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, September 1950

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1950 1-Month	67.7°F (19.8°C)	68.5°F (20.3°C)	-0.8°F (-0.5°C)	42nd Coolest	Coolest since: 1942	1986
	67.7°F (19.8°C)	68.5°F (20.3°C)	-0.8°F (-0.5°C)	87th Warmest	Warmest since: 1949	2020
	Ties: 1970
Aug–Sep 1950 2-Month	71.1°F (21.7°C)	71.1°F (21.7°C)	0.0°F (0.0°C)	53rd Coolest	Coolest since: 1949	1900
	71.1°F (21.7°C)	71.1°F (21.7°C)	0.0°F (0.0°C)	76th Warmest	Warmest since: 1947	2020
	Ties: 1928, 1931
Jul–Sep 1950 3-Month	72.6°F (22.6°C)	72.3°F (22.4°C)	0.3°F (0.2°C)	68th Coolest	Coolest since: 1949	1900
	72.6°F (22.6°C)	72.3°F (22.4°C)	0.3°F (0.2°C)	61st Warmest	Warmest since: 1945	2022
	Ties: 1932
Jun–Sep 1950 4-Month	71.2°F (21.8°C)	71.3°F (21.8°C)	-0.1°F (0.0°C)	48th Coolest	Coolest since: 1948	1907
	71.2°F (21.8°C)	71.3°F (21.8°C)	-0.1°F (0.0°C)	81st Warmest	Warmest since: 1949	2021
	Ties: 1929, 1952
May–Sep 1950 5-Month	69.2°F (20.7°C)	69.2°F (20.7°C)	0.0°F (0.0°C)	54th Coolest	Coolest since: 1949	1907
	69.2°F (20.7°C)	69.2°F (20.7°C)	0.0°F (0.0°C)	75th Warmest	Warmest since: 1949	2021
	Ties: 1946, 1949, 1957, 1968, 1975, 1986, 2010, 2011
Apr–Sep 1950 6-Month	67.0°F (19.4°C)	66.7°F (19.3°C)	0.3°F (0.1°C)	69th Coolest	Coolest since: 1948	1912
	67.0°F (19.4°C)	66.7°F (19.3°C)	0.3°F (0.1°C)	60th Warmest	Warmest since: 1949	2021
	Ties: 1904, 1935
Mar–Sep 1950 7-Month	64.4°F (18.0°C)	64.1°F (17.8°C)	0.3°F (0.2°C)	74th Coolest	Coolest since: 1949	1912
	64.4°F (18.0°C)	64.1°F (17.8°C)	0.3°F (0.2°C)	55th Warmest	Warmest since: 1947	2021
	Ties: 1932, 1970
Feb–Sep 1950 8-Month	62.1°F (16.7°C)	61.8°F (16.6°C)	0.3°F (0.1°C)	74th Coolest	Coolest since: 1949	1911
	62.1°F (16.7°C)	61.8°F (16.6°C)	0.3°F (0.1°C)	55th Warmest	Warmest since: 1947	2015
	Ties: 1943, 1979, 1993
Jan–Sep 1950 9-Month	59.4°F (15.2°C)	59.6°F (15.3°C)	-0.2°F (-0.1°C)	49th Coolest	Coolest since: 1949	1903, 1911, 1917
	59.4°F (15.2°C)	59.6°F (15.3°C)	-0.2°F (-0.1°C)	80th Warmest	Warmest since: 1947	2015
	Ties: 1906, 1935, 1946, 1983
Dec 1949–Sep 1950 10-Month	57.6°F (14.2°C)	57.9°F (14.4°C)	-0.3°F (-0.2°C)	40th Coolest	Coolest since: 1949	1917, 1933
	57.6°F (14.2°C)	57.9°F (14.4°C)	-0.3°F (-0.2°C)	88th Warmest	Warmest since: 1947	2015
	Ties: 1906, 1925, 1979, 1991, 1999
Nov 1949–Sep 1950 11-Month	57.3°F (14.1°C)	57.2°F (14.0°C)	0.1°F (0.1°C)	66th Coolest	Coolest since: 1949	1917
	57.3°F (14.1°C)	57.2°F (14.0°C)	0.1°F (0.1°C)	62nd Warmest	Warmest since: 1947	2015
	Ties: 1900, 1904, 1957, 1967, 1972, 2010
Oct 1949–Sep 1950 12-Month	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	55th Coolest	Coolest since: 1949	1917
	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	73rd Warmest	Warmest since: 1947	2015
	Ties: 1941, 1946, 1956, 1957, 1991
Apr 1949–Sep 1950 18-Month	60.6°F (15.9°C)	60.5°F (15.8°C)	0.1°F (0.1°C)	60th Coolest	Coolest since: 1949	1917
	60.6°F (15.9°C)	60.5°F (15.8°C)	0.1°F (0.1°C)	68th Warmest	Warmest since: 1947	2015
	Ties: 1918, 1930, 1937, 1943, 1947, 1963
Oct 1948–Sep 1950 24-Month	56.4°F (13.6°C)	57.4°F (14.1°C)	-1.0°F (-0.5°C)	9th Coolest	Coolest since: 1949	1913, 1949
	56.4°F (13.6°C)	57.4°F (14.1°C)	-1.0°F (-0.5°C)	118th Warmest	Warmest since: 1948	2015
	Ties: 1920
Oct 1947–Sep 1950 36-Month	56.2°F (13.4°C)	57.4°F (14.1°C)	-1.2°F (-0.7°C)	3rd Coolest	Coolest since: 1917	1913
	56.2°F (13.4°C)	57.4°F (14.1°C)	-1.2°F (-0.7°C)	123rd Warmest	Warmest since: 1949	2016
	Ties: 1912
Oct 1946–Sep 1950 48-Month	56.5°F (13.6°C)	57.4°F (14.1°C)	-0.9°F (-0.5°C)	8th Coolest	Coolest since: 1949	1913
	56.5°F (13.6°C)	57.4°F (14.1°C)	-0.9°F (-0.5°C)	117th Warmest	Warmest since: 1949	2017, 2018
	Ties: 1918, 1919, 1922, 1949
Oct 1945–Sep 1950 60-Month	56.7°F (13.7°C)	57.4°F (14.1°C)	-0.7°F (-0.4°C)	16th Coolest	Coolest since: 1949	1913
	56.7°F (13.7°C)	57.4°F (14.1°C)	-0.7°F (-0.4°C)	108th Warmest	Warmest since: 1948	2018
	Ties: 1918, 1922, 1925, 1952

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