Divisional Rankings

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

Montana, Climate Division 3. North Central

Precipitation Rankings, February 1921

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
February 1921 1-Month	0.36" (9.14mm)	0.61" (15.49mm)	-0.25" (-6.35mm)	24th Driest	Driest since: 1912	1931
	0.36" (9.14mm)	0.61" (15.49mm)	-0.25" (-6.35mm)	106th Wettest	Wettest since: 1920	2018
	Ties: 1941, 1981, 2016
Jan–Feb 1921 2-Month	0.77" (19.56mm)	1.41" (35.81mm)	-0.64" (-16.25mm)	17th Driest	Driest since: 1906	1931
Jan–Feb 1921 2-Month	0.77" (19.56mm)	1.41" (35.81mm)	-0.64" (-16.25mm)	113th Wettest	Wettest since: 1920	1895
Dec 1920–Feb 1921 3-Month	1.16" (29.46mm)	2.18" (55.37mm)	-1.02" (-25.91mm)	10th Driest	Driest since: 1906	1931
Dec 1920–Feb 1921 3-Month	1.16" (29.46mm)	2.18" (55.37mm)	-1.02" (-25.91mm)	119th Wettest	Wettest since: 1920	1907
Nov 1920–Feb 1921 4-Month	1.31" (33.27mm)	2.90" (73.66mm)	-1.59" (-40.39mm)	2nd Driest	Driest to Date	1944
Nov 1920–Feb 1921 4-Month	1.31" (33.27mm)	2.90" (73.66mm)	-1.59" (-40.39mm)	127th Wettest	Wettest since: 1920	1907
Oct 1920–Feb 1921 5-Month	2.38" (60.45mm)	3.72" (94.49mm)	-1.34" (-34.04mm)	7th Driest	Driest since: 1908	1908
Oct 1920–Feb 1921 5-Month	2.38" (60.45mm)	3.72" (94.49mm)	-1.34" (-34.04mm)	122nd Wettest	Wettest since: 1920	1907
Sep 1920–Feb 1921 6-Month	2.75" (69.85mm)	5.02" (127.51mm)	-2.27" (-57.66mm)	6th Driest	Driest since: 1908	1988
Sep 1920–Feb 1921 6-Month	2.75" (69.85mm)	5.02" (127.51mm)	-2.27" (-57.66mm)	123rd Wettest	Wettest since: 1920	1912
Aug 1920–Feb 1921 7-Month	3.86" (98.04mm)	6.37" (161.80mm)	-2.51" (-63.76mm)	5th Driest	Driest since: 1906	1905
Aug 1920–Feb 1921 7-Month	3.86" (98.04mm)	6.37" (161.80mm)	-2.51" (-63.76mm)	124th Wettest	Wettest since: 1920	1986
Jul 1920–Feb 1921 8-Month	5.53" (140.46mm)	7.96" (202.18mm)	-2.43" (-61.72mm)	8th Driest	Driest since: 1906	1905
Jul 1920–Feb 1921 8-Month	5.53" (140.46mm)	7.96" (202.18mm)	-2.43" (-61.72mm)	121st Wettest	Wettest since: 1920	1994
Jun 1920–Feb 1921 9-Month	8.01" (203.45mm)	10.90" (276.86mm)	-2.89" (-73.41mm)	11th Driest	Driest since: 1905	1905
Jun 1920–Feb 1921 9-Month	8.01" (203.45mm)	10.90" (276.86mm)	-2.89" (-73.41mm)	118th Wettest	Wettest since: 1920	1994
May 1920–Feb 1921 10-Month	9.57" (243.08mm)	13.06" (331.72mm)	-3.49" (-88.64mm)	11th Driest	Driest since: 1919	1905
May 1920–Feb 1921 10-Month	9.57" (243.08mm)	13.06" (331.72mm)	-3.49" (-88.64mm)	118th Wettest	Wettest since: 1920	1928
Apr 1920–Feb 1921 11-Month	11.97" (304.04mm)	14.17" (359.92mm)	-2.20" (-55.88mm)	26th Driest	Driest since: 1920	1905
Apr 1920–Feb 1921 11-Month	11.97" (304.04mm)	14.17" (359.92mm)	-2.20" (-55.88mm)	103rd Wettest	Wettest since: 1918	1928
Mar 1920–Feb 1921 12-Month	12.54" (318.52mm)	14.98" (380.49mm)	-2.44" (-61.97mm)	25th Driest	Driest since: 1920	1905
Mar 1920–Feb 1921 12-Month	12.54" (318.52mm)	14.98" (380.49mm)	-2.44" (-61.97mm)	104th Wettest	Wettest since: 1918	1976
Sep 1919–Feb 1921 18-Month	18.16" (461.26mm)	20.01" (508.25mm)	-1.85" (-46.99mm)	34th Driest	Driest since: 1920	1905
Sep 1919–Feb 1921 18-Month	18.16" (461.26mm)	20.01" (508.25mm)	-1.85" (-46.99mm)	94th Wettest	Wettest since: 1918	1928
Mar 1919–Feb 1921 24-Month	23.41" (594.61mm)	30.01" (762.25mm)	-6.60" (-167.64mm)	7th Driest	Driest since: 1920	1906
Mar 1919–Feb 1921 24-Month	23.41" (594.61mm)	30.01" (762.25mm)	-6.60" (-167.64mm)	121st Wettest	Wettest since: 1918	1917
Mar 1918–Feb 1921 36-Month	33.52" (851.41mm)	45.06" (1,144.52mm)	-11.54" (-293.11mm)	1st Driest	Driest to Date	1921
Mar 1918–Feb 1921 36-Month	33.52" (851.41mm)	45.06" (1,144.52mm)	-11.54" (-293.11mm)	126th Wettest	Wettest since: 1920	1899
Mar 1917–Feb 1921 48-Month	46.78" (1,188.21mm)	60.14" (1,527.56mm)	-13.36" (-339.35mm)	1st Driest	Driest to Date	1921
Mar 1917–Feb 1921 48-Month	46.78" (1,188.21mm)	60.14" (1,527.56mm)	-13.36" (-339.35mm)	125th Wettest	Wettest since: 1920	1900
Mar 1916–Feb 1921 60-Month	66.46" (1,688.08mm)	75.29" (1,912.37mm)	-8.83" (-224.29mm)	9th Driest	Driest to Date	1922
Mar 1916–Feb 1921 60-Month	66.46" (1,688.08mm)	75.29" (1,912.37mm)	-8.83" (-224.29mm)	116th Wettest	Wettest since: 1920	1900

Citing This Page

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