Climate at a Glance | Regional Rankings | National Centers for Environmental Information (NCEI)

Regional Rankings

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Please note, 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.

Northwest

April 1901 Average Temperature Rankings

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Coolest/Warmest Since	Record
April 1901 1-Month	40.6°F (4.8°C)	43.2°F (6.2°C)	-2.6°F	18th Coolest	Coolest since: 1896	1975
April 1901 1-Month	40.6°F (4.8°C)	43.2°F (6.2°C)	-2.6°F	113th Warmest	Warmest since: 1900	1934
Mar–Apr 1901 2-Month	38.3°F (3.5°C)	39.9°F (4.4°C)	-1.6°F	27th Coolest	Coolest since: 1899	1917
Mar–Apr 1901 2-Month	38.3°F (3.5°C)	39.9°F (4.4°C)	-1.6°F	104th Warmest	Warmest since: 1900	1934
Feb–Apr 1901 3-Month	35.2°F (1.8°C)	37.0°F (2.8°C)	-1.8°F	23rd Coolest	Coolest since: 1899	1917
Feb–Apr 1901 3-Month	35.2°F (1.8°C)	37.0°F (2.8°C)	-1.8°F	108th Warmest	Warmest since: 1900	1934
Jan–Apr 1901 4-Month	33.4°F (0.8°C)	34.5°F (1.4°C)	-1.1°F	36th Coolest	Coolest since: 1899	1922
Jan–Apr 1901 4-Month	33.4°F (0.8°C)	34.5°F (1.4°C)	-1.1°F	95th Warmest	Warmest since: 1900	1934
Dec 1900–Apr 1901 5-Month	33.4°F (0.8°C)	33.4°F (0.8°C)	0.0°F	60th Coolest	Coolest since: 1899	1917
Dec 1900–Apr 1901 5-Month	33.4°F (0.8°C)	33.4°F (0.8°C)	0.0°F	70th Warmest	Warmest since: 1900	1934
Nov 1900–Apr 1901 6-Month	33.6°F (0.9°C)	33.7°F (0.9°C)	-0.1°F	56th Coolest	Coolest since: 1899	1917
Nov 1900–Apr 1901 6-Month	33.6°F (0.9°C)	33.7°F (0.9°C)	-0.1°F	74th Warmest	Warmest since: 1900	1934
Oct 1900–Apr 1901 7-Month	35.2°F (1.8°C)	35.5°F (1.9°C)	-0.3°F	45th Coolest	Coolest since: 1899	1917
Oct 1900–Apr 1901 7-Month	35.2°F (1.8°C)	35.5°F (1.9°C)	-0.3°F	85th Warmest	Warmest since: 1900	1934
Sep 1900–Apr 1901 8-Month	37.5°F (3.1°C)	38.1°F (3.4°C)	-0.6°F	38th Coolest	Coolest since: 1899	1917
Sep 1900–Apr 1901 8-Month	37.5°F (3.1°C)	38.1°F (3.4°C)	-0.6°F	92nd Warmest	Warmest since: 1900	1934
Aug 1900–Apr 1901 9-Month	40.0°F (4.4°C)	40.9°F (4.9°C)	-0.9°F	25th Coolest	Coolest since: 1899	1917
Aug 1900–Apr 1901 9-Month	40.0°F (4.4°C)	40.9°F (4.9°C)	-0.9°F	105th Warmest	Warmest since: 1900	1934
Jul 1900–Apr 1901 10-Month	42.3°F (5.7°C)	43.3°F (6.3°C)	-1.0°F	21st Coolest	Coolest since: 1899	1917
Jul 1900–Apr 1901 10-Month	42.3°F (5.7°C)	43.3°F (6.3°C)	-1.0°F	109th Warmest	Warmest since: 1900	2015
Jun 1900–Apr 1901 11-Month	43.9°F (6.6°C)	44.6°F (7.0°C)	-0.7°F	27th Coolest	Coolest since: 1899	1917
Jun 1900–Apr 1901 11-Month	43.9°F (6.6°C)	44.6°F (7.0°C)	-0.7°F	103rd Warmest	Warmest since: 1900	2015
May 1900–Apr 1901 12-Month	44.6°F (7.0°C)	45.1°F (7.3°C)	-0.5°F	33rd Coolest	Coolest since: 1899	1917
May 1900–Apr 1901 12-Month	44.6°F (7.0°C)	45.1°F (7.3°C)	-0.5°F	97th Warmest	Warmest since: 1900	2015
Nov 1899–Apr 1901 18-Month	41.8°F (5.4°C)	41.3°F (5.2°C)	0.5°F	78th Coolest	Coolest since: 1900	1917
Nov 1899–Apr 1901 18-Month	41.8°F (5.4°C)	41.3°F (5.2°C)	0.5°F	51st Warmest	Warmest to Date	2016
May 1899–Apr 1901 24-Month	44.8°F (7.1°C)	45.1°F (7.3°C)	-0.3°F	37th Coolest	Coolest since: 1900	1917
May 1899–Apr 1901 24-Month	44.8°F (7.1°C)	45.1°F (7.3°C)	-0.3°F	92nd Warmest	Warmest to Date	2016
May 1898–Apr 1901 36-Month	44.4°F (6.9°C)	45.1°F (7.3°C)	-0.7°F	24th Coolest	Coolest since: 1899	1917
May 1898–Apr 1901 36-Month	44.4°F (6.9°C)	45.1°F (7.3°C)	-0.7°F	104th Warmest	Warmest since: 1900	2016
May 1897–Apr 1901 48-Month	44.6°F (7.0°C)	45.0°F (7.2°C)	-0.4°F	32nd Coolest	Coolest since: 1900	1913
May 1897–Apr 1901 48-Month	44.6°F (7.0°C)	45.0°F (7.2°C)	-0.4°F	95th Warmest	Warmest to Date	2016, 2018
May 1896–Apr 1901 60-Month	44.4°F (6.9°C)	45.0°F (7.2°C)	-0.6°F	16th Coolest	Coolest since: 1900	1917
May 1896–Apr 1901 60-Month	44.4°F (6.9°C)	45.0°F (7.2°C)	-0.6°F	110th Warmest	Warmest to Date	2018, 2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2025, retrieved on April 1, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings

Climate at a Glance Regional Rankings

Regional Rankings

Northwest

April 1901 Average Temperature Rankings

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