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 1909

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Warmest/Coolest Since	Record
April 1909 1-Month	54.7°F (12.6°C)	54.0°F (12.2°C)	0.7°F (0.4°C)	76th Coolest	Coolest since: 1906	1967
	54.7°F (12.6°C)	54.0°F (12.2°C)	0.7°F (0.4°C)	54th Warmest	Warmest since: 1908	1989
	Ties: 1899, 1960
Mar–Apr 1909 2-Month	50.2°F (10.1°C)	51.4°F (10.8°C)	-1.2°F (-0.7°C)	35th Coolest	Coolest since: 1903	1967
	50.2°F (10.1°C)	51.4°F (10.8°C)	-1.2°F (-0.7°C)	95th Warmest	Warmest since: 1908	1934
	Ties: 1919, 1969
Feb–Apr 1909 3-Month	48.0°F (8.9°C)	49.4°F (9.7°C)	-1.4°F (-0.8°C)	28th Coolest	Coolest since: 1903	1922
	48.0°F (8.9°C)	49.4°F (9.7°C)	-1.4°F (-0.8°C)	102nd Warmest	Warmest since: 1908	2015
	Ties: 1935, 1976
Jan–Apr 1909 4-Month	47.3°F (8.5°C)	47.6°F (8.7°C)	-0.3°F (-0.2°C)	47th Coolest	Coolest since: 1904	1922
Jan–Apr 1909 4-Month	47.3°F (8.5°C)	47.6°F (8.7°C)	-0.3°F (-0.2°C)	83rd Warmest	Warmest since: 1908	2015
Dec 1908–Apr 1909 5-Month	46.0°F (7.8°C)	46.7°F (8.2°C)	-0.7°F (-0.4°C)	29th Coolest	Coolest since: 1903	1917, 1949
	46.0°F (7.8°C)	46.7°F (8.2°C)	-0.7°F (-0.4°C)	100th Warmest	Warmest since: 1908	2015
	Ties: 1902, 1911, 1935, 1942, 1962
Nov 1908–Apr 1909 6-Month	46.7°F (8.2°C)	47.2°F (8.4°C)	-0.5°F (-0.2°C)	33rd Coolest	Coolest since: 1903	1917
	46.7°F (8.2°C)	47.2°F (8.4°C)	-0.5°F (-0.2°C)	96th Warmest	Warmest since: 1908	2015
	Ties: 1911, 1921, 1946, 1974, 1985
Oct 1908–Apr 1909 7-Month	48.0°F (8.9°C)	48.9°F (9.4°C)	-0.9°F (-0.5°C)	22nd Coolest	Coolest since: 1903	1917
	48.0°F (8.9°C)	48.9°F (9.4°C)	-0.9°F (-0.5°C)	107th Warmest	Warmest since: 1908	2015
	Ties: 1979, 1985
Sep 1908–Apr 1909 8-Month	50.4°F (10.2°C)	51.4°F (10.8°C)	-1.0°F (-0.6°C)	20th Coolest	Coolest since: 1903	1917
	50.4°F (10.2°C)	51.4°F (10.8°C)	-1.0°F (-0.6°C)	109th Warmest	Warmest since: 1908	2015
	Ties: 1897, 1969, 1975, 1979
Aug 1908–Apr 1909 9-Month	52.9°F (11.6°C)	53.9°F (12.2°C)	-1.0°F (-0.6°C)	21st Coolest	Coolest since: 1903	1917
	52.9°F (11.6°C)	53.9°F (12.2°C)	-1.0°F (-0.6°C)	108th Warmest	Warmest since: 1908	2015
	Ties: 1897, 1898
Jul 1908–Apr 1909 10-Month	55.3°F (12.9°C)	56.0°F (13.3°C)	-0.7°F (-0.4°C)	28th Coolest	Coolest since: 1903	1917
	55.3°F (12.9°C)	56.0°F (13.3°C)	-0.7°F (-0.4°C)	101st Warmest	Warmest since: 1908	2015
	Ties: 1964
Jun 1908–Apr 1909 11-Month	56.1°F (13.4°C)	57.1°F (13.9°C)	-1.0°F (-0.5°C)	15th Coolest	Coolest since: 1903	1917
	56.1°F (13.4°C)	57.1°F (13.9°C)	-1.0°F (-0.5°C)	114th Warmest	Warmest since: 1908	2015
	Ties: 1933, 1945, 1983
May 1908–Apr 1909 12-Month	56.1°F (13.4°C)	57.4°F (14.1°C)	-1.3°F (-0.7°C)	7th Coolest	Coolest since: 1903	1917
	56.1°F (13.4°C)	57.4°F (14.1°C)	-1.3°F (-0.7°C)	122nd Warmest	Warmest since: 1908	2015
	Ties: 1955
Nov 1907–Apr 1909 18-Month	53.2°F (11.8°C)	54.0°F (12.2°C)	-0.8°F (-0.4°C)	18th Coolest	Coolest since: 1904	1949
	53.2°F (11.8°C)	54.0°F (12.2°C)	-0.8°F (-0.4°C)	110th Warmest	Warmest since: 1908	2015
	Ties: 1898, 1924, 1973
May 1907–Apr 1909 24-Month	56.3°F (13.5°C)	57.4°F (14.1°C)	-1.1°F (-0.6°C)	8th Coolest	Coolest since: 1904	1913
	56.3°F (13.5°C)	57.4°F (14.1°C)	-1.1°F (-0.6°C)	120th Warmest	Warmest since: 1908	2015
	Ties: 1903, 1904, 1912
May 1906–Apr 1909 36-Month	56.5°F (13.6°C)	57.4°F (14.1°C)	-0.9°F (-0.5°C)	12th Coolest	Coolest since: 1904	1913, 1917
	56.5°F (13.6°C)	57.4°F (14.1°C)	-0.9°F (-0.5°C)	115th Warmest	Warmest since: 1908	2016
	Ties: 1903, 1904, 1923
May 1905–Apr 1909 48-Month	56.6°F (13.7°C)	57.4°F (14.1°C)	-0.8°F (-0.4°C)	16th Coolest	Coolest since: 1904	1913
	56.6°F (13.7°C)	57.4°F (14.1°C)	-0.8°F (-0.4°C)	110th Warmest	Warmest since: 1908	2016, 2018
	Ties: 1903, 1904
May 1904–Apr 1909 60-Month	56.9°F (13.8°C)	57.3°F (14.1°C)	-0.4°F (-0.3°C)	22nd Coolest	Coolest since: 1907	1913
	56.9°F (13.8°C)	57.3°F (14.1°C)	-0.4°F (-0.3°C)	103rd Warmest	Warmest since: 1908	2018
	Ties: 1900, 1901, 1902, 1905, 1906, 1907, 1948, 1951, 1976

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on June 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings