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 1915

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1915 1-Month	73.2°F (22.9°C)	74.7°F (23.7°C)	-1.5°F (-0.8°C)	22nd Coolest	Coolest since: 1912	1987
	73.2°F (22.9°C)	74.7°F (23.7°C)	-1.5°F (-0.8°C)	107th Warmest	Warmest since: 1914	2021
	Ties: 1935
Jun–Jul 1915 2-Month	70.3°F (21.3°C)	71.5°F (21.9°C)	-1.2°F (-0.6°C)	22nd Coolest	Coolest since: 1914	1944
Jun–Jul 1915 2-Month	70.3°F (21.3°C)	71.5°F (21.9°C)	-1.2°F (-0.6°C)	107th Warmest	Warmest since: 1911	2021
May–Jul 1915 3-Month	65.9°F (18.8°C)	67.9°F (19.9°C)	-2.0°F (-1.1°C)	8th Coolest	Coolest since: 1908	1953, 1998
	65.9°F (18.8°C)	67.9°F (19.9°C)	-2.0°F (-1.1°C)	121st Warmest	Warmest since: 1914	2021
	Ties: 1923
Apr–Jul 1915 4-Month	63.0°F (17.2°C)	64.4°F (18.0°C)	-1.4°F (-0.8°C)	17th Coolest	Coolest since: 1913	1944
	63.0°F (17.2°C)	64.4°F (18.0°C)	-1.4°F (-0.8°C)	112th Warmest	Warmest since: 1914	2021
	Ties: 1902, 1907, 1913, 2011
Mar–Jul 1915 5-Month	60.5°F (15.8°C)	61.3°F (16.3°C)	-0.8°F (-0.5°C)	39th Coolest	Coolest since: 1913	1912
	60.5°F (15.8°C)	61.3°F (16.3°C)	-0.8°F (-0.5°C)	90th Warmest	Warmest since: 1914	2013, 2014
	Ties: 1929
Feb–Jul 1915 6-Month	57.8°F (14.3°C)	58.6°F (14.8°C)	-0.8°F (-0.5°C)	30th Coolest	Coolest since: 1913	1948
	57.8°F (14.3°C)	58.6°F (14.8°C)	-0.8°F (-0.5°C)	99th Warmest	Warmest since: 1914	2015
	Ties: 1897, 1956, 1962
Jan–Jul 1915 7-Month	55.5°F (13.1°C)	56.4°F (13.6°C)	-0.9°F (-0.5°C)	30th Coolest	Coolest since: 1913	1955
	55.5°F (13.1°C)	56.4°F (13.6°C)	-0.9°F (-0.5°C)	99th Warmest	Warmest since: 1914	2014
	Ties: 1898, 1920, 1963
Dec 1914–Jul 1915 8-Month	53.4°F (11.9°C)	54.7°F (12.6°C)	-1.3°F (-0.7°C)	16th Coolest	Coolest since: 1913	1917
Dec 1914–Jul 1915 8-Month	53.4°F (11.9°C)	54.7°F (12.6°C)	-1.3°F (-0.7°C)	112th Warmest	Warmest since: 1914	2015
Nov 1914–Jul 1915 9-Month	53.2°F (11.8°C)	54.1°F (12.3°C)	-0.9°F (-0.5°C)	21st Coolest	Coolest since: 1913	1917
	53.2°F (11.8°C)	54.1°F (12.3°C)	-0.9°F (-0.5°C)	107th Warmest	Warmest since: 1914	2015
	Ties: 1898, 1907, 1909, 1911, 1919, 1965, 1979
Oct 1914–Jul 1915 10-Month	53.8°F (12.1°C)	54.6°F (12.6°C)	-0.8°F (-0.5°C)	23rd Coolest	Coolest since: 1913	1917
	53.8°F (12.1°C)	54.6°F (12.6°C)	-0.8°F (-0.5°C)	105th Warmest	Warmest since: 1914	2015
	Ties: 1971, 1973, 1983
Sep 1914–Jul 1915 11-Month	54.9°F (12.7°C)	55.9°F (13.3°C)	-1.0°F (-0.6°C)	16th Coolest	Coolest since: 1913	1917
	54.9°F (12.7°C)	55.9°F (13.3°C)	-1.0°F (-0.6°C)	112th Warmest	Warmest since: 1914	2015
	Ties: 1922, 1923, 1942, 1962
Aug 1914–Jul 1915 12-Month	56.5°F (13.6°C)	57.4°F (14.1°C)	-0.9°F (-0.5°C)	21st Coolest	Coolest since: 1913	1917
	56.5°F (13.6°C)	57.4°F (14.1°C)	-0.9°F (-0.5°C)	107th Warmest	Warmest since: 1914	2015
	Ties: 1908
Feb 1914–Jul 1915 18-Month	57.4°F (14.1°C)	57.8°F (14.3°C)	-0.4°F (-0.2°C)	33rd Coolest	Coolest since: 1913	1913, 1949
	57.4°F (14.1°C)	57.8°F (14.3°C)	-0.4°F (-0.2°C)	95th Warmest	Warmest since: 1914	2015
	Ties: 1896, 1897, 1899, 1906, 1924, 1929, 1948, 1966
Aug 1913–Jul 1915 24-Month	57.2°F (14.0°C)	57.3°F (14.1°C)	-0.1°F (-0.1°C)	46th Coolest	Coolest since: 1914	1913
	57.2°F (14.0°C)	57.3°F (14.1°C)	-0.1°F (-0.1°C)	81st Warmest	Warmest since: 1906	2015
	Ties: 1900, 1930, 1946, 1966
Aug 1912–Jul 1915 36-Month	56.6°F (13.7°C)	57.4°F (14.1°C)	-0.8°F (-0.4°C)	14th Coolest	Coolest since: 1914	1913
	56.6°F (13.7°C)	57.4°F (14.1°C)	-0.8°F (-0.4°C)	112th Warmest	Warmest since: 1911	2015, 2016
	Ties: 1904, 1910, 1911
Aug 1911–Jul 1915 48-Month	56.3°F (13.5°C)	57.4°F (14.1°C)	-1.1°F (-0.6°C)	2nd Coolest	Coolest since: 1914	1913
	56.3°F (13.5°C)	57.4°F (14.1°C)	-1.1°F (-0.6°C)	123rd Warmest	Warmest since: 1914	2016
	Ties: 1912, 1914, 1920, 1923
Aug 1910–Jul 1915 60-Month	56.3°F (13.5°C)	57.3°F (14.1°C)	-1.0°F (-0.6°C)	3rd Coolest	Coolest since: 1913	1913
	56.3°F (13.5°C)	57.3°F (14.1°C)	-1.0°F (-0.6°C)	121st Warmest	Warmest since: 1914	2017, 2018
	Ties: 1912, 1921

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings