Regional Rankings

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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 1903

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1903 1-Month	22.0°F (-5.6°C)	23.0°F (-5.0°C)	-1.0°F (-0.6°C)	44th Coolest	Coolest since: 1902	1909
December 1903 1-Month	22.0°F (-5.6°C)	23.0°F (-5.0°C)	-1.0°F (-0.6°C)	85th Warmest	Warmest since: 1901	1980
Nov–Dec 1903 2-Month	27.2°F (-2.7°C)	27.5°F (-2.5°C)	-0.3°F (-0.2°C)	51st Coolest	Coolest since: 1902	1895
	27.2°F (-2.7°C)	27.5°F (-2.5°C)	-0.3°F (-0.2°C)	78th Warmest	Warmest since: 1901	2017
	Ties: 1927, 1935, 2015, 2018
Oct–Dec 1903 3-Month	33.1°F (0.6°C)	33.5°F (0.8°C)	-0.4°F (-0.2°C)	52nd Coolest	Coolest since: 1902	1898
	33.1°F (0.6°C)	33.5°F (0.8°C)	-0.4°F (-0.2°C)	77th Warmest	Warmest since: 1901	1950, 2017
	Ties: 1935, 1967, 1994
Sep–Dec 1903 4-Month	38.0°F (3.3°C)	39.2°F (4.0°C)	-1.2°F (-0.7°C)	26th Coolest	Coolest since: 1899	1898, 1912
	38.0°F (3.3°C)	39.2°F (4.0°C)	-1.2°F (-0.7°C)	103rd Warmest	Warmest since: 1902	2021
	Ties: 1928, 1982, 1985, 1993
Aug–Dec 1903 5-Month	43.4°F (6.3°C)	44.4°F (6.9°C)	-1.0°F (-0.6°C)	31st Coolest	Coolest since: 1902	1912
	43.4°F (6.3°C)	44.4°F (6.9°C)	-1.0°F (-0.6°C)	98th Warmest	Warmest since: 1901	2021
	Ties: 1956
Jul–Dec 1903 6-Month	46.9°F (8.3°C)	48.1°F (8.9°C)	-1.2°F (-0.6°C)	27th Coolest	Coolest since: 1902	1912
Jul–Dec 1903 6-Month	46.9°F (8.3°C)	48.1°F (8.9°C)	-1.2°F (-0.6°C)	102nd Warmest	Warmest since: 1901	2021
Jun–Dec 1903 7-Month	48.7°F (9.3°C)	49.9°F (9.9°C)	-1.2°F (-0.6°C)	23rd Coolest	Coolest since: 1899	1912
	48.7°F (9.3°C)	49.9°F (9.9°C)	-1.2°F (-0.6°C)	106th Warmest	Warmest since: 1902	2021
	Ties: 1897, 1907
May–Dec 1903 8-Month	48.6°F (9.2°C)	50.0°F (10.0°C)	-1.4°F (-0.8°C)	15th Coolest	Coolest since: 1899	1912
	48.6°F (9.2°C)	50.0°F (10.0°C)	-1.4°F (-0.8°C)	114th Warmest	Warmest since: 1902	2021
	Ties: 1924
Apr–Dec 1903 9-Month	47.7°F (8.7°C)	49.1°F (9.5°C)	-1.4°F (-0.8°C)	11th Coolest	Coolest since: 1899	1912
	47.7°F (8.7°C)	49.1°F (9.5°C)	-1.4°F (-0.8°C)	118th Warmest	Warmest since: 1902	2021
	Ties: 1898, 1899, 1924
Mar–Dec 1903 10-Month	45.9°F (7.7°C)	47.5°F (8.6°C)	-1.6°F (-0.9°C)	11th Coolest	Coolest since: 1898	1912
Mar–Dec 1903 10-Month	45.9°F (7.7°C)	47.5°F (8.6°C)	-1.6°F (-0.9°C)	118th Warmest	Warmest since: 1902	2012
Feb–Dec 1903 11-Month	42.8°F (6.0°C)	45.5°F (7.5°C)	-2.7°F (-1.5°C)	3rd Coolest	Coolest since: 1895	1912
Feb–Dec 1903 11-Month	42.8°F (6.0°C)	45.5°F (7.5°C)	-2.7°F (-1.5°C)	126th Warmest	Warmest since: 1902	2017
Jan–Dec 1903 12-Month	40.9°F (4.9°C)	43.5°F (6.4°C)	-2.6°F (-1.5°C)	3rd Coolest	Coolest since: 1895	1895, 1912
Jan–Dec 1903 12-Month	40.9°F (4.9°C)	43.5°F (6.4°C)	-2.6°F (-1.5°C)	126th Warmest	Warmest since: 1902	2012
Jul 1902–Dec 1903 18-Month	42.8°F (6.0°C)	45.0°F (7.2°C)	-2.2°F (-1.2°C)	3rd Coolest	Coolest since: 1903	1912
	42.8°F (6.0°C)	45.0°F (7.2°C)	-2.2°F (-1.2°C)	125th Warmest	Warmest since: 1902	1934
	Ties: 1917
Jan 1902–Dec 1903 24-Month	41.9°F (5.5°C)	43.4°F (6.3°C)	-1.5°F (-0.8°C)	8th Coolest	Coolest since: 1899	1913
	41.9°F (5.5°C)	43.4°F (6.3°C)	-1.5°F (-0.8°C)	120th Warmest	Warmest since: 1902	2018
	Ties: 1924, 1930
Jan 1901–Dec 1903 36-Month	42.6°F (5.9°C)	43.4°F (6.3°C)	-0.8°F (-0.4°C)	22nd Coolest	Coolest since: 1900	1899, 1913
	42.6°F (5.9°C)	43.4°F (6.3°C)	-0.8°F (-0.4°C)	105th Warmest	Warmest since: 1902	2017
	Ties: 1908, 1910, 1929
Jan 1900–Dec 1903 48-Month	43.0°F (6.1°C)	43.4°F (6.3°C)	-0.4°F (-0.2°C)	34th Coolest	Coolest since: 1901	1898
	43.0°F (6.1°C)	43.4°F (6.3°C)	-0.4°F (-0.2°C)	92nd Warmest	Warmest since: 1902	2018
	Ties: 1910, 1929, 1967, 1971, 1973, 1974, 1985
Jan 1899–Dec 1903 60-Month	42.8°F (6.0°C)	43.4°F (6.3°C)	-0.6°F (-0.3°C)	25th Coolest	Coolest since: 1902	1899
	42.8°F (6.0°C)	43.4°F (6.3°C)	-0.6°F (-0.3°C)	100th Warmest	Warmest since: 1902	2018
	Ties: 1902, 1922, 1925, 1930, 1952, 1968, 1975

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings