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, November 2021

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
November 2021
1-Month		1.30"
(33.02mm)		2.23"
(56.64mm)		-0.93"
(-23.62mm)		8th Driest
Driest since:
1917
121st Wettest
Wettest since:
1983
Oct–Nov 2021
2-Month		4.45"
(113.03mm)		4.40"
(111.76mm)		0.05"
(1.27mm)		68th Driest
Driest since:
1917
61st Wettest
Wettest since:
1985
Ties: 1942, 1960, 2001
Sep–Nov 2021
3-Month		6.84"
(173.74mm)		6.88"
(174.75mm)		-0.04"
(-1.01mm)		59th Driest
Driest since:
1939
70th Wettest
Wettest since:
1985
Aug–Nov 2021
4-Month		9.98"
(253.49mm)		9.50"
(241.30mm)		0.48"
(12.19mm)		81st Driest
Driest since:
1952
48th Wettest
Wettest since:
2018
Ties: 1988
Jul–Nov 2021
5-Month		13.39"
(340.11mm)		12.28"
(311.91mm)		1.11"
(28.20mm)		106th Driest
Driest since:
1952
23rd Wettest
Wettest since:
2018
Ties: 1998
Jun–Nov 2021
6-Month		16.36"
(415.54mm)		15.20"
(386.08mm)		1.16"
(29.46mm)		98th Driest
Driest since:
1952
31st Wettest
Wettest since:
2004
Ties: 1959
May–Nov 2021
7-Month		19.34"
(491.24mm)		18.12"
(460.25mm)		1.22"
(30.99mm)		95th Driest
Driest since:
1952
34th Wettest
Wettest since:
2004
Apr–Nov 2021
8-Month		21.40"
(543.56mm)		20.63"
(524.00mm)		0.77"
(19.56mm)		78th Driest
Driest since:
1952
51st Wettest
Wettest since:
2015
Mar–Nov 2021
9-Month		23.91"
(607.31mm)		23.14"
(587.76mm)		0.77"
(19.55mm)		77th Driest
Driest since:
1956
52nd Wettest
Wettest since:
1973
Feb–Nov 2021
10-Month		25.93"
(658.62mm)		25.28"
(642.11mm)		0.65"
(16.51mm)		73rd Driest
Driest since:
1910
56th Wettest
Wettest since:
2019
Jan–Nov 2021
11-Month		28.02"
(711.71mm)		27.59"
(700.79mm)		0.43"
(10.92mm)		67th Driest
Driest since:
1910
62nd Wettest
Wettest since:
2019
Dec 2020–Nov 2021
12-Month		30.07"
(763.78mm)		29.94"
(760.48mm)		0.13"
(3.30mm)		58th Driest
Driest since:
1931
70th Wettest
Wettest since:
2019
Jun 2020–Nov 2021
18-Month		44.72"
(1,135.89mm)		45.16"
(1,147.06mm)		-0.44"
(-11.17mm)		49th Driest
Driest since:
1931
79th Wettest
Wettest since:
2019
Dec 2019–Nov 2021
24-Month		60.97"
(1,548.64mm)		59.90"
(1,521.46mm)		1.07"
(27.18mm)		72nd Driest
Driest since:
1931
55th Wettest
Wettest since:
2019
Dec 2018–Nov 2021
36-Month		96.47"
(2,450.34mm)		89.86"
(2,282.44mm)		6.61"
(167.90mm)		113th Driest
Driest since:
1956
13th Wettest
Wettest since:
2019
Ties: 1995
Dec 2017–Nov 2021
48-Month		129.46"
(3,288.28mm)		119.78"
(3,042.41mm)		9.68"
(245.87mm)		117th Driest
Driest since:
1956
8th Wettest
Wettest since:
2019
Dec 2016–Nov 2021
60-Month		162.90"
(4,137.66mm)		149.66"
(3,801.36mm)		13.24"
(336.30mm)		121st Driest
Driest since:
1956
3rd Wettest
Wettest since:
2019

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