Regional Rankings

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Month:

Region:

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.

California River Basin

Average Temperature Rankings, April 1955

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
April 1955 1-Month	49.6°F (9.8°C)	54.0°F (12.2°C)	-4.4°F (-2.4°C)	6th Coolest	Coolest since: 1912	1967
April 1955 1-Month	49.6°F (9.8°C)	54.0°F (12.2°C)	-4.4°F (-2.4°C)	124th Warmest	Warmest since: 1954	1989
Mar–Apr 1955 2-Month	48.8°F (9.3°C)	51.4°F (10.8°C)	-2.6°F (-1.5°C)	9th Coolest	Coolest since: 1948	1967
	48.8°F (9.3°C)	51.4°F (10.8°C)	-2.6°F (-1.5°C)	121st Warmest	Warmest since: 1954	1934
	Ties: 1991
Feb–Apr 1955 3-Month	46.5°F (8.1°C)	49.4°F (9.7°C)	-2.9°F (-1.6°C)	6th Coolest	Coolest since: 1948	1922
	46.5°F (8.1°C)	49.4°F (9.7°C)	-2.9°F (-1.6°C)	124th Warmest	Warmest since: 1954	2015
	Ties: 1967
Jan–Apr 1955 4-Month	44.4°F (6.9°C)	47.6°F (8.7°C)	-3.2°F (-1.8°C)	5th Coolest	Coolest since: 1949	1922
Jan–Apr 1955 4-Month	44.4°F (6.9°C)	47.6°F (8.7°C)	-3.2°F (-1.8°C)	125th Warmest	Warmest since: 1954	2015
Dec 1954–Apr 1955 5-Month	43.9°F (6.6°C)	46.7°F (8.2°C)	-2.8°F (-1.6°C)	6th Coolest	Coolest since: 1949	1917, 1949
Dec 1954–Apr 1955 5-Month	43.9°F (6.6°C)	46.7°F (8.2°C)	-2.8°F (-1.6°C)	123rd Warmest	Warmest since: 1954	2015
Nov 1954–Apr 1955 6-Month	45.1°F (7.3°C)	47.2°F (8.4°C)	-2.1°F (-1.1°C)	7th Coolest	Coolest since: 1952	1917
	45.1°F (7.3°C)	47.2°F (8.4°C)	-2.1°F (-1.1°C)	122nd Warmest	Warmest since: 1954	2015
	Ties: 1952, 1973
Oct 1954–Apr 1955 7-Month	47.1°F (8.4°C)	48.9°F (9.4°C)	-1.8°F (-1.0°C)	8th Coolest	Coolest since: 1952	1917
	47.1°F (8.4°C)	48.9°F (9.4°C)	-1.8°F (-1.0°C)	121st Warmest	Warmest since: 1954	2015
	Ties: 1952
Sep 1954–Apr 1955 8-Month	49.7°F (9.8°C)	51.4°F (10.8°C)	-1.7°F (-1.0°C)	10th Coolest	Coolest since: 1949	1917
	49.7°F (9.8°C)	51.4°F (10.8°C)	-1.7°F (-1.0°C)	119th Warmest	Warmest since: 1954	2015
	Ties: 1922
Aug 1954–Apr 1955 9-Month	52.0°F (11.1°C)	53.9°F (12.2°C)	-1.9°F (-1.1°C)	6th Coolest	Coolest since: 1949	1917
	52.0°F (11.1°C)	53.9°F (12.2°C)	-1.9°F (-1.1°C)	123rd Warmest	Warmest since: 1954	2015
	Ties: 1973
Jul 1954–Apr 1955 10-Month	54.4°F (12.4°C)	56.0°F (13.3°C)	-1.6°F (-0.9°C)	6th Coolest	Coolest since: 1949	1917
Jul 1954–Apr 1955 10-Month	54.4°F (12.4°C)	56.0°F (13.3°C)	-1.6°F (-0.9°C)	123rd Warmest	Warmest since: 1954	2015
Jun 1954–Apr 1955 11-Month	55.4°F (13.0°C)	57.1°F (13.9°C)	-1.7°F (-0.9°C)	5th Coolest	Coolest since: 1949	1917
	55.4°F (13.0°C)	57.1°F (13.9°C)	-1.7°F (-0.9°C)	124th Warmest	Warmest since: 1954	2015
	Ties: 1903
May 1954–Apr 1955 12-Month	56.1°F (13.4°C)	57.4°F (14.1°C)	-1.3°F (-0.7°C)	7th Coolest	Coolest since: 1949	1917
	56.1°F (13.4°C)	57.4°F (14.1°C)	-1.3°F (-0.7°C)	122nd Warmest	Warmest since: 1954	2015
	Ties: 1909
Nov 1953–Apr 1955 18-Month	53.5°F (11.9°C)	54.0°F (12.2°C)	-0.5°F (-0.3°C)	27th Coolest	Coolest since: 1950	1949
	53.5°F (11.9°C)	54.0°F (12.2°C)	-0.5°F (-0.3°C)	101st Warmest	Warmest since: 1954	2015
	Ties: 1897, 1966, 1975, 1999
May 1953–Apr 1955 24-Month	56.7°F (13.7°C)	57.4°F (14.1°C)	-0.7°F (-0.4°C)	19th Coolest	Coolest since: 1950	1913
May 1953–Apr 1955 24-Month	56.7°F (13.7°C)	57.4°F (14.1°C)	-0.7°F (-0.4°C)	109th Warmest	Warmest since: 1954	2015
May 1952–Apr 1955 36-Month	57.1°F (13.9°C)	57.4°F (14.1°C)	-0.3°F (-0.2°C)	39th Coolest	Coolest since: 1951	1913, 1917
	57.1°F (13.9°C)	57.4°F (14.1°C)	-0.3°F (-0.2°C)	88th Warmest	Warmest since: 1954	2016
	Ties: 1925, 1948, 1958, 1964, 1965, 1967
May 1951–Apr 1955 48-Month	56.9°F (13.8°C)	57.4°F (14.1°C)	-0.5°F (-0.3°C)	25th Coolest	Coolest since: 1952	1913
	56.9°F (13.8°C)	57.4°F (14.1°C)	-0.5°F (-0.3°C)	101st Warmest	Warmest since: 1954	2016, 2018
	Ties: 1900, 1901, 1906, 1945, 1948, 1957, 1958, 1975
May 1950–Apr 1955 60-Month	57.2°F (14.0°C)	57.3°F (14.1°C)	-0.1°F (-0.1°C)	44th Coolest	Coolest since: 1953	1913
	57.2°F (14.0°C)	57.3°F (14.1°C)	-0.1°F (-0.1°C)	81st Warmest	Warmest since: 1954	2018
	Ties: 1933, 1945, 1947

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published June 2023, retrieved on June 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings