Statewide 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

Average Temperature Rankings, July 1999

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1999 1-Month	64.0°F (17.8°C)	65.7°F (18.7°C)	-1.7°F (-0.9°C)	24th Coolest	Coolest since: 1993	1993
	64.0°F (17.8°C)	65.7°F (18.7°C)	-1.7°F (-0.9°C)	105th Warmest	Warmest since: 1998	1936
	Ties: 1898, 1922
Jun–Jul 1999 2-Month	60.5°F (15.8°C)	62.0°F (16.7°C)	-1.5°F (-0.9°C)	23rd Coolest	Coolest since: 1993	1915
Jun–Jul 1999 2-Month	60.5°F (15.8°C)	62.0°F (16.7°C)	-1.5°F (-0.9°C)	106th Warmest	Warmest since: 1998	2021
May–Jul 1999 3-Month	56.6°F (13.7°C)	58.1°F (14.5°C)	-1.5°F (-0.8°C)	22nd Coolest	Coolest since: 1993	1915
	56.6°F (13.7°C)	58.1°F (14.5°C)	-1.5°F (-0.8°C)	107th Warmest	Warmest since: 1998	1936
	Ties: 1908, 1909, 1965
Apr–Jul 1999 4-Month	52.4°F (11.3°C)	53.7°F (12.1°C)	-1.3°F (-0.8°C)	25th Coolest	Coolest since: 1995	1907
	52.4°F (11.3°C)	53.7°F (12.1°C)	-1.3°F (-0.8°C)	104th Warmest	Warmest since: 1998	1988
	Ties: 1955, 1983, 2010
Mar–Jul 1999 5-Month	49.0°F (9.4°C)	48.9°F (9.4°C)	0.1°F (0.0°C)	64th Coolest	Coolest since: 1997	1899
	49.0°F (9.4°C)	48.9°F (9.4°C)	0.1°F (0.0°C)	65th Warmest	Warmest since: 1998	1910
	Ties: 1928, 1956, 1960, 1989, 2022
Feb–Jul 1999 6-Month	45.8°F (7.7°C)	44.2°F (6.8°C)	1.6°F (0.9°C)	94th Coolest	Coolest since: 1997	1899
Feb–Jul 1999 6-Month	45.8°F (7.7°C)	44.2°F (6.8°C)	1.6°F (0.9°C)	35th Warmest	Warmest since: 1998	2016
Jan–Jul 1999 7-Month	42.5°F (5.8°C)	40.4°F (4.7°C)	2.1°F (1.1°C)	98th Coolest	Coolest since: 1997	1899
Jan–Jul 1999 7-Month	42.5°F (5.8°C)	40.4°F (4.7°C)	2.1°F (1.1°C)	31st Warmest	Warmest since: 1998	1934
Dec 1998–Jul 1999 8-Month	39.8°F (4.3°C)	37.9°F (3.3°C)	1.9°F (1.0°C)	97th Coolest	Coolest since: 1997	1899
	39.8°F (4.3°C)	37.9°F (3.3°C)	1.9°F (1.0°C)	31st Warmest	Warmest since: 1998	1992
	Ties: 1990, 2004
Nov 1998–Jul 1999 9-Month	39.1°F (3.9°C)	37.0°F (2.8°C)	2.1°F (1.1°C)	106th Coolest	Coolest since: 1997	1899
	39.1°F (3.9°C)	37.0°F (2.8°C)	2.1°F (1.1°C)	22nd Warmest	Warmest since: 1998	1934
	Ties: 1940, 1958, 1990
Oct 1998–Jul 1999 10-Month	39.6°F (4.2°C)	37.6°F (3.1°C)	2.0°F (1.1°C)	107th Coolest	Coolest since: 1997	1899
	39.6°F (4.2°C)	37.6°F (3.1°C)	2.0°F (1.1°C)	21st Warmest	Warmest since: 1998	2016
	Ties: 1919, 2003
Sep 1998–Jul 1999 11-Month	41.6°F (5.3°C)	39.1°F (3.9°C)	2.5°F (1.4°C)	113th Coolest	Coolest since: 1998	1899
Sep 1998–Jul 1999 11-Month	41.6°F (5.3°C)	39.1°F (3.9°C)	2.5°F (1.4°C)	15th Warmest	Warmest since: 1992	2016
Aug 1998–Jul 1999 12-Month	43.8°F (6.6°C)	41.2°F (5.1°C)	2.6°F (1.5°C)	117th Coolest	Coolest since: 1998	1899
	43.8°F (6.6°C)	41.2°F (5.1°C)	2.6°F (1.5°C)	11th Warmest	Warmest since: 1992	2016
	Ties: 1931, 1961, 2007
Feb 1998–Jul 1999 18-Month	44.7°F (7.1°C)	42.2°F (5.7°C)	2.5°F (1.4°C)	119th Coolest	Coolest since: 1998	1899
	44.7°F (7.1°C)	42.2°F (5.7°C)	2.5°F (1.4°C)	9th Warmest	Warmest since: 1992	2016
	Ties: 1934, 2013
Aug 1997–Jul 1999 24-Month	43.6°F (6.4°C)	41.1°F (5.1°C)	2.5°F (1.3°C)	118th Coolest	Coolest since: 1998	1917
Aug 1997–Jul 1999 24-Month	43.6°F (6.4°C)	41.1°F (5.1°C)	2.5°F (1.3°C)	9th Warmest	Warmest since: 1992	2016
Aug 1996–Jul 1999 36-Month	42.5°F (5.8°C)	41.2°F (5.1°C)	1.3°F (0.7°C)	105th Coolest	Coolest since: 1998	1899, 1952
	42.5°F (5.8°C)	41.2°F (5.1°C)	1.3°F (0.7°C)	21st Warmest	Warmest since: 1992	2017
	Ties: 1940, 1942
Aug 1995–Jul 1999 48-Month	41.9°F (5.5°C)	41.0°F (5.0°C)	0.9°F (0.5°C)	88th Coolest	Coolest since: 1998	1952
	41.9°F (5.5°C)	41.0°F (5.0°C)	0.9°F (0.5°C)	37th Warmest	Warmest since: 1995	2007, 2017, 2018
	Ties: 1940, 2021
Aug 1994–Jul 1999 60-Month	42.0°F (5.6°C)	41.1°F (5.1°C)	0.9°F (0.5°C)	89th Coolest	Coolest since: 1998	1952
	42.0°F (5.6°C)	41.1°F (5.1°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 1995	2016
	Ties: 1943, 2012

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings