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, October 2003

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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
October 2003 1-Month	1.00" (25.40mm)	2.29" (58.17mm)	-1.29" (-32.77mm)	18th Driest	Driest since: 1999	1952
October 2003 1-Month	1.00" (25.40mm)	2.29" (58.17mm)	-1.29" (-32.77mm)	111th Wettest	Wettest since: 2002	2009
Sep–Oct 2003 2-Month	4.11" (104.39mm)	5.96" (151.38mm)	-1.85" (-46.99mm)	28th Driest	Driest since: 2000	1952
Sep–Oct 2003 2-Month	4.11" (104.39mm)	5.96" (151.38mm)	-1.85" (-46.99mm)	101st Wettest	Wettest since: 2002	1941
Aug–Oct 2003 3-Month	5.14" (130.56mm)	9.80" (248.92mm)	-4.66" (-118.36mm)	4th Driest	Driest since: 1976	1953
Aug–Oct 2003 3-Month	5.14" (130.56mm)	9.80" (248.92mm)	-4.66" (-118.36mm)	125th Wettest	Wettest since: 2002	2018
Jul–Oct 2003 4-Month	9.25" (234.95mm)	13.66" (346.96mm)	-4.41" (-112.01mm)	12th Driest	Driest since: 1976	1953, 1976
Jul–Oct 2003 4-Month	9.25" (234.95mm)	13.66" (346.96mm)	-4.41" (-112.01mm)	117th Wettest	Wettest since: 2002	1993
Jun–Oct 2003 5-Month	13.73" (348.74mm)	18.29" (464.57mm)	-4.56" (-115.83mm)	11th Driest	Driest since: 1988	1976
Jun–Oct 2003 5-Month	13.73" (348.74mm)	18.29" (464.57mm)	-4.56" (-115.83mm)	118th Wettest	Wettest since: 2002	1993
May–Oct 2003 6-Month	18.34" (465.84mm)	22.33" (567.18mm)	-3.99" (-101.34mm)	21st Driest	Driest since: 1988	1976
May–Oct 2003 6-Month	18.34" (465.84mm)	22.33" (567.18mm)	-3.99" (-101.34mm)	108th Wettest	Wettest since: 2002	1993
Apr–Oct 2003 7-Month	21.59" (548.39mm)	25.28" (642.11mm)	-3.69" (-93.72mm)	28th Driest	Driest since: 1988	1988
Apr–Oct 2003 7-Month	21.59" (548.39mm)	25.28" (642.11mm)	-3.69" (-93.72mm)	101st Wettest	Wettest since: 2002	1993
Mar–Oct 2003 8-Month	22.74" (577.60mm)	27.23" (691.64mm)	-4.49" (-114.04mm)	22nd Driest	Driest since: 1989	1988
Mar–Oct 2003 8-Month	22.74" (577.60mm)	27.23" (691.64mm)	-4.49" (-114.04mm)	107th Wettest	Wettest since: 2002	1993
Feb–Oct 2003 9-Month	23.56" (598.42mm)	28.25" (717.55mm)	-4.69" (-119.13mm)	22nd Driest	Driest since: 1989	1988
Feb–Oct 2003 9-Month	23.56" (598.42mm)	28.25" (717.55mm)	-4.69" (-119.13mm)	107th Wettest	Wettest since: 2002	1993
Jan–Oct 2003 10-Month	23.95" (608.33mm)	29.23" (742.44mm)	-5.28" (-134.11mm)	18th Driest	Driest since: 1988	1988
Jan–Oct 2003 10-Month	23.95" (608.33mm)	29.23" (742.44mm)	-5.28" (-134.11mm)	111th Wettest	Wettest since: 2002	1993
Dec 2002–Oct 2003 11-Month	24.19" (614.43mm)	30.33" (770.38mm)	-6.14" (-155.95mm)	10th Driest	Driest since: 1988	1988
Dec 2002–Oct 2003 11-Month	24.19" (614.43mm)	30.33" (770.38mm)	-6.14" (-155.95mm)	118th Wettest	Wettest since: 2002	1993
Nov 2002–Oct 2003 12-Month	24.41" (620.01mm)	32.07" (814.58mm)	-7.66" (-194.57mm)	6th Driest	Driest since: 1988	1956
Nov 2002–Oct 2003 12-Month	24.41" (620.01mm)	32.07" (814.58mm)	-7.66" (-194.57mm)	122nd Wettest	Wettest since: 2002	1993
May 2002–Oct 2003 18-Month	47.36" (1,202.94mm)	54.47" (1,383.54mm)	-7.11" (-180.60mm)	14th Driest	Driest since: 1989	1956
May 2002–Oct 2003 18-Month	47.36" (1,202.94mm)	54.47" (1,383.54mm)	-7.11" (-180.60mm)	114th Wettest	Wettest since: 2002	2019
Nov 2001–Oct 2003 24-Month	55.81" (1,417.57mm)	64.23" (1,631.44mm)	-8.42" (-213.87mm)	12th Driest	Driest since: 1989	1956
Nov 2001–Oct 2003 24-Month	55.81" (1,417.57mm)	64.23" (1,631.44mm)	-8.42" (-213.87mm)	115th Wettest	Wettest since: 2002	1993
Nov 2000–Oct 2003 36-Month	91.84" (2,332.74mm)	96.34" (2,447.04mm)	-4.50" (-114.30mm)	36th Driest	Driest since: 1990	1957
Nov 2000–Oct 2003 36-Month	91.84" (2,332.74mm)	96.34" (2,447.04mm)	-4.50" (-114.30mm)	90th Wettest	Wettest since: 2002	2010
Nov 1999–Oct 2003 48-Month	119.48" (3,034.79mm)	128.36" (3,260.34mm)	-8.88" (-225.55mm)	17th Driest	Driest since: 1990	1958
Nov 1999–Oct 2003 48-Month	119.48" (3,034.79mm)	128.36" (3,260.34mm)	-8.88" (-225.55mm)	108th Wettest	Wettest since: 2002	2010
Nov 1998–Oct 2003 60-Month	152.06" (3,862.32mm)	160.34" (4,072.64mm)	-8.28" (-210.32mm)	21st Driest	Driest since: 1991	1956
Nov 1998–Oct 2003 60-Month	152.06" (3,862.32mm)	160.34" (4,072.64mm)	-8.28" (-210.32mm)	103rd Wettest	Wettest since: 2002	2010

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings