National Rankings

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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 2010

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
January 2010 1-Month	2.62" (66.55mm)	2.31" (58.67mm)	0.31" (7.88mm)	100th Driest	Driest since: 2009	1981
January 2010 1-Month	2.62" (66.55mm)	2.31" (58.67mm)	0.31" (7.88mm)	30th Wettest	Wettest since: 2005	1916
Dec 2009–Jan 2010 2-Month	5.70" (144.78mm)	4.66" (118.36mm)	1.04" (26.42mm)	113th Driest	Driest since: 2009	1981
Dec 2009–Jan 2010 2-Month	5.70" (144.78mm)	4.66" (118.36mm)	1.04" (26.42mm)	16th Wettest	Wettest since: 1997	1932
Nov 2009–Jan 2010 3-Month	7.33" (186.18mm)	6.89" (175.01mm)	0.44" (11.17mm)	92nd Driest	Driest since: 2009	1977
Nov 2009–Jan 2010 3-Month	7.33" (186.18mm)	6.89" (175.01mm)	0.44" (11.17mm)	37th Wettest	Wettest since: 2005	2016
Oct 2009–Jan 2010 4-Month	11.62" (295.15mm)	9.06" (230.12mm)	2.56" (65.03mm)	125th Driest	Driest since: 2009	1981
Oct 2009–Jan 2010 4-Month	11.62" (295.15mm)	9.06" (230.12mm)	2.56" (65.03mm)	4th Wettest	Wettest since: 1974	2016
Sep 2009–Jan 2010 5-Month	14.16" (359.66mm)	11.55" (293.37mm)	2.61" (66.29mm)	123rd Driest	Driest since: 2009	1940
Sep 2009–Jan 2010 5-Month	14.16" (359.66mm)	11.55" (293.37mm)	2.61" (66.29mm)	6th Wettest	Wettest since: 1997	2019
Aug 2009–Jan 2010 6-Month	16.85" (427.99mm)	14.17" (359.92mm)	2.68" (68.07mm)	122nd Driest	Driest since: 2009	1940
Aug 2009–Jan 2010 6-Month	16.85" (427.99mm)	14.17" (359.92mm)	2.68" (68.07mm)	7th Wettest	Wettest since: 2005	2019
Jul 2009–Jan 2010 7-Month	19.92" (505.97mm)	16.96" (430.78mm)	2.96" (75.19mm)	121st Driest	Driest since: 2009	1940
Jul 2009–Jan 2010 7-Month	19.92" (505.97mm)	16.96" (430.78mm)	2.96" (75.19mm)	8th Wettest	Wettest since: 2005	2019
Jun 2009–Jan 2010 8-Month	22.93" (582.42mm)	19.88" (504.95mm)	3.05" (77.47mm)	121st Driest	Driest since: 2009	1981
Jun 2009–Jan 2010 8-Month	22.93" (582.42mm)	19.88" (504.95mm)	3.05" (77.47mm)	8th Wettest	Wettest since: 2005	2019
May 2009–Jan 2010 9-Month	26.24" (666.50mm)	22.79" (578.87mm)	3.45" (87.63mm)	121st Driest	Driest since: 2009	1918
May 2009–Jan 2010 9-Month	26.24" (666.50mm)	22.79" (578.87mm)	3.45" (87.63mm)	8th Wettest	Wettest since: 2005	2016
Apr 2009–Jan 2010 10-Month	29.07" (738.38mm)	25.32" (643.13mm)	3.75" (95.25mm)	120th Driest	Driest since: 2009	1940
Apr 2009–Jan 2010 10-Month	29.07" (738.38mm)	25.32" (643.13mm)	3.75" (95.25mm)	9th Wettest	Wettest since: 2005	2016
Mar 2009–Jan 2010 11-Month	31.77" (806.96mm)	27.83" (706.88mm)	3.94" (100.08mm)	123rd Driest	Driest since: 2009	1957
Mar 2009–Jan 2010 11-Month	31.77" (806.96mm)	27.83" (706.88mm)	3.94" (100.08mm)	6th Wettest	Wettest since: 1997	1974
Feb 2009–Jan 2010 12-Month	33.32" (846.33mm)	29.96" (760.98mm)	3.36" (85.35mm)	117th Driest	Driest since: 2009	1931
Feb 2009–Jan 2010 12-Month	33.32" (846.33mm)	29.96" (760.98mm)	3.36" (85.35mm)	12th Wettest	Wettest since: 2005	1974
Aug 2008–Jan 2010 18-Month	47.62" (1,209.55mm)	44.14" (1,121.16mm)	3.48" (88.39mm)	108th Driest	Driest since: 2009	1955
Aug 2008–Jan 2010 18-Month	47.62" (1,209.55mm)	44.14" (1,121.16mm)	3.48" (88.39mm)	20th Wettest	Wettest since: 2005	2020
Feb 2008–Jan 2010 24-Month	63.95" (1,624.33mm)	59.93" (1,522.22mm)	4.02" (102.11mm)	105th Driest	Driest since: 2009	1918
Feb 2008–Jan 2010 24-Month	63.95" (1,624.33mm)	59.93" (1,522.22mm)	4.02" (102.11mm)	23rd Wettest	Wettest since: 2006	2020
Feb 2007–Jan 2010 36-Month	93.12" (2,365.25mm)	89.86" (2,282.44mm)	3.26" (82.81mm)	90th Driest	Driest since: 2009	1957
Feb 2007–Jan 2010 36-Month	93.12" (2,365.25mm)	89.86" (2,282.44mm)	3.26" (82.81mm)	37th Wettest	Wettest since: 2007	2020
Feb 2006–Jan 2010 48-Month	122.55" (3,112.77mm)	119.76" (3,041.90mm)	2.79" (70.87mm)	83rd Driest	Driest since: 2009	1957
Feb 2006–Jan 2010 48-Month	122.55" (3,112.77mm)	119.76" (3,041.90mm)	2.79" (70.87mm)	43rd Wettest	Wettest since: 2008	2020
Feb 2005–Jan 2010 60-Month	152.54" (3,874.52mm)	149.63" (3,800.60mm)	2.91" (73.92mm)	76th Driest	Driest since: 2005	1957
Feb 2005–Jan 2010 60-Month	152.54" (3,874.52mm)	149.63" (3,800.60mm)	2.91" (73.92mm)	49th Wettest	Wettest since: 2009	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published May 2023, retrieved on June 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings