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 1946

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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 1946 1-Month	3.31" (84.07mm)	2.29" (58.17mm)	1.02" (25.90mm)	99th Driest	Driest since: 1945	1952
October 1946 1-Month	3.31" (84.07mm)	2.29" (58.17mm)	1.02" (25.90mm)	30th Wettest	Wettest since: 1941	2009
Sep–Oct 1946 2-Month	8.33" (211.58mm)	5.96" (151.38mm)	2.37" (60.20mm)	109th Driest	Driest since: 1945	1952
Sep–Oct 1946 2-Month	8.33" (211.58mm)	5.96" (151.38mm)	2.37" (60.20mm)	20th Wettest	Wettest since: 1941	1941
Aug–Oct 1946 3-Month	11.93" (303.02mm)	9.80" (248.92mm)	2.13" (54.10mm)	99th Driest	Driest since: 1945	1953
Aug–Oct 1946 3-Month	11.93" (303.02mm)	9.80" (248.92mm)	2.13" (54.10mm)	30th Wettest	Wettest since: 1941	2018
Jul–Oct 1946 4-Month	14.41" (366.01mm)	13.66" (346.96mm)	0.75" (19.05mm)	78th Driest	Driest since: 1945	1953, 1976
Jul–Oct 1946 4-Month	14.41" (366.01mm)	13.66" (346.96mm)	0.75" (19.05mm)	51st Wettest	Wettest since: 1941	1993
Jun–Oct 1946 5-Month	20.66" (524.76mm)	18.29" (464.57mm)	2.37" (60.19mm)	95th Driest	Driest since: 1945	1976
Jun–Oct 1946 5-Month	20.66" (524.76mm)	18.29" (464.57mm)	2.37" (60.19mm)	34th Wettest	Wettest since: 1941	1993
May–Oct 1946 6-Month	25.18" (639.57mm)	22.33" (567.18mm)	2.85" (72.39mm)	97th Driest	Driest since: 1945	1976
May–Oct 1946 6-Month	25.18" (639.57mm)	22.33" (567.18mm)	2.85" (72.39mm)	32nd Wettest	Wettest since: 1941	1993
Apr–Oct 1946 7-Month	26.32" (668.53mm)	25.28" (642.11mm)	1.04" (26.42mm)	70th Driest	Driest since: 1945	1988
Apr–Oct 1946 7-Month	26.32" (668.53mm)	25.28" (642.11mm)	1.04" (26.42mm)	59th Wettest	Wettest since: 1944	1993
Mar–Oct 1946 8-Month	30.35" (770.89mm)	27.23" (691.64mm)	3.12" (79.25mm)	95th Driest	Driest since: 1945	1988
Mar–Oct 1946 8-Month	30.35" (770.89mm)	27.23" (691.64mm)	3.12" (79.25mm)	34th Wettest	Wettest since: 1944	1993
Feb–Oct 1946 9-Month	30.72" (780.29mm)	28.25" (717.55mm)	2.47" (62.74mm)	89th Driest	Driest since: 1945	1988
Feb–Oct 1946 9-Month	30.72" (780.29mm)	28.25" (717.55mm)	2.47" (62.74mm)	40th Wettest	Wettest since: 1944	1993
Jan–Oct 1946 10-Month	32.51" (825.75mm)	29.23" (742.44mm)	3.28" (83.31mm)	94th Driest	Driest since: 1945	1988
Jan–Oct 1946 10-Month	32.51" (825.75mm)	29.23" (742.44mm)	3.28" (83.31mm)	35th Wettest	Wettest since: 1944	1993
Dec 1945–Oct 1946 11-Month	34.47" (875.54mm)	30.33" (770.38mm)	4.14" (105.16mm)	101st Driest	Driest since: 1945	1988
Dec 1945–Oct 1946 11-Month	34.47" (875.54mm)	30.33" (770.38mm)	4.14" (105.16mm)	27th Wettest	Wettest since: 1915	1993
Nov 1945–Oct 1946 12-Month	35.75" (908.05mm)	32.07" (814.58mm)	3.68" (93.47mm)	94th Driest	Driest since: 1945	1956
Nov 1945–Oct 1946 12-Month	35.75" (908.05mm)	32.07" (814.58mm)	3.68" (93.47mm)	34th Wettest	Wettest since: 1941	1993
May 1945–Oct 1946 18-Month	57.37" (1,457.20mm)	54.47" (1,383.54mm)	2.90" (73.66mm)	81st Driest	Driest since: 1943	1956
May 1945–Oct 1946 18-Month	57.37" (1,457.20mm)	54.47" (1,383.54mm)	2.90" (73.66mm)	47th Wettest	Wettest since: 1945	2019
Nov 1944–Oct 1946 24-Month	69.63" (1,768.60mm)	64.23" (1,631.44mm)	5.40" (137.16mm)	95th Driest	Driest since: 1945	1956
Nov 1944–Oct 1946 24-Month	69.63" (1,768.60mm)	64.23" (1,631.44mm)	5.40" (137.16mm)	32nd Wettest	Wettest since: 1915	1993
Nov 1943–Oct 1946 36-Month	104.96" (2,665.98mm)	96.34" (2,447.04mm)	8.62" (218.94mm)	103rd Driest	Driest since: 1945	1957
Nov 1943–Oct 1946 36-Month	104.96" (2,665.98mm)	96.34" (2,447.04mm)	8.62" (218.94mm)	23rd Wettest	Wettest since: 1904	2010
Nov 1942–Oct 1946 48-Month	137.73" (3,498.34mm)	128.36" (3,260.34mm)	9.37" (238.00mm)	97th Driest	Driest since: 1945	1958
Nov 1942–Oct 1946 48-Month	137.73" (3,498.34mm)	128.36" (3,260.34mm)	9.37" (238.00mm)	28th Wettest	Wettest since: 1905	2010
Nov 1941–Oct 1946 60-Month	170.73" (4,336.54mm)	160.34" (4,072.64mm)	10.39" (263.90mm)	94th Driest	Driest since: 1944	1956
Nov 1941–Oct 1946 60-Month	170.73" (4,336.54mm)	160.34" (4,072.64mm)	10.39" (263.90mm)	30th Wettest	Wettest since: 1945	2010

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published June 2023, retrieved on June 9, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings