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 1913

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
September 1913 1-Month	70.1°F (21.2°C)	68.5°F (20.3°C)	1.6°F (0.9°C)	86th Coolest	Coolest since: 1912	1986
September 1913 1-Month	70.1°F (21.2°C)	68.5°F (20.3°C)	1.6°F (0.9°C)	43rd Warmest	Warmest since: 1899	2020
Aug–Sep 1913 2-Month	72.6°F (22.6°C)	71.1°F (21.7°C)	1.5°F (0.9°C)	100th Coolest	Coolest since: 1912	1900
	72.6°F (22.6°C)	71.1°F (21.7°C)	1.5°F (0.9°C)	29th Warmest	Warmest to Date	2020
	Ties: 1996
Jul–Sep 1913 3-Month	72.9°F (22.7°C)	72.3°F (22.4°C)	0.6°F (0.3°C)	74th Coolest	Coolest since: 1912	1900
	72.9°F (22.7°C)	72.3°F (22.4°C)	0.6°F (0.3°C)	55th Warmest	Warmest since: 1906	2022
	Ties: 1961, 1979
Jun–Sep 1913 4-Month	71.0°F (21.7°C)	71.3°F (21.8°C)	-0.3°F (-0.1°C)	38th Coolest	Coolest since: 1912	1907
	71.0°F (21.7°C)	71.3°F (21.8°C)	-0.3°F (-0.1°C)	91st Warmest	Warmest since: 1906	2021
	Ties: 1897, 1983
May–Sep 1913 5-Month	68.9°F (20.5°C)	69.2°F (20.7°C)	-0.3°F (-0.2°C)	41st Coolest	Coolest since: 1912	1907
	68.9°F (20.5°C)	69.2°F (20.7°C)	-0.3°F (-0.2°C)	88th Warmest	Warmest since: 1910	2021
	Ties: 1898, 1918, 1971
Apr–Sep 1913 6-Month	66.2°F (19.0°C)	66.7°F (19.3°C)	-0.5°F (-0.3°C)	45th Coolest	Coolest since: 1912	1912
	66.2°F (19.0°C)	66.7°F (19.3°C)	-0.5°F (-0.3°C)	84th Warmest	Warmest since: 1910	2021
	Ties: 1967, 1978
Mar–Sep 1913 7-Month	63.4°F (17.4°C)	64.1°F (17.8°C)	-0.7°F (-0.4°C)	31st Coolest	Coolest since: 1912	1912
	63.4°F (17.4°C)	64.1°F (17.8°C)	-0.7°F (-0.4°C)	98th Warmest	Warmest since: 1910	2021
	Ties: 1896, 1900, 1915, 1942, 1971, 1983, 1998, 1999
Feb–Sep 1913 8-Month	60.8°F (16.0°C)	61.8°F (16.6°C)	-1.0°F (-0.6°C)	20th Coolest	Coolest since: 1912	1911
	60.8°F (16.0°C)	61.8°F (16.6°C)	-1.0°F (-0.6°C)	109th Warmest	Warmest since: 1910	2015
	Ties: 1942
Jan–Sep 1913 9-Month	58.4°F (14.7°C)	59.6°F (15.3°C)	-1.2°F (-0.6°C)	13th Coolest	Coolest since: 1912	1903, 1911, 1917
	58.4°F (14.7°C)	59.6°F (15.3°C)	-1.2°F (-0.6°C)	116th Warmest	Warmest since: 1910	2015
	Ties: 1923, 1975
Dec 1912–Sep 1913 10-Month	56.7°F (13.7°C)	57.9°F (14.4°C)	-1.2°F (-0.7°C)	10th Coolest	Coolest since: 1912	1917, 1933
	56.7°F (13.7°C)	57.9°F (14.4°C)	-1.2°F (-0.7°C)	118th Warmest	Warmest since: 1910	2015
	Ties: 1907, 1964, 1975
Nov 1912–Sep 1913 11-Month	56.0°F (13.3°C)	57.2°F (14.0°C)	-1.2°F (-0.7°C)	10th Coolest	Coolest since: 1912	1917
	56.0°F (13.3°C)	57.2°F (14.0°C)	-1.2°F (-0.7°C)	118th Warmest	Warmest since: 1910	2015
	Ties: 1923, 1929, 1964
Oct 1912–Sep 1913 12-Month	56.0°F (13.3°C)	57.4°F (14.1°C)	-1.4°F (-0.8°C)	6th Coolest	Coolest since: 1912	1917
	56.0°F (13.3°C)	57.4°F (14.1°C)	-1.4°F (-0.8°C)	122nd Warmest	Warmest since: 1911	2015
	Ties: 1920, 1933, 1955
Apr 1912–Sep 1913 18-Month	58.7°F (14.8°C)	60.5°F (15.8°C)	-1.8°F (-1.0°C)	3rd Coolest	Coolest since: 1912	1917
	58.7°F (14.8°C)	60.5°F (15.8°C)	-1.8°F (-1.0°C)	125th Warmest	Warmest since: 1911	2015
	Ties: 1949
Oct 1911–Sep 1913 24-Month	55.7°F (13.2°C)	57.4°F (14.1°C)	-1.7°F (-0.9°C)	1st Coolest	Coolest to Date	1913, 1949
	55.7°F (13.2°C)	57.4°F (14.1°C)	-1.7°F (-0.9°C)	126th Warmest	Warmest since: 1912	2015
	Ties: 1949
Oct 1910–Sep 1913 36-Month	55.9°F (13.3°C)	57.4°F (14.1°C)	-1.5°F (-0.8°C)	1st Coolest	Coolest to Date	1913
Oct 1910–Sep 1913 36-Month	55.9°F (13.3°C)	57.4°F (14.1°C)	-1.5°F (-0.8°C)	125th Warmest	Warmest since: 1912	2016
Oct 1909–Sep 1913 48-Month	56.1°F (13.4°C)	57.4°F (14.1°C)	-1.3°F (-0.7°C)	1st Coolest	Coolest to Date	1913
Oct 1909–Sep 1913 48-Month	56.1°F (13.4°C)	57.4°F (14.1°C)	-1.3°F (-0.7°C)	124th Warmest	Warmest since: 1912	2017, 2018
Oct 1908–Sep 1913 60-Month	56.2°F (13.4°C)	57.4°F (14.1°C)	-1.2°F (-0.7°C)	1st Coolest	Coolest to Date	1913
Oct 1908–Sep 1913 60-Month	56.2°F (13.4°C)	57.4°F (14.1°C)	-1.2°F (-0.7°C)	123rd Warmest	Warmest since: 1912	2018

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on May 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings