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, January 2003

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
January 2003 1-Month	0.39" (9.91mm)	0.98" (24.89mm)	-0.59" (-14.98mm)	15th Driest	Driest since: 1987	1981
January 2003 1-Month	0.39" (9.91mm)	0.98" (24.89mm)	-0.59" (-14.98mm)	115th Wettest	Wettest since: 2002	1949
Dec 2002–Jan 2003 2-Month	0.63" (16.00mm)	2.08" (52.83mm)	-1.45" (-36.83mm)	1st Driest	Driest to Date	2003
Dec 2002–Jan 2003 2-Month	0.63" (16.00mm)	2.08" (52.83mm)	-1.45" (-36.83mm)	128th Wettest	Wettest since: 2002	2016
Nov 2002–Jan 2003 3-Month	0.85" (21.59mm)	3.82" (97.03mm)	-2.97" (-75.44mm)	1st Driest	Driest to Date	2003
Nov 2002–Jan 2003 3-Month	0.85" (21.59mm)	3.82" (97.03mm)	-2.97" (-75.44mm)	128th Wettest	Wettest since: 2002	1932
Oct 2002–Jan 2003 4-Month	4.43" (112.52mm)	6.13" (155.70mm)	-1.70" (-43.18mm)	27th Driest	Driest since: 2000	1911
Oct 2002–Jan 2003 4-Month	4.43" (112.52mm)	6.13" (155.70mm)	-1.70" (-43.18mm)	102nd Wettest	Wettest since: 2002	1932
Sep 2002–Jan 2003 5-Month	6.14" (155.96mm)	9.83" (249.68mm)	-3.69" (-93.72mm)	13th Driest	Driest since: 2000	1977
	6.14" (155.96mm)	9.83" (249.68mm)	-3.69" (-93.72mm)	116th Wettest	Wettest since: 2002	1932
	Ties: 1911
Aug 2002–Jan 2003 6-Month	11.95" (303.53mm)	13.69" (347.73mm)	-1.74" (-44.20mm)	41st Driest	Driest since: 2001	1977
Aug 2002–Jan 2003 6-Month	11.95" (303.53mm)	13.69" (347.73mm)	-1.74" (-44.20mm)	88th Wettest	Wettest since: 2002	2019
Jul 2002–Jan 2003 7-Month	16.19" (411.23mm)	17.57" (446.28mm)	-1.38" (-35.05mm)	50th Driest	Driest since: 2002	1977
Jul 2002–Jan 2003 7-Month	16.19" (411.23mm)	17.57" (446.28mm)	-1.38" (-35.05mm)	79th Wettest	Wettest since: 1999	2019
Jun 2002–Jan 2003 8-Month	19.70" (500.38mm)	22.18" (563.37mm)	-2.48" (-62.99mm)	41st Driest	Driest since: 2002	1977
Jun 2002–Jan 2003 8-Month	19.70" (500.38mm)	22.18" (563.37mm)	-2.48" (-62.99mm)	88th Wettest	Wettest since: 2001	2019
May 2002–Jan 2003 9-Month	23.80" (604.52mm)	26.22" (665.99mm)	-2.42" (-61.47mm)	38th Driest	Driest since: 2000	1977
	23.80" (604.52mm)	26.22" (665.99mm)	-2.42" (-61.47mm)	91st Wettest	Wettest since: 2002	1994
	Ties: 1949
Apr 2002–Jan 2003 10-Month	27.42" (696.47mm)	29.17" (740.92mm)	-1.75" (-44.45mm)	49th Driest	Driest since: 1998	1911
Apr 2002–Jan 2003 10-Month	27.42" (696.47mm)	29.17" (740.92mm)	-1.75" (-44.45mm)	80th Wettest	Wettest since: 2002	1994
Mar 2002–Jan 2003 11-Month	28.58" (725.93mm)	31.14" (790.96mm)	-2.56" (-65.03mm)	43rd Driest	Driest since: 1998	1911
Mar 2002–Jan 2003 11-Month	28.58" (725.93mm)	31.14" (790.96mm)	-2.56" (-65.03mm)	86th Wettest	Wettest since: 2002	1994
Feb 2002–Jan 2003 12-Month	29.47" (748.54mm)	32.15" (816.61mm)	-2.68" (-68.07mm)	41st Driest	Driest since: 1998	1911
Feb 2002–Jan 2003 12-Month	29.47" (748.54mm)	32.15" (816.61mm)	-2.68" (-68.07mm)	88th Wettest	Wettest since: 2002	1994
Aug 2001–Jan 2003 18-Month	41.75" (1,060.45mm)	45.86" (1,164.84mm)	-4.11" (-104.39mm)	32nd Driest	Driest since: 2001	1957
Aug 2001–Jan 2003 18-Month	41.75" (1,060.45mm)	45.86" (1,164.84mm)	-4.11" (-104.39mm)	96th Wettest	Wettest since: 2002	2020
Feb 2001–Jan 2003 24-Month	63.04" (1,601.22mm)	64.28" (1,632.71mm)	-1.24" (-31.49mm)	55th Driest	Driest since: 2001	1990
Feb 2001–Jan 2003 24-Month	63.04" (1,601.22mm)	64.28" (1,632.71mm)	-1.24" (-31.49mm)	73rd Wettest	Wettest since: 2002	2020
Feb 2000–Jan 2003 36-Month	93.46" (2,373.88mm)	96.29" (2,445.77mm)	-2.83" (-71.89mm)	45th Driest	Driest since: 1991	1958
Feb 2000–Jan 2003 36-Month	93.46" (2,373.88mm)	96.29" (2,445.77mm)	-2.83" (-71.89mm)	82nd Wettest	Wettest since: 2002	2011
Feb 1999–Jan 2003 48-Month	125.18" (3,179.57mm)	128.27" (3,258.06mm)	-3.09" (-78.49mm)	42nd Driest	Driest since: 1998	1959
Feb 1999–Jan 2003 48-Month	125.18" (3,179.57mm)	128.27" (3,258.06mm)	-3.09" (-78.49mm)	84th Wettest	Wettest since: 2002	2011
Feb 1998–Jan 2003 60-Month	164.99" (4,190.75mm)	160.30" (4,071.62mm)	4.69" (119.13mm)	76th Driest	Driest since: 2002	1957
Feb 1998–Jan 2003 60-Month	164.99" (4,190.75mm)	160.30" (4,071.62mm)	4.69" (119.13mm)	49th Wettest	Wettest since: 2000	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings