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 2022

View Period (Months):
Download: csv json xml
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
January 2022
1-Month 		1.65"
(41.91mm)		 2.31"
(58.67mm)		 -0.66"
(-16.76mm)		 15th Driest
Driest since:
 1981
114th Wettest
Wettest since:
 1916
Ties: 2011
Dec 2021–Jan 2022
2-Month 		4.05"
(102.87mm)		 4.66"
(118.36mm)		 -0.61"
(-15.49mm)		 27th Driest
Driest since:
 1981
101st Wettest
Wettest since:
 1932
Ties: 1902
Nov 2021–Jan 2022
3-Month 		5.35"
(135.89mm)		 6.89"
(175.01mm)		 -1.54"
(-39.12mm)		 12th Driest
Driest since:
 1977
116th Wettest
Wettest since:
 2016
Oct 2021–Jan 2022
4-Month 		8.50"
(215.90mm)		 9.06"
(230.12mm)		 -0.56"
(-14.22mm)		 41st Driest
Driest since:
 1981
87th Wettest
Wettest since:
 2016
Ties: 1900
Sep 2021–Jan 2022
5-Month 		10.89"
(276.61mm)		 11.55"
(293.37mm)		 -0.66"
(-16.76mm)		 41st Driest
Driest since:
 1940
87th Wettest
Wettest since:
 2019
Aug 2021–Jan 2022
6-Month 		14.03"
(356.36mm)		 14.17"
(359.92mm)		 -0.14"
(-3.56mm)		 56th Driest
Driest since:
 1940
72nd Wettest
Wettest since:
 2019
Jul 2021–Jan 2022
7-Month 		17.44"
(442.98mm)		 16.96"
(430.78mm)		 0.48"
(12.20mm)		 80th Driest
Driest since:
 1940
48th Wettest
Wettest since:
 2019
Jun 2021–Jan 2022
8-Month 		20.41"
(518.41mm)		 19.88"
(504.95mm)		 0.53"
(13.46mm)		 79th Driest
Driest since:
 1981
49th Wettest
Wettest since:
 2019
May 2021–Jan 2022
9-Month 		23.39"
(594.11mm)		 22.79"
(578.87mm)		 0.60"
(15.24mm)		 72nd Driest
Driest since:
 1918
56th Wettest
Wettest since:
 2016
Apr 2021–Jan 2022
10-Month 		25.45"
(646.43mm)		 25.32"
(643.13mm)		 0.13"
(3.30mm)		 56th Driest
Driest since:
 1940
72nd Wettest
Wettest since:
 2016
Mar 2021–Jan 2022
11-Month 		27.96"
(710.18mm)		 27.83"
(706.88mm)		 0.13"
(3.30mm)		 62nd Driest
Driest since:
 1957
66th Wettest
Wettest since:
 1974
Feb 2021–Jan 2022
12-Month 		29.98"
(761.49mm)		 29.96"
(760.98mm)		 0.02"
(0.51mm)		 57th Driest
Driest since:
 1931
71st Wettest
Wettest since:
 1974
Aug 2020–Jan 2022
18-Month 		43.10"
(1,094.74mm)		 44.14"
(1,121.16mm)		 -1.04"
(-26.42mm)		 38th Driest
Driest since:
 1955
89th Wettest
Wettest since:
 2020
Feb 2020–Jan 2022
24-Month 		59.69"
(1,516.13mm)		 59.93"
(1,522.22mm)		 -0.24"
(-6.09mm)		 57th Driest
Driest since:
 1918
70th Wettest
Wettest since:
 2020
Feb 2019–Jan 2022
36-Month 		94.71"
(2,405.63mm)		 89.86"
(2,282.44mm)		 4.85"
(123.19mm)		 101st Driest
Driest since:
 1957
25th Wettest
Wettest since:
 2020
Feb 2018–Jan 2022
48-Month 		130.07"
(3,303.78mm)		 119.76"
(3,041.90mm)		 10.31"
(261.88mm)		 119th Driest
Driest since:
 1957
6th Wettest
Wettest since:
 2020
Feb 2017–Jan 2022
60-Month 		160.99"
(4,089.15mm)		 149.63"
(3,800.60mm)		 11.36"
(288.55mm)		 117th Driest
Driest since:
 1957
7th Wettest
Wettest since:
 2020

Citing This Page