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 1984 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 1984
1-Month
2.95in
(74.93mm)
2.52in
(64.01mm)
0.43in108th Driest
Driest since:
1987
23rd Wettest
Wettest since:
1957
Ties: 1953
Mar–Apr 1984
2-Month
5.70in
(144.78mm)
5.02in
(127.51mm)
0.68in107th Driest
Driest since:
1910
24th Wettest
Wettest since:
1973
Feb–Apr 1984
3-Month
7.81in
(198.37mm)
7.16in
(181.86mm)
0.65in102nd Driest
Driest since:
1910
29th Wettest
Wettest since:
1983
Jan–Apr 1984
4-Month
9.16in
(232.66mm)
9.47in
(240.54mm)
-0.31in55th Driest
Driest since:
1910
76th Wettest
Wettest since:
1998
Ties: 1914, 1917
Dec 1983–Apr 1984
5-Month
12.59in
(319.79mm)
11.81in
(299.97mm)
0.78in98th Driest
Driest since:
1931
32nd Wettest
Wettest since:
1983
Nov 1983–Apr 1984
6-Month
16.50in
(419.10mm)
14.04in
(356.62mm)
2.46in121st Driest
Driest since:
1977
9th Wettest
Wettest since:
1983
Oct 1983–Apr 1984
7-Month
19.10in
(485.14mm)
16.21in
(411.73mm)
2.89in123rd Driest
Driest since:
1981
7th Wettest
Wettest since:
1983
Sep 1983–Apr 1984
8-Month
21.36in
(542.54mm)
18.70in
(474.98mm)
2.66in121st Driest
Driest since:
1918
9th Wettest
Wettest since:
2019
Ties: 1927
Aug 1983–Apr 1984
9-Month
23.73in
(602.74mm)
21.32in
(541.53mm)
2.41in115th Driest
Driest since:
1918
15th Wettest
Wettest since:
2019
Jul 1983–Apr 1984
10-Month
25.81in
(655.57mm)
24.11in
(612.39mm)
1.70in104th Driest
Driest since:
1931
26th Wettest
Wettest since:
2019
Jun 1983–Apr 1984
11-Month
28.76in
(730.50mm)
27.03in
(686.56mm)
1.73in103rd Driest
Driest since:
1931
27th Wettest
Wettest since:
2019
Ties: 1920
May 1983–Apr 1984
12-Month
32.22in
(818.39mm)
29.94in
(760.48mm)
2.28in112th Driest
Driest since:
1918
18th Wettest
Wettest since:
2019
Nov 1982–Apr 1984
18-Month
50.62in
(1,285.75mm)
44.00in6.62in126th Driest
Driest since:
1931
3rd Wettest
Wettest since:
2020
May 1982–Apr 1984
24-Month
67.62in
(1,717.55mm)
59.89in7.73in123rd Driest
Driest since:
1955
6th Wettest
Wettest since:
2020
May 1981–Apr 1984
36-Month
100.12in
(2,543.05mm)
89.83in10.29in126th Driest
Driest since:
1955
2nd WettestWettest to Date2020
May 1980–Apr 1984
48-Month
125.59in
(3,189.99mm)
119.71in5.88in106th Driest
Driest since:
1956
21st Wettest
Wettest since:
2019
May 1979–Apr 1984
60-Month
156.88in
(3,984.75mm)
149.55in7.33in106th Driest
Driest since:
1957
20th Wettest
Wettest since:
2020

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