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 1905

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Wettest/Driest
Since
Record
January 1905
1-Month
2.18"
(55.37mm)
2.31"
(58.67mm)
-0.13"
(-3.30mm)
56th Driest
Driest since:
1981
74th Wettest
Wettest since:
1916
Dec 1904–Jan 1905
2-Month
4.34"
(110.24mm)
4.66"
(118.36mm)
-0.32"
(-8.12mm)
46th Driest
Driest since:
1981
83rd Wettest
Wettest since:
1932
Nov 1904–Jan 1905
3-Month
5.36"
(136.14mm)
6.89"
(175.01mm)
-1.53"
(-38.87mm)
13th Driest
Driest since:
1977
116th Wettest
Wettest since:
2016
Oct 1904–Jan 1905
4-Month
7.02"
(178.31mm)
9.06"
(230.12mm)
-2.04"
(-51.81mm)
9th Driest
Driest since:
1981
120th Wettest
Wettest since:
2016
Sep 1904–Jan 1905
5-Month
9.35"
(237.49mm)
11.55"
(293.37mm)
-2.20"
(-55.88mm)
9th Driest
Driest since:
1940
120th Wettest
Wettest since:
2019
Aug 1904–Jan 1905
6-Month
12.04"
(305.82mm)
14.17"
(359.92mm)
-2.13"
(-54.10mm)
12th Driest
Driest since:
1940
117th Wettest
Wettest since:
2019
Jul 1904–Jan 1905
7-Month
14.97"
(380.24mm)
16.96"
(430.78mm)
-1.99"
(-50.54mm)
16th Driest
Driest since:
1940
113th Wettest
Wettest since:
2019
Jun 1904–Jan 1905
8-Month
18.08"
(459.23mm)
19.88"
(504.95mm)
-1.80"
(-45.72mm)
18th Driest
Driest since:
1981
111th Wettest
Wettest since:
2019
Ties: 1925
May 1904–Jan 1905
9-Month
20.67"
(525.02mm)
22.79"
(578.87mm)
-2.12"
(-53.85mm)
19th Driest
Driest since:
1918
110th Wettest
Wettest since:
2016
Apr 1904–Jan 1905
10-Month
22.79"
(578.87mm)
25.32"
(643.13mm)
-2.53"
(-64.26mm)
18th Driest
Driest since:
1940
111th Wettest
Wettest since:
2016
Mar 1904–Jan 1905
11-Month
25.89"
(657.61mm)
27.83"
(706.88mm)
-1.94"
(-49.27mm)
27th Driest
Driest since:
1957
102nd Wettest
Wettest since:
1974
Feb 1904–Jan 1905
12-Month
28.32"
(719.33mm)
29.96"
(760.98mm)
-1.64"
(-41.65mm)
30th Driest
Driest since:
1931
99th Wettest
Wettest since:
1974
Ties: 1956
Aug 1903–Jan 1905
18-Month
40.33"
(1,024.38mm)
44.14"
(1,121.16mm)
-3.81"
(-96.78mm)
15th Driest
Driest to Date
1955
113th Wettest
Wettest since:
2020
Feb 1903–Jan 1905
24-Month
57.22"
(1,453.39mm)
59.93"
(1,522.22mm)
-2.71"
(-68.83mm)
28th Driest
Driest since:
1918
100th Wettest
Wettest since:
2020
Feb 1902–Jan 1905
36-Month
88.67"
(2,252.22mm)
89.86"
(2,282.44mm)
-1.19"
(-30.22mm)
49th Driest
Driest since:
1957
78th Wettest
Wettest since:
2020
Feb 1901–Jan 1905
48-Month
115.76"
(2,940.30mm)
119.76"
(3,041.90mm)
-4.00"
(-101.60mm)
25th Driest
Driest since:
1957
101st Wettest
Wettest since:
2020
Ties: 1928
Feb 1900–Jan 1905
60-Month
146.64"
(3,724.66mm)
149.63"
(3,800.60mm)
-2.99"
(-75.94mm)
37th Driest
Driest since:
1957
88th Wettest
Wettest since:
2020

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