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 1951 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 1951
1-Month
2.84in
(72.14mm)
2.78in
(70.61mm)
0.06in69th Driest
Driest since:
1930
62nd Wettest
Wettest since:
1950, 1958
Ties: 1927
Jun–Jul 1951
2-Month
6.28in
(159.51mm)
5.70in
(144.78mm)
0.58in109th Driest
Driest since:
1930
22nd Wettest
Wettest since:
1928
May–Jul 1951
3-Month
8.65in
(219.71mm)
8.61in
(218.69mm)
0.04in57th Driest
Driest since:
1988
74th Wettest
Wettest since:
2015
Apr–Jul 1951
4-Month
10.99in
(279.15mm)
11.13in
(282.70mm)
-0.14in54th Driest
Driest since:
1934
77th Wettest
Wettest since:
2015
Mar–Jul 1951
5-Month
13.59in
(345.19mm)
13.63in
(346.20mm)
-0.04in55th Driest
Driest since:
1934, 1936
76th Wettest
Wettest since:
1973
Feb–Jul 1951
6-Month
15.86in
(402.84mm)
15.77in
(400.56mm)
0.09in64th Driest
Driest since:
1934
67th Wettest
Wettest since:
2019
Jan–Jul 1951
7-Month
18.20in
(462.28mm)
18.08in
(459.23mm)
0.12in67th Driest
Driest since:
1934
64th Wettest
Wettest since:
2019
Dec 1950–Jul 1951
8-Month
20.13in
(511.30mm)
20.42in
(518.67mm)
-0.29in50th Driest
Driest since:
1931
80th Wettest
Wettest since:
2019
Nov 1950–Jul 1951
9-Month
22.23in
(564.64mm)
22.65in
(575.31mm)
-0.42in50th Driest
Driest since:
1934
80th Wettest
Wettest since:
2019
Oct 1950–Jul 1951
10-Month
24.13in
(612.90mm)
24.82in
(630.43mm)
-0.69in40th Driest
Driest since:
1934
90th Wettest
Wettest since:
2019
Sep 1950–Jul 1951
11-Month
26.82in
(681.23mm)
27.31in
(693.67mm)
-0.49in49th Driest
Driest since:
1934
81st Wettest
Wettest since:
2019
Aug 1950–Jul 1951
12-Month
29.37in
(746.00mm)
29.93in
(760.22mm)
-0.56in47th Driest
Driest since:
1918
83rd Wettest
Wettest since:
2019
Feb 1950–Jul 1951
18-Month
45.71in
(1,161.03mm)
45.72in-0.01in59th Driest
Driest since:
1931
71st Wettest
Wettest since:
2019
Aug 1949–Jul 1951
24-Month
59.98in
(1,523.49mm)
59.89in0.09in60th Driest
Driest since:
1918
69th Wettest
Wettest since:
2020
Aug 1948–Jul 1951
36-Month
90.92in
(2,309.37mm)
89.83in1.09in77th Driest
Driest since:
1956
51st Wettest
Wettest since:
2019
Aug 1947–Jul 1951
48-Month
121.63in
(3,089.40mm)
119.71in1.92in77th Driest
Driest since:
1956
50th Wettest
Wettest since:
2019
Aug 1946–Jul 1951
60-Month
152.33in
(3,869.18mm)
149.56in2.77in78th Driest
Driest since:
1934
48th Wettest
Wettest since:
2019

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