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 1946 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1946 1-Month	1.19	-0.23	1.42	103rd Driest	Driest since: 1945	1896
December 1946 1-Month	1.19	-0.23	1.42	28th Wettest	Wettest since: 1938	1973
Nov–Dec 1946 2-Month	-0.03	-0.33	0.30	83rd Driest	Driest since: 1944	1904
Nov–Dec 1946 2-Month	-0.03	-0.33	0.30	48th Wettest	Wettest since: 1945	1983
Oct–Dec 1946 3-Month	0.19	-0.23	0.42	84th Driest	Driest since: 1944	1914
Oct–Dec 1946 3-Month	0.19	-0.23	0.42	47th Wettest	Wettest since: 1945	2005
Sep–Dec 1946 4-Month	0.20	-0.15	0.35	82nd Driest	Driest since: 1944	1908
Sep–Dec 1946 4-Month	0.20	-0.15	0.35	49th Wettest	Wettest since: 1945	2005
Aug–Dec 1946 5-Month	0.87	-0.12	0.99	107th Driest	Driest since: 1945	1908
Aug–Dec 1946 5-Month	0.87	-0.12	0.99	24th Wettest	Wettest since: 1943	2005
Jul–Dec 1946 6-Month	0.62	-0.10	0.72	100th Driest	Driest since: 1944	1908
Jul–Dec 1946 6-Month	0.62	-0.10	0.72	31st Wettest	Wettest since: 1945	2005, 2008
Jun–Dec 1946 7-Month	0.37	-0.10	0.47	92nd Driest	Driest since: 1944	1908
Jun–Dec 1946 7-Month	0.37	-0.10	0.47	39th Wettest	Wettest since: 1945	2008
May–Dec 1946 8-Month	0.40	-0.10	0.50	92nd Driest	Driest since: 1944	1908
May–Dec 1946 8-Month	0.40	-0.10	0.50	39th Wettest	Wettest since: 1945	1954
Apr–Dec 1946 9-Month	0.30	-0.10	0.40	92nd Driest	Driest since: 1944	2001
Apr–Dec 1946 9-Month	0.30	-0.10	0.40	39th Wettest	Wettest since: 1945	1954
Mar–Dec 1946 10-Month	-0.04	-0.08	0.04	68th Driest	Driest since: 1944	1908
Mar–Dec 1946 10-Month	-0.04	-0.08	0.04	63rd Wettest	Wettest since: 1945	1954
Feb–Dec 1946 11-Month	-0.03	-0.08	0.05	72nd Driest	Driest since: 1944	1921
Feb–Dec 1946 11-Month	-0.03	-0.08	0.05	59th Wettest	Wettest since: 1945	1954
Jan–Dec 1946 12-Month	0.01	-0.07	0.08	73rd Driest	Driest since: 1944	1921
Jan–Dec 1946 12-Month	0.01	-0.07	0.08	58th Wettest	Wettest since: 1945	1954
Jul 1945–Dec 1946 18-Month	0.26	-0.08	0.34	91st Driest	Driest since: 1944	1948
	0.26	-0.08	0.34	39th Wettest	Wettest since: 1945	2008
	Ties: 1898, 1938
Jan 1945–Dec 1946 24-Month	0.39	-0.07	0.46	103rd Driest	Driest since: 1945	1949
Jan 1945–Dec 1946 24-Month	0.39	-0.07	0.46	27th Wettest	Wettest since: 1938	2006
Jan 1944–Dec 1946 36-Month	0.14	-0.08	0.22	86th Driest	Driest since: 1944	1949
	0.14	-0.08	0.22	43rd Wettest	Wettest since: 1945	2008
	Ties: 1927, 1940
Jan 1943–Dec 1946 48-Month	0.27	-0.08	0.35	104th Driest	Driest since: 1945	1911
	0.27	-0.08	0.35	24th Wettest	Wettest since: 1939	2008
	Ties: 1937
Jan 1942–Dec 1946 60-Month	0.13	-0.08	0.21	91st Driest	Driest since: 1945	1967
Jan 1942–Dec 1946 60-Month	0.13	-0.08	0.21	36th Wettest	Wettest since: 1940	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 1946 Palmer Z-Index Rankings

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