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 1973

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
December 1973 1-Month	3.09" (78.49mm)	2.35" (59.69mm)	0.74" (18.80mm)	119th Driest	Driest since: 1972	1930
December 1973 1-Month	3.09" (78.49mm)	2.35" (59.69mm)	0.74" (18.80mm)	10th Wettest	Wettest since: 1971	2015
Nov–Dec 1973 2-Month	6.26" (159.00mm)	4.58" (116.33mm)	1.68" (42.67mm)	124th Driest	Driest since: 1972	1976
Nov–Dec 1973 2-Month	6.26" (159.00mm)	4.58" (116.33mm)	1.68" (42.67mm)	5th Wettest	Wettest to Date	2015
Oct–Dec 1973 3-Month	8.63" (219.20mm)	6.74" (171.20mm)	1.89" (48.00mm)	120th Driest	Driest since: 1971	1917
Oct–Dec 1973 3-Month	8.63" (219.20mm)	6.74" (171.20mm)	1.89" (48.00mm)	9th Wettest	Wettest since: 1972	2015
Sep–Dec 1973 4-Month	12.09" (307.09mm)	9.23" (234.44mm)	2.86" (72.65mm)	124th Driest	Driest since: 1972	1939
Sep–Dec 1973 4-Month	12.09" (307.09mm)	9.23" (234.44mm)	2.86" (72.65mm)	5th Wettest	Wettest to Date	2018
Aug–Dec 1973 5-Month	14.15" (359.41mm)	11.85" (300.99mm)	2.30" (58.42mm)	117th Driest	Driest since: 1971	1917
Aug–Dec 1973 5-Month	14.15" (359.41mm)	11.85" (300.99mm)	2.30" (58.42mm)	12th Wettest	Wettest since: 1972	2018
Jul–Dec 1973 6-Month	17.11" (434.59mm)	14.62" (371.35mm)	2.49" (63.24mm)	120th Driest	Driest since: 1971	1917
Jul–Dec 1973 6-Month	17.11" (434.59mm)	14.62" (371.35mm)	2.49" (63.24mm)	9th Wettest	Wettest since: 1972	2018
Jun–Dec 1973 7-Month	20.16" (512.06mm)	17.55" (445.77mm)	2.61" (66.29mm)	120th Driest	Driest since: 1971	1917
Jun–Dec 1973 7-Month	20.16" (512.06mm)	17.55" (445.77mm)	2.61" (66.29mm)	9th Wettest	Wettest since: 1972	2018
May–Dec 1973 8-Month	23.19" (589.03mm)	20.46" (519.68mm)	2.73" (69.35mm)	117th Driest	Driest since: 1972	1917
May–Dec 1973 8-Month	23.19" (589.03mm)	20.46" (519.68mm)	2.73" (69.35mm)	12th Wettest	Wettest since: 1957	2015
Apr–Dec 1973 9-Month	26.52" (673.61mm)	22.98" (583.69mm)	3.54" (89.92mm)	121st Driest	Driest since: 1972	1956
Apr–Dec 1973 9-Month	26.52" (673.61mm)	22.98" (583.69mm)	3.54" (89.92mm)	8th Wettest	Wettest since: 1957	2015
Mar–Dec 1973 10-Month	30.52" (775.21mm)	25.49" (647.45mm)	5.03" (127.76mm)	127th Driest	Driest since: 1972	1956
Mar–Dec 1973 10-Month	30.52" (775.21mm)	25.49" (647.45mm)	5.03" (127.76mm)	2nd Wettest	Wettest to Date	2015
Feb–Dec 1973 11-Month	32.48" (824.99mm)	27.62" (701.55mm)	4.86" (123.44mm)	125th Driest	Driest since: 1972	1910
Feb–Dec 1973 11-Month	32.48" (824.99mm)	27.62" (701.55mm)	4.86" (123.44mm)	4th Wettest	Wettest to Date	2018
Jan–Dec 1973 12-Month	34.96" (887.98mm)	29.94" (760.48mm)	5.02" (127.50mm)	128th Driest	Driest since: 1972	1910
Jan–Dec 1973 12-Month	34.96" (887.98mm)	29.94" (760.48mm)	5.02" (127.50mm)	1st Wettest	Wettest to Date	1973
Jul 1972–Dec 1973 18-Month	52.09" (1,323.09mm)	44.58" (1,132.33mm)	7.51" (190.76mm)	126th Driest	Driest since: 1972	1954
Jul 1972–Dec 1973 18-Month	52.09" (1,323.09mm)	44.58" (1,132.33mm)	7.51" (190.76mm)	2nd Wettest	Wettest to Date	2019
Jan 1972–Dec 1973 24-Month	66.66" (1,693.16mm)	59.90" (1,521.46mm)	6.76" (171.70mm)	124th Driest	Driest since: 1972	1931
Jan 1972–Dec 1973 24-Month	66.66" (1,693.16mm)	59.90" (1,521.46mm)	6.76" (171.70mm)	4th Wettest	Wettest to Date	2019
Jan 1971–Dec 1973 36-Month	96.99" (2,463.55mm)	89.86" (2,282.44mm)	7.13" (181.11mm)	115th Driest	Driest since: 1972	1956
Jan 1971–Dec 1973 36-Month	96.99" (2,463.55mm)	89.86" (2,282.44mm)	7.13" (181.11mm)	12th Wettest	Wettest to Date	2019
Jan 1970–Dec 1973 48-Month	126.69" (3,217.93mm)	119.78" (3,042.41mm)	6.91" (175.52mm)	106th Driest	Driest since: 1972	1956
Jan 1970–Dec 1973 48-Month	126.69" (3,217.93mm)	119.78" (3,042.41mm)	6.91" (175.52mm)	20th Wettest	Wettest to Date	2019
Jan 1969–Dec 1973 60-Month	157.32" (3,995.93mm)	149.68" (3,801.87mm)	7.64" (194.06mm)	105th Driest	Driest since: 1972	1956
Jan 1969–Dec 1973 60-Month	157.32" (3,995.93mm)	149.68" (3,801.87mm)	7.64" (194.06mm)	20th Wettest	Wettest since: 1909	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published February 2023, retrieved on February 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings