Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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, April 1913

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Record Coolest

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 1913 1-Month	42.4°F (5.8°C)	41.7°F (5.4°C)	0.7°F (0.4°C)	70th Coolest	Coolest since: 1912	1920
	42.4°F (5.8°C)	41.7°F (5.4°C)	0.7°F (0.4°C)	59th Warmest	Warmest since: 1910	1992
	Ties: 1899, 1902, 1916, 1938, 1948, 2014
Mar–Apr 1913 2-Month	35.8°F (2.1°C)	37.3°F (2.9°C)	-1.5°F (-0.8°C)	29th Coolest	Coolest since: 1912	1917
	35.8°F (2.1°C)	37.3°F (2.9°C)	-1.5°F (-0.8°C)	100th Warmest	Warmest since: 1911	1934, 1992
	Ties: 1902, 1932, 1980
Feb–Apr 1913 3-Month	31.1°F (-0.5°C)	33.4°F (0.8°C)	-2.3°F (-1.3°C)	23rd Coolest	Coolest since: 1909	1903
Feb–Apr 1913 3-Month	31.1°F (-0.5°C)	33.4°F (0.8°C)	-2.3°F (-1.3°C)	106th Warmest	Warmest since: 1912	1934
Jan–Apr 1913 4-Month	27.3°F (-2.6°C)	30.3°F (-0.9°C)	-3.0°F (-1.7°C)	14th Coolest	Coolest since: 1903	1917
	27.3°F (-2.6°C)	30.3°F (-0.9°C)	-3.0°F (-1.7°C)	115th Warmest	Warmest since: 1912	1934
	Ties: 1944
Dec 1912–Apr 1913 5-Month	25.3°F (-3.7°C)	28.8°F (-1.8°C)	-3.5°F (-1.9°C)	10th Coolest	Coolest since: 1903	1917
Dec 1912–Apr 1913 5-Month	25.3°F (-3.7°C)	28.8°F (-1.8°C)	-3.5°F (-1.9°C)	118th Warmest	Warmest since: 1912	1934
Nov 1912–Apr 1913 6-Month	26.4°F (-3.1°C)	29.4°F (-1.4°C)	-3.0°F (-1.7°C)	11th Coolest	Coolest since: 1903	1917
	26.4°F (-3.1°C)	29.4°F (-1.4°C)	-3.0°F (-1.7°C)	117th Warmest	Warmest since: 1912	1934
	Ties: 1899
Oct 1912–Apr 1913 7-Month	28.6°F (-1.9°C)	31.7°F (-0.2°C)	-3.1°F (-1.7°C)	8th Coolest	Coolest since: 1903	1917
	28.6°F (-1.9°C)	31.7°F (-0.2°C)	-3.1°F (-1.7°C)	120th Warmest	Warmest since: 1912	1934
	Ties: 1899
Sep 1912–Apr 1913 8-Month	31.2°F (-0.4°C)	34.8°F (1.6°C)	-3.6°F (-2.0°C)	2nd Coolest	Coolest to Date	1917
Sep 1912–Apr 1913 8-Month	31.2°F (-0.4°C)	34.8°F (1.6°C)	-3.6°F (-2.0°C)	126th Warmest	Warmest since: 1912	1934
Aug 1912–Apr 1913 9-Month	34.7°F (1.5°C)	38.1°F (3.4°C)	-3.4°F (-1.9°C)	2nd Coolest	Coolest to Date	1917
Aug 1912–Apr 1913 9-Month	34.7°F (1.5°C)	38.1°F (3.4°C)	-3.4°F (-1.9°C)	126th Warmest	Warmest since: 1912	1934
Jul 1912–Apr 1913 10-Month	37.6°F (3.1°C)	41.0°F (5.0°C)	-3.4°F (-1.9°C)	2nd Coolest	Coolest to Date	1917
Jul 1912–Apr 1913 10-Month	37.6°F (3.1°C)	41.0°F (5.0°C)	-3.4°F (-1.9°C)	126th Warmest	Warmest since: 1912	1934
Jun 1912–Apr 1913 11-Month	39.5°F (4.2°C)	42.7°F (5.9°C)	-3.2°F (-1.7°C)	2nd Coolest	Coolest to Date	1917
Jun 1912–Apr 1913 11-Month	39.5°F (4.2°C)	42.7°F (5.9°C)	-3.2°F (-1.7°C)	126th Warmest	Warmest since: 1912	1934
May 1912–Apr 1913 12-Month	40.2°F (4.6°C)	43.4°F (6.3°C)	-3.2°F (-1.7°C)	2nd Coolest	Coolest to Date	1917
May 1912–Apr 1913 12-Month	40.2°F (4.6°C)	43.4°F (6.3°C)	-3.2°F (-1.7°C)	126th Warmest	Warmest since: 1912	1934, 2015, 2018
Nov 1911–Apr 1913 18-Month	35.7°F (2.1°C)	38.7°F (3.7°C)	-3.0°F (-1.6°C)	1st Coolest	Coolest to Date	1913
Nov 1911–Apr 1913 18-Month	35.7°F (2.1°C)	38.7°F (3.7°C)	-3.0°F (-1.6°C)	126th Warmest	Warmest since: 1912	2018
May 1911–Apr 1913 24-Month	40.8°F (4.9°C)	43.4°F (6.3°C)	-2.6°F (-1.4°C)	1st Coolest	Coolest to Date	1913
May 1911–Apr 1913 24-Month	40.8°F (4.9°C)	43.4°F (6.3°C)	-2.6°F (-1.4°C)	126th Warmest	Warmest since: 1912	2018
May 1910–Apr 1913 36-Month	42.2°F (5.7°C)	43.4°F (6.3°C)	-1.2°F (-0.6°C)	10th Coolest	Coolest since: 1910	1914
	42.2°F (5.7°C)	43.4°F (6.3°C)	-1.2°F (-0.6°C)	116th Warmest	Warmest since: 1912	2017, 2018, 2019
	Ties: 1931
May 1909–Apr 1913 48-Month	42.4°F (5.8°C)	43.4°F (6.3°C)	-1.0°F (-0.5°C)	13th Coolest	Coolest since: 1909	1899, 1915
	42.4°F (5.8°C)	43.4°F (6.3°C)	-1.0°F (-0.5°C)	112th Warmest	Warmest since: 1912	2018
	Ties: 1909
May 1908–Apr 1913 60-Month	42.1°F (5.6°C)	43.4°F (6.3°C)	-1.3°F (-0.7°C)	6th Coolest	Coolest since: 1900	1917
	42.1°F (5.6°C)	43.4°F (6.3°C)	-1.3°F (-0.7°C)	118th Warmest	Warmest since: 1912	2018, 2019
	Ties: 1921

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings