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.

July 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
July 1984
1-Month
2.83in
(71.88mm)
2.78in
(70.61mm)
0.05in67th Driest
Driest since:
1930
64th Wettest
Wettest since:
1950, 1958
Jun–Jul 1984
2-Month
5.76in
(146.30mm)
5.70in
(144.78mm)
0.06in58th Driest
Driest since:
1930
73rd Wettest
Wettest since:
1928
Ties: 1921
May–Jul 1984
3-Month
8.91in
(226.31mm)
8.61in
(218.69mm)
0.30in75th Driest
Driest since:
1988
56th Wettest
Wettest since:
2015
Ties: 1961
Apr–Jul 1984
4-Month
11.86in
(301.24mm)
11.13in
(282.70mm)
0.73in93rd Driest
Driest since:
1934
38th Wettest
Wettest since:
2015
Mar–Jul 1984
5-Month
14.61in
(371.09mm)
13.63in
(346.20mm)
0.98in101st Driest
Driest since:
1934, 1936
30th Wettest
Wettest since:
1973
Feb–Jul 1984
6-Month
16.72in
(424.69mm)
15.77in
(400.56mm)
0.95in93rd Driest
Driest since:
1934
38th Wettest
Wettest since:
2019
Ties: 1935
Jan–Jul 1984
7-Month
18.07in
(458.98mm)
18.08in
(459.23mm)
-0.01in62nd Driest
Driest since:
1934
69th Wettest
Wettest since:
2019
Dec 1983–Jul 1984
8-Month
21.50in
(546.10mm)
20.42in
(518.67mm)
1.08in92nd Driest
Driest since:
1931
38th Wettest
Wettest since:
2019
Nov 1983–Jul 1984
9-Month
25.41in
(645.41mm)
22.65in
(575.31mm)
2.76in118th Driest
Driest since:
1934
12th Wettest
Wettest since:
2019
Oct 1983–Jul 1984
10-Month
28.01in
(711.45mm)
24.82in
(630.43mm)
3.19in119th Driest
Driest since:
1934
11th Wettest
Wettest since:
2019
Sep 1983–Jul 1984
11-Month
30.27in
(768.86mm)
27.31in
(693.67mm)
2.96in117th Driest
Driest since:
1934
13th Wettest
Wettest since:
2019
Aug 1983–Jul 1984
12-Month
32.64in
(829.06mm)
29.93in
(760.22mm)
2.71in114th Driest
Driest since:
1918
16th Wettest
Wettest since:
2019
Ties: 1907
Feb 1983–Jul 1984
18-Month
50.71in
(1,288.03mm)
45.72in4.99in124th Driest
Driest since:
1931
6th Wettest
Wettest since:
2019
Aug 1982–Jul 1984
24-Month
66.86in
(1,698.24mm)
59.89in6.97in123rd Driest
Driest since:
1918
6th Wettest
Wettest since:
2020
Aug 1981–Jul 1984
36-Month
98.99in
(2,514.35mm)
89.83in9.16in121st Driest
Driest since:
1956
7th Wettest
Wettest since:
2019
Aug 1980–Jul 1984
48-Month
127.13in
(3,229.10mm)
119.71in7.42in109th Driest
Driest since:
1956
18th Wettest
Wettest since:
2019
Aug 1979–Jul 1984
60-Month
156.72in
(3,980.69mm)
149.56in7.16in106th Driest
Driest since:
1934
20th Wettest
Wettest since:
2019

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