National Rankings

National Data Info
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.

Precipitation Rankings, February 1918

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Wettest/Driest
Since
Record
February 1918
1-Month
1.72"
(43.69mm)
2.13"
(54.10mm)
-0.41"
(-10.41mm)
21st Driest
Driest since:
1947
109th Wettest
Wettest since:
1998
Ties: 1906
Jan–Feb 1918
2-Month
4.13"
(104.90mm)
4.45"
(113.03mm)
-0.32"
(-8.13mm)
45th Driest
Driest since:
1977
85th Wettest
Wettest since:
1998
Ties: 1972, 2006
Dec 1917–Feb 1918
3-Month
5.79"
(147.07mm)
6.79"
(172.47mm)
-1.00"
(-25.40mm)
15th Driest
Driest since:
1977
114th Wettest
Wettest since:
2019
Nov 1917–Feb 1918
4-Month
6.74"
(171.20mm)
9.02"
(229.11mm)
-2.28"
(-57.91mm)
3rd Driest
Driest to Date
1977
126th Wettest
Wettest since:
2019
Oct 1917–Feb 1918
5-Month
8.12"
(206.25mm)
11.19"
(284.23mm)
-3.07"
(-77.98mm)
2nd Driest
Driest to Date
1977
127th Wettest
Wettest since:
2019
Sep 1917–Feb 1918
6-Month
10.29"
(261.37mm)
13.68"
(347.47mm)
-3.39"
(-86.10mm)
2nd Driest
Driest to Date
1977
127th Wettest
Wettest since:
2019
Aug 1917–Feb 1918
7-Month
12.73"
(323.34mm)
16.31"
(414.27mm)
-3.58"
(-90.93mm)
2nd Driest
Driest to Date
1977
127th Wettest
Wettest since:
2019
Jul 1917–Feb 1918
8-Month
15.24"
(387.10mm)
19.09"
(484.89mm)
-3.85"
(-97.79mm)
2nd Driest
Driest to Date
1977
127th Wettest
Wettest since:
2019
Jun 1917–Feb 1918
9-Month
17.68"
(449.07mm)
22.02"
(559.31mm)
-4.34"
(-110.24mm)
1st Driest
Driest to Date
1918, 1931, 1977
128th Wettest
Wettest since:
2019
Ties: 1931, 1977
May 1917–Feb 1918
10-Month
20.32"
(516.13mm)
24.92"
(632.97mm)
-4.60"
(-116.84mm)
1st Driest
Driest to Date
1918
128th Wettest
Wettest since:
2019
Apr 1917–Feb 1918
11-Month
23.00"
(584.20mm)
27.45"
(697.23mm)
-4.45"
(-113.03mm)
4th Driest
Driest to Date
1931
125th Wettest
Wettest since:
2019
Mar 1917–Feb 1918
12-Month
25.48"
(647.19mm)
29.96"
(760.98mm)
-4.48"
(-113.79mm)
5th Driest
Driest since:
1931
124th Wettest
Wettest since:
2019
Sep 1916–Feb 1918
18-Month
37.25"
(946.15mm)
43.65"
(1,108.71mm)
-6.40"
(-162.56mm)
1st Driest
Driest to Date
1918
127th Wettest
Wettest since:
2020
Mar 1916–Feb 1918
24-Month
53.34"
(1,354.84mm)
59.92"
(1,521.97mm)
-6.58"
(-167.13mm)
2nd Driest
Driest to Date
1935
126th Wettest
Wettest since:
2020
Mar 1915–Feb 1918
36-Month
86.15"
(2,188.21mm)
89.87"
(2,282.70mm)
-3.72"
(-94.49mm)
29th Driest
Driest since:
1957
98th Wettest
Wettest since:
2020
Mar 1914–Feb 1918
48-Month
115.90"
(2,943.86mm)
119.77"
(3,042.16mm)
-3.87"
(-98.30mm)
27th Driest
Driest since:
1957
99th Wettest
Wettest since:
2019
Mar 1913–Feb 1918
60-Month
145.55"
(3,696.97mm)
149.63"
(3,800.60mm)
-4.08"
(-103.63mm)
28th Driest
Driest since:
1957
97th Wettest
Wettest since:
2020

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