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, July 1931

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1931 1-Month	79.5°F (26.4°C)	74.7°F (23.7°C)	4.8°F (2.7°C)	126th Coolest	Coolest since: 1930	1987
July 1931 1-Month	79.5°F (26.4°C)	74.7°F (23.7°C)	4.8°F (2.7°C)	3rd Warmest	Warmest to Date	2021
Jun–Jul 1931 2-Month	73.6°F (23.1°C)	71.5°F (21.9°C)	2.1°F (1.2°C)	108th Coolest	Coolest since: 1930	1944
	73.6°F (23.1°C)	71.5°F (21.9°C)	2.1°F (1.2°C)	21st Warmest	Warmest since: 1926	2021
	Ties: 1994
May–Jul 1931 3-Month	70.9°F (21.6°C)	67.9°F (19.9°C)	3.0°F (1.7°C)	121st Coolest	Coolest since: 1930	1953, 1998
May–Jul 1931 3-Month	70.9°F (21.6°C)	67.9°F (19.9°C)	3.0°F (1.7°C)	8th Warmest	Warmest to Date	2021
Apr–Jul 1931 4-Month	67.5°F (19.7°C)	64.4°F (18.0°C)	3.1°F (1.7°C)	122nd Coolest	Coolest since: 1930	1944
	67.5°F (19.7°C)	64.4°F (18.0°C)	3.1°F (1.7°C)	7th Warmest	Warmest to Date	2021
	Ties: 2006
Mar–Jul 1931 5-Month	64.3°F (17.9°C)	61.3°F (16.3°C)	3.0°F (1.6°C)	118th Coolest	Coolest since: 1930	1912
Mar–Jul 1931 5-Month	64.3°F (17.9°C)	61.3°F (16.3°C)	3.0°F (1.6°C)	11th Warmest	Warmest since: 1926	2013, 2014
Feb–Jul 1931 6-Month	61.4°F (16.3°C)	58.7°F (14.8°C)	2.7°F (1.5°C)	118th Coolest	Coolest since: 1930	1948
	61.4°F (16.3°C)	58.7°F (14.8°C)	2.7°F (1.5°C)	11th Warmest	Warmest since: 1926	2015
	Ties: 1992, 1996, 2004
Jan–Jul 1931 7-Month	58.8°F (14.9°C)	56.3°F (13.5°C)	2.5°F (1.4°C)	117th Coolest	Coolest since: 1930	1955
	58.8°F (14.9°C)	56.3°F (13.5°C)	2.5°F (1.4°C)	12th Warmest	Warmest to Date	2014
	Ties: 1992, 2004
Dec 1930–Jul 1931 8-Month	56.7°F (13.7°C)	54.7°F (12.6°C)	2.0°F (1.1°C)	106th Coolest	Coolest since: 1930	1917
Dec 1930–Jul 1931 8-Month	56.7°F (13.7°C)	54.7°F (12.6°C)	2.0°F (1.1°C)	22nd Warmest	Warmest since: 1926	2015
Nov 1930–Jul 1931 9-Month	55.9°F (13.3°C)	54.1°F (12.3°C)	1.8°F (1.0°C)	106th Coolest	Coolest since: 1930	1917
	55.9°F (13.3°C)	54.1°F (12.3°C)	1.8°F (1.0°C)	22nd Warmest	Warmest since: 1926	2015
	Ties: 2009
Oct 1930–Jul 1931 10-Month	56.2°F (13.4°C)	54.6°F (12.6°C)	1.6°F (0.8°C)	103rd Coolest	Coolest since: 1930	1917
Oct 1930–Jul 1931 10-Month	56.2°F (13.4°C)	54.6°F (12.6°C)	1.6°F (0.8°C)	25th Warmest	Warmest to Date	2015
Sep 1930–Jul 1931 11-Month	57.0°F (13.9°C)	55.9°F (13.3°C)	1.1°F (0.6°C)	97th Coolest	Coolest since: 1930	1917
	57.0°F (13.9°C)	55.9°F (13.3°C)	1.1°F (0.6°C)	31st Warmest	Warmest to Date	2015
	Ties: 1960, 1968
Aug 1930–Jul 1931 12-Month	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	94th Coolest	Coolest since: 1930	1917
	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	34th Warmest	Warmest to Date	2015
	Ties: 1951, 2001
Feb 1930–Jul 1931 18-Month	58.6°F (14.8°C)	57.8°F (14.3°C)	0.8°F (0.5°C)	88th Coolest	Coolest since: 1930	1913, 1949
	58.6°F (14.8°C)	57.8°F (14.3°C)	0.8°F (0.5°C)	40th Warmest	Warmest since: 1927	2015
	Ties: 1951, 1978, 1985
Aug 1929–Jul 1931 24-Month	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1930	1913
	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	35th Warmest	Warmest to Date	2015
	Ties: 1961, 1988, 1990
Aug 1928–Jul 1931 36-Month	57.6°F (14.2°C)	57.4°F (14.1°C)	0.2°F (0.1°C)	70th Coolest	Coolest since: 1930	1913
	57.6°F (14.2°C)	57.4°F (14.1°C)	0.2°F (0.1°C)	56th Warmest	Warmest since: 1928	2015, 2016
	Ties: 1926, 1932, 1938, 1979, 1984
Aug 1927–Jul 1931 48-Month	57.6°F (14.2°C)	57.4°F (14.1°C)	0.2°F (0.1°C)	69th Coolest	Coolest since: 1930	1913
	57.6°F (14.2°C)	57.4°F (14.1°C)	0.2°F (0.1°C)	56th Warmest	Warmest since: 1927	2016, 2018
	Ties: 1927, 1938, 1939, 1963, 1968, 1971, 1979
Aug 1926–Jul 1931 60-Month	57.5°F (14.2°C)	57.3°F (14.1°C)	0.2°F (0.1°C)	58th Coolest	Coolest since: 1930	1913
	57.5°F (14.2°C)	57.3°F (14.1°C)	0.2°F (0.1°C)	66th Warmest	Warmest since: 1930	2017, 2018
	Ties: 1930, 1944, 1954, 1959, 1971

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published June 2023, retrieved on June 10, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings