mm)
19.13"
(485.90mm)
-1.79"
(-45.46mm)
21st Driest
Driest since:
1934
107th Wettest
Wettest since:
2019
Sep 1966–May 1967
9-Month
19.78"
(502.41mm)
21.62"
(549.15mm)
-1.84"
(-46.74mm)
21st Driest
Driest since:
1934
107th Wettest
Wettest since:
2019
Aug 1966–May 1967
10-Month
22.89"
(581.41mm)
24.25"
(615.95mm)
-1.36"
(-34.54mm)
32nd Driest
Driest since:
1918
96th Wettest
Wettest since:
2019
Jul 1966–May 1967
11-Month
25.30"
(642.62mm)
27.03"
(686.56mm)
-1.73"
(-43.94mm)
25th Driest
Driest since:
1931
103rd Wettest
Wettest since:
2019
Jun 1966–May 1967
12-Month
27.54"
(699.52mm)
29.95"
(760.73mm)
-2.41"
(-61.21mm)
15th Driest
Driest since:
1934
113th Wettest
Wettest since:
2019
Dec 1965–May 1967
18-Month
40.74"
(1,034.80mm)
44.70"
(1,135.38mm)
-3.96"
(-100.58mm)
11th Driest
Driest since:
1931
116th Wettest
Wettest since:
2019
Jun 1965–May 1967
24-Month
56.49"
(1,434.85mm)
59.92"
(1,521.97mm)
-3.43"
(-87.12mm)
20th Driest
Driest since:
1931
107th Wettest
Wettest since:
2020
Jun 1964–May 1967
36-Month
86.28"
(2,191.51mm)
89.88"
(2,282.95mm)
-3.60"
(-91.44mm)
23rd Driest
Driest since:
1955
103rd Wettest
Wettest since:
2019
Jun 1963–May 1967
48-Month
113.91"
(2,893.31mm)
119.78"
(3,042.41mm)
-5.87"
(-149.10mm)
10th Driest
Driest since:
1956
115th Wettest
Wettest since:
2019
Jun 1962–May 1967
60-Month
141.24"
(3,587.50mm)
149.64"
(3,800.86mm)
-8.40"
(-213.36mm)
8th Driest
Driest since:
1957
116th Wettest
Wettest since:
2020

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