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 2008

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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 2008 1-Month	1.88" (47.75mm)	1.11" (28.19mm)	0.77" (19.56mm)	113th Driest	Driest since: 2005	2002
December 2008 1-Month	1.88" (47.75mm)	1.11" (28.19mm)	0.77" (19.56mm)	16th Wettest	Wettest since: 2007	2015
Nov–Dec 2008 2-Month	3.60" (91.44mm)	2.87" (72.90mm)	0.73" (18.54mm)	94th Driest	Driest since: 2007	1976
Nov–Dec 2008 2-Month	3.60" (91.44mm)	2.87" (72.90mm)	0.73" (18.54mm)	35th Wettest	Wettest since: 2006	2015
Oct–Dec 2008 3-Month	6.86" (174.24mm)	5.16" (131.06mm)	1.70" (43.18mm)	106th Driest	Driest since: 2006	1910
	6.86" (174.24mm)	5.16" (131.06mm)	1.70" (43.18mm)	23rd Wettest	Wettest since: 2007	1931
	Ties: 1918, 1998
Sep–Dec 2008 4-Month	11.02" (279.91mm)	8.83" (224.28mm)	2.19" (55.63mm)	100th Driest	Driest since: 2007	1939, 1976
	11.02" (279.91mm)	8.83" (224.28mm)	2.19" (55.63mm)	29th Wettest	Wettest since: 1992	1931
	Ties: 1902
Aug–Dec 2008 5-Month	12.98" (329.69mm)	12.67" (321.82mm)	0.31" (7.87mm)	73rd Driest	Driest since: 2005	1976
	12.98" (329.69mm)	12.67" (321.82mm)	0.31" (7.87mm)	56th Wettest	Wettest since: 2007	2018
	Ties: 1903
Jul–Dec 2008 6-Month	18.86" (479.04mm)	16.52" (419.61mm)	2.34" (59.43mm)	98th Driest	Driest since: 2006	1976
Jul–Dec 2008 6-Month	18.86" (479.04mm)	16.52" (419.61mm)	2.34" (59.43mm)	31st Wettest	Wettest since: 2007	2018
Jun–Dec 2008 7-Month	27.74" (704.60mm)	21.15" (537.21mm)	6.59" (167.39mm)	122nd Driest	Driest since: 2007	1976
Jun–Dec 2008 7-Month	27.74" (704.60mm)	21.15" (537.21mm)	6.59" (167.39mm)	7th Wettest	Wettest since: 1993	2018
May–Dec 2008 8-Month	33.41" (848.61mm)	25.20" (640.08mm)	8.21" (208.53mm)	122nd Driest	Driest since: 2007	1976
May–Dec 2008 8-Month	33.41" (848.61mm)	25.20" (640.08mm)	8.21" (208.53mm)	7th Wettest	Wettest since: 1993	1993
Apr–Dec 2008 9-Month	39.27" (997.46mm)	28.15" (715.01mm)	11.12" (282.45mm)	123rd Driest	Driest since: 2007	1910
Apr–Dec 2008 9-Month	39.27" (997.46mm)	28.15" (715.01mm)	11.12" (282.45mm)	6th Wettest	Wettest since: 1993	1993
Mar–Dec 2008 10-Month	40.53" (1,029.46mm)	30.10" (764.54mm)	10.43" (264.92mm)	123rd Driest	Driest since: 2007	1910
Mar–Dec 2008 10-Month	40.53" (1,029.46mm)	30.10" (764.54mm)	10.43" (264.92mm)	6th Wettest	Wettest since: 1993	1993
Feb–Dec 2008 11-Month	42.24" (1,072.90mm)	31.12" (790.45mm)	11.12" (282.45mm)	124th Driest	Driest since: 2007	1910
Feb–Dec 2008 11-Month	42.24" (1,072.90mm)	31.12" (790.45mm)	11.12" (282.45mm)	5th Wettest	Wettest since: 1993	1993
Jan–Dec 2008 12-Month	42.92" (1,090.17mm)	32.09" (815.09mm)	10.83" (275.08mm)	124th Driest	Driest since: 2007	1910
	42.92" (1,090.17mm)	32.09" (815.09mm)	10.83" (275.08mm)	5th Wettest	Wettest since: 1993	1993
	Ties: 1973
Jul 2007–Dec 2008 18-Month	66.58" (1,691.13mm)	48.69" (1,236.73mm)	17.89" (454.40mm)	125th Driest	Driest since: 2007	1956
Jul 2007–Dec 2008 18-Month	66.58" (1,691.13mm)	48.69" (1,236.73mm)	17.89" (454.40mm)	3rd Wettest	Wettest since: 1993	1993
Jan 2007–Dec 2008 24-Month	85.33" (2,167.38mm)	64.24" (1,631.70mm)	21.09" (535.68mm)	126th Driest	Driest since: 2007	1989
Jan 2007–Dec 2008 24-Month	85.33" (2,167.38mm)	64.24" (1,631.70mm)	21.09" (535.68mm)	2nd Wettest	Wettest to Date	2019
Jan 2006–Dec 2008 36-Month	117.73" (2,990.34mm)	96.36" (2,447.54mm)	21.37" (542.80mm)	121st Driest	Driest since: 2007	1957
Jan 2006–Dec 2008 36-Month	117.73" (2,990.34mm)	96.36" (2,447.54mm)	21.37" (542.80mm)	6th Wettest	Wettest since: 1993	2010
Jan 2005–Dec 2008 48-Month	147.57" (3,748.28mm)	128.37" (3,260.60mm)	19.20" (487.68mm)	115th Driest	Driest since: 2007	1958
Jan 2005–Dec 2008 48-Month	147.57" (3,748.28mm)	128.37" (3,260.60mm)	19.20" (487.68mm)	11th Wettest	Wettest since: 1994	2010
Jan 2004–Dec 2008 60-Month	182.98" (4,647.69mm)	160.36" (4,073.14mm)	22.62" (574.55mm)	112th Driest	Driest since: 2007	1956
Jan 2004–Dec 2008 60-Month	182.98" (4,647.69mm)	160.36" (4,073.14mm)	22.62" (574.55mm)	13th Wettest	Wettest since: 1995	2010

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings