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.

June 1918 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
June 1918
1-Month
2.25in
(57.15mm)
2.92in
(74.17mm)
-0.67in10th Driest
Driest since:
1933
121st Wettest
Wettest since:
1928
May–Jun 1918
2-Month
4.83in
(122.68mm)
5.83in
(148.08mm)
-1.00in10th Driest
Driest since:
1988
121st Wettest
Wettest since:
2015
Apr–Jun 1918
3-Month
7.65in
(194.31mm)
8.35in
(212.09mm)
-0.70in28th Driest
Driest since:
1988
103rd Wettest
Wettest since:
1957
Mar–Jun 1918
4-Month
9.50in
(241.30mm)
10.86in
(275.84mm)
-1.36in13th Driest
Driest since:
1988
118th Wettest
Wettest since:
1957
Feb–Jun 1918
5-Month
11.22in
(284.99mm)
12.99in
(329.95mm)
-1.77in10th Driest
Driest since:
1988
121st Wettest
Wettest since:
2019
Jan–Jun 1918
6-Month
13.63in
(346.20mm)
15.30in
(388.62mm)
-1.67in16th Driest
Driest since:
1988
115th Wettest
Wettest since:
2019
Dec 1917–Jun 1918
7-Month
15.29in
(388.37mm)
17.65in
(448.31mm)
-2.36in10th Driest
Driest since:
1931
120th Wettest
Wettest since:
2019
Nov 1917–Jun 1918
8-Month
16.24in
(412.50mm)
19.88in
(504.95mm)
-3.64in4th DriestDriest to Date1934
126th Wettest
Wettest since:
2019
Oct 1917–Jun 1918
9-Month
17.62in
(447.55mm)
22.04in
(559.82mm)
-4.42in2nd DriestDriest to Date1934
128th Wettest
Wettest since:
2019
Sep 1917–Jun 1918
10-Month
19.79in
(502.67mm)
24.53in
(623.06mm)
-4.74in2nd DriestDriest to Date1934
128th Wettest
Wettest since:
2019
Aug 1917–Jun 1918
11-Month
22.22in
(564.39mm)
27.16in
(689.86mm)
-4.94in1st DriestDriest to Date1918
129th Wettest
Wettest since:
2019
Jul 1917–Jun 1918
12-Month
24.73in
(628.14mm)
29.94in
(760.48mm)
-5.21in2nd DriestDriest to Date1931
128th Wettest
Wettest since:
2019
Jan 1917–Jun 1918
18-Month
38.97in
(989.84mm)
45.25in-6.28in3rd Driest
Driest since:
1931
127th Wettest
Wettest since:
2019
Jul 1916–Jun 1918
24-Month
52.47in
(1,332.74mm)
59.90in-7.43in3rd DriestDriest to Date1931
126th Wettest
Wettest since:
2020
Jul 1915–Jun 1918
36-Month
84.70in
(2,151.38mm)
89.84in-5.14in15th Driest
Driest since:
1956
113th Wettest
Wettest since:
2019
Jul 1914–Jun 1918
48-Month
115.42in
(2,931.67mm)
119.73in-4.31in24th Driest
Driest since:
1956
103rd Wettest
Wettest since:
2019
Jul 1913–Jun 1918
60-Month
144.71in
(3,675.63mm)
149.58in-4.87in23rd Driest
Driest since:
1934
103rd Wettest
Wettest since:
2020

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