Divisional 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, Climate Division 9. Southeast

Precipitation Rankings, May 1908

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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
May 1908 1-Month	9.76" (247.90mm)	4.04" (102.62mm)	5.72" (145.28mm)	126th Driest	Driest since: 1907	1992
May 1908 1-Month	9.76" (247.90mm)	4.04" (102.62mm)	5.72" (145.28mm)	3rd Wettest	Wettest to Date	1996
Apr–May 1908 2-Month	11.84" (300.74mm)	7.38" (187.45mm)	4.46" (113.29mm)	122nd Driest	Driest since: 1907	1956
Apr–May 1908 2-Month	11.84" (300.74mm)	7.38" (187.45mm)	4.46" (113.29mm)	7th Wettest	Wettest to Date	2013
Mar–May 1908 3-Month	13.86" (352.04mm)	9.74" (247.40mm)	4.12" (104.64mm)	117th Driest	Driest since: 1907	1956
Mar–May 1908 3-Month	13.86" (352.04mm)	9.74" (247.40mm)	4.12" (104.64mm)	12th Wettest	Wettest to Date	1973
Feb–May 1908 4-Month	15.87" (403.10mm)	10.97" (278.64mm)	4.90" (124.46mm)	118th Driest	Driest since: 1907	1956
Feb–May 1908 4-Month	15.87" (403.10mm)	10.97" (278.64mm)	4.90" (124.46mm)	11th Wettest	Wettest to Date	1973
Jan–May 1908 5-Month	16.43" (417.32mm)	12.29" (312.17mm)	4.14" (105.15mm)	113th Driest	Driest since: 1907	1956
Jan–May 1908 5-Month	16.43" (417.32mm)	12.29" (312.17mm)	4.14" (105.15mm)	16th Wettest	Wettest to Date	1973
Dec 1907–May 1908 6-Month	17.30" (439.42mm)	13.78" (350.01mm)	3.52" (89.41mm)	108th Driest	Driest since: 1907	1956
Dec 1907–May 1908 6-Month	17.30" (439.42mm)	13.78" (350.01mm)	3.52" (89.41mm)	20th Wettest	Wettest since: 1898	1973
Nov 1907–May 1908 7-Month	18.30" (464.82mm)	15.90" (403.86mm)	2.40" (60.96mm)	88th Driest	Driest since: 1907	1956
	18.30" (464.82mm)	15.90" (403.86mm)	2.40" (60.96mm)	40th Wettest	Wettest since: 1903	1973
	Ties: 1919
Oct 1907–May 1908 8-Month	19.40" (492.76mm)	18.53" (470.66mm)	0.87" (22.10mm)	76th Driest	Driest since: 1907	1956
Oct 1907–May 1908 8-Month	19.40" (492.76mm)	18.53" (470.66mm)	0.87" (22.10mm)	52nd Wettest	Wettest since: 1903	2019
Sep 1907–May 1908 9-Month	21.61" (548.89mm)	22.45" (570.23mm)	-0.84" (-21.34mm)	57th Driest	Driest since: 1906	1956
Sep 1907–May 1908 9-Month	21.61" (548.89mm)	22.45" (570.23mm)	-0.84" (-21.34mm)	71st Wettest	Wettest since: 1907	2019
Aug 1907–May 1908 10-Month	26.45" (671.83mm)	26.20" (665.48mm)	0.25" (6.35mm)	65th Driest	Driest since: 1907	1956
Aug 1907–May 1908 10-Month	26.45" (671.83mm)	26.20" (665.48mm)	0.25" (6.35mm)	63rd Wettest	Wettest since: 1904	2019
Jul 1907–May 1908 11-Month	34.14" (867.16mm)	30.18" (766.57mm)	3.96" (100.59mm)	96th Driest	Driest since: 1907	1956
Jul 1907–May 1908 11-Month	34.14" (867.16mm)	30.18" (766.57mm)	3.96" (100.59mm)	32nd Wettest	Wettest since: 1903	2019
Jun 1907–May 1908 12-Month	39.28" (997.71mm)	34.73" (882.14mm)	4.55" (115.57mm)	94th Driest	Driest since: 1907	1956
Jun 1907–May 1908 12-Month	39.28" (997.71mm)	34.73" (882.14mm)	4.55" (115.57mm)	34th Wettest	Wettest since: 1903	1903
Dec 1906–May 1908 18-Month	54.32" (1,379.73mm)	48.55" (1,233.17mm)	5.77" (146.56mm)	99th Driest	Driest since: 1907	1902
Dec 1906–May 1908 18-Month	54.32" (1,379.73mm)	48.55" (1,233.17mm)	5.77" (146.56mm)	28th Wettest	Wettest since: 1903	1974
Jun 1906–May 1908 24-Month	70.23" (1,783.84mm)	69.46" (1,764.28mm)	0.77" (19.56mm)	71st Driest	Driest since: 1907	1957
Jun 1906–May 1908 24-Month	70.23" (1,783.84mm)	69.46" (1,764.28mm)	0.77" (19.56mm)	56th Wettest	Wettest since: 1904	2011
Jun 1905–May 1908 36-Month	106.79" (2,712.47mm)	104.12" (2,644.65mm)	2.67" (67.82mm)	73rd Driest	Driest since: 1907	1958
Jun 1905–May 1908 36-Month	106.79" (2,712.47mm)	104.12" (2,644.65mm)	2.67" (67.82mm)	53rd Wettest	Wettest since: 1905	2011
Jun 1904–May 1908 48-Month	138.36" (3,514.34mm)	138.68" (3,522.47mm)	-0.32" (-8.13mm)	59th Driest	Driest since: 1907	1957
	138.36" (3,514.34mm)	138.68" (3,522.47mm)	-0.32" (-8.13mm)	66th Wettest	Wettest since: 1906	2011
	Ties: 1910
Jun 1903–May 1908 60-Month	171.95" (4,367.53mm)	173.32" (4,402.33mm)	-1.37" (-34.80mm)	56th Driest	Driest since: 1905	1958
Jun 1903–May 1908 60-Month	171.95" (4,367.53mm)	173.32" (4,402.33mm)	-1.37" (-34.80mm)	68th Wettest	Wettest since: 1907	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published May 2023, retrieved on June 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings