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 1933 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 1933
1-Month
2.83in
(71.88mm)
2.78in
(70.61mm)
0.05in67th Driest
Driest since:
1930
64th Wettest
Wettest since:
1950, 1958
Jun–Jul 1933
2-Month
4.28in
(108.71mm)
5.70in
(144.78mm)
-1.42in3rd Driest
Driest since:
1930
128th Wettest
Wettest since:
1928
May–Jul 1933
3-Month
7.67in
(194.82mm)
8.61in
(218.69mm)
-0.94in22nd Driest
Driest since:
1988
109th Wettest
Wettest since:
2015
Apr–Jul 1933
4-Month
10.21in
(259.33mm)
11.13in
(282.70mm)
-0.92in25th Driest
Driest since:
1934
106th Wettest
Wettest since:
2015
Mar–Jul 1933
5-Month
12.68in
(322.07mm)
13.63in
(346.20mm)
-0.95in26th Driest
Driest since:
1934, 1936
105th Wettest
Wettest since:
1973
Feb–Jul 1933
6-Month
14.62in
(371.35mm)
15.77in
(400.56mm)
-1.15in26th Driest
Driest since:
1934
105th Wettest
Wettest since:
2019
Jan–Jul 1933
7-Month
16.87in
(428.50mm)
18.08in
(459.23mm)
-1.21in26th Driest
Driest since:
1934
105th Wettest
Wettest since:
2019
Dec 1932–Jul 1933
8-Month
19.79in
(502.67mm)
20.42in
(518.67mm)
-0.63in41st Driest
Driest since:
1931
89th Wettest
Wettest since:
2019
Nov 1932–Jul 1933
9-Month
21.81in
(553.97mm)
22.65in
(575.31mm)
-0.84in39th Driest
Driest since:
1934
91st Wettest
Wettest since:
2019
Oct 1932–Jul 1933
10-Month
24.29in
(616.97mm)
24.82in
(630.43mm)
-0.53in46th Driest
Driest since:
1934
84th Wettest
Wettest since:
2019
Sep 1932–Jul 1933
11-Month
26.45in
(671.83mm)
27.31in
(693.67mm)
-0.86in40th Driest
Driest since:
1934
90th Wettest
Wettest since:
2019
Aug 1932–Jul 1933
12-Month
29.30in
(744.22mm)
29.93in
(760.22mm)
-0.63in45th Driest
Driest since:
1918
85th Wettest
Wettest since:
2019
Feb 1932–Jul 1933
18-Month
44.05in
(1,118.87mm)
45.72in-1.67in36th Driest
Driest since:
1931
94th Wettest
Wettest since:
2019
Aug 1931–Jul 1933
24-Month
59.90in
(1,521.46mm)
59.89in0.01in59th Driest
Driest since:
1918
70th Wettest
Wettest since:
2020
Aug 1930–Jul 1933
36-Month
84.98in
(2,158.49mm)
89.83in-4.85in19th Driest
Driest since:
1956
109th Wettest
Wettest since:
2019
Aug 1929–Jul 1933
48-Month
111.69in
(2,836.93mm)
119.71in-8.02in6th DriestDriest to Date1956
121st Wettest
Wettest since:
2019
Aug 1928–Jul 1933
60-Month
141.89in
(3,604.01mm)
149.56in-7.67in9th DriestDriest to Date1934
117th Wettest
Wettest since:
2019

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