Regional Rankings

Regional Data Info
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, March 2013

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PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Warmest/Coolest
Since		Record
March 2013
1-Month		53.8°F
(12.1°C)		48.8°F
(9.3°C)		5.0°F
(2.8°C)		123rd Coolest
Coolest since:
1897
7th Warmest
Warmest since:
1934
Feb–Mar 2013
2-Month		49.6°F
(9.8°C)		47.1°F
(8.4°C)		2.5°F
(1.4°C)		110th Coolest
Coolest since:
1903
20th Warmest
Warmest since:
2015
Ties: 1930, 1963, 1978
Jan–Mar 2013
3-Month		47.1°F
(8.4°C)		45.5°F
(7.5°C)		1.6°F
(0.9°C)		94th Coolest
Coolest since:
1949
36th Warmest
Warmest since:
2015
Ties: 1959, 1972, 2009
Dec 2012–Mar 2013
4-Month		46.1°F
(7.8°C)		44.9°F
(7.2°C)		1.2°F
(0.6°C)		92nd Coolest
Coolest since:
1949
37th Warmest
Warmest since:
2015
Ties: 2001
Nov 2012–Mar 2013
5-Month		47.3°F
(8.5°C)		45.8°F
(7.7°C)		1.5°F
(0.8°C)		100th Coolest
Coolest since:
1949
29th Warmest
Warmest since:
2015
Ties: 1951
Oct 2012–Mar 2013
6-Month		49.8°F
(9.9°C)		48.1°F
(8.9°C)		1.7°F
(1.0°C)		106th Coolest
Coolest since:
1917
23rd Warmest
Warmest since:
2015
Ties: 2020
Sep 2012–Mar 2013
7-Month		53.1°F
(11.7°C)		51.0°F
(10.6°C)		2.1°F
(1.1°C)		114th Coolest
Coolest since:
1917
15th Warmest
Warmest since:
2015
Ties: 1981
Aug 2012–Mar 2013
8-Month		56.2°F
(13.4°C)		53.8°F
(12.1°C)		2.4°F
(1.3°C)		119th Coolest
Coolest since:
1917
10th Warmest
Warmest since:
2015
Jul 2012–Mar 2013
9-Month		58.3°F
(14.6°C)		56.2°F
(13.4°C)		2.1°F
(1.2°C)		117th Coolest
Coolest since:
1917
12th Warmest
Warmest since:
2015
Ties: 1997
Jun 2012–Mar 2013
10-Month		59.4°F
(15.2°C)		57.4°F
(14.1°C)		2.0°F
(1.1°C)		115th Coolest
Coolest since:
1917
14th Warmest
Warmest since:
2015
Ties: 1959
May 2012–Mar 2013
11-Month		59.8°F
(15.4°C)		57.7°F
(14.3°C)		2.1°F
(1.1°C)		121st Coolest
Coolest since:
1917
8th Warmest
Warmest since:
2015
Ties: 1959, 1997, 2002, 2003, 2017
Apr 2012–Mar 2013
12-Month		59.5°F
(15.3°C)		57.4°F
(14.1°C)		2.1°F
(1.2°C)		121st Coolest
Coolest since:
1917
8th Warmest
Warmest since:
2015
Ties: 1997, 2003
Oct 2011–Mar 2013
18-Month		56.0°F
(13.3°C)		54.3°F
(12.4°C)		1.7°F
(0.9°C)		115th Coolest
Coolest since:
1949
13th Warmest
Warmest since:
2015
Ties: 1935, 2023
Apr 2011–Mar 2013
24-Month		58.6°F
(14.8°C)		57.4°F
(14.1°C)		1.2°F
(0.7°C)		106th Coolest
Coolest since:
1913
22nd Warmest
Warmest since:
2015
Ties: 1993, 1996, 2007
Apr 2010–Mar 2013
36-Month		58.2°F
(14.6°C)		57.4°F
(14.1°C)		0.8°F
(0.5°C)		93rd Coolest
Coolest since:
1913, 1917
34th Warmest
Warmest since:
2016
Ties: 1940, 1989, 1991, 1999
Apr 2009–Mar 2013
48-Month		58.4°F
(14.7°C)		57.4°F
(14.1°C)		1.0°F
(0.6°C)		103rd Coolest
Coolest since:
1913
23rd Warmest
Warmest since:
2018
Ties: 1993, 1994, 1995, 1999
Apr 2008–Mar 2013
60-Month		58.6°F
(14.8°C)		57.3°F
(14.1°C)		1.3°F
(0.7°C)		105th Coolest
Coolest since:
1913, 1917
20th Warmest
Warmest since:
2018
Ties: 2011

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