National Rankings

National Data Info
Please note, 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.

April 1955 Precipitation Rankings

View Period (Months):
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue
1901-2000
Mean
AnomalyRank
(1895-2025)
Driest/Wettest
Since
Record
April 1955
1-Month
2.49in
(63.25mm)
2.52in
(64.01mm)
-0.03in59th Driest
Driest since:
1987
72nd Wettest
Wettest since:
1957
Mar–Apr 1955
2-Month
4.47in
(113.54mm)
5.02in
(127.51mm)
-0.55in26th Driest
Driest since:
1910
105th Wettest
Wettest since:
1973
Feb–Apr 1955
3-Month
6.69in
(169.93mm)
7.16in
(181.86mm)
-0.47in40th Driest
Driest since:
1910
91st Wettest
Wettest since:
1983
Jan–Apr 1955
4-Month
8.37in
(212.60mm)
9.47in
(240.54mm)
-1.10in17th Driest
Driest since:
1910
114th Wettest
Wettest since:
1998
Dec 1954–Apr 1955
5-Month
10.37in
(263.40mm)
11.81in
(299.97mm)
-1.44in11th Driest
Driest since:
1931
119th Wettest
Wettest since:
1983
Nov 1954–Apr 1955
6-Month
11.91in
(302.51mm)
14.04in
(356.62mm)
-2.13in8th Driest
Driest since:
1977
122nd Wettest
Wettest since:
1983
Oct 1954–Apr 1955
7-Month
14.26in
(362.20mm)
16.21in
(411.73mm)
-1.95in10th Driest
Driest since:
1981
120th Wettest
Wettest since:
1983
Sep 1954–Apr 1955
8-Month
16.21in
(411.73mm)
18.70in
(474.98mm)
-2.49in8th Driest
Driest since:
1918
122nd Wettest
Wettest since:
2019
Aug 1954–Apr 1955
9-Month
18.73in
(475.74mm)
21.32in
(541.53mm)
-2.59in9th Driest
Driest since:
1918
121st Wettest
Wettest since:
2019
Jul 1954–Apr 1955
10-Month
20.74in
(526.80mm)
24.11in
(612.39mm)
-3.37in5th Driest
Driest since:
1931
125th Wettest
Wettest since:
2019
Jun 1954–Apr 1955
11-Month
23.24in
(590.30mm)
27.03in
(686.56mm)
-3.79in6th Driest
Driest since:
1931
124th Wettest
Wettest since:
2019
May 1954–Apr 1955
12-Month
25.93in
(658.62mm)
29.94in
(760.48mm)
-4.01in5th Driest
Driest since:
1918
125th Wettest
Wettest since:
2019
Nov 1953–Apr 1955
18-Month
38.81in
(985.77mm)
44.00in-5.19in3rd Driest
Driest since:
1931
126th Wettest
Wettest since:
2020
May 1953–Apr 1955
24-Month
52.56in
(1,335.02mm)
59.89in-7.33in1st DriestDriest to Date1955
128th Wettest
Wettest since:
2020
May 1952–Apr 1955
36-Month
79.37in
(2,016.00mm)
89.83in-10.46in1st DriestDriest to Date1955
127th Wettest
Wettest since:
2020
May 1951–Apr 1955
48-Month
110.82in
(2,814.83mm)
119.71in-8.89in4th Driest
Driest since:
1956
123rd Wettest
Wettest since:
2019
May 1950–Apr 1955
60-Month
141.08in
(3,583.43mm)
149.55in-8.47in6th Driest
Driest since:
1957
120th Wettest
Wettest since:
2020

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