Statewide Rankings

Parameter:

Year:

Month:

State:

Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Pennsylvania

Average Temperature Rankings, December 1998

View Period (Months):

All

Download:

Record Coolest

Bottom 1/10

Bottom 1/3

Normal

Top 1/3

Top 1/10

Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
December 1998 1-Month	36.0°F (2.2°C)	28.9°F (-1.7°C)	7.1°F (3.9°C)	121st Coolest	Coolest since: 1997	1989
December 1998 1-Month	36.0°F (2.2°C)	28.9°F (-1.7°C)	7.1°F (3.9°C)	8th Warmest	Warmest since: 1984	2015
Nov–Dec 1998 2-Month	38.8°F (3.8°C)	34.2°F (1.2°C)	4.6°F (2.6°C)	121st Coolest	Coolest since: 1997	1917
	38.8°F (3.8°C)	34.2°F (1.2°C)	4.6°F (2.6°C)	8th Warmest	Warmest since: 1994	2015
	Ties: 1990
Oct–Dec 1998 3-Month	43.1°F (6.2°C)	39.6°F (4.2°C)	3.5°F (2.0°C)	118th Coolest	Coolest since: 1997	1917
Oct–Dec 1998 3-Month	43.1°F (6.2°C)	39.6°F (4.2°C)	3.5°F (2.0°C)	11th Warmest	Warmest since: 1990	2015
Sep–Dec 1998 4-Month	48.5°F (9.2°C)	45.1°F (7.3°C)	3.4°F (1.9°C)	122nd Coolest	Coolest since: 1997	1917
Sep–Dec 1998 4-Month	48.5°F (9.2°C)	45.1°F (7.3°C)	3.4°F (1.9°C)	7th Warmest	Warmest since: 1971	2015
Aug–Dec 1998 5-Month	52.8°F (11.6°C)	49.7°F (9.8°C)	3.1°F (1.8°C)	121st Coolest	Coolest since: 1997	1917
Aug–Dec 1998 5-Month	52.8°F (11.6°C)	49.7°F (9.8°C)	3.1°F (1.8°C)	8th Warmest	Warmest since: 1931	2015
Jul–Dec 1998 6-Month	55.6°F (13.1°C)	53.2°F (11.8°C)	2.4°F (1.3°C)	121st Coolest	Coolest since: 1997	1976
	55.6°F (13.1°C)	53.2°F (11.8°C)	2.4°F (1.3°C)	8th Warmest	Warmest since: 1931	1931, 2015
	Ties: 2001, 2006
Jun–Dec 1998 7-Month	57.1°F (13.9°C)	55.1°F (12.8°C)	2.0°F (1.1°C)	118th Coolest	Coolest since: 1997	1917
	57.1°F (13.9°C)	55.1°F (12.8°C)	2.0°F (1.1°C)	11th Warmest	Warmest since: 1931	2015
	Ties: 2018
May–Dec 1998 8-Month	57.7°F (14.3°C)	55.3°F (12.9°C)	2.4°F (1.4°C)	121st Coolest	Coolest since: 1997	1917
	57.7°F (14.3°C)	55.3°F (12.9°C)	2.4°F (1.4°C)	8th Warmest	Warmest since: 1931	2015
	Ties: 2012
Apr–Dec 1998 9-Month	56.8°F (13.8°C)	54.4°F (12.4°C)	2.4°F (1.4°C)	123rd Coolest	Coolest since: 1997	1917
Apr–Dec 1998 9-Month	56.8°F (13.8°C)	54.4°F (12.4°C)	2.4°F (1.4°C)	6th Warmest	Warmest since: 1931	2015
Mar–Dec 1998 10-Month	55.1°F (12.8°C)	52.6°F (11.4°C)	2.5°F (1.4°C)	123rd Coolest	Coolest since: 1997	1917
Mar–Dec 1998 10-Month	55.1°F (12.8°C)	52.6°F (11.4°C)	2.5°F (1.4°C)	6th Warmest	Warmest to Date	2021
Feb–Dec 1998 11-Month	53.3°F (11.8°C)	50.2°F (10.1°C)	3.1°F (1.7°C)	127th Coolest	Coolest since: 1997	1917
	53.3°F (11.8°C)	50.2°F (10.1°C)	3.1°F (1.7°C)	2nd Warmest	Warmest to Date	2012
	Ties: 2016
Jan–Dec 1998 12-Month	51.8°F (11.0°C)	48.2°F (9.0°C)	3.6°F (2.0°C)	128th Coolest	Coolest since: 1997	1917
	51.8°F (11.0°C)	48.2°F (9.0°C)	3.6°F (2.0°C)	1st Warmest	Warmest to Date	1998, 2012
	Ties: 2012
Jul 1997–Dec 1998 18-Month	52.1°F (11.2°C)	49.8°F (9.9°C)	2.3°F (1.3°C)	121st Coolest	Coolest since: 1997	1904
	52.1°F (11.2°C)	49.8°F (9.9°C)	2.3°F (1.3°C)	7th Warmest	Warmest since: 1991	2012
	Ties: 1991, 2002, 2022
Jan 1997–Dec 1998 24-Month	49.9°F (9.9°C)	48.2°F (9.0°C)	1.7°F (0.9°C)	113th Coolest	Coolest since: 1997	1905
Jan 1997–Dec 1998 24-Month	49.9°F (9.9°C)	48.2°F (9.0°C)	1.7°F (0.9°C)	15th Warmest	Warmest since: 1991	2021
Jan 1996–Dec 1998 36-Month	49.1°F (9.5°C)	48.1°F (8.9°C)	1.0°F (0.6°C)	100th Coolest	Coolest since: 1997	1905, 1926
	49.1°F (9.5°C)	48.1°F (8.9°C)	1.0°F (0.6°C)	27th Warmest	Warmest since: 1992	2012
	Ties: 1923, 2004, 2010
Jan 1995–Dec 1998 48-Month	49.0°F (9.4°C)	48.2°F (9.0°C)	0.8°F (0.4°C)	92nd Coolest	Coolest since: 1997	1907
Jan 1995–Dec 1998 48-Month	49.0°F (9.4°C)	48.2°F (9.0°C)	0.8°F (0.4°C)	34th Warmest	Warmest since: 1993	2021, 2022
Jan 1994–Dec 1998 60-Month	48.8°F (9.3°C)	48.1°F (8.9°C)	0.7°F (0.4°C)	88th Coolest	Coolest since: 1997	1905, 1907
	48.8°F (9.3°C)	48.1°F (8.9°C)	0.7°F (0.4°C)	37th Warmest	Warmest since: 1994	2020, 2021
	Ties: 1932, 1954, 1990

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings