Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Upper Midwest Climate Region

Precipitation Rankings, December 1938

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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 1938 1-Month	1.12" (28.45mm)	1.25" (31.75mm)	-0.13" (-3.30mm)	47th Driest	Driest since: 1937	1943
	1.12" (28.45mm)	1.25" (31.75mm)	-0.13" (-3.30mm)	82nd Wettest	Wettest since: 1936	2015
	Ties: 1901, 1974, 1981
Nov–Dec 1938 2-Month	3.25" (82.55mm)	3.10" (78.74mm)	0.15" (3.81mm)	77th Driest	Driest since: 1937	1976
	3.25" (82.55mm)	3.10" (78.74mm)	0.15" (3.81mm)	52nd Wettest	Wettest since: 1934	2015
	Ties: 1978, 2010
Oct–Dec 1938 3-Month	4.19" (106.43mm)	5.38" (136.65mm)	-1.19" (-30.22mm)	21st Driest	Driest since: 1924	1976
	4.19" (106.43mm)	5.38" (136.65mm)	-1.19" (-30.22mm)	108th Wettest	Wettest since: 1937	1982
	Ties: 1897, 1960
Sep–Dec 1938 4-Month	8.75" (222.25mm)	8.74" (222.00mm)	0.01" (0.25mm)	68th Driest	Driest since: 1937	1976
	8.75" (222.25mm)	8.74" (222.00mm)	0.01" (0.25mm)	61st Wettest	Wettest since: 1934	2019
	Ties: 1945
Aug–Dec 1938 5-Month	12.45" (316.23mm)	12.27" (311.66mm)	0.18" (4.57mm)	67th Driest	Driest since: 1937	1976
Aug–Dec 1938 5-Month	12.45" (316.23mm)	12.27" (311.66mm)	0.18" (4.57mm)	62nd Wettest	Wettest since: 1934	2019
Jul–Dec 1938 6-Month	16.16" (410.46mm)	15.84" (402.34mm)	0.32" (8.12mm)	69th Driest	Driest since: 1937	1976
	16.16" (410.46mm)	15.84" (402.34mm)	0.32" (8.12mm)	60th Wettest	Wettest since: 1934	1900
	Ties: 1921
Jun–Dec 1938 7-Month	20.09" (510.29mm)	19.89" (505.21mm)	0.20" (5.08mm)	61st Driest	Driest since: 1937	1976
	20.09" (510.29mm)	19.89" (505.21mm)	0.20" (5.08mm)	68th Wettest	Wettest since: 1935	2010
	Ties: 1975
May–Dec 1938 8-Month	25.32" (643.13mm)	23.31" (592.07mm)	2.01" (51.06mm)	90th Driest	Driest since: 1937	1976
May–Dec 1938 8-Month	25.32" (643.13mm)	23.31" (592.07mm)	2.01" (51.06mm)	39th Wettest	Wettest since: 1928	2019
Apr–Dec 1938 9-Month	28.25" (717.55mm)	25.81" (655.57mm)	2.44" (61.98mm)	92nd Driest	Driest since: 1937	1976
Apr–Dec 1938 9-Month	28.25" (717.55mm)	25.81" (655.57mm)	2.44" (61.98mm)	37th Wettest	Wettest since: 1905	2019
Mar–Dec 1938 10-Month	30.48" (774.19mm)	27.52" (699.01mm)	2.96" (75.18mm)	97th Driest	Driest since: 1937	1910
Mar–Dec 1938 10-Month	30.48" (774.19mm)	27.52" (699.01mm)	2.96" (75.18mm)	32nd Wettest	Wettest since: 1905	2019
Feb–Dec 1938 11-Month	32.10" (815.34mm)	28.54" (724.92mm)	3.56" (90.42mm)	101st Driest	Driest since: 1937	1910
Feb–Dec 1938 11-Month	32.10" (815.34mm)	28.54" (724.92mm)	3.56" (90.42mm)	28th Wettest	Wettest since: 1905	2019
Jan–Dec 1938 12-Month	33.55" (852.17mm)	29.68" (753.87mm)	3.87" (98.30mm)	108th Driest	Driest since: 1937	1910
	33.55" (852.17mm)	29.68" (753.87mm)	3.87" (98.30mm)	21st Wettest	Wettest since: 1905	2019
	Ties: 1905
Jul 1937–Dec 1938 18-Month	47.06" (1,195.32mm)	45.59" (1,157.99mm)	1.47" (37.33mm)	81st Driest	Driest since: 1937	1976
Jul 1937–Dec 1938 18-Month	47.06" (1,195.32mm)	45.59" (1,157.99mm)	1.47" (37.33mm)	47th Wettest	Wettest since: 1927	2019
Jan 1937–Dec 1938 24-Month	61.27" (1,556.26mm)	59.39" (1,508.51mm)	1.88" (47.75mm)	72nd Driest	Driest since: 1937	1989
Jan 1937–Dec 1938 24-Month	61.27" (1,556.26mm)	59.39" (1,508.51mm)	1.88" (47.75mm)	56th Wettest	Wettest since: 1916	2019
Jan 1936–Dec 1938 36-Month	84.80" (2,153.92mm)	89.07" (2,262.38mm)	-4.27" (-108.46mm)	27th Driest	Driest since: 1937	1989
Jan 1936–Dec 1938 36-Month	84.80" (2,153.92mm)	89.07" (2,262.38mm)	-4.27" (-108.46mm)	100th Wettest	Wettest since: 1929	2019
Jan 1935–Dec 1938 48-Month	113.86" (2,892.04mm)	118.71" (3,015.23mm)	-4.85" (-123.19mm)	29th Driest	Driest since: 1937	1936
Jan 1935–Dec 1938 48-Month	113.86" (2,892.04mm)	118.71" (3,015.23mm)	-4.85" (-123.19mm)	97th Wettest	Wettest since: 1929	2019
Jan 1934–Dec 1938 60-Month	139.17" (3,534.92mm)	148.36" (3,768.34mm)	-9.19" (-233.42mm)	13th Driest	Driest since: 1937	1936
Jan 1934–Dec 1938 60-Month	139.17" (3,534.92mm)	148.36" (3,768.34mm)	-9.19" (-233.42mm)	112th Wettest	Wettest since: 1931	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings