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 1914

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1914
1-Month
2.48"
(62.99mm)
2.91"
(73.91mm)
-0.43"
(-10.92mm)
24th Driest
Driest since:
1934
105th Wettest
Wettest since:
2019
Apr–May 1914
2-Month
5.21"
(132.33mm)
5.43"
(137.92mm)
-0.22"
(-5.59mm)
48th Driest
Driest since:
1934
81st Wettest
Wettest since:
1957
Ties: 1972
Mar–May 1914
3-Month
7.06"
(179.32mm)
7.94"
(201.68mm)
-0.88"
(-22.36mm)
20th Driest
Driest since:
1925
109th Wettest
Wettest since:
1957, 1991
Feb–May 1914
4-Month
9.14"
(232.16mm)
10.07"
(255.78mm)
-0.93"
(-23.62mm)
23rd Driest
Driest since:
1925
106th Wettest
Wettest since:
2019
Ties: 1972
Jan–May 1914
5-Month
11.64"
(295.66mm)
12.39"
(314.71mm)
-0.75"
(-19.05mm)
36th Driest
Driest since:
1934
93rd Wettest
Wettest since:
2019
Dec 1913–May 1914
6-Month
13.95"
(354.33mm)
14.73"
(374.14mm)
-0.78"
(-19.81mm)
42nd Driest
Driest since:
1931
86th Wettest
Wettest since:
2019
Ties: 1899
Nov 1913–May 1914
7-Month
16.26"
(413.00mm)
16.96"
(430.78mm)
-0.70"
(-17.78mm)
44th Driest
Driest since:
1934
84th Wettest
Wettest since:
1983
Oct 1913–May 1914
8-Month
18.78"
(477.01mm)
19.13"
(485.90mm)
-0.35"
(-8.89mm)
52nd Driest
Driest since:
1934
76th Wettest
Wettest since:
2019
Sep 1913–May 1914
9-Month
21.91"
(556.51mm)
21.62"
(549.15mm)
0.29"
(7.36mm)
68th Driest
Driest since:
1934
60th Wettest
Wettest since:
2019
Aug 1913–May 1914
10-Month
23.81"
(604.77mm)
24.25"
(615.95mm)
-0.44"
(-11.18mm)
53rd Driest
Driest since:
1918
75th Wettest
Wettest since:
2019
Jul 1913–May 1914
11-Month
26.45"
(671.83mm)
27.03"
(686.56mm)
-0.58"
(-14.73mm)
45th Driest
Driest since:
1931
83rd Wettest
Wettest since:
2019
Ties: 1992
Jun 1913–May 1914
12-Month
29.16"
(740.66mm)
29.95"
(760.73mm)
-0.79"
(-20.07mm)
41st Driest
Driest since:
1934
87th Wettest
Wettest since:
2019
Dec 1912–May 1914
18-Month
43.58"
(1,106.93mm)
44.70"
(1,135.38mm)
-1.12"
(-28.45mm)
37th Driest
Driest since:
1931
90th Wettest
Wettest since:
2019
Jun 1912–May 1914
24-Month
58.49"
(1,485.65mm)
59.92"
(1,521.97mm)
-1.43"
(-36.32mm)
36th Driest
Driest since:
1931
91st Wettest
Wettest since:
2020
Jun 1911–May 1914
36-Month
90.38"
(2,295.65mm)
89.88"
(2,282.95mm)
0.50"
(12.70mm)
69th Driest
Driest since:
1955
57th Wettest
Wettest since:
2019
Ties: 1971
Jun 1910–May 1914
48-Month
116.46"
(2,958.08mm)
119.78"
(3,042.41mm)
-3.32"
(-84.33mm)
31st Driest
Driest since:
1956
94th Wettest
Wettest since:
2019
Jun 1909–May 1914
60-Month
144.43"
(3,668.52mm)
149.64"
(3,800.86mm)
-5.21"
(-132.34mm)
18th Driest
Driest since:
1957
106th Wettest
Wettest since:
2020

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