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

Divisional Rankings

Parameter:

Year:

Month:

State:

Division:

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.

Pennsylvania, Climate Division 2

December 1951 Palmer Z-Index Rankings

View Period (Months):

All

Download:

CSV JSON XML

Record Driest

Bottom ⅒

Bottom ⅓

Normal

Top ⅓

Top ⅒

Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1951 1-Month	2.38	0.09	2.29	117th Driest	Driest since: 1950	1955
December 1951 1-Month	2.38	0.09	2.29	14th Wettest	Wettest since: 1907	1996
Nov–Dec 1951 2-Month	3.08	-0.09	3.17	126th Driest	Driest since: 1950	1931
Nov–Dec 1951 2-Month	3.08	-0.09	3.17	5th Wettest	Wettest to Date	1972
Oct–Dec 1951 3-Month	2.20	-0.02	2.22	124th Driest	Driest since: 1950	1930
Oct–Dec 1951 3-Month	2.20	-0.02	2.22	7th Wettest	Wettest since: 1927	1996
Sep–Dec 1951 4-Month	1.57	0.00	1.57	122nd Driest	Driest since: 1950	2024
Sep–Dec 1951 4-Month	1.57	0.00	1.57	9th Wettest	Wettest since: 1907	2018
Aug–Dec 1951 5-Month	1.16	0.02	1.14	114th Driest	Driest since: 1950	1930
	1.16	0.02	1.14	17th Wettest	Wettest since: 1942	2011
	Ties: 1926
Jul–Dec 1951 6-Month	1.26	0.01	1.25	118th Driest	Driest since: 1950	1930
Jul–Dec 1951 6-Month	1.26	0.01	1.25	13th Wettest	Wettest since: 1945	2018
Jun–Dec 1951 7-Month	1.26	0.02	1.24	113th Driest	Driest since: 1950	1930
Jun–Dec 1951 7-Month	1.26	0.02	1.24	18th Wettest	Wettest since: 1945	2018
May–Dec 1951 8-Month	0.90	-0.02	0.92	113th Driest	Driest since: 1950	1964
May–Dec 1951 8-Month	0.90	-0.02	0.92	18th Wettest	Wettest since: 1945	2018
Apr–Dec 1951 9-Month	0.75	-0.01	0.76	109th Driest	Driest since: 1950	1930
Apr–Dec 1951 9-Month	0.75	-0.01	0.76	22nd Wettest	Wettest since: 1945	2018
Mar–Dec 1951 10-Month	0.81	0.00	0.81	116th Driest	Driest since: 1950	1930
	0.81	0.00	0.81	15th Wettest	Wettest since: 1945	2011
	Ties: 1940
Feb–Dec 1951 11-Month	0.95	0.02	0.93	118th Driest	Driest since: 1950	1930
Feb–Dec 1951 11-Month	0.95	0.02	0.93	13th Wettest	Wettest since: 1942	2018
Jan–Dec 1951 12-Month	0.97	0.03	0.94	121st Driest	Driest since: 1950	1930
Jan–Dec 1951 12-Month	0.97	0.03	0.94	10th Wettest	Wettest since: 1903	2018
Jul 1950–Dec 1951 18-Month	0.90	0.02	0.88	118th Driest	Driest since: 1950	1965
Jul 1950–Dec 1951 18-Month	0.90	0.02	0.88	12th Wettest	Wettest since: 1903	2019
Jan 1950–Dec 1951 24-Month	0.76	0.03	0.73	120th Driest	Driest since: 1950	1931
Jan 1950–Dec 1951 24-Month	0.76	0.03	0.73	10th Wettest	Wettest since: 1903	2019
Jan 1949–Dec 1951 36-Month	0.24	0.03	0.21	88th Driest	Driest since: 1950	1965
Jan 1949–Dec 1951 36-Month	0.24	0.03	0.21	41st Wettest	Wettest since: 1947	2020
Jan 1948–Dec 1951 48-Month	0.22	0.03	0.19	88th Driest	Driest since: 1950	1966
Jan 1948–Dec 1951 48-Month	0.22	0.03	0.19	40th Wettest	Wettest since: 1948	2021
Jan 1947–Dec 1951 60-Month	0.26	0.03	0.23	92nd Driest	Driest since: 1950	1966
Jan 1947–Dec 1951 60-Month	0.26	0.03	0.23	35th Wettest	Wettest since: 1908	1976, 1979, 2021

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2025, retrieved on March 24, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings

Climate at a Glance Divisional Rankings

Divisional Rankings

Pennsylvania, Climate Division 2

December 1951 Palmer Z-Index Rankings

Citing This Page

Success

Error