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 1918

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
April 1918 1-Month	53.9°F (12.2°C)	54.0°F (12.2°C)	-0.1°F (0.0°C)	60th Coolest	Coolest since: 1917	1967
	53.9°F (12.2°C)	54.0°F (12.2°C)	-0.1°F (0.0°C)	70th Warmest	Warmest since: 1916	1989
	Ties: 1973
Mar–Apr 1918 2-Month	51.3°F (10.7°C)	51.4°F (10.8°C)	-0.1°F (-0.1°C)	60th Coolest	Coolest since: 1917	1967
	51.3°F (10.7°C)	51.4°F (10.8°C)	-0.1°F (-0.1°C)	70th Warmest	Warmest since: 1916	1934
	Ties: 1899
Feb–Apr 1918 3-Month	48.7°F (9.3°C)	49.4°F (9.7°C)	-0.7°F (-0.4°C)	41st Coolest	Coolest since: 1917	1922
	48.7°F (9.3°C)	49.4°F (9.7°C)	-0.7°F (-0.4°C)	89th Warmest	Warmest since: 1916	2015
	Ties: 1953, 1974, 1979
Jan–Apr 1918 4-Month	47.2°F (8.4°C)	47.6°F (8.7°C)	-0.4°F (-0.3°C)	43rd Coolest	Coolest since: 1917	1922
	47.2°F (8.4°C)	47.6°F (8.7°C)	-0.4°F (-0.3°C)	87th Warmest	Warmest since: 1916	2015
	Ties: 1946, 1963, 1999
Dec 1917–Apr 1918 5-Month	47.1°F (8.4°C)	46.7°F (8.2°C)	0.4°F (0.2°C)	72nd Coolest	Coolest since: 1917	1917, 1949
	47.1°F (8.4°C)	46.7°F (8.2°C)	0.4°F (0.2°C)	57th Warmest	Warmest since: 1916	2015
	Ties: 1953, 1965, 2006
Nov 1917–Apr 1918 6-Month	47.8°F (8.8°C)	47.2°F (8.4°C)	0.6°F (0.4°C)	79th Coolest	Coolest since: 1917	1917
	47.8°F (8.8°C)	47.2°F (8.4°C)	0.6°F (0.4°C)	50th Warmest	Warmest since: 1914	2015
	Ties: 1936, 1960
Oct 1917–Apr 1918 7-Month	49.9°F (9.9°C)	48.9°F (9.4°C)	1.0°F (0.5°C)	89th Coolest	Coolest since: 1917	1917
	49.9°F (9.9°C)	48.9°F (9.4°C)	1.0°F (0.5°C)	40th Warmest	Warmest since: 1914	2015
	Ties: 1914, 1954, 1977
Sep 1917–Apr 1918 8-Month	52.2°F (11.2°C)	51.4°F (10.8°C)	0.8°F (0.4°C)	89th Coolest	Coolest since: 1917	1917
	52.2°F (11.2°C)	51.4°F (10.8°C)	0.8°F (0.4°C)	40th Warmest	Warmest since: 1914	2015
	Ties: 1977
Aug 1917–Apr 1918 9-Month	54.7°F (12.6°C)	53.9°F (12.2°C)	0.8°F (0.4°C)	91st Coolest	Coolest since: 1917	1917
Aug 1917–Apr 1918 9-Month	54.7°F (12.6°C)	53.9°F (12.2°C)	0.8°F (0.4°C)	38th Warmest	Warmest since: 1914	2015
Jul 1917–Apr 1918 10-Month	56.9°F (13.8°C)	56.0°F (13.3°C)	0.9°F (0.5°C)	97th Coolest	Coolest since: 1917	1917
	56.9°F (13.8°C)	56.0°F (13.3°C)	0.9°F (0.5°C)	32nd Warmest	Warmest to Date	2015
	Ties: 1984, 1986, 2006
Jun 1917–Apr 1918 11-Month	58.0°F (14.4°C)	57.1°F (13.9°C)	0.9°F (0.5°C)	96th Coolest	Coolest since: 1917	1917
	58.0°F (14.4°C)	57.1°F (13.9°C)	0.9°F (0.5°C)	33rd Warmest	Warmest to Date	2015
	Ties: 1951, 1988, 2012
May 1917–Apr 1918 12-Month	57.8°F (14.3°C)	57.4°F (14.1°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1917	1917
	57.8°F (14.3°C)	57.4°F (14.1°C)	0.4°F (0.2°C)	55th Warmest	Warmest since: 1914	2015
	Ties: 1914, 1953, 1977, 1985
Nov 1916–Apr 1918 18-Month	53.0°F (11.7°C)	54.0°F (12.2°C)	-1.0°F (-0.5°C)	12th Coolest	Coolest since: 1917	1949
Nov 1916–Apr 1918 18-Month	53.0°F (11.7°C)	54.0°F (12.2°C)	-1.0°F (-0.5°C)	116th Warmest	Warmest since: 1916	2015
May 1916–Apr 1918 24-Month	56.0°F (13.3°C)	57.4°F (14.1°C)	-1.4°F (-0.8°C)	4th Coolest	Coolest since: 1917	1913
May 1916–Apr 1918 24-Month	56.0°F (13.3°C)	57.4°F (14.1°C)	-1.4°F (-0.8°C)	124th Warmest	Warmest since: 1916	2015
May 1915–Apr 1918 36-Month	56.3°F (13.5°C)	57.4°F (14.1°C)	-1.1°F (-0.6°C)	5th Coolest	Coolest since: 1917	1913, 1917
	56.3°F (13.5°C)	57.4°F (14.1°C)	-1.1°F (-0.6°C)	122nd Warmest	Warmest since: 1916	2016
	Ties: 1910, 1912, 1922, 1949, 1950
May 1914–Apr 1918 48-Month	56.4°F (13.6°C)	57.4°F (14.1°C)	-1.0°F (-0.5°C)	7th Coolest	Coolest since: 1917	1913
	56.4°F (13.6°C)	57.4°F (14.1°C)	-1.0°F (-0.5°C)	119th Warmest	Warmest since: 1917	2016, 2018
	Ties: 1914, 1917
May 1913–Apr 1918 60-Month	56.7°F (13.7°C)	57.3°F (14.1°C)	-0.6°F (-0.4°C)	16th Coolest	Coolest since: 1917	1913
	56.7°F (13.7°C)	57.3°F (14.1°C)	-0.6°F (-0.4°C)	109th Warmest	Warmest since: 1909	2018
	Ties: 1903, 1904, 1925, 1950, 1952

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on June 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings