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 1971 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 1971
1-Month
3.00in
(76.20mm)
2.78in
(70.61mm)
0.22in97th Driest
Driest since:
1930
34th Wettest
Wettest since:
1950, 1958
Ties: 1907
Jun–Jul 1971
2-Month
5.53in
(140.46mm)
5.70in
(144.78mm)
-0.17in43rd Driest
Driest since:
1930
88th Wettest
Wettest since:
1928
May–Jul 1971
3-Month
8.45in
(214.63mm)
8.61in
(218.69mm)
-0.16in46th Driest
Driest since:
1988
85th Wettest
Wettest since:
2015
Apr–Jul 1971
4-Month
10.31in
(261.87mm)
11.13in
(282.70mm)
-0.82in29th Driest
Driest since:
1934
102nd Wettest
Wettest since:
2015
Mar–Jul 1971
5-Month
12.39in
(314.71mm)
13.63in
(346.20mm)
-1.24in20th Driest
Driest since:
1934, 1936
111th Wettest
Wettest since:
1973
Feb–Jul 1971
6-Month
14.76in
(374.90mm)
15.77in
(400.56mm)
-1.01in29th Driest
Driest since:
1934
102nd Wettest
Wettest since:
2019
Jan–Jul 1971
7-Month
16.79in
(426.47mm)
18.08in
(459.23mm)
-1.29in25th Driest
Driest since:
1934
106th Wettest
Wettest since:
2019
Dec 1970–Jul 1971
8-Month
19.01in
(482.85mm)
20.42in
(518.67mm)
-1.41in26th Driest
Driest since:
1931
104th Wettest
Wettest since:
2019
Nov 1970–Jul 1971
9-Month
21.21in
(538.73mm)
22.65in
(575.31mm)
-1.44in29th Driest
Driest since:
1934
101st Wettest
Wettest since:
2019
Oct 1970–Jul 1971
10-Month
24.09in
(611.89mm)
24.82in
(630.43mm)
-0.73in38th Driest
Driest since:
1934
92nd Wettest
Wettest since:
2019
Sep 1970–Jul 1971
11-Month
27.15in
(689.61mm)
27.31in
(693.67mm)
-0.16in55th Driest
Driest since:
1934
75th Wettest
Wettest since:
2019
Aug 1970–Jul 1971
12-Month
29.52in
(749.81mm)
29.93in
(760.22mm)
-0.41in49th Driest
Driest since:
1918
81st Wettest
Wettest since:
2019
Feb 1970–Jul 1971
18-Month
44.38in
(1,127.25mm)
45.72in-1.34in37th Driest
Driest since:
1931
93rd Wettest
Wettest since:
2019
Aug 1969–Jul 1971
24-Month
58.29in
(1,480.57mm)
59.89in-1.60in40th Driest
Driest since:
1918
89th Wettest
Wettest since:
2020
Aug 1968–Jul 1971
36-Month
89.96in
(2,284.98mm)
89.83in0.13in61st Driest
Driest since:
1956
67th Wettest
Wettest since:
2019
Aug 1967–Jul 1971
48-Month
119.45in
(3,034.03mm)
119.71in-0.26in56th Driest
Driest since:
1956
71st Wettest
Wettest since:
2019
Aug 1966–Jul 1971
60-Month
148.79in
(3,779.27mm)
149.56in-0.77in52nd Driest
Driest since:
1934
74th Wettest
Wettest since:
2019
Ties: 1922

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