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 1959

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
January 1959 1-Month	0.77" (19.56mm)	0.98" (24.89mm)	-0.21" (-5.33mm)	51st Driest	Driest since: 1958	1981
	0.77" (19.56mm)	0.98" (24.89mm)	-0.21" (-5.33mm)	78th Wettest	Wettest since: 1955	1949
	Ties: 1943, 1991
Dec 1958–Jan 1959 2-Month	1.02" (25.91mm)	2.08" (52.83mm)	-1.06" (-26.92mm)	9th Driest	Driest since: 1956	2003
Dec 1958–Jan 1959 2-Month	1.02" (25.91mm)	2.08" (52.83mm)	-1.06" (-26.92mm)	119th Wettest	Wettest since: 1958	2016
Nov 1958–Jan 1959 3-Month	2.64" (67.06mm)	3.82" (97.03mm)	-1.18" (-29.97mm)	32nd Driest	Driest since: 1956	2003
	2.64" (67.06mm)	3.82" (97.03mm)	-1.18" (-29.97mm)	96th Wettest	Wettest since: 1958	1932
	Ties: 2014
Oct 1958–Jan 1959 4-Month	3.56" (90.42mm)	6.13" (155.70mm)	-2.57" (-65.28mm)	14th Driest	Driest since: 1956	1911
Oct 1958–Jan 1959 4-Month	3.56" (90.42mm)	6.13" (155.70mm)	-2.57" (-65.28mm)	114th Wettest	Wettest since: 1958	1932
Sep 1958–Jan 1959 5-Month	6.63" (168.40mm)	9.83" (249.68mm)	-3.20" (-81.28mm)	19th Driest	Driest since: 1957	1977
Sep 1958–Jan 1959 5-Month	6.63" (168.40mm)	9.83" (249.68mm)	-3.20" (-81.28mm)	109th Wettest	Wettest since: 1958	1932
Aug 1958–Jan 1959 6-Month	9.10" (231.14mm)	13.69" (347.73mm)	-4.59" (-116.59mm)	11th Driest	Driest since: 1956	1977
Aug 1958–Jan 1959 6-Month	9.10" (231.14mm)	13.69" (347.73mm)	-4.59" (-116.59mm)	117th Wettest	Wettest since: 1958	2019
Jul 1958–Jan 1959 7-Month	16.27" (413.26mm)	17.57" (446.28mm)	-1.30" (-33.02mm)	51st Driest	Driest since: 1957	1977
Jul 1958–Jan 1959 7-Month	16.27" (413.26mm)	17.57" (446.28mm)	-1.30" (-33.02mm)	77th Wettest	Wettest since: 1958	2019
Jun 1958–Jan 1959 8-Month	20.13" (511.30mm)	22.18" (563.37mm)	-2.05" (-52.07mm)	47th Driest	Driest since: 1957	1977
Jun 1958–Jan 1959 8-Month	20.13" (511.30mm)	22.18" (563.37mm)	-2.05" (-52.07mm)	81st Wettest	Wettest since: 1958	2019
May 1958–Jan 1959 9-Month	22.13" (562.10mm)	26.22" (665.99mm)	-4.09" (-103.89mm)	23rd Driest	Driest since: 1957	1977
May 1958–Jan 1959 9-Month	22.13" (562.10mm)	26.22" (665.99mm)	-4.09" (-103.89mm)	105th Wettest	Wettest since: 1958	1994
Apr 1958–Jan 1959 10-Month	24.36" (618.74mm)	29.17" (740.92mm)	-4.81" (-122.18mm)	19th Driest	Driest since: 1957	1911
Apr 1958–Jan 1959 10-Month	24.36" (618.74mm)	29.17" (740.92mm)	-4.81" (-122.18mm)	109th Wettest	Wettest since: 1958	1994
Mar 1958–Jan 1959 11-Month	24.92" (632.97mm)	31.14" (790.96mm)	-6.22" (-157.99mm)	15th Driest	Driest since: 1957	1911
Mar 1958–Jan 1959 11-Month	24.92" (632.97mm)	31.14" (790.96mm)	-6.22" (-157.99mm)	113th Wettest	Wettest since: 1958	1994
Feb 1958–Jan 1959 12-Month	25.40" (645.16mm)	32.15" (816.61mm)	-6.75" (-171.45mm)	12th Driest	Driest since: 1957	1911
Feb 1958–Jan 1959 12-Month	25.40" (645.16mm)	32.15" (816.61mm)	-6.75" (-171.45mm)	116th Wettest	Wettest since: 1958	1994
Aug 1957–Jan 1959 18-Month	38.98" (990.09mm)	45.86" (1,164.84mm)	-6.88" (-174.75mm)	17th Driest	Driest since: 1957	1957
Aug 1957–Jan 1959 18-Month	38.98" (990.09mm)	45.86" (1,164.84mm)	-6.88" (-174.75mm)	110th Wettest	Wettest since: 1958	2020
Feb 1957–Jan 1959 24-Month	57.06" (1,449.32mm)	64.28" (1,632.71mm)	-7.22" (-183.39mm)	17th Driest	Driest since: 1958	1990
Feb 1957–Jan 1959 24-Month	57.06" (1,449.32mm)	64.28" (1,632.71mm)	-7.22" (-183.39mm)	110th Wettest	Wettest since: 1956	2020
Feb 1956–Jan 1959 36-Month	81.45" (2,068.83mm)	96.29" (2,445.77mm)	-14.84" (-376.94mm)	4th Driest	Driest since: 1958	1958
Feb 1956–Jan 1959 36-Month	81.45" (2,068.83mm)	96.29" (2,445.77mm)	-14.84" (-376.94mm)	122nd Wettest	Wettest since: 1957	2011
Feb 1955–Jan 1959 48-Month	103.97" (2,640.84mm)	128.27" (3,258.06mm)	-24.30" (-617.22mm)	1st Driest	Driest since: 1959	1959
Feb 1955–Jan 1959 48-Month	103.97" (2,640.84mm)	128.27" (3,258.06mm)	-24.30" (-617.22mm)	124th Wettest	Wettest since: 1958	2011
Feb 1954–Jan 1959 60-Month	138.81" (3,525.77mm)	160.30" (4,071.62mm)	-21.49" (-545.85mm)	4th Driest	Driest since: 1958	1957
Feb 1954–Jan 1959 60-Month	138.81" (3,525.77mm)	160.30" (4,071.62mm)	-21.49" (-545.85mm)	120th Wettest	Wettest since: 1956	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published November 2022, retrieved on December 3, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings