Climate at a Glance | Statewide Rankings | National Centers for Environmental Information (NCEI)

Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Wisconsin

September 1938 Precipitation Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
September 1938 1-Month	7.01in (178.05mm)	3.75in (95.25mm)	3.26in	127th Driest	Driest since: 1937	1952
September 1938 1-Month	7.01in (178.05mm)	3.75in (95.25mm)	3.26in	4th Wettest	Wettest to Date	1986
Aug–Sep 1938 2-Month	11.90in (302.26mm)	7.53in (191.26mm)	4.37in	125th Driest	Driest since: 1937	1976
Aug–Sep 1938 2-Month	11.90in (302.26mm)	7.53in (191.26mm)	4.37in	6th Wettest	Wettest to Date	1980
Jul–Sep 1938 3-Month	16.31in (414.27mm)	11.32in (287.53mm)	4.99in	122nd Driest	Driest since: 1937	1976
Jul–Sep 1938 3-Month	16.31in (414.27mm)	11.32in (287.53mm)	4.99in	9th Wettest	Wettest since: 1903	1900
Jun–Sep 1938 4-Month	21.50in (546.10mm)	15.50in (393.70mm)	6.00in	126th Driest	Driest since: 1937	1976
Jun–Sep 1938 4-Month	21.50in (546.10mm)	15.50in (393.70mm)	6.00in	5th Wettest	Wettest to Date	2010
May–Sep 1938 5-Month	26.80in (680.72mm)	19.04in (483.62mm)	7.76in	129th Driest	Driest since: 1937	1976
May–Sep 1938 5-Month	26.80in (680.72mm)	19.04in (483.62mm)	7.76in	2nd Wettest	Wettest to Date	2010
Apr–Sep 1938 6-Month	29.95in (760.73mm)	21.67in (550.42mm)	8.28in	129th Driest	Driest since: 1937	1976
Apr–Sep 1938 6-Month	29.95in (760.73mm)	21.67in (550.42mm)	8.28in	2nd Wettest	Wettest to Date	2010
Mar–Sep 1938 7-Month	32.55in (826.77mm)	23.47in (596.14mm)	9.08in	130th Driest	Driest since: 1937	1910
Mar–Sep 1938 7-Month	32.55in (826.77mm)	23.47in (596.14mm)	9.08in	1st Wettest	Wettest to Date	1938
Feb–Sep 1938 8-Month	34.50in (876.30mm)	24.49in (622.05mm)	10.01in	130th Driest	Driest since: 1937	1910
Feb–Sep 1938 8-Month	34.50in (876.30mm)	24.49in (622.05mm)	10.01in	1st Wettest	Wettest to Date	1938
Jan–Sep 1938 9-Month	36.30in (922.02mm)	25.64in (651.26mm)	10.66in	130th Driest	Driest since: 1937	1910
Jan–Sep 1938 9-Month	36.30in (922.02mm)	25.64in (651.26mm)	10.66in	1st Wettest	Wettest to Date	1938
Dec 1937–Sep 1938 10-Month	37.12in (942.85mm)	26.91in (683.51mm)	10.21in	129th Driest	Driest since: 1937	1910
Dec 1937–Sep 1938 10-Month	37.12in (942.85mm)	26.91in (683.51mm)	10.21in	1st Wettest	Wettest to Date	1938
Nov 1937–Sep 1938 11-Month	38.62in (980.95mm)	28.89in (733.81mm)	9.73in	128th Driest	Driest since: 1937	1948
Nov 1937–Sep 1938 11-Month	38.62in (980.95mm)	28.89in (733.81mm)	9.73in	2nd Wettest	Wettest to Date	2016
Oct 1937–Sep 1938 12-Month	41.70in (1,059.18mm)	31.32in (795.53mm)	10.38in	126th Driest	Driest since: 1937	1948
Oct 1937–Sep 1938 12-Month	41.70in (1,059.18mm)	31.32in (795.53mm)	10.38in	4th Wettest	Wettest to Date	2019
Apr 1937–Sep 1938 18-Month	58.92in (1,496.57mm)	52.99in	5.93in	105th Driest	Driest since: 1937	1989
Apr 1937–Sep 1938 18-Month	58.92in (1,496.57mm)	52.99in	5.93in	25th Wettest	Wettest since: 1912	2019
Oct 1936–Sep 1938 24-Month	68.62in (1,742.95mm)	62.67in	5.95in	105th Driest	Driest since: 1937	1931
Oct 1936–Sep 1938 24-Month	68.62in (1,742.95mm)	62.67in	5.95in	24th Wettest	Wettest since: 1913	2020
Oct 1935–Sep 1938 36-Month	94.51in (2,400.55mm)	93.98in	0.53in	55th Driest	Driest since: 1937	1989
Oct 1935–Sep 1938 36-Month	94.51in (2,400.55mm)	93.98in	0.53in	73rd Wettest	Wettest since: 1929	2019
Oct 1934–Sep 1938 48-Month	128.46in (3,262.88mm)	125.23in	3.23in	72nd Driest	Driest since: 1937	1933
Oct 1934–Sep 1938 48-Month	128.46in (3,262.88mm)	125.23in	3.23in	55th Wettest	Wettest since: 1929	2019
Oct 1933–Sep 1938 60-Month	154.64in (3,927.86mm)	156.47in	-1.83in	42nd Driest	Driest since: 1937	1934
Oct 1933–Sep 1938 60-Month	154.64in (3,927.86mm)	156.47in	-1.83in	84th Wettest	Wettest since: 1929	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2025, retrieved on March 29, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings

Climate at a Glance Statewide Rankings

Statewide Rankings

Wisconsin

September 1938 Precipitation Rankings

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