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, July 1956

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1956 1-Month	4.52" (114.81mm)	3.86" (98.04mm)	0.66" (16.77mm)	93rd Driest	Driest since: 1955	1936
July 1956 1-Month	4.52" (114.81mm)	3.86" (98.04mm)	0.66" (16.77mm)	36th Wettest	Wettest since: 1951	1993
Jun–Jul 1956 2-Month	7.12" (180.85mm)	8.49" (215.65mm)	-1.37" (-34.80mm)	36th Driest	Driest since: 1955	1936
Jun–Jul 1956 2-Month	7.12" (180.85mm)	8.49" (215.65mm)	-1.37" (-34.80mm)	93rd Wettest	Wettest since: 1954	1993
May–Jul 1956 3-Month	10.40" (264.16mm)	12.53" (318.26mm)	-2.13" (-54.10mm)	31st Driest	Driest since: 1955	1988
May–Jul 1956 3-Month	10.40" (264.16mm)	12.53" (318.26mm)	-2.13" (-54.10mm)	98th Wettest	Wettest since: 1954	1993
Apr–Jul 1956 4-Month	12.38" (314.45mm)	15.48" (393.19mm)	-3.10" (-78.74mm)	18th Driest	Driest since: 1939	1936
Apr–Jul 1956 4-Month	12.38" (314.45mm)	15.48" (393.19mm)	-3.10" (-78.74mm)	111th Wettest	Wettest since: 1955	1993
Mar–Jul 1956 5-Month	13.31" (338.07mm)	17.43" (442.72mm)	-4.12" (-104.65mm)	12th Driest	Driest since: 1936	1936
Mar–Jul 1956 5-Month	13.31" (338.07mm)	17.43" (442.72mm)	-4.12" (-104.65mm)	117th Wettest	Wettest since: 1955	1993
Feb–Jul 1956 6-Month	13.85" (351.79mm)	18.45" (468.63mm)	-4.60" (-116.84mm)	9th Driest	Driest since: 1936	1988
Feb–Jul 1956 6-Month	13.85" (351.79mm)	18.45" (468.63mm)	-4.60" (-116.84mm)	120th Wettest	Wettest since: 1955	1993
Jan–Jul 1956 7-Month	14.30" (363.22mm)	19.43" (493.52mm)	-5.13" (-130.30mm)	7th Driest	Driest since: 1936	1988
Jan–Jul 1956 7-Month	14.30" (363.22mm)	19.43" (493.52mm)	-5.13" (-130.30mm)	122nd Wettest	Wettest since: 1955	1993
Dec 1955–Jul 1956 8-Month	14.79" (375.67mm)	20.53" (521.46mm)	-5.74" (-145.79mm)	7th Driest	Driest since: 1936	1988
Dec 1955–Jul 1956 8-Month	14.79" (375.67mm)	20.53" (521.46mm)	-5.74" (-145.79mm)	121st Wettest	Wettest since: 1955	1993
Nov 1955–Jul 1956 9-Month	15.03" (381.76mm)	22.27" (565.66mm)	-7.24" (-183.90mm)	4th Driest	Driest since: 1936	1934
Nov 1955–Jul 1956 9-Month	15.03" (381.76mm)	22.27" (565.66mm)	-7.24" (-183.90mm)	124th Wettest	Wettest since: 1955	1993
Oct 1955–Jul 1956 10-Month	16.51" (419.35mm)	24.58" (624.33mm)	-8.07" (-204.98mm)	3rd Driest	Driest since: 1934	1934
Oct 1955–Jul 1956 10-Month	16.51" (419.35mm)	24.58" (624.33mm)	-8.07" (-204.98mm)	125th Wettest	Wettest since: 1955	1993
Sep 1955–Jul 1956 11-Month	19.56" (496.82mm)	28.28" (718.31mm)	-8.72" (-221.49mm)	3rd Driest	Driest since: 1934	1988
Sep 1955–Jul 1956 11-Month	19.56" (496.82mm)	28.28" (718.31mm)	-8.72" (-221.49mm)	125th Wettest	Wettest since: 1955	1993
Aug 1955–Jul 1956 12-Month	21.44" (544.58mm)	32.14" (816.36mm)	-10.70" (-271.78mm)	1st Driest	Driest since: 1956	1956
Aug 1955–Jul 1956 12-Month	21.44" (544.58mm)	32.14" (816.36mm)	-10.70" (-271.78mm)	127th Wettest	Wettest since: 1955	2008
Feb 1955–Jul 1956 18-Month	36.37" (923.80mm)	50.60" (1,285.24mm)	-14.23" (-361.44mm)	4th Driest	Driest since: 1934	1911
Feb 1955–Jul 1956 18-Month	36.37" (923.80mm)	50.60" (1,285.24mm)	-14.23" (-361.44mm)	124th Wettest	Wettest since: 1955	2008
Aug 1954–Jul 1956 24-Month	51.66" (1,312.16mm)	64.31" (1,633.47mm)	-12.65" (-321.31mm)	6th Driest	Driest since: 1934	1934
Aug 1954–Jul 1956 24-Month	51.66" (1,312.16mm)	64.31" (1,633.47mm)	-12.65" (-321.31mm)	121st Wettest	Wettest since: 1955	2008
Aug 1953–Jul 1956 36-Month	77.83" (1,976.88mm)	96.40" (2,448.56mm)	-18.57" (-471.68mm)	1st Driest	Driest since: 1956	1956
Aug 1953–Jul 1956 36-Month	77.83" (1,976.88mm)	96.40" (2,448.56mm)	-18.57" (-471.68mm)	125th Wettest	Wettest since: 1955	2010
Aug 1952–Jul 1956 48-Month	106.71" (2,710.43mm)	128.38" (3,260.85mm)	-21.67" (-550.42mm)	2nd Driest	Driest since: 1956	1957
Aug 1952–Jul 1956 48-Month	106.71" (2,710.43mm)	128.38" (3,260.85mm)	-21.67" (-550.42mm)	123rd Wettest	Wettest since: 1955	2010
Aug 1951–Jul 1956 60-Month	140.92" (3,579.37mm)	160.37" (4,073.40mm)	-19.45" (-494.03mm)	5th Driest	Driest since: 1934	1957
Aug 1951–Jul 1956 60-Month	140.92" (3,579.37mm)	160.37" (4,073.40mm)	-19.45" (-494.03mm)	119th Wettest	Wettest since: 1955	2011

Citing This Page

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