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.

California River Basin

Average Temperature Rankings, October 1930

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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
October 1930 1-Month	58.1°F (14.5°C)	59.5°F (15.3°C)	-1.4°F (-0.8°C)	30th Coolest	Coolest since: 1928	1916
	58.1°F (14.5°C)	59.5°F (15.3°C)	-1.4°F (-0.8°C)	99th Warmest	Warmest since: 1929	2020
	Ties: 1902, 1928, 2009
Sep–Oct 1930 2-Month	61.6°F (16.4°C)	64.0°F (17.8°C)	-2.4°F (-1.4°C)	10th Coolest	Coolest since: 1925	1916, 1920
	61.6°F (16.4°C)	64.0°F (17.8°C)	-2.4°F (-1.4°C)	119th Warmest	Warmest since: 1929	2020
	Ties: 1908
Aug–Oct 1930 3-Month	65.5°F (18.6°C)	67.3°F (19.6°C)	-1.8°F (-1.0°C)	13th Coolest	Coolest since: 1925	1900
	65.5°F (18.6°C)	67.3°F (19.6°C)	-1.8°F (-1.0°C)	116th Warmest	Warmest since: 1929	2020
	Ties: 1924
Jul–Oct 1930 4-Month	67.8°F (19.9°C)	69.1°F (20.6°C)	-1.3°F (-0.7°C)	14th Coolest	Coolest since: 1925	1912
Jul–Oct 1930 4-Month	67.8°F (19.9°C)	69.1°F (20.6°C)	-1.3°F (-0.7°C)	115th Warmest	Warmest since: 1929	2020
Jun–Oct 1930 5-Month	68.0°F (20.0°C)	68.9°F (20.5°C)	-0.9°F (-0.5°C)	20th Coolest	Coolest since: 1925	1912
	68.0°F (20.0°C)	68.9°F (20.5°C)	-0.9°F (-0.5°C)	109th Warmest	Warmest since: 1929	2020
	Ties: 1897, 1924, 1944
May–Oct 1930 6-Month	66.1°F (18.9°C)	67.6°F (19.8°C)	-1.5°F (-0.9°C)	10th Coolest	Coolest since: 1923	1916
May–Oct 1930 6-Month	66.1°F (18.9°C)	67.6°F (19.8°C)	-1.5°F (-0.9°C)	119th Warmest	Warmest since: 1929	2020
Apr–Oct 1930 7-Month	64.7°F (18.2°C)	65.6°F (18.7°C)	-0.9°F (-0.5°C)	21st Coolest	Coolest since: 1925	1912
	64.7°F (18.2°C)	65.6°F (18.7°C)	-0.9°F (-0.5°C)	108th Warmest	Warmest since: 1929	2020
	Ties: 1903, 1925, 1955, 1963, 1982
Mar–Oct 1930 8-Month	62.9°F (17.2°C)	63.5°F (17.5°C)	-0.6°F (-0.3°C)	31st Coolest	Coolest since: 1927	1912
	62.9°F (17.2°C)	63.5°F (17.5°C)	-0.6°F (-0.3°C)	98th Warmest	Warmest since: 1929	2014, 2015
	Ties: 1897, 1905, 1906, 1913
Feb–Oct 1930 9-Month	61.3°F (16.3°C)	61.5°F (16.4°C)	-0.2°F (-0.1°C)	48th Coolest	Coolest since: 1929	1912
	61.3°F (16.3°C)	61.5°F (16.4°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1928	2015
	Ties: 1906, 1918, 1945, 1983
Jan–Oct 1930 10-Month	59.2°F (15.1°C)	59.6°F (15.3°C)	-0.4°F (-0.2°C)	41st Coolest	Coolest since: 1929	1911, 1912
	59.2°F (15.1°C)	59.6°F (15.3°C)	-0.4°F (-0.2°C)	88th Warmest	Warmest since: 1928	2015
	Ties: 1921, 1932, 1935
Dec 1929–Oct 1930 11-Month	58.2°F (14.6°C)	58.1°F (14.5°C)	0.1°F (0.1°C)	68th Coolest	Coolest since: 1929	1912
	58.2°F (14.6°C)	58.1°F (14.5°C)	0.1°F (0.1°C)	60th Warmest	Warmest since: 1928	2015
	Ties: 1914, 1972, 1991, 1993, 2010
Nov 1929–Oct 1930 12-Month	57.6°F (14.2°C)	57.4°F (14.1°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1929	1912
	57.6°F (14.2°C)	57.4°F (14.1°C)	0.2°F (0.1°C)	59th Warmest	Warmest since: 1928	2015
	Ties: 1905, 1950, 2010
May 1929–Oct 1930 18-Month	61.0°F (16.1°C)	60.8°F (16.0°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1929	1912
	61.0°F (16.1°C)	60.8°F (16.0°C)	0.2°F (0.1°C)	59th Warmest	Warmest since: 1926	2015
	Ties: 1905, 1935, 1943, 1977, 1998
Nov 1928–Oct 1930 24-Month	57.0°F (13.9°C)	57.4°F (14.1°C)	-0.4°F (-0.2°C)	33rd Coolest	Coolest since: 1924	1912, 1949
	57.0°F (13.9°C)	57.4°F (14.1°C)	-0.4°F (-0.2°C)	94th Warmest	Warmest since: 1929	2015
	Ties: 1902, 1946, 1955, 1972, 1973, 1975
Nov 1927–Oct 1930 36-Month	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	50th Coolest	Coolest since: 1929	1913
	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	76th Warmest	Warmest since: 1928	2016
	Ties: 1906, 1943, 1971, 1974
Nov 1926–Oct 1930 48-Month	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	50th Coolest	Coolest since: 1926	1912, 1913
	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	75th Warmest	Warmest since: 1929	2017
	Ties: 1926, 1932, 1933, 1953, 1972
Nov 1925–Oct 1930 60-Month	57.5°F (14.2°C)	57.4°F (14.1°C)	0.1°F (0.1°C)	62nd Coolest	Coolest since: 1929	1913
	57.5°F (14.2°C)	57.4°F (14.1°C)	0.1°F (0.1°C)	62nd Warmest	Warmest since: 1928	2018
	Ties: 1944, 1964, 1971, 1978

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published March 2023, retrieved on March 25, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings