Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. 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, July 1952

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1952 1-Month	75.6°F (24.2°C)	74.7°F (23.7°C)	0.9°F (0.5°C)	82nd Coolest	Coolest since: 1951	1987
	75.6°F (24.2°C)	74.7°F (23.7°C)	0.9°F (0.5°C)	47th Warmest	Warmest since: 1950	2021
	Ties: 1921, 1926
Jun–Jul 1952 2-Month	69.9°F (21.1°C)	71.4°F (21.9°C)	-1.5°F (-0.8°C)	13th Coolest	Coolest since: 1944	1944
Jun–Jul 1952 2-Month	69.9°F (21.1°C)	71.4°F (21.9°C)	-1.5°F (-0.8°C)	116th Warmest	Warmest since: 1951	2021
May–Jul 1952 3-Month	67.7°F (19.8°C)	67.9°F (19.9°C)	-0.2°F (-0.1°C)	48th Coolest	Coolest since: 1948	1953, 1998
	67.7°F (19.8°C)	67.9°F (19.9°C)	-0.2°F (-0.1°C)	81st Warmest	Warmest since: 1951	2021
	Ties: 1927, 1946
Apr–Jul 1952 4-Month	64.4°F (18.0°C)	64.5°F (18.1°C)	-0.1°F (-0.1°C)	55th Coolest	Coolest since: 1948	1944
	64.4°F (18.0°C)	64.5°F (18.1°C)	-0.1°F (-0.1°C)	74th Warmest	Warmest since: 1951	2021
	Ties: 1945, 1977, 1993
Mar–Jul 1952 5-Month	60.2°F (15.7°C)	61.3°F (16.3°C)	-1.1°F (-0.6°C)	26th Coolest	Coolest since: 1948	1912
	60.2°F (15.7°C)	61.3°F (16.3°C)	-1.1°F (-0.6°C)	103rd Warmest	Warmest since: 1951	2013, 2014
	Ties: 1906, 1908, 1911, 1933, 1980, 2011
Feb–Jul 1952 6-Month	57.5°F (14.2°C)	58.6°F (14.8°C)	-1.1°F (-0.6°C)	26th Coolest	Coolest since: 1948	1948
	57.5°F (14.2°C)	58.6°F (14.8°C)	-1.1°F (-0.6°C)	103rd Warmest	Warmest since: 1951	2015
	Ties: 1999
Jan–Jul 1952 7-Month	54.9°F (12.7°C)	56.4°F (13.6°C)	-1.5°F (-0.9°C)	13th Coolest	Coolest since: 1949	1955
	54.9°F (12.7°C)	56.4°F (13.6°C)	-1.5°F (-0.9°C)	116th Warmest	Warmest since: 1951	2014
	Ties: 1911, 1912, 1923, 1929
Dec 1951–Jul 1952 8-Month	53.1°F (11.7°C)	54.7°F (12.6°C)	-1.6°F (-0.9°C)	11th Coolest	Coolest since: 1949	1917
	53.1°F (11.7°C)	54.7°F (12.6°C)	-1.6°F (-0.9°C)	117th Warmest	Warmest since: 1951	2015
	Ties: 1929, 1937
Nov 1951–Jul 1952 9-Month	52.6°F (11.4°C)	54.0°F (12.2°C)	-1.4°F (-0.8°C)	9th Coolest	Coolest since: 1949	1917
	52.6°F (11.4°C)	54.0°F (12.2°C)	-1.4°F (-0.8°C)	119th Warmest	Warmest since: 1951	2015
	Ties: 1929, 1975
Oct 1951–Jul 1952 10-Month	53.2°F (11.8°C)	54.6°F (12.6°C)	-1.4°F (-0.8°C)	9th Coolest	Coolest since: 1949	1917
	53.2°F (11.8°C)	54.6°F (12.6°C)	-1.4°F (-0.8°C)	119th Warmest	Warmest since: 1951	2015
	Ties: 1920, 1923, 1929
Sep 1951–Jul 1952 11-Month	54.8°F (12.7°C)	55.9°F (13.3°C)	-1.1°F (-0.6°C)	13th Coolest	Coolest since: 1949	1917
	54.8°F (12.7°C)	55.9°F (13.3°C)	-1.1°F (-0.6°C)	115th Warmest	Warmest since: 1951	2015
	Ties: 1898, 1921
Aug 1951–Jul 1952 12-Month	56.3°F (13.5°C)	57.3°F (14.1°C)	-1.0°F (-0.6°C)	11th Coolest	Coolest since: 1949	1917
	56.3°F (13.5°C)	57.3°F (14.1°C)	-1.0°F (-0.6°C)	117th Warmest	Warmest since: 1951	2015
	Ties: 1909, 1932, 1942
Feb 1951–Jul 1952 18-Month	57.1°F (13.9°C)	57.8°F (14.3°C)	-0.7°F (-0.4°C)	20th Coolest	Coolest since: 1949	1913, 1949
	57.1°F (13.9°C)	57.8°F (14.3°C)	-0.7°F (-0.4°C)	108th Warmest	Warmest since: 1951	2015
	Ties: 1922, 1942, 1956, 1964, 1976
Aug 1950–Jul 1952 24-Month	57.3°F (14.1°C)	57.3°F (14.1°C)	0.0°F (0.0°C)	51st Coolest	Coolest since: 1950	1913
	57.3°F (14.1°C)	57.3°F (14.1°C)	0.0°F (0.0°C)	76th Warmest	Warmest since: 1951	2015
	Ties: 1906, 1919, 1932, 1958, 1967, 1977
Aug 1949–Jul 1952 36-Month	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	51st Coolest	Coolest since: 1951	1913
	57.3°F (14.1°C)	57.4°F (14.1°C)	-0.1°F (0.0°C)	75th Warmest	Warmest since: 1947	2015, 2016
	Ties: 1906, 1930, 1943, 1947, 1953, 1958
Aug 1948–Jul 1952 48-Month	56.8°F (13.8°C)	57.3°F (14.1°C)	-0.5°F (-0.3°C)	20th Coolest	Coolest since: 1951	1913
	56.8°F (13.8°C)	57.3°F (14.1°C)	-0.5°F (-0.3°C)	105th Warmest	Warmest since: 1951	2016
	Ties: 1899, 1901, 1921, 1951, 1955
Aug 1947–Jul 1952 60-Month	56.7°F (13.7°C)	57.4°F (14.1°C)	-0.7°F (-0.4°C)	14th Coolest	Coolest since: 1950	1913
	56.7°F (13.7°C)	57.4°F (14.1°C)	-0.7°F (-0.4°C)	110th Warmest	Warmest since: 1951	2017, 2018
	Ties: 1903, 1910, 1922, 1950

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 1, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings