National Rankings

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Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Minimum Temperature Rankings, April 2015

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
April 2015 1-Month	40.62°F (4.79°C)	38.61°F (3.67°C)	2.01°F (1.12°C)	112th Coolest	Coolest since: 2014	1920
April 2015 1-Month	40.62°F (4.79°C)	38.61°F (3.67°C)	2.01°F (1.12°C)	17th Warmest	Warmest since: 2012	1981
Mar–Apr 2015 2-Month	36.82°F (2.68°C)	34.29°F (1.27°C)	2.53°F (1.41°C)	121st Coolest	Coolest since: 2014	1950
Mar–Apr 2015 2-Month	36.82°F (2.68°C)	34.29°F (1.27°C)	2.53°F (1.41°C)	8th Warmest	Warmest since: 2012	2012
Feb–Apr 2015 3-Month	31.74°F (-0.14°C)	30.47°F (-0.85°C)	1.27°F (0.71°C)	97th Coolest	Coolest since: 2014	1899
Feb–Apr 2015 3-Month	31.74°F (-0.14°C)	30.47°F (-0.85°C)	1.27°F (0.71°C)	32nd Warmest	Warmest since: 2012	2012
Jan–Apr 2015 4-Month	29.53°F (-1.37°C)	27.79°F (-2.34°C)	1.74°F (0.97°C)	104th Coolest	Coolest since: 2014	1912
Jan–Apr 2015 4-Month	29.53°F (-1.37°C)	27.79°F (-2.34°C)	1.74°F (0.97°C)	25th Warmest	Warmest since: 2012	2012
Dec 2014–Apr 2015 5-Month	29.28°F (-1.51°C)	26.77°F (-2.91°C)	2.51°F (1.40°C)	118th Coolest	Coolest since: 2014	1899
Dec 2014–Apr 2015 5-Month	29.28°F (-1.51°C)	26.77°F (-2.91°C)	2.51°F (1.40°C)	10th Warmest	Warmest since: 2012	2012
Nov 2014–Apr 2015 6-Month	29.10°F (-1.61°C)	27.42°F (-2.54°C)	1.68°F (0.93°C)	109th Coolest	Coolest since: 2014	1899
	29.10°F (-1.61°C)	27.42°F (-2.54°C)	1.68°F (0.93°C)	19th Warmest	Warmest since: 2012	2017
	Ties: 1938, 1981
Oct 2014–Apr 2015 7-Month	31.29°F (-0.39°C)	29.42°F (-1.43°C)	1.87°F (1.04°C)	114th Coolest	Coolest since: 2014	1899
Oct 2014–Apr 2015 7-Month	31.29°F (-0.39°C)	29.42°F (-1.43°C)	1.87°F (1.04°C)	14th Warmest	Warmest since: 2012	2017
Sep 2014–Apr 2015 8-Month	34.15°F (1.19°C)	32.24°F (0.13°C)	1.91°F (1.06°C)	116th Coolest	Coolest since: 2014	1917
Sep 2014–Apr 2015 8-Month	34.15°F (1.19°C)	32.24°F (0.13°C)	1.91°F (1.06°C)	12th Warmest	Warmest since: 2012	2016
Aug 2014–Apr 2015 9-Month	37.05°F (2.81°C)	35.21°F (1.78°C)	1.84°F (1.03°C)	116th Coolest	Coolest since: 2014	1917
	37.05°F (2.81°C)	35.21°F (1.78°C)	1.84°F (1.03°C)	12th Warmest	Warmest since: 2012	2017
	Ties: 2022
Jul 2014–Apr 2015 10-Month	39.42°F (4.12°C)	37.74°F (3.19°C)	1.68°F (0.93°C)	113th Coolest	Coolest since: 2014	1917
Jul 2014–Apr 2015 10-Month	39.42°F (4.12°C)	37.74°F (3.19°C)	1.68°F (0.93°C)	15th Warmest	Warmest since: 2012	2017
Jun 2014–Apr 2015 11-Month	41.05°F (5.03°C)	39.37°F (4.09°C)	1.68°F (0.94°C)	113th Coolest	Coolest since: 2014	1917
Jun 2014–Apr 2015 11-Month	41.05°F (5.03°C)	39.37°F (4.09°C)	1.68°F (0.94°C)	15th Warmest	Warmest since: 2012	2017
May 2014–Apr 2015 12-Month	41.67°F (5.37°C)	40.04°F (4.47°C)	1.63°F (0.90°C)	113th Coolest	Coolest since: 2014	1917
May 2014–Apr 2015 12-Month	41.67°F (5.37°C)	40.04°F (4.47°C)	1.63°F (0.90°C)	15th Warmest	Warmest since: 2012	2016
Nov 2013–Apr 2015 18-Month	36.57°F (2.54°C)	35.82°F (2.12°C)	0.75°F (0.42°C)	95th Coolest	Coolest since: 2014	1918
	36.57°F (2.54°C)	35.82°F (2.12°C)	0.75°F (0.42°C)	32nd Warmest	Warmest since: 2013	2017
	Ties: 1922
May 2013–Apr 2015 24-Month	40.96°F (4.98°C)	40.03°F (4.46°C)	0.93°F (0.52°C)	103rd Coolest	Coolest since: 2014	1918
May 2013–Apr 2015 24-Month	40.96°F (4.98°C)	40.03°F (4.46°C)	0.93°F (0.52°C)	24th Warmest	Warmest since: 2013	2017
May 2012–Apr 2015 36-Month	41.07°F (5.04°C)	40.02°F (4.46°C)	1.05°F (0.58°C)	104th Coolest	Coolest since: 2011	1918
May 2012–Apr 2015 36-Month	41.07°F (5.04°C)	40.02°F (4.46°C)	1.05°F (0.58°C)	22nd Warmest	Warmest since: 2014	2017
May 2011–Apr 2015 48-Month	41.49°F (5.27°C)	40.00°F (4.44°C)	1.49°F (0.83°C)	110th Coolest	Coolest since: 2014	1918
May 2011–Apr 2015 48-Month	41.49°F (5.27°C)	40.00°F (4.44°C)	1.49°F (0.83°C)	15th Warmest	Warmest since: 2008	2019
May 2010–Apr 2015 60-Month	41.40°F (5.22°C)	40.00°F (4.44°C)	1.40°F (0.78°C)	110th Coolest	Coolest since: 2014	1920
May 2010–Apr 2015 60-Month	41.40°F (5.22°C)	40.00°F (4.44°C)	1.40°F (0.78°C)	14th Warmest	Warmest since: 2008	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings