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, September 1895

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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
September 1895 1-Month	65.7°F (18.7°C)	68.5°F (20.3°C)	-2.8°F (-1.6°C)	13th Coolest	Coolest to Date	1986
September 1895 1-Month	65.7°F (18.7°C)	68.5°F (20.3°C)	-2.8°F (-1.6°C)	116th Warmest	Warmest to Date	2020
Aug–Sep 1895 2-Month	69.0°F (20.6°C)	71.1°F (21.7°C)	-2.1°F (-1.1°C)	11th Coolest	Coolest to Date	1900
Aug–Sep 1895 2-Month	69.0°F (20.6°C)	71.1°F (21.7°C)	-2.1°F (-1.1°C)	118th Warmest	Warmest to Date	2020
Jul–Sep 1895 3-Month	70.1°F (21.2°C)	72.3°F (22.4°C)	-2.2°F (-1.2°C)	4th Coolest	Coolest to Date	1900
Jul–Sep 1895 3-Month	70.1°F (21.2°C)	72.3°F (22.4°C)	-2.2°F (-1.2°C)	125th Warmest	Warmest to Date	2022
Jun–Sep 1895 4-Month	69.8°F (21.0°C)	71.3°F (21.8°C)	-1.5°F (-0.8°C)	10th Coolest	Coolest to Date	1907
Jun–Sep 1895 4-Month	69.8°F (21.0°C)	71.3°F (21.8°C)	-1.5°F (-0.8°C)	119th Warmest	Warmest to Date	2021
May–Sep 1895 5-Month	68.1°F (20.1°C)	69.2°F (20.7°C)	-1.1°F (-0.6°C)	19th Coolest	Coolest to Date	1907
	68.1°F (20.1°C)	69.2°F (20.7°C)	-1.1°F (-0.6°C)	110th Warmest	Warmest to Date	2021
	Ties: 1902, 1927, 1980
Apr–Sep 1895 6-Month	65.7°F (18.7°C)	66.7°F (19.3°C)	-1.0°F (-0.6°C)	25th Coolest	Coolest to Date	1912
	65.7°F (18.7°C)	66.7°F (19.3°C)	-1.0°F (-0.6°C)	104th Warmest	Warmest to Date	2021
	Ties: 1896, 1905, 1909, 1933, 1976, 1998
Mar–Sep 1895 7-Month	63.1°F (17.3°C)	64.1°F (17.8°C)	-1.0°F (-0.5°C)	23rd Coolest	Coolest to Date	1912
	63.1°F (17.3°C)	64.1°F (17.8°C)	-1.0°F (-0.5°C)	106th Warmest	Warmest to Date	2021
	Ties: 1976
Feb–Sep 1895 8-Month	61.0°F (16.1°C)	61.8°F (16.6°C)	-0.8°F (-0.5°C)	26th Coolest	Coolest to Date	1911
	61.0°F (16.1°C)	61.8°F (16.6°C)	-0.8°F (-0.5°C)	103rd Warmest	Warmest to Date	2015
	Ties: 1901, 1915, 1956, 1976, 1982
Jan–Sep 1895 9-Month	58.7°F (14.8°C)	59.6°F (15.3°C)	-0.9°F (-0.5°C)	20th Coolest	Coolest to Date	1903, 1911, 1917
	58.7°F (14.8°C)	59.6°F (15.3°C)	-0.9°F (-0.5°C)	109th Warmest	Warmest to Date	2015
	Ties: 1908, 1909, 1916, 1920, 1982

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published June 2023, retrieved on June 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings