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, October 1992

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
October 1992 1-Month	1.63" (41.40mm)	2.29" (58.17mm)	-0.66" (-16.77mm)	40th Driest	Driest since: 1988	1952
	1.63" (41.40mm)	2.29" (58.17mm)	-0.66" (-16.77mm)	89th Wettest	Wettest since: 1991	2009
	Ties: 1943
Sep–Oct 1992 2-Month	7.21" (183.13mm)	5.96" (151.38mm)	1.25" (31.75mm)	95th Driest	Driest since: 1991	1952
Sep–Oct 1992 2-Month	7.21" (183.13mm)	5.96" (151.38mm)	1.25" (31.75mm)	34th Wettest	Wettest since: 1986	1941
Aug–Oct 1992 3-Month	9.76" (247.90mm)	9.80" (248.92mm)	-0.04" (-1.02mm)	70th Driest	Driest since: 1991	1953
Aug–Oct 1992 3-Month	9.76" (247.90mm)	9.80" (248.92mm)	-0.04" (-1.02mm)	59th Wettest	Wettest since: 1989	2018
Jul–Oct 1992 4-Month	18.31" (465.07mm)	13.66" (346.96mm)	4.65" (118.11mm)	114th Driest	Driest since: 1991	1953, 1976
Jul–Oct 1992 4-Month	18.31" (465.07mm)	13.66" (346.96mm)	4.65" (118.11mm)	15th Wettest	Wettest since: 1986	1993
Jun–Oct 1992 5-Month	20.20" (513.08mm)	18.29" (464.57mm)	1.91" (48.51mm)	88th Driest	Driest since: 1991	1976
Jun–Oct 1992 5-Month	20.20" (513.08mm)	18.29" (464.57mm)	1.91" (48.51mm)	41st Wettest	Wettest since: 1990	1993
May–Oct 1992 6-Month	21.95" (557.53mm)	22.33" (567.18mm)	-0.38" (-9.65mm)	60th Driest	Driest since: 1991	1976
May–Oct 1992 6-Month	21.95" (557.53mm)	22.33" (567.18mm)	-0.38" (-9.65mm)	69th Wettest	Wettest since: 1990	1993
Apr–Oct 1992 7-Month	25.55" (648.97mm)	25.28" (642.11mm)	0.27" (6.86mm)	63rd Driest	Driest since: 1989	1988
	25.55" (648.97mm)	25.28" (642.11mm)	0.27" (6.86mm)	66th Wettest	Wettest since: 1991	1993
	Ties: 1983
Mar–Oct 1992 8-Month	27.76" (705.10mm)	27.23" (691.64mm)	0.53" (13.46mm)	69th Driest	Driest since: 1989	1988
Mar–Oct 1992 8-Month	27.76" (705.10mm)	27.23" (691.64mm)	0.53" (13.46mm)	60th Wettest	Wettest since: 1991	1993
Feb–Oct 1992 9-Month	29.05" (737.87mm)	28.25" (717.55mm)	0.80" (20.32mm)	73rd Driest	Driest since: 1989	1988
Feb–Oct 1992 9-Month	29.05" (737.87mm)	28.25" (717.55mm)	0.80" (20.32mm)	56th Wettest	Wettest since: 1991	1993
Jan–Oct 1992 10-Month	30.05" (763.27mm)	29.23" (742.44mm)	0.82" (20.83mm)	72nd Driest	Driest since: 1989	1988
Jan–Oct 1992 10-Month	30.05" (763.27mm)	29.23" (742.44mm)	0.82" (20.83mm)	57th Wettest	Wettest since: 1991	1993
Dec 1991–Oct 1992 11-Month	31.53" (800.86mm)	30.33" (770.38mm)	1.20" (30.48mm)	75th Driest	Driest since: 1989	1988
Dec 1991–Oct 1992 11-Month	31.53" (800.86mm)	30.33" (770.38mm)	1.20" (30.48mm)	53rd Wettest	Wettest since: 1991	1993
Nov 1991–Oct 1992 12-Month	35.89" (911.61mm)	32.07" (814.58mm)	3.82" (97.03mm)	97th Driest	Driest since: 1991	1956
	35.89" (911.61mm)	32.07" (814.58mm)	3.82" (97.03mm)	31st Wettest	Wettest since: 1990	1993
	Ties: 1954
May 1991–Oct 1992 18-Month	56.70" (1,440.18mm)	54.47" (1,383.54mm)	2.23" (56.64mm)	76th Driest	Driest since: 1990	1956
May 1991–Oct 1992 18-Month	56.70" (1,440.18mm)	54.47" (1,383.54mm)	2.23" (56.64mm)	52nd Wettest	Wettest since: 1991	2019
Nov 1990–Oct 1992 24-Month	70.94" (1,801.88mm)	64.23" (1,631.44mm)	6.71" (170.44mm)	102nd Driest	Driest since: 1990	1956
Nov 1990–Oct 1992 24-Month	70.94" (1,801.88mm)	64.23" (1,631.44mm)	6.71" (170.44mm)	25th Wettest	Wettest since: 1991	1993
Nov 1989–Oct 1992 36-Month	107.33" (2,726.18mm)	96.34" (2,447.04mm)	10.99" (279.14mm)	106th Driest	Driest since: 1991	1957
Nov 1989–Oct 1992 36-Month	107.33" (2,726.18mm)	96.34" (2,447.04mm)	10.99" (279.14mm)	20th Wettest	Wettest since: 1986	2010
Nov 1988–Oct 1992 48-Month	134.80" (3,423.92mm)	128.36" (3,260.34mm)	6.44" (163.58mm)	88th Driest	Driest since: 1991	1958
Nov 1988–Oct 1992 48-Month	134.80" (3,423.92mm)	128.36" (3,260.34mm)	6.44" (163.58mm)	37th Wettest	Wettest since: 1987	2010
Nov 1987–Oct 1992 60-Month	157.31" (3,995.67mm)	160.34" (4,072.64mm)	-3.03" (-76.97mm)	42nd Driest	Driest since: 1991	1956
Nov 1987–Oct 1992 60-Month	157.31" (3,995.67mm)	160.34" (4,072.64mm)	-3.03" (-76.97mm)	82nd Wettest	Wettest since: 1990	2010

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings