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 1922

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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 1922 1-Month	0.84" (21.34mm)	0.98" (24.89mm)	-0.14" (-3.55mm)	59th Driest	Driest since: 1921	1981
	0.84" (21.34mm)	0.98" (24.89mm)	-0.14" (-3.55mm)	71st Wettest	Wettest since: 1918	1949
	Ties: 1934
Dec 1921–Jan 1922 2-Month	1.88" (47.75mm)	2.08" (52.83mm)	-0.20" (-5.08mm)	58th Driest	Driest since: 1921	2003
	1.88" (47.75mm)	2.08" (52.83mm)	-0.20" (-5.08mm)	71st Wettest	Wettest since: 1916	2016
	Ties: 1958
Nov 1921–Jan 1922 3-Month	2.46" (62.48mm)	3.82" (97.03mm)	-1.36" (-34.55mm)	26th Driest	Driest since: 1918	2003
	2.46" (62.48mm)	3.82" (97.03mm)	-1.36" (-34.55mm)	103rd Wettest	Wettest since: 1921	1932
	Ties: 2000
Oct 1921–Jan 1922 4-Month	4.42" (112.27mm)	6.13" (155.70mm)	-1.71" (-43.43mm)	26th Driest	Driest since: 1918	1911
Oct 1921–Jan 1922 4-Month	4.42" (112.27mm)	6.13" (155.70mm)	-1.71" (-43.43mm)	103rd Wettest	Wettest since: 1921	1932
Sep 1921–Jan 1922 5-Month	11.11" (282.19mm)	9.83" (249.68mm)	1.28" (32.51mm)	86th Driest	Driest since: 1921	1977
Sep 1921–Jan 1922 5-Month	11.11" (282.19mm)	9.83" (249.68mm)	1.28" (32.51mm)	43rd Wettest	Wettest since: 1920	1932
Aug 1921–Jan 1922 6-Month	16.13" (409.70mm)	13.69" (347.73mm)	2.44" (61.97mm)	99th Driest	Driest since: 1921	1977
Aug 1921–Jan 1922 6-Month	16.13" (409.70mm)	13.69" (347.73mm)	2.44" (61.97mm)	30th Wettest	Wettest since: 1912	2019
Jul 1921–Jan 1922 7-Month	18.72" (475.49mm)	17.57" (446.28mm)	1.15" (29.21mm)	84th Driest	Driest since: 1921	1977
Jul 1921–Jan 1922 7-Month	18.72" (475.49mm)	17.57" (446.28mm)	1.15" (29.21mm)	45th Wettest	Wettest since: 1916	2019
Jun 1921–Jan 1922 8-Month	22.35" (567.69mm)	22.18" (563.37mm)	0.17" (4.32mm)	70th Driest	Driest since: 1921	1977
Jun 1921–Jan 1922 8-Month	22.35" (567.69mm)	22.18" (563.37mm)	0.17" (4.32mm)	59th Wettest	Wettest since: 1920	2019
May 1921–Jan 1922 9-Month	26.65" (676.91mm)	26.22" (665.99mm)	0.43" (10.92mm)	70th Driest	Driest since: 1921	1977
	26.65" (676.91mm)	26.22" (665.99mm)	0.43" (10.92mm)	59th Wettest	Wettest since: 1920	1994
	Ties: 1946
Apr 1921–Jan 1922 10-Month	30.02" (762.51mm)	29.17" (740.92mm)	0.85" (21.59mm)	72nd Driest	Driest since: 1921	1911
Apr 1921–Jan 1922 10-Month	30.02" (762.51mm)	29.17" (740.92mm)	0.85" (21.59mm)	57th Wettest	Wettest since: 1920	1994
Mar 1921–Jan 1922 11-Month	31.61" (802.89mm)	31.14" (790.96mm)	0.47" (11.93mm)	70th Driest	Driest since: 1921	1911
Mar 1921–Jan 1922 11-Month	31.61" (802.89mm)	31.14" (790.96mm)	0.47" (11.93mm)	59th Wettest	Wettest since: 1920	1994
Feb 1921–Jan 1922 12-Month	32.36" (821.94mm)	32.15" (816.61mm)	0.21" (5.33mm)	70th Driest	Driest since: 1921	1911
Feb 1921–Jan 1922 12-Month	32.36" (821.94mm)	32.15" (816.61mm)	0.21" (5.33mm)	59th Wettest	Wettest since: 1920	1994
Aug 1920–Jan 1922 18-Month	44.98" (1,142.49mm)	45.86" (1,164.84mm)	-0.88" (-22.35mm)	56th Driest	Driest since: 1919	1957
Aug 1920–Jan 1922 18-Month	44.98" (1,142.49mm)	45.86" (1,164.84mm)	-0.88" (-22.35mm)	72nd Wettest	Wettest since: 1921	2020
Feb 1920–Jan 1922 24-Month	63.47" (1,612.14mm)	64.28" (1,632.71mm)	-0.81" (-20.57mm)	58th Driest	Driest since: 1919	1990
Feb 1920–Jan 1922 24-Month	63.47" (1,612.14mm)	64.28" (1,632.71mm)	-0.81" (-20.57mm)	70th Wettest	Wettest since: 1921	2020
Feb 1919–Jan 1922 36-Month	100.06" (2,541.52mm)	96.29" (2,445.77mm)	3.77" (95.75mm)	81st Driest	Driest since: 1921	1958
Feb 1919–Jan 1922 36-Month	100.06" (2,541.52mm)	96.29" (2,445.77mm)	3.77" (95.75mm)	46th Wettest	Wettest since: 1916	2011
Feb 1918–Jan 1922 48-Month	131.86" (3,349.24mm)	128.27" (3,258.06mm)	3.59" (91.18mm)	78th Driest	Driest since: 1921	1959
Feb 1918–Jan 1922 48-Month	131.86" (3,349.24mm)	128.27" (3,258.06mm)	3.59" (91.18mm)	48th Wettest	Wettest since: 1910	2011
Feb 1917–Jan 1922 60-Month	159.61" (4,054.09mm)	160.30" (4,071.62mm)	-0.69" (-17.53mm)	56th Driest	Driest since: 1921	1957
Feb 1917–Jan 1922 60-Month	159.61" (4,054.09mm)	160.30" (4,071.62mm)	-0.69" (-17.53mm)	69th Wettest	Wettest since: 1920	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 25, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings