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 1941

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
July 1941 1-Month	2.21" (56.13mm)	3.86" (98.04mm)	-1.65" (-41.91mm)	14th Driest	Driest since: 1936	1936
July 1941 1-Month	2.21" (56.13mm)	3.86" (98.04mm)	-1.65" (-41.91mm)	115th Wettest	Wettest since: 1940	1993
Jun–Jul 1941 2-Month	8.35" (212.09mm)	8.49" (215.65mm)	-0.14" (-3.56mm)	69th Driest	Driest since: 1940	1936
Jun–Jul 1941 2-Month	8.35" (212.09mm)	8.49" (215.65mm)	-0.14" (-3.56mm)	60th Wettest	Wettest since: 1938	1993
May–Jul 1941 3-Month	11.51" (292.35mm)	12.53" (318.26mm)	-1.02" (-25.91mm)	47th Driest	Driest since: 1940	1988
May–Jul 1941 3-Month	11.51" (292.35mm)	12.53" (318.26mm)	-1.02" (-25.91mm)	82nd Wettest	Wettest since: 1938	1993
Apr–Jul 1941 4-Month	14.03" (356.36mm)	15.48" (393.19mm)	-1.45" (-36.83mm)	45th Driest	Driest since: 1940	1936
Apr–Jul 1941 4-Month	14.03" (356.36mm)	15.48" (393.19mm)	-1.45" (-36.83mm)	84th Wettest	Wettest since: 1938	1993
Mar–Jul 1941 5-Month	15.05" (382.27mm)	17.43" (442.72mm)	-2.38" (-60.45mm)	25th Driest	Driest since: 1939	1936
	15.05" (382.27mm)	17.43" (442.72mm)	-2.38" (-60.45mm)	104th Wettest	Wettest since: 1940	1993
	Ties: 1937
Feb–Jul 1941 6-Month	15.54" (394.72mm)	18.45" (468.63mm)	-2.91" (-73.91mm)	22nd Driest	Driest since: 1936	1988
Feb–Jul 1941 6-Month	15.54" (394.72mm)	18.45" (468.63mm)	-2.91" (-73.91mm)	107th Wettest	Wettest since: 1940	1993
Jan–Jul 1941 7-Month	17.23" (437.64mm)	19.43" (493.52mm)	-2.20" (-55.88mm)	30th Driest	Driest since: 1940	1988
	17.23" (437.64mm)	19.43" (493.52mm)	-2.20" (-55.88mm)	99th Wettest	Wettest since: 1938	1993
	Ties: 1914
Dec 1940–Jul 1941 8-Month	18.59" (472.19mm)	20.53" (521.46mm)	-1.94" (-49.27mm)	36th Driest	Driest since: 1940	1988
Dec 1940–Jul 1941 8-Month	18.59" (472.19mm)	20.53" (521.46mm)	-1.94" (-49.27mm)	92nd Wettest	Wettest since: 1938	1993
Nov 1940–Jul 1941 9-Month	21.10" (535.94mm)	22.27" (565.66mm)	-1.17" (-29.72mm)	51st Driest	Driest since: 1940	1934
Nov 1940–Jul 1941 9-Month	21.10" (535.94mm)	22.27" (565.66mm)	-1.17" (-29.72mm)	77th Wettest	Wettest since: 1938	1993
Oct 1940–Jul 1941 10-Month	23.42" (594.87mm)	24.58" (624.33mm)	-1.16" (-29.46mm)	52nd Driest	Driest since: 1940	1934
Oct 1940–Jul 1941 10-Month	23.42" (594.87mm)	24.58" (624.33mm)	-1.16" (-29.46mm)	76th Wettest	Wettest since: 1938	1993
Sep 1940–Jul 1941 11-Month	24.29" (616.97mm)	28.28" (718.31mm)	-3.99" (-101.34mm)	26th Driest	Driest since: 1940	1988
Sep 1940–Jul 1941 11-Month	24.29" (616.97mm)	28.28" (718.31mm)	-3.99" (-101.34mm)	102nd Wettest	Wettest since: 1939	1993
Aug 1940–Jul 1941 12-Month	30.71" (780.03mm)	32.14" (816.36mm)	-1.43" (-36.33mm)	49th Driest	Driest since: 1940	1956
Aug 1940–Jul 1941 12-Month	30.71" (780.03mm)	32.14" (816.36mm)	-1.43" (-36.33mm)	79th Wettest	Wettest since: 1938	2008
Feb 1940–Jul 1941 18-Month	46.93" (1,192.02mm)	50.60" (1,285.24mm)	-3.67" (-93.22mm)	33rd Driest	Driest since: 1940	1911
Feb 1940–Jul 1941 18-Month	46.93" (1,192.02mm)	50.60" (1,285.24mm)	-3.67" (-93.22mm)	95th Wettest	Wettest since: 1939	2008
Aug 1939–Jul 1941 24-Month	55.82" (1,417.83mm)	64.31" (1,633.47mm)	-8.49" (-215.64mm)	12th Driest	Driest since: 1940	1934
Aug 1939–Jul 1941 24-Month	55.82" (1,417.83mm)	64.31" (1,633.47mm)	-8.49" (-215.64mm)	115th Wettest	Wettest since: 1939	2008
Aug 1938–Jul 1941 36-Month	85.93" (2,182.62mm)	96.40" (2,448.56mm)	-10.47" (-265.94mm)	11th Driest	Driest since: 1936	1956
Aug 1938–Jul 1941 36-Month	85.93" (2,182.62mm)	96.40" (2,448.56mm)	-10.47" (-265.94mm)	115th Wettest	Wettest since: 1940	2010
Aug 1937–Jul 1941 48-Month	117.75" (2,990.85mm)	128.38" (3,260.85mm)	-10.63" (-270.00mm)	13th Driest	Driest since: 1937	1957
Aug 1937–Jul 1941 48-Month	117.75" (2,990.85mm)	128.38" (3,260.85mm)	-10.63" (-270.00mm)	112th Wettest	Wettest since: 1940	2010
Aug 1936–Jul 1941 60-Month	150.31" (3,817.87mm)	160.37" (4,073.40mm)	-10.06" (-255.53mm)	18th Driest	Driest since: 1940	1957
Aug 1936–Jul 1941 60-Month	150.31" (3,817.87mm)	160.37" (4,073.40mm)	-10.06" (-255.53mm)	106th Wettest	Wettest since: 1939	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 6, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings