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.

Missouri, Climate Division 1

December 1909 Palmer Z-Index Rankings

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2025)	Driest/Wettest Since	Record
December 1909 1-Month	2.58	-0.07	2.65	126th Driest	Driest since: 1908	2002
December 1909 1-Month	2.58	-0.07	2.65	5th Wettest	Wettest since: 1895	1982
Nov–Dec 1909 2-Month	2.43	0.03	2.40	124th Driest	Driest since: 1908	1917
Nov–Dec 1909 2-Month	2.43	0.03	2.40	7th Wettest	Wettest to Date	1992
Oct–Dec 1909 3-Month	1.79	0.03	1.76	119th Driest	Driest since: 1908	1953
Oct–Dec 1909 3-Month	1.79	0.03	1.76	12th Wettest	Wettest to Date	1941
Sep–Dec 1909 4-Month	1.83	0.09	1.74	118th Driest	Driest since: 1908	1956
Sep–Dec 1909 4-Month	1.83	0.09	1.74	13th Wettest	Wettest to Date	1961
Aug–Dec 1909 5-Month	0.84	0.05	0.79	100th Driest	Driest since: 1908	1953
Aug–Dec 1909 5-Month	0.84	0.05	0.79	31st Wettest	Wettest since: 1905	1961
Jul–Dec 1909 6-Month	1.44	0.10	1.34	111th Driest	Driest since: 1908	1953
Jul–Dec 1909 6-Month	1.44	0.10	1.34	20th Wettest	Wettest since: 1905	1993
Jun–Dec 1909 7-Month	1.50	0.09	1.41	118th Driest	Driest since: 1908	1953
Jun–Dec 1909 7-Month	1.50	0.09	1.41	13th Wettest	Wettest since: 1902	1993
May–Dec 1909 8-Month	1.39	0.08	1.31	114th Driest	Driest since: 1908	1953
May–Dec 1909 8-Month	1.39	0.08	1.31	17th Wettest	Wettest since: 1902	1993
Apr–Dec 1909 9-Month	1.39	0.10	1.29	118th Driest	Driest since: 1908	1901
Apr–Dec 1909 9-Month	1.39	0.10	1.29	13th Wettest	Wettest since: 1902	1993
Mar–Dec 1909 10-Month	1.26	0.08	1.18	117th Driest	Driest since: 1908	1988
Mar–Dec 1909 10-Month	1.26	0.08	1.18	14th Wettest	Wettest since: 1898	1993
Feb–Dec 1909 11-Month	1.28	0.09	1.19	118th Driest	Driest since: 1908	1956, 1988
Feb–Dec 1909 11-Month	1.28	0.09	1.19	13th Wettest	Wettest since: 1898	1993
Jan–Dec 1909 12-Month	1.26	0.09	1.17	119th Driest	Driest since: 1908	1956
Jan–Dec 1909 12-Month	1.26	0.09	1.17	12th Wettest	Wettest since: 1898	1993
Jul 1908–Dec 1909 18-Month	0.89	0.09	0.80	110th Driest	Driest since: 1908	1956
Jul 1908–Dec 1909 18-Month	0.89	0.09	0.80	20th Wettest	Wettest since: 1904	1993
Jan 1908–Dec 1909 24-Month	0.90	0.09	0.81	116th Driest	Driest since: 1908	1956
Jan 1908–Dec 1909 24-Month	0.90	0.09	0.81	14th Wettest	Wettest since: 1904	1993
Jan 1907–Dec 1909 36-Month	0.76	0.10	0.66	117th Driest	Driest since: 1908	1956
Jan 1907–Dec 1909 36-Month	0.76	0.10	0.66	12th Wettest	Wettest since: 1905	2010
Jan 1906–Dec 1909 48-Month	0.40	0.10	0.30	91st Driest	Driest since: 1908	1956
Jan 1906–Dec 1909 48-Month	0.40	0.10	0.30	37th Wettest	Wettest since: 1906	2010
Jan 1905–Dec 1909 60-Month	0.48	0.10	0.38	104th Driest	Driest since: 1908	1957
Jan 1905–Dec 1909 60-Month	0.48	0.10	0.38	23rd Wettest	Wettest since: 1907	1996

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

Missouri, Climate Division 1

December 1909 Palmer Z-Index Rankings

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