Regional Rankings

Parameter:

Year:

Month:

Region:

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

Upper Colorado River Basin

Average Temperature Rankings, December 1899

View Period (Months):

All

Download:

Record Coolest

Bottom 1/10

Bottom 1/3

Normal

Top 1/3

Top 1/10

Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1899 1-Month	18.0°F (-7.8°C)	23.0°F (-5.0°C)	-5.0°F (-2.8°C)	19th Coolest	Coolest since: 1898	1909
	18.0°F (-7.8°C)	23.0°F (-5.0°C)	-5.0°F (-2.8°C)	110th Warmest	Warmest since: 1896	1980
	Ties: 1913, 2009
Nov–Dec 1899 2-Month	26.2°F (-3.2°C)	27.5°F (-2.5°C)	-1.3°F (-0.7°C)	38th Coolest	Coolest since: 1898	1895
	26.2°F (-3.2°C)	27.5°F (-2.5°C)	-1.3°F (-0.7°C)	91st Warmest	Warmest since: 1896	2017
	Ties: 1896, 1964, 1991
Oct–Dec 1899 3-Month	31.4°F (-0.3°C)	33.5°F (0.8°C)	-2.1°F (-1.1°C)	18th Coolest	Coolest since: 1898	1898
Oct–Dec 1899 3-Month	31.4°F (-0.3°C)	33.5°F (0.8°C)	-2.1°F (-1.1°C)	111th Warmest	Warmest since: 1897	1950, 2017
Sep–Dec 1899 4-Month	37.8°F (3.2°C)	39.2°F (4.0°C)	-1.4°F (-0.8°C)	22nd Coolest	Coolest since: 1898	1898, 1912
	37.8°F (3.2°C)	39.2°F (4.0°C)	-1.4°F (-0.8°C)	107th Warmest	Warmest since: 1897	2021
	Ties: 1970
Aug–Dec 1899 5-Month	42.5°F (5.8°C)	44.3°F (6.8°C)	-1.8°F (-1.0°C)	15th Coolest	Coolest since: 1898	1912
	42.5°F (5.8°C)	44.3°F (6.8°C)	-1.8°F (-1.0°C)	114th Warmest	Warmest since: 1897	2021
	Ties: 1909, 1932
Jul–Dec 1899 6-Month	46.5°F (8.1°C)	48.1°F (8.9°C)	-1.6°F (-0.8°C)	14th Coolest	Coolest since: 1898	1912
	46.5°F (8.1°C)	48.1°F (8.9°C)	-1.6°F (-0.8°C)	115th Warmest	Warmest since: 1897	2021
	Ties: 1971
Jun–Dec 1899 7-Month	48.3°F (9.1°C)	49.8°F (9.9°C)	-1.5°F (-0.8°C)	9th Coolest	Coolest since: 1898	1912
	48.3°F (9.1°C)	49.8°F (9.9°C)	-1.5°F (-0.8°C)	120th Warmest	Warmest since: 1897	2021
	Ties: 1905, 1924, 1928, 1932, 1951, 1993
May–Dec 1899 8-Month	48.3°F (9.1°C)	50.0°F (10.0°C)	-1.7°F (-0.9°C)	9th Coolest	Coolest since: 1898	1912
May–Dec 1899 8-Month	48.3°F (9.1°C)	50.0°F (10.0°C)	-1.7°F (-0.9°C)	120th Warmest	Warmest since: 1897	2021
Apr–Dec 1899 9-Month	47.7°F (8.7°C)	49.1°F (9.5°C)	-1.4°F (-0.8°C)	11th Coolest	Coolest since: 1898	1912
	47.7°F (8.7°C)	49.1°F (9.5°C)	-1.4°F (-0.8°C)	118th Warmest	Warmest since: 1898	2021
	Ties: 1898, 1903, 1924
Mar–Dec 1899 10-Month	46.1°F (7.8°C)	47.5°F (8.6°C)	-1.4°F (-0.8°C)	14th Coolest	Coolest since: 1898	1912
	46.1°F (7.8°C)	47.5°F (8.6°C)	-1.4°F (-0.8°C)	115th Warmest	Warmest since: 1897	2012
	Ties: 1932
Feb–Dec 1899 11-Month	43.7°F (6.5°C)	45.4°F (7.4°C)	-1.7°F (-0.9°C)	7th Coolest	Coolest since: 1895	1912
	43.7°F (6.5°C)	45.4°F (7.4°C)	-1.7°F (-0.9°C)	122nd Warmest	Warmest since: 1898	2017
	Ties: 1916, 1920
Jan–Dec 1899 12-Month	41.8°F (5.4°C)	43.5°F (6.4°C)	-1.7°F (-1.0°C)	10th Coolest	Coolest since: 1898	1895, 1912
	41.8°F (5.4°C)	43.5°F (6.4°C)	-1.7°F (-1.0°C)	119th Warmest	Warmest since: 1897	2012
	Ties: 1920, 1924, 1932, 1973
Jul 1898–Dec 1899 18-Month	43.1°F (6.2°C)	45.0°F (7.2°C)	-1.9°F (-1.0°C)	5th Coolest	Coolest since: 1898	1912
	43.1°F (6.2°C)	45.0°F (7.2°C)	-1.9°F (-1.0°C)	123rd Warmest	Warmest since: 1898	1934
	Ties: 1898, 1909
Jan 1898–Dec 1899 24-Month	41.5°F (5.3°C)	43.4°F (6.3°C)	-1.9°F (-1.0°C)	2nd Coolest	Coolest since: 1899	1913
Jan 1898–Dec 1899 24-Month	41.5°F (5.3°C)	43.4°F (6.3°C)	-1.9°F (-1.0°C)	126th Warmest	Warmest since: 1898	2018
Jan 1897–Dec 1899 36-Month	41.7°F (5.4°C)	43.4°F (6.3°C)	-1.7°F (-0.9°C)	1st Coolest	Coolest since: 1899	1899, 1913
	41.7°F (5.4°C)	43.4°F (6.3°C)	-1.7°F (-0.9°C)	126th Warmest	Warmest since: 1898	2017
	Ties: 1913
Jan 1896–Dec 1899 48-Month	42.0°F (5.6°C)	43.4°F (6.3°C)	-1.4°F (-0.7°C)	3rd Coolest	Coolest since: 1898	1898
	42.0°F (5.6°C)	43.4°F (6.3°C)	-1.4°F (-0.7°C)	123rd Warmest	Warmest to Date	2018
	Ties: 1914
Jan 1895–Dec 1899 60-Month	41.7°F (5.4°C)	43.4°F (6.3°C)	-1.7°F (-0.9°C)	1st Coolest	Coolest since: 1899	1899
Jan 1895–Dec 1899 60-Month	41.7°F (5.4°C)	43.4°F (6.3°C)	-1.7°F (-0.9°C)	124th Warmest	Warmest to Date	2018

Citing This Page

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