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 1957

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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 1957 1-Month	2.75" (69.85mm)	2.29" (58.17mm)	0.46" (11.68mm)	76th Driest	Driest since: 1956	1952
October 1957 1-Month	2.75" (69.85mm)	2.29" (58.17mm)	0.46" (11.68mm)	53rd Wettest	Wettest since: 1954	2009
Sep–Oct 1957 2-Month	5.45" (138.43mm)	5.96" (151.38mm)	-0.51" (-12.95mm)	54th Driest	Driest since: 1956	1952
Sep–Oct 1957 2-Month	5.45" (138.43mm)	5.96" (151.38mm)	-0.51" (-12.95mm)	75th Wettest	Wettest since: 1954	1941
Aug–Oct 1957 3-Month	9.20" (233.68mm)	9.80" (248.92mm)	-0.60" (-15.24mm)	57th Driest	Driest since: 1956	1953
Aug–Oct 1957 3-Month	9.20" (233.68mm)	9.80" (248.92mm)	-0.60" (-15.24mm)	72nd Wettest	Wettest since: 1954	2018
Jul–Oct 1957 4-Month	12.83" (325.88mm)	13.66" (346.96mm)	-0.83" (-21.08mm)	55th Driest	Driest since: 1956	1953, 1976
Jul–Oct 1957 4-Month	12.83" (325.88mm)	13.66" (346.96mm)	-0.83" (-21.08mm)	74th Wettest	Wettest since: 1954	1993
Jun–Oct 1957 5-Month	17.60" (447.04mm)	18.29" (464.57mm)	-0.69" (-17.53mm)	57th Driest	Driest since: 1956	1976
Jun–Oct 1957 5-Month	17.60" (447.04mm)	18.29" (464.57mm)	-0.69" (-17.53mm)	72nd Wettest	Wettest since: 1954	1993
May–Oct 1957 6-Month	22.54" (572.52mm)	22.33" (567.18mm)	0.21" (5.34mm)	63rd Driest	Driest since: 1956	1976
May–Oct 1957 6-Month	22.54" (572.52mm)	22.33" (567.18mm)	0.21" (5.34mm)	66th Wettest	Wettest since: 1954	1993
Apr–Oct 1957 7-Month	25.06" (636.52mm)	25.28" (642.11mm)	-0.22" (-5.59mm)	59th Driest	Driest since: 1956	1988
Apr–Oct 1957 7-Month	25.06" (636.52mm)	25.28" (642.11mm)	-0.22" (-5.59mm)	70th Wettest	Wettest since: 1954	1993
Mar–Oct 1957 8-Month	26.94" (684.28mm)	27.23" (691.64mm)	-0.29" (-7.36mm)	57th Driest	Driest since: 1956	1988
Mar–Oct 1957 8-Month	26.94" (684.28mm)	27.23" (691.64mm)	-0.29" (-7.36mm)	72nd Wettest	Wettest since: 1954	1993
Feb–Oct 1957 9-Month	27.28" (692.91mm)	28.25" (717.55mm)	-0.97" (-24.64mm)	54th Driest	Driest since: 1956	1988
Feb–Oct 1957 9-Month	27.28" (692.91mm)	28.25" (717.55mm)	-0.97" (-24.64mm)	75th Wettest	Wettest since: 1954	1993
Jan–Oct 1957 10-Month	27.84" (707.14mm)	29.23" (742.44mm)	-1.39" (-35.30mm)	49th Driest	Driest since: 1956	1988
Jan–Oct 1957 10-Month	27.84" (707.14mm)	29.23" (742.44mm)	-1.39" (-35.30mm)	80th Wettest	Wettest since: 1954	1993
Dec 1956–Oct 1957 11-Month	28.36" (720.34mm)	30.33" (770.38mm)	-1.97" (-50.04mm)	43rd Driest	Driest since: 1956	1988
Dec 1956–Oct 1957 11-Month	28.36" (720.34mm)	30.33" (770.38mm)	-1.97" (-50.04mm)	85th Wettest	Wettest since: 1954	1993
Nov 1956–Oct 1957 12-Month	30.39" (771.91mm)	32.07" (814.58mm)	-1.68" (-42.67mm)	47th Driest	Driest since: 1956	1956
Nov 1956–Oct 1957 12-Month	30.39" (771.91mm)	32.07" (814.58mm)	-1.68" (-42.67mm)	81st Wettest	Wettest since: 1954	1993
May 1956–Oct 1957 18-Month	48.22" (1,224.79mm)	54.47" (1,383.54mm)	-6.25" (-158.75mm)	18th Driest	Driest since: 1956	1956
May 1956–Oct 1957 18-Month	48.22" (1,224.79mm)	54.47" (1,383.54mm)	-6.25" (-158.75mm)	110th Wettest	Wettest since: 1955	2019
Nov 1955–Oct 1957 24-Month	52.85" (1,342.39mm)	64.23" (1,631.44mm)	-11.38" (-289.05mm)	4th Driest	Driest since: 1956	1956
Nov 1955–Oct 1957 24-Month	52.85" (1,342.39mm)	64.23" (1,631.44mm)	-11.38" (-289.05mm)	123rd Wettest	Wettest since: 1955	1993
Nov 1954–Oct 1957 36-Month	76.05" (1,931.67mm)	96.34" (2,447.04mm)	-20.29" (-515.37mm)	1st Driest	Driest to Date	1957
Nov 1954–Oct 1957 36-Month	76.05" (1,931.67mm)	96.34" (2,447.04mm)	-20.29" (-515.37mm)	125th Wettest	Wettest since: 1956	2010
Nov 1953–Oct 1957 48-Month	111.94" (2,843.28mm)	128.36" (3,260.34mm)	-16.42" (-417.06mm)	4th Driest	Driest since: 1956	1958
Nov 1953–Oct 1957 48-Month	111.94" (2,843.28mm)	128.36" (3,260.34mm)	-16.42" (-417.06mm)	121st Wettest	Wettest since: 1955	2010
Nov 1952–Oct 1957 60-Month	138.97" (3,529.84mm)	160.34" (4,072.64mm)	-21.37" (-542.80mm)	3rd Driest	Driest since: 1956	1956
Nov 1952–Oct 1957 60-Month	138.97" (3,529.84mm)	160.34" (4,072.64mm)	-21.37" (-542.80mm)	121st Wettest	Wettest since: 1955	2010

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 5, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings