Statewide Rankings

Parameter:

Year:

Month:

State:

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

Average Temperature Rankings, September 1966

View Period (Months):

All

Download: CSV JSON XML

Record Coolest
Bottom ⅒
Bottom ⅓
Normal
Top ⅓
Top ⅒
Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1966 1-Month	58.8°F (14.9°C)	53.8°F (12.1°C)	5.0°F (2.8°C)	120th Coolest	Coolest since: 1965	1965
	58.8°F (14.9°C)	53.8°F (12.1°C)	5.0°F (2.8°C)	9th Warmest	Warmest since: 1963	1998
	Ties: 2013
Aug–Sep 1966 2-Month	60.6°F (15.9°C)	59.0°F (15.0°C)	1.6°F (0.9°C)	94th Coolest	Coolest since: 1965	1965
	60.6°F (15.9°C)	59.0°F (15.0°C)	1.6°F (0.9°C)	35th Warmest	Warmest since: 1963	2022
	Ties: 1909, 1953, 1971, 2000
Jul–Sep 1966 3-Month	63.0°F (17.2°C)	61.2°F (16.2°C)	1.8°F (1.0°C)	103rd Coolest	Coolest since: 1965	1912
	63.0°F (17.2°C)	61.2°F (16.2°C)	1.8°F (1.0°C)	26th Warmest	Warmest since: 1963	2022
	Ties: 1979
Jun–Sep 1966 4-Month	61.5°F (16.4°C)	60.5°F (15.8°C)	1.0°F (0.6°C)	93rd Coolest	Coolest since: 1965	1993
	61.5°F (16.4°C)	60.5°F (15.8°C)	1.0°F (0.6°C)	36th Warmest	Warmest since: 1963	2021
	Ties: 2002
May–Sep 1966 5-Month	59.7°F (15.4°C)	58.4°F (14.7°C)	1.3°F (0.7°C)	97th Coolest	Coolest since: 1965	1907
	59.7°F (15.4°C)	58.4°F (14.7°C)	1.3°F (0.7°C)	32nd Warmest	Warmest since: 1963	1936
	Ties: 1991, 2016
Apr–Sep 1966 6-Month	56.0°F (13.3°C)	55.5°F (13.1°C)	0.5°F (0.2°C)	80th Coolest	Coolest since: 1965	1907
	56.0°F (13.3°C)	55.5°F (13.1°C)	0.5°F (0.2°C)	49th Warmest	Warmest since: 1963	1936
	Ties: 1948, 1960, 1989, 2014
Mar–Sep 1966 7-Month	52.6°F (11.4°C)	51.7°F (10.9°C)	0.9°F (0.5°C)	85th Coolest	Coolest since: 1965	1965
Mar–Sep 1966 7-Month	52.6°F (11.4°C)	51.7°F (10.9°C)	0.9°F (0.5°C)	44th Warmest	Warmest since: 1963	2012
Feb–Sep 1966 8-Month	48.4°F (9.1°C)	47.9°F (8.8°C)	0.5°F (0.3°C)	79th Coolest	Coolest since: 1965	1899
	48.4°F (9.1°C)	47.9°F (8.8°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 1963	2012, 2016
	Ties: 1958
Jan–Sep 1966 9-Month	44.4°F (6.9°C)	44.5°F (6.9°C)	-0.1°F (0.0°C)	62nd Coolest	Coolest since: 1965	1899
	44.4°F (6.9°C)	44.5°F (6.9°C)	-0.1°F (0.0°C)	67th Warmest	Warmest since: 1964	2012
	Ties: 1948
Dec 1965–Sep 1966 10-Month	42.4°F (5.8°C)	42.1°F (5.6°C)	0.3°F (0.2°C)	72nd Coolest	Coolest since: 1965	1950
	42.4°F (5.8°C)	42.1°F (5.6°C)	0.3°F (0.2°C)	56th Warmest	Warmest since: 1963	2012
	Ties: 1944, 1973, 2009
Nov 1965–Sep 1966 11-Month	41.3°F (5.2°C)	41.0°F (5.0°C)	0.3°F (0.2°C)	71st Coolest	Coolest since: 1965	1899
	41.3°F (5.2°C)	41.0°F (5.0°C)	0.3°F (0.2°C)	57th Warmest	Warmest since: 1963	2012
	Ties: 1910, 1930, 1935, 1973
Oct 1965–Sep 1966 12-Month	41.9°F (5.5°C)	41.2°F (5.1°C)	0.7°F (0.4°C)	82nd Coolest	Coolest since: 1965	1899
	41.9°F (5.5°C)	41.2°F (5.1°C)	0.7°F (0.4°C)	46th Warmest	Warmest since: 1964	2012
	Ties: 1944, 1954, 1964
Apr 1965–Sep 1966 18-Month	45.5°F (7.5°C)	45.9°F (7.7°C)	-0.4°F (-0.2°C)	41st Coolest	Coolest since: 1965	1917
	45.5°F (7.5°C)	45.9°F (7.7°C)	-0.4°F (-0.2°C)	87th Warmest	Warmest since: 1964	2016
	Ties: 1908, 1997
Oct 1964–Sep 1966 24-Month	40.0°F (4.4°C)	41.1°F (5.1°C)	-1.1°F (-0.7°C)	17th Coolest	Coolest since: 1965	1917
	40.0°F (4.4°C)	41.1°F (5.1°C)	-1.1°F (-0.7°C)	110th Warmest	Warmest since: 1965	2016
	Ties: 1898, 1957, 1965
Oct 1963–Sep 1966 36-Month	40.7°F (4.8°C)	41.1°F (5.1°C)	-0.4°F (-0.3°C)	35th Coolest	Coolest since: 1957	1951
	40.7°F (4.8°C)	41.1°F (5.1°C)	-0.4°F (-0.3°C)	91st Warmest	Warmest since: 1965	2017
	Ties: 1908, 1928, 1937, 1956, 1969
Oct 1962–Sep 1966 48-Month	41.3°F (5.2°C)	41.1°F (5.1°C)	0.2°F (0.1°C)	72nd Coolest	Coolest since: 1965	1952
	41.3°F (5.2°C)	41.1°F (5.1°C)	0.2°F (0.1°C)	53rd Warmest	Warmest since: 1964	2007, 2017, 2018
	Ties: 1926, 1932, 1976, 1986, 2011
Oct 1961–Sep 1966 60-Month	41.0°F (5.0°C)	41.1°F (5.1°C)	-0.1°F (-0.1°C)	50th Coolest	Coolest since: 1960	1952
	41.0°F (5.0°C)	41.1°F (5.1°C)	-0.1°F (-0.1°C)	74th Warmest	Warmest since: 1965	2016
	Ties: 1925, 1926, 1927, 1932, 1970, 1976, 1980, 1986

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings