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 1948

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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 1948 1-Month	2.59" (65.79mm)	2.35" (59.69mm)	0.24" (6.10mm)	80th Driest	Driest since: 1947	1930
December 1948 1-Month	2.59" (65.79mm)	2.35" (59.69mm)	0.24" (6.10mm)	49th Wettest	Wettest since: 1945	2015
Nov–Dec 1948 2-Month	5.98" (151.89mm)	4.58" (116.33mm)	1.40" (35.56mm)	121st Driest	Driest since: 1947	1976
Nov–Dec 1948 2-Month	5.98" (151.89mm)	4.58" (116.33mm)	1.40" (35.56mm)	8th Wettest	Wettest to Date	2015
Oct–Dec 1948 3-Month	7.52" (191.01mm)	6.74" (171.20mm)	0.78" (19.81mm)	95th Driest	Driest since: 1947	1917
	7.52" (191.01mm)	6.74" (171.20mm)	0.78" (19.81mm)	34th Wettest	Wettest since: 1946	2015
	Ties: 1940, 1981
Sep–Dec 1948 4-Month	9.33" (236.98mm)	9.23" (234.44mm)	0.10" (2.54mm)	60th Driest	Driest since: 1947	1939
	9.33" (236.98mm)	9.23" (234.44mm)	0.10" (2.54mm)	69th Wettest	Wettest since: 1946	2018
	Ties: 1974
Aug–Dec 1948 5-Month	11.57" (293.88mm)	11.85" (300.99mm)	-0.28" (-7.11mm)	47th Driest	Driest since: 1944	1917
Aug–Dec 1948 5-Month	11.57" (293.88mm)	11.85" (300.99mm)	-0.28" (-7.11mm)	82nd Wettest	Wettest since: 1947	2018
Jul–Dec 1948 6-Month	14.63" (371.60mm)	14.62" (371.35mm)	0.01" (0.25mm)	56th Driest	Driest since: 1947	1917
Jul–Dec 1948 6-Month	14.63" (371.60mm)	14.62" (371.35mm)	0.01" (0.25mm)	73rd Wettest	Wettest since: 1946	2018
Jun–Dec 1948 7-Month	17.86" (453.64mm)	17.55" (445.77mm)	0.31" (7.87mm)	65th Driest	Driest since: 1947	1917
Jun–Dec 1948 7-Month	17.86" (453.64mm)	17.55" (445.77mm)	0.31" (7.87mm)	64th Wettest	Wettest since: 1946	2018
May–Dec 1948 8-Month	20.63" (524.00mm)	20.46" (519.68mm)	0.17" (4.32mm)	66th Driest	Driest since: 1947	1917
May–Dec 1948 8-Month	20.63" (524.00mm)	20.46" (519.68mm)	0.17" (4.32mm)	63rd Wettest	Wettest since: 1946	2015
Apr–Dec 1948 9-Month	23.17" (588.52mm)	22.98" (583.69mm)	0.19" (4.83mm)	62nd Driest	Driest since: 1944	1956
Apr–Dec 1948 9-Month	23.17" (588.52mm)	22.98" (583.69mm)	0.19" (4.83mm)	67th Wettest	Wettest since: 1947	2015
Mar–Dec 1948 10-Month	26.17" (664.72mm)	25.49" (647.45mm)	0.68" (17.27mm)	72nd Driest	Driest since: 1947	1956
Mar–Dec 1948 10-Month	26.17" (664.72mm)	25.49" (647.45mm)	0.68" (17.27mm)	57th Wettest	Wettest since: 1946	2015
Feb–Dec 1948 11-Month	28.71" (729.23mm)	27.62" (701.55mm)	1.09" (27.68mm)	83rd Driest	Driest since: 1947	1910
Feb–Dec 1948 11-Month	28.71" (729.23mm)	27.62" (701.55mm)	1.09" (27.68mm)	46th Wettest	Wettest since: 1945	2018
Jan–Dec 1948 12-Month	30.69" (779.53mm)	29.94" (760.48mm)	0.75" (19.05mm)	83rd Driest	Driest since: 1947	1910
Jan–Dec 1948 12-Month	30.69" (779.53mm)	29.94" (760.48mm)	0.75" (19.05mm)	46th Wettest	Wettest since: 1946	1973
Jul 1947–Dec 1948 18-Month	44.28" (1,124.71mm)	44.58" (1,132.33mm)	-0.30" (-7.62mm)	50th Driest	Driest since: 1944	1954
Jul 1947–Dec 1948 18-Month	44.28" (1,124.71mm)	44.58" (1,132.33mm)	-0.30" (-7.62mm)	78th Wettest	Wettest since: 1947	2019
Jan 1947–Dec 1948 24-Month	60.04" (1,525.02mm)	59.90" (1,521.46mm)	0.14" (3.56mm)	62nd Driest	Driest since: 1944	1931
Jan 1947–Dec 1948 24-Month	60.04" (1,525.02mm)	59.90" (1,521.46mm)	0.14" (3.56mm)	66th Wettest	Wettest since: 1947	2019
Jan 1946–Dec 1948 36-Month	91.13" (2,314.70mm)	89.86" (2,282.44mm)	1.27" (32.26mm)	78th Driest	Driest since: 1945	1956
Jan 1946–Dec 1948 36-Month	91.13" (2,314.70mm)	89.86" (2,282.44mm)	1.27" (32.26mm)	49th Wettest	Wettest since: 1947	2019
Jan 1945–Dec 1948 48-Month	124.16" (3,153.66mm)	119.78" (3,042.41mm)	4.38" (111.25mm)	98th Driest	Driest since: 1947	1956
Jan 1945–Dec 1948 48-Month	124.16" (3,153.66mm)	119.78" (3,042.41mm)	4.38" (111.25mm)	28th Wettest	Wettest since: 1909	2019
Jan 1944–Dec 1948 60-Month	154.78" (3,931.41mm)	149.68" (3,801.87mm)	5.10" (129.54mm)	97th Driest	Driest since: 1947	1956
Jan 1944–Dec 1948 60-Month	154.78" (3,931.41mm)	149.68" (3,801.87mm)	5.10" (129.54mm)	28th Wettest	Wettest since: 1909	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