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, December 2016

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Record Driest

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
December 2016 1-Month	2.72" (69.09mm)	2.35" (59.69mm)	0.37" (9.40mm)	95th Driest	Driest since: 2014	1930
	2.72" (69.09mm)	2.35" (59.69mm)	0.37" (9.40mm)	34th Wettest	Wettest since: 2015	2015
	Ties: 1977
Nov–Dec 2016 2-Month	4.47" (113.54mm)	4.58" (116.33mm)	-0.11" (-2.79mm)	52nd Driest	Driest since: 2013	1976
Nov–Dec 2016 2-Month	4.47" (113.54mm)	4.58" (116.33mm)	-0.11" (-2.79mm)	77th Wettest	Wettest since: 2015	2015
Oct–Dec 2016 3-Month	6.86" (174.24mm)	6.74" (171.20mm)	0.12" (3.04mm)	66th Driest	Driest since: 2013	1917
Oct–Dec 2016 3-Month	6.86" (174.24mm)	6.74" (171.20mm)	0.12" (3.04mm)	63rd Wettest	Wettest since: 2015	2015
Sep–Dec 2016 4-Month	9.59" (243.59mm)	9.23" (234.44mm)	0.36" (9.15mm)	79th Driest	Driest since: 2013	1939
Sep–Dec 2016 4-Month	9.59" (243.59mm)	9.23" (234.44mm)	0.36" (9.15mm)	50th Wettest	Wettest since: 2015	2018
Aug–Dec 2016 5-Month	13.06" (331.72mm)	11.85" (300.99mm)	1.21" (30.73mm)	106th Driest	Driest since: 2014	1917
Aug–Dec 2016 5-Month	13.06" (331.72mm)	11.85" (300.99mm)	1.21" (30.73mm)	23rd Wettest	Wettest since: 2015	2018
Jul–Dec 2016 6-Month	15.98" (405.89mm)	14.62" (371.35mm)	1.36" (34.54mm)	106th Driest	Driest since: 2014	1917
	15.98" (405.89mm)	14.62" (371.35mm)	1.36" (34.54mm)	23rd Wettest	Wettest since: 2015	2018
	Ties: 1902
Jun–Dec 2016 7-Month	18.46" (468.88mm)	17.55" (445.77mm)	0.91" (23.11mm)	83rd Driest	Driest since: 2012	1917
	18.46" (468.88mm)	17.55" (445.77mm)	0.91" (23.11mm)	46th Wettest	Wettest since: 2015	2018
	Ties: 1975
May–Dec 2016 8-Month	21.53" (546.86mm)	20.46" (519.68mm)	1.07" (27.18mm)	87th Driest	Driest since: 2012	1917
	21.53" (546.86mm)	20.46" (519.68mm)	1.07" (27.18mm)	42nd Wettest	Wettest since: 2015	2015
	Ties: 1961
Apr–Dec 2016 9-Month	24.53" (623.06mm)	22.98" (583.69mm)	1.55" (39.37mm)	100th Driest	Driest since: 2012	1956
	24.53" (623.06mm)	22.98" (583.69mm)	1.55" (39.37mm)	29th Wettest	Wettest since: 2015	2015
	Ties: 1977
Mar–Dec 2016 10-Month	27.45" (697.23mm)	25.49" (647.45mm)	1.96" (49.78mm)	105th Driest	Driest since: 2014	1956
Mar–Dec 2016 10-Month	27.45" (697.23mm)	25.49" (647.45mm)	1.96" (49.78mm)	24th Wettest	Wettest since: 2015	2015
Feb–Dec 2016 11-Month	29.38" (746.25mm)	27.62" (701.55mm)	1.76" (44.70mm)	100th Driest	Driest since: 2013	1910
	29.38" (746.25mm)	27.62" (701.55mm)	1.76" (44.70mm)	29th Wettest	Wettest since: 2015	2018
	Ties: 1990
Jan–Dec 2016 12-Month	31.42" (798.07mm)	29.94" (760.48mm)	1.48" (37.59mm)	100th Driest	Driest since: 2014	1910
Jan–Dec 2016 12-Month	31.42" (798.07mm)	29.94" (760.48mm)	1.48" (37.59mm)	29th Wettest	Wettest since: 2015	1973
Jul 2015–Dec 2016 18-Month	49.49" (1,257.05mm)	44.58" (1,132.33mm)	4.91" (124.72mm)	122nd Driest	Driest since: 2014	1954
Jul 2015–Dec 2016 18-Month	49.49" (1,257.05mm)	44.58" (1,132.33mm)	4.91" (124.72mm)	6th Wettest	Wettest since: 2015	2019
Jan 2015–Dec 2016 24-Month	66.01" (1,676.65mm)	59.90" (1,521.46mm)	6.11" (155.19mm)	121st Driest	Driest since: 2015	1931
Jan 2015–Dec 2016 24-Month	66.01" (1,676.65mm)	59.90" (1,521.46mm)	6.11" (155.19mm)	7th Wettest	Wettest since: 1996	2019
Jan 2014–Dec 2016 36-Month	96.86" (2,460.24mm)	89.86" (2,282.44mm)	7.00" (177.80mm)	114th Driest	Driest since: 2015	1956
Jan 2014–Dec 2016 36-Month	96.86" (2,460.24mm)	89.86" (2,282.44mm)	7.00" (177.80mm)	13th Wettest	Wettest since: 1998	2019
Jan 2013–Dec 2016 48-Month	127.92" (3,249.17mm)	119.78" (3,042.41mm)	8.14" (206.76mm)	113th Driest	Driest since: 2015	1956
	127.92" (3,249.17mm)	119.78" (3,042.41mm)	8.14" (206.76mm)	13th Wettest	Wettest since: 1999	2019
	Ties: 1999
Jan 2012–Dec 2016 60-Month	155.45" (3,948.43mm)	149.68" (3,801.87mm)	5.77" (146.56mm)	100th Driest	Driest since: 2015	1956
Jan 2012–Dec 2016 60-Month	155.45" (3,948.43mm)	149.68" (3,801.87mm)	5.77" (146.56mm)	25th Wettest	Wettest since: 2000	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings