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.

New Hampshire, Climate Division 1

December 1921 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1921 1-Month	-1.24	-0.23	-1.01	37th Driest	Driest since: 1919	1896
December 1921 1-Month	-1.24	-0.23	-1.01	94th Wettest	Wettest since: 1920	1973
Nov–Dec 1921 2-Month	-0.08	-0.33	0.25	80th Driest	Driest since: 1919	1904
Nov–Dec 1921 2-Month	-0.08	-0.33	0.25	51st Wettest	Wettest since: 1920	1983
Oct–Dec 1921 3-Month	-0.63	-0.23	-0.40	41st Driest	Driest since: 1916	1914
Oct–Dec 1921 3-Month	-0.63	-0.23	-0.40	90th Wettest	Wettest since: 1920	2005
Sep–Dec 1921 4-Month	-1.25	-0.15	-1.10	16th Driest	Driest since: 1914	1908
Sep–Dec 1921 4-Month	-1.25	-0.15	-1.10	115th Wettest	Wettest since: 1920	2005
Aug–Dec 1921 5-Month	-1.21	-0.12	-1.09	18th Driest	Driest since: 1914	1908
Aug–Dec 1921 5-Month	-1.21	-0.12	-1.09	113th Wettest	Wettest since: 1920	2005
Jul–Dec 1921 6-Month	-1.38	-0.10	-1.28	11th Driest	Driest since: 1914	1908
Jul–Dec 1921 6-Month	-1.38	-0.10	-1.28	120th Wettest	Wettest since: 1920	2005, 2008
Jun–Dec 1921 7-Month	-1.64	-0.10	-1.54	4th Driest	Driest since: 1914	1908
Jun–Dec 1921 7-Month	-1.64	-0.10	-1.54	127th Wettest	Wettest since: 1920	2008
May–Dec 1921 8-Month	-1.85	-0.10	-1.75	3rd Driest	Driest since: 1908	1908
May–Dec 1921 8-Month	-1.85	-0.10	-1.75	128th Wettest	Wettest since: 1920	1954
Apr–Dec 1921 9-Month	-1.80	-0.10	-1.70	4th Driest	Driest since: 1908	2001
Apr–Dec 1921 9-Month	-1.80	-0.10	-1.70	127th Wettest	Wettest since: 1920	1954
Mar–Dec 1921 10-Month	-1.63	-0.08	-1.55	3rd Driest	Driest since: 1908	1908
Mar–Dec 1921 10-Month	-1.63	-0.08	-1.55	128th Wettest	Wettest since: 1920	1954
Feb–Dec 1921 11-Month	-1.59	-0.08	-1.51	1st Driest	Driest to Date	1921
Feb–Dec 1921 11-Month	-1.59	-0.08	-1.51	130th Wettest	Wettest since: 1920	1954
Jan–Dec 1921 12-Month	-1.65	-0.07	-1.58	1st Driest	Driest to Date	1921
Jan–Dec 1921 12-Month	-1.65	-0.07	-1.58	130th Wettest	Wettest since: 1920	1954
Jul 1920–Dec 1921 18-Month	-0.88	-0.08	-0.80	7th Driest	Driest since: 1914	1948
Jul 1920–Dec 1921 18-Month	-0.88	-0.08	-0.80	123rd Wettest	Wettest since: 1920	2008
Jan 1920–Dec 1921 24-Month	-0.56	-0.07	-0.49	19th Driest	Driest since: 1915	1949
Jan 1920–Dec 1921 24-Month	-0.56	-0.07	-0.49	111th Wettest	Wettest since: 1920	2006
Jan 1919–Dec 1921 36-Month	-0.60	-0.08	-0.52	7th Driest	Driest since: 1910	1949
Jan 1919–Dec 1921 36-Month	-0.60	-0.08	-0.52	122nd Wettest	Wettest since: 1920	2008
Jan 1918–Dec 1921 48-Month	-0.49	-0.08	-0.41	8th Driest	Driest since: 1914	1911
Jan 1918–Dec 1921 48-Month	-0.49	-0.08	-0.41	120th Wettest	Wettest since: 1920	2008
Jan 1917–Dec 1921 60-Month	-0.39	-0.08	-0.31	16th Driest	Driest since: 1915	1967
Jan 1917–Dec 1921 60-Month	-0.39	-0.08	-0.31	111th Wettest	Wettest since: 1920	2009

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

New Hampshire, Climate Division 1

December 1921 Palmer Z-Index Rankings

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