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 1958

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
January 1958 1-Month	0.70" (17.78mm)	0.98" (24.89mm)	-0.28" (-7.11mm)	43rd Driest	Driest since: 1957	1981
	0.70" (17.78mm)	0.98" (24.89mm)	-0.28" (-7.11mm)	86th Wettest	Wettest since: 1955	1949
	Ties: 1983
Dec 1957–Jan 1958 2-Month	1.88" (47.75mm)	2.08" (52.83mm)	-0.20" (-5.08mm)	58th Driest	Driest since: 1957	2003
	1.88" (47.75mm)	2.08" (52.83mm)	-0.20" (-5.08mm)	70th Wettest	Wettest since: 1953	2016
	Ties: 1922
Nov 1957–Jan 1958 3-Month	4.38" (111.25mm)	3.82" (97.03mm)	0.56" (14.22mm)	83rd Driest	Driest since: 1957	2003
Nov 1957–Jan 1958 3-Month	4.38" (111.25mm)	3.82" (97.03mm)	0.56" (14.22mm)	45th Wettest	Wettest since: 1953	1932
Oct 1957–Jan 1958 4-Month	7.13" (181.10mm)	6.13" (155.70mm)	1.00" (25.40mm)	90th Driest	Driest since: 1957	1911
	7.13" (181.10mm)	6.13" (155.70mm)	1.00" (25.40mm)	38th Wettest	Wettest since: 1949	1932
	Ties: 1909
Sep 1957–Jan 1958 5-Month	9.83" (249.68mm)	9.83" (249.68mm)	0.00" (0.00mm)	73rd Driest	Driest since: 1957	1977
Sep 1957–Jan 1958 5-Month	9.83" (249.68mm)	9.83" (249.68mm)	0.00" (0.00mm)	55th Wettest	Wettest since: 1949	1932
Aug 1957–Jan 1958 6-Month	13.58" (344.93mm)	13.69" (347.73mm)	-0.11" (-2.80mm)	66th Driest	Driest since: 1957	1977
Aug 1957–Jan 1958 6-Month	13.58" (344.93mm)	13.69" (347.73mm)	-0.11" (-2.80mm)	62nd Wettest	Wettest since: 1955	2019
Jul 1957–Jan 1958 7-Month	17.21" (437.13mm)	17.57" (446.28mm)	-0.36" (-9.15mm)	67th Driest	Driest since: 1957	1977
Jul 1957–Jan 1958 7-Month	17.21" (437.13mm)	17.57" (446.28mm)	-0.36" (-9.15mm)	61st Wettest	Wettest since: 1952	2019
Jun 1957–Jan 1958 8-Month	21.98" (558.29mm)	22.18" (563.37mm)	-0.20" (-5.08mm)	61st Driest	Driest since: 1957	1977
Jun 1957–Jan 1958 8-Month	21.98" (558.29mm)	22.18" (563.37mm)	-0.20" (-5.08mm)	67th Wettest	Wettest since: 1955	2019
May 1957–Jan 1958 9-Month	26.92" (683.77mm)	26.22" (665.99mm)	0.70" (17.78mm)	72nd Driest	Driest since: 1957	1977
May 1957–Jan 1958 9-Month	26.92" (683.77mm)	26.22" (665.99mm)	0.70" (17.78mm)	56th Wettest	Wettest since: 1955	1994
Apr 1957–Jan 1958 10-Month	29.44" (747.78mm)	29.17" (740.92mm)	0.27" (6.86mm)	63rd Driest	Driest since: 1957	1911
Apr 1957–Jan 1958 10-Month	29.44" (747.78mm)	29.17" (740.92mm)	0.27" (6.86mm)	65th Wettest	Wettest since: 1955	1994
Mar 1957–Jan 1958 11-Month	31.32" (795.53mm)	31.14" (790.96mm)	0.18" (4.57mm)	65th Driest	Driest since: 1957	1911
Mar 1957–Jan 1958 11-Month	31.32" (795.53mm)	31.14" (790.96mm)	0.18" (4.57mm)	63rd Wettest	Wettest since: 1955	1994
Feb 1957–Jan 1958 12-Month	31.66" (804.16mm)	32.15" (816.61mm)	-0.49" (-12.45mm)	61st Driest	Driest since: 1957	1911
Feb 1957–Jan 1958 12-Month	31.66" (804.16mm)	32.15" (816.61mm)	-0.49" (-12.45mm)	67th Wettest	Wettest since: 1955	1994
Aug 1956–Jan 1958 18-Month	42.20" (1,071.88mm)	45.86" (1,164.84mm)	-3.66" (-92.96mm)	40th Driest	Driest since: 1957	1957
Aug 1956–Jan 1958 18-Month	42.20" (1,071.88mm)	45.86" (1,164.84mm)	-3.66" (-92.96mm)	87th Wettest	Wettest since: 1953	2020
Feb 1956–Jan 1958 24-Month	56.05" (1,423.67mm)	64.28" (1,632.71mm)	-8.23" (-209.04mm)	16th Driest	Driest since: 1957	1990
Feb 1956–Jan 1958 24-Month	56.05" (1,423.67mm)	64.28" (1,632.71mm)	-8.23" (-209.04mm)	111th Wettest	Wettest since: 1956	2020
Feb 1955–Jan 1958 36-Month	78.57" (1,995.68mm)	96.29" (2,445.77mm)	-17.72" (-450.09mm)	1st Driest	Driest since: 1958	1958
Feb 1955–Jan 1958 36-Month	78.57" (1,995.68mm)	96.29" (2,445.77mm)	-17.72" (-450.09mm)	125th Wettest	Wettest since: 1957	2011
Feb 1954–Jan 1958 48-Month	113.41" (2,880.61mm)	128.27" (3,258.06mm)	-14.86" (-377.45mm)	8th Driest	Driest since: 1957	1959
Feb 1954–Jan 1958 48-Month	113.41" (2,880.61mm)	128.27" (3,258.06mm)	-14.86" (-377.45mm)	117th Wettest	Wettest since: 1955	2011
Feb 1953–Jan 1958 60-Month	138.70" (3,522.98mm)	160.30" (4,071.62mm)	-21.60" (-548.64mm)	3rd Driest	Driest since: 1957	1957
Feb 1953–Jan 1958 60-Month	138.70" (3,522.98mm)	160.30" (4,071.62mm)	-21.60" (-548.64mm)	121st Wettest	Wettest since: 1956	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings