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 1906

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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 1906 1-Month	2.88" (73.15mm)	2.35" (59.69mm)	0.53" (13.46mm)	108th Driest	Driest since: 1905	1930
	2.88" (73.15mm)	2.35" (59.69mm)	0.53" (13.46mm)	21st Wettest	Wettest since: 1902	2015
	Ties: 2012
Nov–Dec 1906 2-Month	5.37" (136.40mm)	4.58" (116.33mm)	0.79" (20.07mm)	107th Driest	Driest since: 1905	1976
Nov–Dec 1906 2-Month	5.37" (136.40mm)	4.58" (116.33mm)	0.79" (20.07mm)	22nd Wettest	Wettest since: 1902	2015
Oct–Dec 1906 3-Month	7.45" (189.23mm)	6.74" (171.20mm)	0.71" (18.03mm)	92nd Driest	Driest since: 1905	1917
	7.45" (189.23mm)	6.74" (171.20mm)	0.71" (18.03mm)	37th Wettest	Wettest since: 1902	2015
	Ties: 1942
Sep–Dec 1906 4-Month	10.36" (263.14mm)	9.23" (234.44mm)	1.13" (28.70mm)	104th Driest	Driest since: 1905	1939
	10.36" (263.14mm)	9.23" (234.44mm)	1.13" (28.70mm)	25th Wettest	Wettest since: 1902	2018
	Ties: 1970
Aug–Dec 1906 5-Month	13.75" (349.25mm)	11.85" (300.99mm)	1.90" (48.26mm)	114th Driest	Driest since: 1905	1917
Aug–Dec 1906 5-Month	13.75" (349.25mm)	11.85" (300.99mm)	1.90" (48.26mm)	15th Wettest	Wettest to Date	2018
Jul–Dec 1906 6-Month	17.05" (433.07mm)	14.62" (371.35mm)	2.43" (61.72mm)	118th Driest	Driest since: 1905	1917
Jul–Dec 1906 6-Month	17.05" (433.07mm)	14.62" (371.35mm)	2.43" (61.72mm)	11th Wettest	Wettest to Date	2018
Jun–Dec 1906 7-Month	20.09" (510.29mm)	17.55" (445.77mm)	2.54" (64.52mm)	119th Driest	Driest since: 1905	1917
Jun–Dec 1906 7-Month	20.09" (510.29mm)	17.55" (445.77mm)	2.54" (64.52mm)	10th Wettest	Wettest to Date	2018
May–Dec 1906 8-Month	23.25" (590.55mm)	20.46" (519.68mm)	2.79" (70.87mm)	118th Driest	Driest since: 1905	1917
May–Dec 1906 8-Month	23.25" (590.55mm)	20.46" (519.68mm)	2.79" (70.87mm)	11th Wettest	Wettest to Date	2015
Apr–Dec 1906 9-Month	25.33" (643.38mm)	22.98" (583.69mm)	2.35" (59.69mm)	114th Driest	Driest since: 1905	1956
Apr–Dec 1906 9-Month	25.33" (643.38mm)	22.98" (583.69mm)	2.35" (59.69mm)	15th Wettest	Wettest to Date	2015
Mar–Dec 1906 10-Month	28.59" (726.19mm)	25.49" (647.45mm)	3.10" (78.74mm)	117th Driest	Driest since: 1905	1956
Mar–Dec 1906 10-Month	28.59" (726.19mm)	25.49" (647.45mm)	3.10" (78.74mm)	12th Wettest	Wettest to Date	2015
Feb–Dec 1906 11-Month	30.31" (769.87mm)	27.62" (701.55mm)	2.69" (68.32mm)	113th Driest	Driest since: 1904	1910
Feb–Dec 1906 11-Month	30.31" (769.87mm)	27.62" (701.55mm)	2.69" (68.32mm)	16th Wettest	Wettest since: 1905	2018
Jan–Dec 1906 12-Month	32.84" (834.14mm)	29.94" (760.48mm)	2.90" (73.66mm)	116th Driest	Driest since: 1905	1910
Jan–Dec 1906 12-Month	32.84" (834.14mm)	29.94" (760.48mm)	2.90" (73.66mm)	13th Wettest	Wettest to Date	1973
Jul 1905–Dec 1906 18-Month	48.13" (1,222.50mm)	44.58" (1,132.33mm)	3.55" (90.17mm)	109th Driest	Driest since: 1905	1954
Jul 1905–Dec 1906 18-Month	48.13" (1,222.50mm)	44.58" (1,132.33mm)	3.55" (90.17mm)	19th Wettest	Wettest to Date	2019
Jan 1905–Dec 1906 24-Month	65.44" (1,662.18mm)	59.90" (1,521.46mm)	5.54" (140.72mm)	117th Driest	Driest since: 1905	1931
	65.44" (1,662.18mm)	59.90" (1,521.46mm)	5.54" (140.72mm)	11th Wettest	Wettest to Date	2019
	Ties: 2015
Jan 1904–Dec 1906 36-Month	93.39" (2,372.11mm)	89.86" (2,282.44mm)	3.53" (89.67mm)	95th Driest	Driest since: 1905	1956
Jan 1904–Dec 1906 36-Month	93.39" (2,372.11mm)	89.86" (2,282.44mm)	3.53" (89.67mm)	32nd Wettest	Wettest to Date	2019
Jan 1903–Dec 1906 48-Month	122.75" (3,117.85mm)	119.78" (3,042.41mm)	2.97" (75.44mm)	89th Driest	Driest since: 1905	1956
Jan 1903–Dec 1906 48-Month	122.75" (3,117.85mm)	119.78" (3,042.41mm)	2.97" (75.44mm)	37th Wettest	Wettest to Date	2019
Jan 1902–Dec 1906 60-Month	153.38" (3,895.85mm)	149.68" (3,801.87mm)	3.70" (93.98mm)	86th Driest	Driest since: 1905	1956
Jan 1902–Dec 1906 60-Month	153.38" (3,895.85mm)	149.68" (3,801.87mm)	3.70" (93.98mm)	39th Wettest	Wettest to Date	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings