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.

Illinois, Climate Division 3

December 1947 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 1947 1-Month	-0.73	-0.21	-0.52	47th Driest	Driest since: 1944	1963
December 1947 1-Month	-0.73	-0.21	-0.52	84th Wettest	Wettest since: 1946	1982
Nov–Dec 1947 2-Month	-0.67	-0.11	-0.56	51st Driest	Driest since: 1943	1953
	-0.67	-0.11	-0.56	80th Wettest	Wettest since: 1946	1985
	Ties: 1922
Oct–Dec 1947 3-Month	-0.94	-0.12	-0.82	39th Driest	Driest since: 1943	1953
Oct–Dec 1947 3-Month	-0.94	-0.12	-0.82	92nd Wettest	Wettest since: 1946	1985
Sep–Dec 1947 4-Month	-0.88	-0.04	-0.84	42nd Driest	Driest since: 1943	1953
Sep–Dec 1947 4-Month	-0.88	-0.04	-0.84	89th Wettest	Wettest since: 1946	1941
Aug–Dec 1947 5-Month	-1.38	-0.05	-1.33	21st Driest	Driest since: 1933	1901, 1953
Aug–Dec 1947 5-Month	-1.38	-0.05	-1.33	110th Wettest	Wettest since: 1946	1970
Jul–Dec 1947 6-Month	-1.34	-0.04	-1.30	17th Driest	Driest since: 1940	1901, 1953
Jul–Dec 1947 6-Month	-1.34	-0.04	-1.30	114th Wettest	Wettest since: 1946	1961
Jun–Dec 1947 7-Month	-0.29	-0.02	-0.27	61st Driest	Driest since: 1944	1953
Jun–Dec 1947 7-Month	-0.29	-0.02	-0.27	70th Wettest	Wettest since: 1946	1993
May–Dec 1947 8-Month	-0.13	-0.01	-0.12	60th Driest	Driest since: 1944	1901
May–Dec 1947 8-Month	-0.13	-0.01	-0.12	71st Wettest	Wettest since: 1946	1993
Apr–Dec 1947 9-Month	0.20	-0.01	0.21	73rd Driest	Driest since: 1944	1901
Apr–Dec 1947 9-Month	0.20	-0.01	0.21	58th Wettest	Wettest since: 1946	2009
Mar–Dec 1947 10-Month	0.22	-0.03	0.25	79th Driest	Driest since: 1943	1914
Mar–Dec 1947 10-Month	0.22	-0.03	0.25	52nd Wettest	Wettest since: 1946	2009
Feb–Dec 1947 11-Month	0.07	-0.02	0.09	68th Driest	Driest since: 1943	1914
Feb–Dec 1947 11-Month	0.07	-0.02	0.09	63rd Wettest	Wettest since: 1946	2009
Jan–Dec 1947 12-Month	0.13	-0.02	0.15	74th Driest	Driest since: 1944	1914
Jan–Dec 1947 12-Month	0.13	-0.02	0.15	57th Wettest	Wettest since: 1946	2009
Jul 1946–Dec 1947 18-Month	0.26	-0.03	0.29	84th Driest	Driest since: 1946	1914
Jul 1946–Dec 1947 18-Month	0.26	-0.03	0.29	46th Wettest	Wettest since: 1942	1993
Jan 1946–Dec 1947 24-Month	0.28	-0.02	0.30	78th Driest	Driest since: 1944	1914
	0.28	-0.02	0.30	52nd Wettest	Wettest since: 1946	2009, 2010
	Ties: 1916
Jan 1945–Dec 1947 36-Month	0.37	-0.02	0.39	94th Driest	Driest since: 1946	1989
Jan 1945–Dec 1947 36-Month	0.37	-0.02	0.39	35th Wettest	Wettest since: 1929	2010
Jan 1944–Dec 1947 48-Month	0.29	-0.02	0.31	87th Driest	Driest since: 1946	1914
Jan 1944–Dec 1947 48-Month	0.29	-0.02	0.31	41st Wettest	Wettest since: 1930	2011
Jan 1943–Dec 1947 60-Month	0.20	-0.02	0.22	77th Driest	Driest since: 1944	1914
Jan 1943–Dec 1947 60-Month	0.20	-0.02	0.22	50th Wettest	Wettest since: 1946	1985

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

Illinois, Climate Division 3

December 1947 Palmer Z-Index Rankings

Citing This Page

Success

Error