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 1992

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Record Driest
Bottom ⅒
Bottom ⅓
Normal
Top ⅓
Top ⅒
Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
January 1992 1-Month	1.00" (25.40mm)	0.98" (24.89mm)	0.02" (0.51mm)	80th Driest	Driest since: 1991	1981
January 1992 1-Month	1.00" (25.40mm)	0.98" (24.89mm)	0.02" (0.51mm)	50th Wettest	Wettest since: 1982	1949
Dec 1991–Jan 1992 2-Month	2.48" (62.99mm)	2.08" (52.83mm)	0.40" (10.16mm)	89th Driest	Driest since: 1991	2003
	2.48" (62.99mm)	2.08" (52.83mm)	0.40" (10.16mm)	40th Wettest	Wettest since: 1988	2016
	Ties: 2013
Nov 1991–Jan 1992 3-Month	6.84" (173.74mm)	3.82" (97.03mm)	3.02" (76.71mm)	122nd Driest	Driest since: 1991	2003
Nov 1991–Jan 1992 3-Month	6.84" (173.74mm)	3.82" (97.03mm)	3.02" (76.71mm)	7th Wettest	Wettest since: 1983	1932
Oct 1991–Jan 1992 4-Month	9.76" (247.90mm)	6.13" (155.70mm)	3.63" (92.20mm)	119th Driest	Driest since: 1991	1911
Oct 1991–Jan 1992 4-Month	9.76" (247.90mm)	6.13" (155.70mm)	3.63" (92.20mm)	10th Wettest	Wettest since: 1985	1932
Sep 1991–Jan 1992 5-Month	12.55" (318.77mm)	9.83" (249.68mm)	2.72" (69.09mm)	102nd Driest	Driest since: 1991	1977
Sep 1991–Jan 1992 5-Month	12.55" (318.77mm)	9.83" (249.68mm)	2.72" (69.09mm)	27th Wettest	Wettest since: 1987	1932
Aug 1991–Jan 1992 6-Month	16.00" (406.40mm)	13.69" (347.73mm)	2.31" (58.67mm)	96th Driest	Driest since: 1991	1977
Aug 1991–Jan 1992 6-Month	16.00" (406.40mm)	13.69" (347.73mm)	2.31" (58.67mm)	33rd Wettest	Wettest since: 1988	2019
Jul 1991–Jan 1992 7-Month	18.32" (465.33mm)	17.57" (446.28mm)	0.75" (19.05mm)	81st Driest	Driest since: 1991	1977
Jul 1991–Jan 1992 7-Month	18.32" (465.33mm)	17.57" (446.28mm)	0.75" (19.05mm)	48th Wettest	Wettest since: 1988	2019
Jun 1991–Jan 1992 8-Month	22.46" (570.48mm)	22.18" (563.37mm)	0.28" (7.11mm)	72nd Driest	Driest since: 1990	1977
Jun 1991–Jan 1992 8-Month	22.46" (570.48mm)	22.18" (563.37mm)	0.28" (7.11mm)	57th Wettest	Wettest since: 1991	2019
May 1991–Jan 1992 9-Month	27.65" (702.31mm)	26.22" (665.99mm)	1.43" (36.32mm)	78th Driest	Driest since: 1990	1977
May 1991–Jan 1992 9-Month	27.65" (702.31mm)	26.22" (665.99mm)	1.43" (36.32mm)	51st Wettest	Wettest since: 1991	1994
Apr 1991–Jan 1992 10-Month	33.48" (850.39mm)	29.17" (740.92mm)	4.31" (109.47mm)	99th Driest	Driest since: 1990	1911
Apr 1991–Jan 1992 10-Month	33.48" (850.39mm)	29.17" (740.92mm)	4.31" (109.47mm)	30th Wettest	Wettest since: 1991	1994
Mar 1991–Jan 1992 11-Month	37.67" (956.82mm)	31.14" (790.96mm)	6.53" (165.86mm)	109th Driest	Driest since: 1990	1911
Mar 1991–Jan 1992 11-Month	37.67" (956.82mm)	31.14" (790.96mm)	6.53" (165.86mm)	20th Wettest	Wettest since: 1991	1994
Feb 1991–Jan 1992 12-Month	37.97" (964.44mm)	32.15" (816.61mm)	5.82" (147.83mm)	105th Driest	Driest since: 1990	1911
Feb 1991–Jan 1992 12-Month	37.97" (964.44mm)	32.15" (816.61mm)	5.82" (147.83mm)	24th Wettest	Wettest since: 1991	1994
Aug 1990–Jan 1992 18-Month	49.48" (1,256.79mm)	45.86" (1,164.84mm)	3.62" (91.95mm)	91st Driest	Driest since: 1990	1957
Aug 1990–Jan 1992 18-Month	49.48" (1,256.79mm)	45.86" (1,164.84mm)	3.62" (91.95mm)	37th Wettest	Wettest since: 1991	2020
Feb 1990–Jan 1992 24-Month	76.77" (1,949.96mm)	64.28" (1,632.71mm)	12.49" (317.25mm)	116th Driest	Driest since: 1991	1990
Feb 1990–Jan 1992 24-Month	76.77" (1,949.96mm)	64.28" (1,632.71mm)	12.49" (317.25mm)	12th Wettest	Wettest since: 1974	2020
Feb 1989–Jan 1992 36-Month	101.42" (2,576.07mm)	96.29" (2,445.77mm)	5.13" (130.30mm)	88th Driest	Driest since: 1991	1958
Feb 1989–Jan 1992 36-Month	101.42" (2,576.07mm)	96.29" (2,445.77mm)	5.13" (130.30mm)	39th Wettest	Wettest since: 1988	2011
Feb 1988–Jan 1992 48-Month	123.06" (3,125.72mm)	128.27" (3,258.06mm)	-5.21" (-132.34mm)	35th Driest	Driest since: 1991	1959
Feb 1988–Jan 1992 48-Month	123.06" (3,125.72mm)	128.27" (3,258.06mm)	-5.21" (-132.34mm)	91st Wettest	Wettest since: 1989	2011
Feb 1987–Jan 1992 60-Month	156.35" (3,971.29mm)	160.30" (4,071.62mm)	-3.95" (-100.33mm)	36th Driest	Driest since: 1990	1957
Feb 1987–Jan 1992 60-Month	156.35" (3,971.29mm)	160.30" (4,071.62mm)	-3.95" (-100.33mm)	89th Wettest	Wettest since: 1991	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings