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, January 1986

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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
January 1986 1-Month	0.53" (13.46mm)	0.79" (20.07mm)	-0.26" (-6.61mm)	41st Driest	Driest since: 1985	1944
	0.53" (13.46mm)	0.79" (20.07mm)	-0.26" (-6.61mm)	89th Wettest	Wettest since: 1984	1971
	Ties: 1933, 1956
Dec 1985–Jan 1986 2-Month	0.89" (22.61mm)	1.56" (39.62mm)	-0.67" (-17.01mm)	18th Driest	Driest since: 1961	1944
	0.89" (22.61mm)	1.56" (39.62mm)	-0.67" (-17.01mm)	111th Wettest	Wettest since: 1985	1918
	Ties: 2002
Nov 1985–Jan 1986 3-Month	2.06" (52.32mm)	2.29" (58.17mm)	-0.23" (-5.85mm)	54th Driest	Driest since: 1985	1944
Nov 1985–Jan 1986 3-Month	2.06" (52.32mm)	2.29" (58.17mm)	-0.23" (-5.85mm)	75th Wettest	Wettest since: 1984	1907
Oct 1985–Jan 1986 4-Month	3.35" (85.09mm)	3.11" (78.99mm)	0.24" (6.10mm)	78th Driest	Driest since: 1985	1908
	3.35" (85.09mm)	3.11" (78.99mm)	0.24" (6.10mm)	51st Wettest	Wettest since: 1982	1907
	Ties: 1935, 2020
Sep 1985–Jan 1986 5-Month	7.26" (184.40mm)	4.41" (112.01mm)	2.85" (72.39mm)	125th Driest	Driest since: 1985	1988
Sep 1985–Jan 1986 5-Month	7.26" (184.40mm)	4.41" (112.01mm)	2.85" (72.39mm)	4th Wettest	Wettest since: 1947	1912
Aug 1985–Jan 1986 6-Month	10.89" (276.61mm)	5.76" (146.30mm)	5.13" (130.31mm)	127th Driest	Driest since: 1985	2002
Aug 1985–Jan 1986 6-Month	10.89" (276.61mm)	5.76" (146.30mm)	5.13" (130.31mm)	2nd Wettest	Wettest since: 1912	1912
Jul 1985–Jan 1986 7-Month	11.28" (286.51mm)	7.34" (186.44mm)	3.94" (100.07mm)	125th Driest	Driest since: 1985	1905
Jul 1985–Jan 1986 7-Month	11.28" (286.51mm)	7.34" (186.44mm)	3.94" (100.07mm)	4th Wettest	Wettest since: 1979	1912
Jun 1985–Jan 1986 8-Month	11.87" (301.50mm)	10.29" (261.37mm)	1.58" (40.13mm)	94th Driest	Driest since: 1985	1905
Jun 1985–Jan 1986 8-Month	11.87" (301.50mm)	10.29" (261.37mm)	1.58" (40.13mm)	35th Wettest	Wettest since: 1979	1912
May 1985–Jan 1986 9-Month	14.08" (357.63mm)	12.45" (316.23mm)	1.63" (41.40mm)	95th Driest	Driest since: 1985	1905
May 1985–Jan 1986 9-Month	14.08" (357.63mm)	12.45" (316.23mm)	1.63" (41.40mm)	34th Wettest	Wettest since: 1979	1928
Apr 1985–Jan 1986 10-Month	15.15" (384.81mm)	13.56" (344.42mm)	1.59" (40.39mm)	94th Driest	Driest since: 1985	1905
Apr 1985–Jan 1986 10-Month	15.15" (384.81mm)	13.56" (344.42mm)	1.59" (40.39mm)	35th Wettest	Wettest since: 1979	1928
Mar 1985–Jan 1986 11-Month	16.16" (410.46mm)	14.37" (365.00mm)	1.79" (45.46mm)	95th Driest	Driest since: 1985	1905
	16.16" (410.46mm)	14.37" (365.00mm)	1.79" (45.46mm)	34th Wettest	Wettest since: 1979	1928
	Ties: 1947
Feb 1985–Jan 1986 12-Month	16.61" (421.89mm)	14.98" (380.49mm)	1.63" (41.40mm)	92nd Driest	Driest since: 1985	1919
Feb 1985–Jan 1986 12-Month	16.61" (421.89mm)	14.98" (380.49mm)	1.63" (41.40mm)	37th Wettest	Wettest since: 1979	1928
Aug 1984–Jan 1986 18-Month	21.93" (557.02mm)	20.76" (527.30mm)	1.17" (29.72mm)	85th Driest	Driest since: 1985	2002
Aug 1984–Jan 1986 18-Month	21.93" (557.02mm)	20.76" (527.30mm)	1.17" (29.72mm)	43rd Wettest	Wettest since: 1979	1928
Feb 1984–Jan 1986 24-Month	27.40" (695.96mm)	30.01" (762.25mm)	-2.61" (-66.29mm)	28th Driest	Driest since: 1985	1920
	27.40" (695.96mm)	30.01" (762.25mm)	-2.61" (-66.29mm)	100th Wettest	Wettest since: 1984	1917
	Ties: 1978
Feb 1983–Jan 1986 36-Month	41.00" (1,041.40mm)	45.06" (1,144.52mm)	-4.06" (-103.12mm)	19th Driest	Driest since: 1985	1921
Feb 1983–Jan 1986 36-Month	41.00" (1,041.40mm)	45.06" (1,144.52mm)	-4.06" (-103.12mm)	108th Wettest	Wettest since: 1984	1899
Feb 1982–Jan 1986 48-Month	57.13" (1,451.10mm)	60.16" (1,528.06mm)	-3.03" (-76.96mm)	36th Driest	Driest since: 1985	1921
Feb 1982–Jan 1986 48-Month	57.13" (1,451.10mm)	60.16" (1,528.06mm)	-3.03" (-76.96mm)	90th Wettest	Wettest since: 1984	1900
Feb 1981–Jan 1986 60-Month	72.68" (1,846.07mm)	75.31" (1,912.87mm)	-2.63" (-66.80mm)	39th Driest	Driest since: 1985	1922
Feb 1981–Jan 1986 60-Month	72.68" (1,846.07mm)	75.31" (1,912.87mm)	-2.63" (-66.80mm)	86th Wettest	Wettest since: 1983	1900

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings