Climate at a Glance | Divisional Rankings | National Centers for Environmental Information (NCEI)

Divisional Rankings

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

North Carolina, Climate Division 2

December 2018 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 2018 1-Month	4.74	0.17	4.57	128th Driest	Driest since: 2017	1965
December 2018 1-Month	4.74	0.17	4.57	3rd Wettest	Wettest since: 1914	1901
Nov–Dec 2018 2-Month	3.94	-0.02	3.96	130th Driest	Driest since: 2017	1933
Nov–Dec 2018 2-Month	3.94	-0.02	3.96	1st Wettest	Wettest to Date	2018
Oct–Dec 2018 3-Month	3.77	-0.05	3.82	130th Driest	Driest since: 2017	1933
Oct–Dec 2018 3-Month	3.77	-0.05	3.82	1st Wettest	Wettest to Date	2018
Sep–Dec 2018 4-Month	3.62	-0.06	3.68	130th Driest	Driest since: 2017	1933
Sep–Dec 2018 4-Month	3.62	-0.06	3.68	1st Wettest	Wettest to Date	2018
Aug–Dec 2018 5-Month	3.49	0.00	3.49	130th Driest	Driest since: 2017	1933
Aug–Dec 2018 5-Month	3.49	0.00	3.49	1st Wettest	Wettest to Date	2018
Jul–Dec 2018 6-Month	2.72	0.01	2.71	130th Driest	Driest since: 2017	1998
Jul–Dec 2018 6-Month	2.72	0.01	2.71	1st Wettest	Wettest to Date	2018
Jun–Dec 2018 7-Month	2.24	0.06	2.18	130th Driest	Driest since: 2017	1933
Jun–Dec 2018 7-Month	2.24	0.06	2.18	1st Wettest	Wettest to Date	2018
May–Dec 2018 8-Month	2.48	0.04	2.44	130th Driest	Driest since: 2017	1925
May–Dec 2018 8-Month	2.48	0.04	2.44	1st Wettest	Wettest to Date	2018
Apr–Dec 2018 9-Month	2.67	0.05	2.62	129th Driest	Driest since: 2017	2007
Apr–Dec 2018 9-Month	2.67	0.05	2.62	2nd Wettest	Wettest since: 1901	1901
Mar–Dec 2018 10-Month	2.36	0.04	2.32	129th Driest	Driest since: 2017	1925
Mar–Dec 2018 10-Month	2.36	0.04	2.32	2nd Wettest	Wettest since: 1901	1901
Feb–Dec 2018 11-Month	2.16	0.03	2.13	130th Driest	Driest since: 2017	1925
Feb–Dec 2018 11-Month	2.16	0.03	2.13	1st Wettest	Wettest to Date	2018
Jan–Dec 2018 12-Month	1.97	0.04	1.93	129th Driest	Driest since: 2017	1925
Jan–Dec 2018 12-Month	1.97	0.04	1.93	2nd Wettest	Wettest to Date	2020
Jul 2017–Dec 2018 18-Month	1.17	0.04	1.13	127th Driest	Driest since: 2017	1988
Jul 2017–Dec 2018 18-Month	1.17	0.04	1.13	3rd Wettest	Wettest to Date	2020
Jan 2017–Dec 2018 24-Month	1.09	0.05	1.04	127th Driest	Driest since: 2017	1931
Jan 2017–Dec 2018 24-Month	1.09	0.05	1.04	3rd Wettest	Wettest to Date	2020
Jan 2016–Dec 2018 36-Month	0.37	0.05	0.32	104th Driest	Driest since: 2017	1988, 2002
	0.37	0.05	0.32	25th Wettest	Wettest since: 2015	2020
	Ties: 1910, 1984, 2014
Jan 2015–Dec 2018 48-Month	0.37	0.06	0.31	111th Driest	Driest since: 2017	2002
	0.37	0.06	0.31	17th Wettest	Wettest since: 2015	2020
	Ties: 2015
Jan 2014–Dec 2018 60-Month	0.22	0.06	0.16	93rd Driest	Driest since: 2017	2002
	0.22	0.06	0.16	34th Wettest	Wettest since: 2017	2022
	Ties: 1907, 1993, 2017

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings

Climate at a Glance Divisional Rankings

Divisional Rankings

North Carolina, Climate Division 2

December 2018 Palmer Z-Index Rankings

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