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, January 1919

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Wettest/Driest
Since
Record
January 1919
1-Month
1.91"
(48.51mm)
2.31"
(58.67mm)
-0.40"
(-10.16mm)
29th Driest
Driest since:
1981
101st Wettest
Wettest since:
1916
Dec 1918–Jan 1919
2-Month
4.57"
(116.08mm)
4.66"
(118.36mm)
-0.09"
(-2.28mm)
64th Driest
Driest since:
1981
65th Wettest
Wettest since:
1932
Nov 1918–Jan 1919
3-Month
6.89"
(175.01mm)
6.89"
(175.01mm)
0.00"
(0.00mm)
70th Driest
Driest since:
1977
59th Wettest
Wettest since:
2016
Oct 1918–Jan 1919
4-Month
9.81"
(249.17mm)
9.06"
(230.12mm)
0.75"
(19.05mm)
93rd Driest
Driest since:
1981
36th Wettest
Wettest since:
2016
Sep 1918–Jan 1919
5-Month
12.25"
(311.15mm)
11.55"
(293.37mm)
0.70"
(17.78mm)
87th Driest
Driest since:
1940
42nd Wettest
Wettest since:
2019
Ties: 1912
Aug 1918–Jan 1919
6-Month
14.72"
(373.89mm)
14.17"
(359.92mm)
0.55"
(13.97mm)
79th Driest
Driest since:
1940
50th Wettest
Wettest since:
2019
Jul 1918–Jan 1919
7-Month
17.05"
(433.07mm)
16.96"
(430.78mm)
0.09"
(2.29mm)
59th Driest
Driest since:
1940
70th Wettest
Wettest since:
2019
Jun 1918–Jan 1919
8-Month
19.30"
(490.22mm)
19.88"
(504.95mm)
-0.58"
(-14.73mm)
43rd Driest
Driest since:
1981
86th Wettest
Wettest since:
2019
May 1918–Jan 1919
9-Month
21.89"
(556.01mm)
22.79"
(578.87mm)
-0.90"
(-22.86mm)
38th Driest
Driest since:
1918
91st Wettest
Wettest since:
2016
Apr 1918–Jan 1919
10-Month
24.71"
(627.63mm)
25.32"
(643.13mm)
-0.61"
(-15.50mm)
42nd Driest
Driest since:
1940
87th Wettest
Wettest since:
2016
Mar 1918–Jan 1919
11-Month
26.56"
(674.62mm)
27.83"
(706.88mm)
-1.27"
(-32.26mm)
33rd Driest
Driest since:
1957
96th Wettest
Wettest since:
1974
Feb 1918–Jan 1919
12-Month
28.28"
(718.31mm)
29.96"
(760.98mm)
-1.68"
(-42.67mm)
29th Driest
Driest since:
1931
100th Wettest
Wettest since:
1974
Aug 1917–Jan 1919
18-Month
39.29"
(997.97mm)
44.14"
(1,121.16mm)
-4.85"
(-123.19mm)
9th Driest
Driest since:
1955
119th Wettest
Wettest since:
2020
Feb 1917–Jan 1919
24-Month
53.85"
(1,367.79mm)
59.93"
(1,522.22mm)
-6.08"
(-154.43mm)
8th Driest
Driest since:
1918
120th Wettest
Wettest since:
2020
Feb 1916–Jan 1919
36-Month
81.67"
(2,074.42mm)
89.86"
(2,282.44mm)
-8.19"
(-208.02mm)
3rd Driest
Driest to Date
1957
124th Wettest
Wettest since:
2020
Feb 1915–Jan 1919
48-Month
115.48"
(2,933.19mm)
119.76"
(3,041.90mm)
-4.28"
(-108.71mm)
22nd Driest
Driest since:
1957
104th Wettest
Wettest since:
2020
Feb 1914–Jan 1919
60-Month
144.54"
(3,671.32mm)
149.63"
(3,800.60mm)
-5.09"
(-129.28mm)
21st Driest
Driest since:
1957
104th Wettest
Wettest since:
2020

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