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, November 2006

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Record Driest

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
November 2006 1-Month	1.77" (44.96mm)	1.75" (44.45mm)	0.02" (0.51mm)	77th Driest	Driest since: 2005	1976
November 2006 1-Month	1.77" (44.96mm)	1.75" (44.45mm)	0.02" (0.51mm)	52nd Wettest	Wettest since: 2004	1931
Oct–Nov 2006 2-Month	3.41" (86.61mm)	4.04" (102.62mm)	-0.63" (-16.01mm)	46th Driest	Driest since: 2005	1910
Oct–Nov 2006 2-Month	3.41" (86.61mm)	4.04" (102.62mm)	-0.63" (-16.01mm)	83rd Wettest	Wettest since: 2004	1931
Sep–Nov 2006 3-Month	7.63" (193.80mm)	7.71" (195.83mm)	-0.08" (-2.03mm)	66th Driest	Driest since: 2005	1953
Sep–Nov 2006 3-Month	7.63" (193.80mm)	7.71" (195.83mm)	-0.08" (-2.03mm)	63rd Wettest	Wettest since: 2001	1931
Aug–Nov 2006 4-Month	13.38" (339.85mm)	11.55" (293.37mm)	1.83" (46.48mm)	93rd Driest	Driest since: 2005	1976
Aug–Nov 2006 4-Month	13.38" (339.85mm)	11.55" (293.37mm)	1.83" (46.48mm)	36th Wettest	Wettest since: 1998	2018
Jul–Nov 2006 5-Month	16.60" (421.64mm)	15.41" (391.41mm)	1.19" (30.23mm)	82nd Driest	Driest since: 2005	1976
Jul–Nov 2006 5-Month	16.60" (421.64mm)	15.41" (391.41mm)	1.19" (30.23mm)	47th Wettest	Wettest since: 1998	1993
Jun–Nov 2006 6-Month	19.09" (484.89mm)	20.04" (509.02mm)	-0.95" (-24.13mm)	54th Driest	Driest since: 2005	1976
Jun–Nov 2006 6-Month	19.09" (484.89mm)	20.04" (509.02mm)	-0.95" (-24.13mm)	75th Wettest	Wettest since: 2004	1993
May–Nov 2006 7-Month	21.53" (546.86mm)	24.09" (611.89mm)	-2.56" (-65.03mm)	33rd Driest	Driest since: 2005	1976
May–Nov 2006 7-Month	21.53" (546.86mm)	24.09" (611.89mm)	-2.56" (-65.03mm)	96th Wettest	Wettest since: 2004	1993
Apr–Nov 2006 8-Month	25.83" (656.08mm)	27.03" (686.56mm)	-1.20" (-30.48mm)	52nd Driest	Driest since: 2005	1910
Apr–Nov 2006 8-Month	25.83" (656.08mm)	27.03" (686.56mm)	-1.20" (-30.48mm)	77th Wettest	Wettest since: 2004	1993
Mar–Nov 2006 9-Month	29.00" (736.60mm)	28.99" (736.35mm)	0.01" (0.25mm)	62nd Driest	Driest since: 2005	1910
Mar–Nov 2006 9-Month	29.00" (736.60mm)	28.99" (736.35mm)	0.01" (0.25mm)	67th Wettest	Wettest since: 2004	1993
Feb–Nov 2006 10-Month	29.32" (744.73mm)	30.00" (762.00mm)	-0.68" (-17.27mm)	58th Driest	Driest since: 2005	1910
Feb–Nov 2006 10-Month	29.32" (744.73mm)	30.00" (762.00mm)	-0.68" (-17.27mm)	71st Wettest	Wettest since: 2004	1993
Jan–Nov 2006 11-Month	30.31" (769.87mm)	30.98" (786.89mm)	-0.67" (-17.02mm)	58th Driest	Driest since: 2005	1910
	30.31" (769.87mm)	30.98" (786.89mm)	-0.67" (-17.02mm)	71st Wettest	Wettest since: 2004	1993
	Ties: 1964
Dec 2005–Nov 2006 12-Month	31.48" (799.59mm)	32.08" (814.83mm)	-0.60" (-15.24mm)	58th Driest	Driest since: 2005	1910
Dec 2005–Nov 2006 12-Month	31.48" (799.59mm)	32.08" (814.83mm)	-0.60" (-15.24mm)	70th Wettest	Wettest since: 2004	1993
Jun 2005–Nov 2006 18-Month	48.97" (1,243.84mm)	52.18" (1,325.37mm)	-3.21" (-81.53mm)	45th Driest	Driest since: 2005	1956
Jun 2005–Nov 2006 18-Month	48.97" (1,243.84mm)	52.18" (1,325.37mm)	-3.21" (-81.53mm)	83rd Wettest	Wettest since: 2004	2019
Dec 2004–Nov 2006 24-Month	60.73" (1,542.54mm)	64.24" (1,631.70mm)	-3.51" (-89.16mm)	41st Driest	Driest since: 2003	1956
Dec 2004–Nov 2006 24-Month	60.73" (1,542.54mm)	64.24" (1,631.70mm)	-3.51" (-89.16mm)	86th Wettest	Wettest since: 2005	2019
Dec 2003–Nov 2006 36-Month	96.84" (2,459.74mm)	96.35" (2,447.29mm)	0.49" (12.45mm)	62nd Driest	Driest since: 2005	1957
Dec 2003–Nov 2006 36-Month	96.84" (2,459.74mm)	96.35" (2,447.29mm)	0.49" (12.45mm)	64th Wettest	Wettest since: 2000	2010
Dec 2002–Nov 2006 48-Month	124.49" (3,162.05mm)	128.38" (3,260.85mm)	-3.89" (-98.80mm)	39th Driest	Driest since: 2005	1958
Dec 2002–Nov 2006 48-Month	124.49" (3,162.05mm)	128.38" (3,260.85mm)	-3.89" (-98.80mm)	86th Wettest	Wettest since: 2004	2010
Dec 2001–Nov 2006 60-Month	154.56" (3,925.82mm)	160.36" (4,073.14mm)	-5.80" (-147.32mm)	26th Driest	Driest since: 2003	1956
Dec 2001–Nov 2006 60-Month	154.56" (3,925.82mm)	160.36" (4,073.14mm)	-5.80" (-147.32mm)	98th Wettest	Wettest since: 2005	2010

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings