Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Iowa

Precipitation Rankings, December 2006

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Record Driest
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Bottom ⅓
Normal
Top ⅓
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
December 2006 1-Month	2.09" (53.09mm)	1.11" (28.19mm)	0.98" (24.90mm)	118th Driest	Driest since: 2005	2002
December 2006 1-Month	2.09" (53.09mm)	1.11" (28.19mm)	0.98" (24.90mm)	11th Wettest	Wettest since: 1984	2015
Nov–Dec 2006 2-Month	3.86" (98.04mm)	2.87" (72.90mm)	0.99" (25.14mm)	102nd Driest	Driest since: 2005	1976
Nov–Dec 2006 2-Month	3.86" (98.04mm)	2.87" (72.90mm)	0.99" (25.14mm)	27th Wettest	Wettest since: 2003	2015
Oct–Dec 2006 3-Month	5.50" (139.70mm)	5.16" (131.06mm)	0.34" (8.64mm)	78th Driest	Driest since: 2005	1910
	5.50" (139.70mm)	5.16" (131.06mm)	0.34" (8.64mm)	51st Wettest	Wettest since: 2003	1931
	Ties: 1898
Sep–Dec 2006 4-Month	9.72" (246.89mm)	8.83" (224.28mm)	0.89" (22.61mm)	84th Driest	Driest since: 2005	1939, 1976
Sep–Dec 2006 4-Month	9.72" (246.89mm)	8.83" (224.28mm)	0.89" (22.61mm)	45th Wettest	Wettest since: 1992	1931
Aug–Dec 2006 5-Month	15.47" (392.94mm)	12.67" (321.82mm)	2.80" (71.12mm)	104th Driest	Driest since: 2005	1976
Aug–Dec 2006 5-Month	15.47" (392.94mm)	12.67" (321.82mm)	2.80" (71.12mm)	25th Wettest	Wettest since: 1992	2018
Jul–Dec 2006 6-Month	18.69" (474.73mm)	16.52" (419.61mm)	2.17" (55.12mm)	96th Driest	Driest since: 2005	1976
Jul–Dec 2006 6-Month	18.69" (474.73mm)	16.52" (419.61mm)	2.17" (55.12mm)	33rd Wettest	Wettest since: 1993	2018
Jun–Dec 2006 7-Month	21.18" (537.97mm)	21.15" (537.21mm)	0.03" (0.76mm)	65th Driest	Driest since: 2005	1976
Jun–Dec 2006 7-Month	21.18" (537.97mm)	21.15" (537.21mm)	0.03" (0.76mm)	64th Wettest	Wettest since: 1998	2018
May–Dec 2006 8-Month	23.62" (599.95mm)	25.20" (640.08mm)	-1.58" (-40.13mm)	47th Driest	Driest since: 2005	1976
May–Dec 2006 8-Month	23.62" (599.95mm)	25.20" (640.08mm)	-1.58" (-40.13mm)	82nd Wettest	Wettest since: 2004	1993
Apr–Dec 2006 9-Month	27.92" (709.17mm)	28.15" (715.01mm)	-0.23" (-5.84mm)	59th Driest	Driest since: 2005	1910
Apr–Dec 2006 9-Month	27.92" (709.17mm)	28.15" (715.01mm)	-0.23" (-5.84mm)	70th Wettest	Wettest since: 2004	1993
Mar–Dec 2006 10-Month	31.09" (789.69mm)	30.10" (764.54mm)	0.99" (25.15mm)	75th Driest	Driest since: 2005	1910
Mar–Dec 2006 10-Month	31.09" (789.69mm)	30.10" (764.54mm)	0.99" (25.15mm)	54th Wettest	Wettest since: 2004	1993
Feb–Dec 2006 11-Month	31.41" (797.81mm)	31.12" (790.45mm)	0.29" (7.36mm)	69th Driest	Driest since: 2005	1910
Feb–Dec 2006 11-Month	31.41" (797.81mm)	31.12" (790.45mm)	0.29" (7.36mm)	60th Wettest	Wettest since: 2004	1993
Jan–Dec 2006 12-Month	32.40" (822.96mm)	32.09" (815.09mm)	0.31" (7.87mm)	71st Driest	Driest since: 2005	1910
Jan–Dec 2006 12-Month	32.40" (822.96mm)	32.09" (815.09mm)	0.31" (7.87mm)	58th Wettest	Wettest since: 2004	1993
Jul 2005–Dec 2006 18-Month	45.81" (1,163.57mm)	48.69" (1,236.73mm)	-2.88" (-73.16mm)	41st Driest	Driest since: 2003	1956
Jul 2005–Dec 2006 18-Month	45.81" (1,163.57mm)	48.69" (1,236.73mm)	-2.88" (-73.16mm)	87th Wettest	Wettest since: 2005	1993
Jan 2005–Dec 2006 24-Month	62.24" (1,580.90mm)	64.24" (1,631.70mm)	-2.00" (-50.80mm)	50th Driest	Driest since: 2003	1989
Jan 2005–Dec 2006 24-Month	62.24" (1,580.90mm)	64.24" (1,631.70mm)	-2.00" (-50.80mm)	78th Wettest	Wettest since: 2005	2019
Jan 2004–Dec 2006 36-Month	97.65" (2,480.31mm)	96.36" (2,447.54mm)	1.29" (32.77mm)	67th Driest	Driest since: 2005	1957
Jan 2004–Dec 2006 36-Month	97.65" (2,480.31mm)	96.36" (2,447.54mm)	1.29" (32.77mm)	60th Wettest	Wettest since: 2000	2010
Jan 2003–Dec 2006 48-Month	126.34" (3,209.04mm)	128.37" (3,260.60mm)	-2.03" (-51.56mm)	49th Driest	Driest since: 2005	1958
Jan 2003–Dec 2006 48-Month	126.34" (3,209.04mm)	128.37" (3,260.60mm)	-2.03" (-51.56mm)	77th Wettest	Wettest since: 2004	2010
Jan 2002–Dec 2006 60-Month	155.82" (3,957.83mm)	160.36" (4,073.14mm)	-4.54" (-115.31mm)	36th Driest	Driest since: 2003	1956
Jan 2002–Dec 2006 60-Month	155.82" (3,957.83mm)	160.36" (4,073.14mm)	-4.54" (-115.31mm)	89th Wettest	Wettest since: 2005	2010

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings