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, August 1958

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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
August 1958 1-Month	2.47" (62.74mm)	3.84" (97.54mm)	-1.37" (-34.80mm)	22nd Driest	Driest since: 1955	1984
August 1958 1-Month	2.47" (62.74mm)	3.84" (97.54mm)	-1.37" (-34.80mm)	107th Wettest	Wettest since: 1957	2007
Jul–Aug 1958 2-Month	9.64" (244.86mm)	7.70" (195.58mm)	1.94" (49.28mm)	100th Driest	Driest since: 1957	1947
Jul–Aug 1958 2-Month	9.64" (244.86mm)	7.70" (195.58mm)	1.94" (49.28mm)	29th Wettest	Wettest since: 1951	1993
Jun–Aug 1958 3-Month	13.50" (342.90mm)	12.33" (313.18mm)	1.17" (29.72mm)	89th Driest	Driest since: 1957	1927
Jun–Aug 1958 3-Month	13.50" (342.90mm)	12.33" (313.18mm)	1.17" (29.72mm)	40th Wettest	Wettest since: 1954	1993
May–Aug 1958 4-Month	15.50" (393.70mm)	16.38" (416.05mm)	-0.88" (-22.35mm)	56th Driest	Driest since: 1956	1936
May–Aug 1958 4-Month	15.50" (393.70mm)	16.38" (416.05mm)	-0.88" (-22.35mm)	73rd Wettest	Wettest since: 1957	1993
Apr–Aug 1958 5-Month	17.73" (450.34mm)	19.32" (490.73mm)	-1.59" (-40.39mm)	44th Driest	Driest since: 1956	1936
Apr–Aug 1958 5-Month	17.73" (450.34mm)	19.32" (490.73mm)	-1.59" (-40.39mm)	85th Wettest	Wettest since: 1957	1993
Mar–Aug 1958 6-Month	18.29" (464.57mm)	21.28" (540.51mm)	-2.99" (-75.94mm)	29th Driest	Driest since: 1956	1936
Mar–Aug 1958 6-Month	18.29" (464.57mm)	21.28" (540.51mm)	-2.99" (-75.94mm)	100th Wettest	Wettest since: 1957	1993
Feb–Aug 1958 7-Month	18.77" (476.76mm)	22.29" (566.17mm)	-3.52" (-89.41mm)	23rd Driest	Driest since: 1956	1988
Feb–Aug 1958 7-Month	18.77" (476.76mm)	22.29" (566.17mm)	-3.52" (-89.41mm)	106th Wettest	Wettest since: 1957	1993
Jan–Aug 1958 8-Month	19.47" (494.54mm)	23.27" (591.06mm)	-3.80" (-96.52mm)	21st Driest	Driest since: 1956	1988
Jan–Aug 1958 8-Month	19.47" (494.54mm)	23.27" (591.06mm)	-3.80" (-96.52mm)	108th Wettest	Wettest since: 1957	1993
Dec 1957–Aug 1958 9-Month	20.65" (524.51mm)	24.37" (619.00mm)	-3.72" (-94.49mm)	22nd Driest	Driest since: 1956	1988
Dec 1957–Aug 1958 9-Month	20.65" (524.51mm)	24.37" (619.00mm)	-3.72" (-94.49mm)	106th Wettest	Wettest since: 1957	1993
Nov 1957–Aug 1958 10-Month	23.15" (588.01mm)	26.11" (663.19mm)	-2.96" (-75.18mm)	29th Driest	Driest since: 1956	1934
Nov 1957–Aug 1958 10-Month	23.15" (588.01mm)	26.11" (663.19mm)	-2.96" (-75.18mm)	99th Wettest	Wettest since: 1957	1993
Oct 1957–Aug 1958 11-Month	25.90" (657.86mm)	28.42" (721.87mm)	-2.52" (-64.01mm)	33rd Driest	Driest since: 1956	1934
Oct 1957–Aug 1958 11-Month	25.90" (657.86mm)	28.42" (721.87mm)	-2.52" (-64.01mm)	95th Wettest	Wettest since: 1957	1993
Sep 1957–Aug 1958 12-Month	28.60" (726.44mm)	32.12" (815.85mm)	-3.52" (-89.41mm)	31st Driest	Driest since: 1957	1934
Sep 1957–Aug 1958 12-Month	28.60" (726.44mm)	32.12" (815.85mm)	-3.52" (-89.41mm)	97th Wettest	Wettest since: 1954	1993
Mar 1957–Aug 1958 18-Month	50.09" (1,272.29mm)	53.43" (1,357.12mm)	-3.34" (-84.83mm)	37th Driest	Driest since: 1957	1911
Mar 1957–Aug 1958 18-Month	50.09" (1,272.29mm)	53.43" (1,357.12mm)	-3.34" (-84.83mm)	91st Wettest	Wettest since: 1955	1993
Sep 1956–Aug 1958 24-Month	56.48" (1,434.59mm)	64.28" (1,632.71mm)	-7.80" (-198.12mm)	13th Driest	Driest since: 1957	1934
Sep 1956–Aug 1958 24-Month	56.48" (1,434.59mm)	64.28" (1,632.71mm)	-7.80" (-198.12mm)	114th Wettest	Wettest since: 1954	1993
Sep 1955–Aug 1958 36-Month	80.53" (2,045.46mm)	96.39" (2,448.31mm)	-15.86" (-402.85mm)	3rd Driest	Driest since: 1957	1957
Sep 1955–Aug 1958 36-Month	80.53" (2,045.46mm)	96.39" (2,448.31mm)	-15.86" (-402.85mm)	123rd Wettest	Wettest since: 1955	2010
Sep 1954–Aug 1958 48-Month	105.55" (2,680.97mm)	128.37" (3,260.60mm)	-22.82" (-579.63mm)	2nd Driest	Driest since: 1936	1936
Sep 1954–Aug 1958 48-Month	105.55" (2,680.97mm)	128.37" (3,260.60mm)	-22.82" (-579.63mm)	123rd Wettest	Wettest since: 1957	2010
Sep 1953–Aug 1958 60-Month	136.49" (3,466.85mm)	160.37" (4,073.40mm)	-23.88" (-606.55mm)	2nd Driest	Driest since: 1957	1957
Sep 1953–Aug 1958 60-Month	136.49" (3,466.85mm)	160.37" (4,073.40mm)	-23.88" (-606.55mm)	122nd Wettest	Wettest since: 1956	2011

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