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 1931

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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 1931 1-Month	0.09" (2.29mm)	0.61" (15.49mm)	-0.52" (-13.20mm)	1st Driest	Driest to Date	1931
February 1931 1-Month	0.09" (2.29mm)	0.61" (15.49mm)	-0.52" (-13.20mm)	129th Wettest	Wettest since: 1930	2018
Jan–Feb 1931 2-Month	0.28" (7.11mm)	1.41" (35.81mm)	-1.13" (-28.70mm)	1st Driest	Driest to Date	1931
Jan–Feb 1931 2-Month	0.28" (7.11mm)	1.41" (35.81mm)	-1.13" (-28.70mm)	129th Wettest	Wettest since: 1930	1895
Dec 1930–Feb 1931 3-Month	0.40" (10.16mm)	2.18" (55.37mm)	-1.78" (-45.21mm)	1st Driest	Driest to Date	1931
Dec 1930–Feb 1931 3-Month	0.40" (10.16mm)	2.18" (55.37mm)	-1.78" (-45.21mm)	128th Wettest	Wettest since: 1930	1907
Nov 1930–Feb 1931 4-Month	1.73" (43.94mm)	2.90" (73.66mm)	-1.17" (-29.72mm)	11th Driest	Driest since: 1926	1944
Nov 1930–Feb 1931 4-Month	1.73" (43.94mm)	2.90" (73.66mm)	-1.17" (-29.72mm)	118th Wettest	Wettest since: 1930	1907
Oct 1930–Feb 1931 5-Month	2.75" (69.85mm)	3.72" (94.49mm)	-0.97" (-24.64mm)	22nd Driest	Driest since: 1921	1908
Oct 1930–Feb 1931 5-Month	2.75" (69.85mm)	3.72" (94.49mm)	-0.97" (-24.64mm)	107th Wettest	Wettest since: 1930	1907
Sep 1930–Feb 1931 6-Month	4.95" (125.73mm)	5.02" (127.51mm)	-0.07" (-1.78mm)	56th Driest	Driest since: 1929	1988
	4.95" (125.73mm)	5.02" (127.51mm)	-0.07" (-1.78mm)	73rd Wettest	Wettest since: 1930	1912
	Ties: 1958
Aug 1930–Feb 1931 7-Month	5.69" (144.53mm)	6.37" (161.80mm)	-0.68" (-17.27mm)	42nd Driest	Driest since: 1923	1905
Aug 1930–Feb 1931 7-Month	5.69" (144.53mm)	6.37" (161.80mm)	-0.68" (-17.27mm)	87th Wettest	Wettest since: 1930	1986
Jul 1930–Feb 1931 8-Month	6.58" (167.13mm)	7.96" (202.18mm)	-1.38" (-35.05mm)	32nd Driest	Driest since: 1921	1905
Jul 1930–Feb 1931 8-Month	6.58" (167.13mm)	7.96" (202.18mm)	-1.38" (-35.05mm)	97th Wettest	Wettest since: 1930	1994
Jun 1930–Feb 1931 9-Month	8.26" (209.80mm)	10.90" (276.86mm)	-2.64" (-67.06mm)	14th Driest	Driest since: 1921	1905
Jun 1930–Feb 1931 9-Month	8.26" (209.80mm)	10.90" (276.86mm)	-2.64" (-67.06mm)	115th Wettest	Wettest since: 1930	1994
May 1930–Feb 1931 10-Month	9.56" (242.82mm)	13.06" (331.72mm)	-3.50" (-88.90mm)	10th Driest	Driest since: 1919	1905
May 1930–Feb 1931 10-Month	9.56" (242.82mm)	13.06" (331.72mm)	-3.50" (-88.90mm)	119th Wettest	Wettest since: 1930	1928
Apr 1930–Feb 1931 11-Month	11.18" (283.97mm)	14.17" (359.92mm)	-2.99" (-75.95mm)	18th Driest	Driest since: 1920	1905
Apr 1930–Feb 1931 11-Month	11.18" (283.97mm)	14.17" (359.92mm)	-2.99" (-75.95mm)	111th Wettest	Wettest since: 1930	1928
Mar 1930–Feb 1931 12-Month	12.46" (316.48mm)	14.98" (380.49mm)	-2.52" (-64.01mm)	22nd Driest	Driest since: 1920	1905
Mar 1930–Feb 1931 12-Month	12.46" (316.48mm)	14.98" (380.49mm)	-2.52" (-64.01mm)	107th Wettest	Wettest since: 1930	1976
Sep 1929–Feb 1931 18-Month	18.92" (480.57mm)	20.01" (508.25mm)	-1.09" (-27.68mm)	46th Driest	Driest since: 1930	1905
Sep 1929–Feb 1931 18-Month	18.92" (480.57mm)	20.01" (508.25mm)	-1.09" (-27.68mm)	82nd Wettest	Wettest since: 1929	1928
Mar 1929–Feb 1931 24-Month	26.29" (667.77mm)	30.01" (762.25mm)	-3.72" (-94.48mm)	21st Driest	Driest since: 1921	1906
Mar 1929–Feb 1931 24-Month	26.29" (667.77mm)	30.01" (762.25mm)	-3.72" (-94.48mm)	107th Wettest	Wettest since: 1930	1917
Mar 1928–Feb 1931 36-Month	41.43" (1,052.32mm)	45.06" (1,144.52mm)	-3.63" (-92.20mm)	23rd Driest	Driest since: 1922	1921
Mar 1928–Feb 1931 36-Month	41.43" (1,052.32mm)	45.06" (1,144.52mm)	-3.63" (-92.20mm)	104th Wettest	Wettest since: 1930	1899
Mar 1927–Feb 1931 48-Month	64.04" (1,626.62mm)	60.14" (1,527.56mm)	3.90" (99.06mm)	93rd Driest	Driest since: 1927	1921
Mar 1927–Feb 1931 48-Month	64.04" (1,626.62mm)	60.14" (1,527.56mm)	3.90" (99.06mm)	33rd Wettest	Wettest since: 1930	1900
Mar 1926–Feb 1931 60-Month	77.91" (1,978.91mm)	75.29" (1,912.37mm)	2.62" (66.54mm)	84th Driest	Driest since: 1925	1922
Mar 1926–Feb 1931 60-Month	77.91" (1,978.91mm)	75.29" (1,912.37mm)	2.62" (66.54mm)	41st Wettest	Wettest since: 1930	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