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.

Upper Colorado River Basin

Average Temperature Rankings, March 1931

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
March 1931 1-Month	30.8°F (-0.7°C)	32.8°F (0.4°C)	-2.0°F (-1.1°C)	30th Coolest	Coolest since: 1929	1917
	30.8°F (-0.7°C)	32.8°F (0.4°C)	-2.0°F (-1.1°C)	99th Warmest	Warmest since: 1930	2017
	Ties: 1980
Feb–Mar 1931 2-Month	30.4°F (-0.9°C)	29.2°F (-1.6°C)	1.2°F (0.7°C)	78th Coolest	Coolest since: 1929	1903
	30.4°F (-0.9°C)	29.2°F (-1.6°C)	1.2°F (0.7°C)	51st Warmest	Warmest since: 1930	2015
	Ties: 1945, 1998
Jan–Mar 1931 3-Month	26.9°F (-2.8°C)	26.5°F (-3.1°C)	0.4°F (0.3°C)	63rd Coolest	Coolest since: 1930	1917
	26.9°F (-2.8°C)	26.5°F (-3.1°C)	0.4°F (0.3°C)	66th Warmest	Warmest since: 1928	2015
	Ties: 1991
Dec 1930–Mar 1931 4-Month	24.6°F (-4.1°C)	25.6°F (-3.6°C)	-1.0°F (-0.5°C)	42nd Coolest	Coolest since: 1929	1917
	24.6°F (-4.1°C)	25.6°F (-3.6°C)	-1.0°F (-0.5°C)	86th Warmest	Warmest since: 1930	2015
	Ties: 1923, 1975
Nov 1930–Mar 1931 5-Month	25.3°F (-3.7°C)	26.9°F (-2.8°C)	-1.6°F (-0.9°C)	27th Coolest	Coolest since: 1929	1917
	25.3°F (-3.7°C)	26.9°F (-2.8°C)	-1.6°F (-0.9°C)	101st Warmest	Warmest since: 1930	1934
	Ties: 1915, 1942
Oct 1930–Mar 1931 6-Month	28.3°F (-2.1°C)	29.9°F (-1.2°C)	-1.6°F (-0.9°C)	26th Coolest	Coolest since: 1929	1917
	28.3°F (-2.1°C)	29.9°F (-1.2°C)	-1.6°F (-0.9°C)	102nd Warmest	Warmest since: 1930	1934
	Ties: 1948
Sep 1930–Mar 1931 7-Month	32.2°F (0.1°C)	33.8°F (1.0°C)	-1.6°F (-0.9°C)	25th Coolest	Coolest since: 1929	1917
	32.2°F (0.1°C)	33.8°F (1.0°C)	-1.6°F (-0.9°C)	103rd Warmest	Warmest since: 1930	1934, 2015
	Ties: 1906, 1914, 1985
Aug 1930–Mar 1931 8-Month	36.3°F (2.4°C)	37.7°F (3.2°C)	-1.4°F (-0.8°C)	25th Coolest	Coolest since: 1929	1917
	36.3°F (2.4°C)	37.7°F (3.2°C)	-1.4°F (-0.8°C)	103rd Warmest	Warmest since: 1930	1934
	Ties: 1906, 1939, 1955
Jul 1930–Mar 1931 9-Month	39.7°F (4.3°C)	40.9°F (4.9°C)	-1.2°F (-0.6°C)	28th Coolest	Coolest since: 1929	1917
Jul 1930–Mar 1931 9-Month	39.7°F (4.3°C)	40.9°F (4.9°C)	-1.2°F (-0.6°C)	100th Warmest	Warmest since: 1930	2015
Jun 1930–Mar 1931 10-Month	41.8°F (5.4°C)	42.8°F (6.0°C)	-1.0°F (-0.6°C)	29th Coolest	Coolest since: 1929	1917
	41.8°F (5.4°C)	42.8°F (6.0°C)	-1.0°F (-0.6°C)	99th Warmest	Warmest since: 1930	1934
	Ties: 1908, 1920, 1985
May 1930–Mar 1931 11-Month	42.4°F (5.8°C)	43.6°F (6.4°C)	-1.2°F (-0.6°C)	22nd Coolest	Coolest since: 1929	1917
	42.4°F (5.8°C)	43.6°F (6.4°C)	-1.2°F (-0.6°C)	106th Warmest	Warmest since: 1930	2015
	Ties: 1925, 1932
Apr 1930–Mar 1931 12-Month	42.7°F (5.9°C)	43.4°F (6.3°C)	-0.7°F (-0.4°C)	35th Coolest	Coolest since: 1930	1913
	42.7°F (5.9°C)	43.4°F (6.3°C)	-0.7°F (-0.4°C)	93rd Warmest	Warmest since: 1928	2015
	Ties: 1946, 1948, 1966
Oct 1929–Mar 1931 18-Month	38.2°F (3.4°C)	39.0°F (3.9°C)	-0.8°F (-0.5°C)	30th Coolest	Coolest since: 1930	1913
	38.2°F (3.4°C)	39.0°F (3.9°C)	-0.8°F (-0.5°C)	97th Warmest	Warmest since: 1928	2018
	Ties: 1906, 1942, 1980
Apr 1929–Mar 1931 24-Month	42.5°F (5.8°C)	43.4°F (6.3°C)	-0.9°F (-0.5°C)	20th Coolest	Coolest since: 1930	1913
	42.5°F (5.8°C)	43.4°F (6.3°C)	-0.9°F (-0.5°C)	107th Warmest	Warmest since: 1928	2018
	Ties: 1900, 1969
Apr 1928–Mar 1931 36-Month	42.1°F (5.6°C)	43.4°F (6.3°C)	-1.3°F (-0.7°C)	9th Coolest	Coolest since: 1919	1914
Apr 1928–Mar 1931 36-Month	42.1°F (5.6°C)	43.4°F (6.3°C)	-1.3°F (-0.7°C)	117th Warmest	Warmest since: 1930	2017, 2018
Apr 1927–Mar 1931 48-Month	42.5°F (5.8°C)	43.4°F (6.3°C)	-0.9°F (-0.5°C)	14th Coolest	Coolest since: 1925	1915
	42.5°F (5.8°C)	43.4°F (6.3°C)	-0.9°F (-0.5°C)	111th Warmest	Warmest since: 1930	2018
	Ties: 1909, 1910, 1925, 1976
Apr 1926–Mar 1931 60-Month	42.8°F (6.0°C)	43.4°F (6.3°C)	-0.6°F (-0.3°C)	27th Coolest	Coolest since: 1926	1917
	42.8°F (6.0°C)	43.4°F (6.3°C)	-0.6°F (-0.3°C)	97th Warmest	Warmest since: 1930	2018, 2019
	Ties: 1903

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