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 1902

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
May 1902 1-Month	3.37" (85.60mm)	4.04" (102.62mm)	-0.67" (-17.02mm)	47th Driest	Driest since: 1901	1992
	3.37" (85.60mm)	4.04" (102.62mm)	-0.67" (-17.02mm)	82nd Wettest	Wettest since: 1900	1996
	Ties: 1941
Apr–May 1902 2-Month	6.40" (162.56mm)	7.38" (187.45mm)	-0.98" (-24.89mm)	47th Driest	Driest since: 1901	1956
	6.40" (162.56mm)	7.38" (187.45mm)	-0.98" (-24.89mm)	82nd Wettest	Wettest since: 1900	2013
	Ties: 1979
Mar–May 1902 3-Month	8.05" (204.47mm)	9.74" (247.40mm)	-1.69" (-42.93mm)	36th Driest	Driest since: 1901	1956
Mar–May 1902 3-Month	8.05" (204.47mm)	9.74" (247.40mm)	-1.69" (-42.93mm)	93rd Wettest	Wettest since: 1900	1973
Feb–May 1902 4-Month	8.94" (227.08mm)	10.97" (278.64mm)	-2.03" (-51.56mm)	29th Driest	Driest since: 1901	1956
Feb–May 1902 4-Month	8.94" (227.08mm)	10.97" (278.64mm)	-2.03" (-51.56mm)	100th Wettest	Wettest since: 1900	1973
Jan–May 1902 5-Month	9.48" (240.79mm)	12.29" (312.17mm)	-2.81" (-71.38mm)	23rd Driest	Driest since: 1901	1956
	9.48" (240.79mm)	12.29" (312.17mm)	-2.81" (-71.38mm)	106th Wettest	Wettest since: 1900	1973
	Ties: 1992
Dec 1901–May 1902 6-Month	11.00" (279.40mm)	13.78" (350.01mm)	-2.78" (-70.61mm)	27th Driest	Driest since: 1901	1956
Dec 1901–May 1902 6-Month	11.00" (279.40mm)	13.78" (350.01mm)	-2.78" (-70.61mm)	101st Wettest	Wettest since: 1900	1973
Nov 1901–May 1902 7-Month	11.82" (300.23mm)	15.90" (403.86mm)	-4.08" (-103.63mm)	19th Driest	Driest since: 1901	1956
Nov 1901–May 1902 7-Month	11.82" (300.23mm)	15.90" (403.86mm)	-4.08" (-103.63mm)	109th Wettest	Wettest since: 1900	1973
Oct 1901–May 1902 8-Month	13.13" (333.50mm)	18.53" (470.66mm)	-5.40" (-137.16mm)	7th Driest	Driest since: 1902	1956
Oct 1901–May 1902 8-Month	13.13" (333.50mm)	18.53" (470.66mm)	-5.40" (-137.16mm)	121st Wettest	Wettest since: 1901	2019
Sep 1901–May 1902 9-Month	15.52" (394.21mm)	22.45" (570.23mm)	-6.93" (-176.02mm)	5th Driest	Driest since: 1902	1956
Sep 1901–May 1902 9-Month	15.52" (394.21mm)	22.45" (570.23mm)	-6.93" (-176.02mm)	123rd Wettest	Wettest since: 1901	2019
Aug 1901–May 1902 10-Month	16.00" (406.40mm)	26.20" (665.48mm)	-10.20" (-259.08mm)	3rd Driest	Driest since: 1902	1956
Aug 1901–May 1902 10-Month	16.00" (406.40mm)	26.20" (665.48mm)	-10.20" (-259.08mm)	125th Wettest	Wettest since: 1901	2019
Jul 1901–May 1902 11-Month	17.96" (456.18mm)	30.18" (766.57mm)	-12.22" (-310.39mm)	3rd Driest	Driest since: 1902	1956
Jul 1901–May 1902 11-Month	17.96" (456.18mm)	30.18" (766.57mm)	-12.22" (-310.39mm)	125th Wettest	Wettest since: 1901	2019
Jun 1901–May 1902 12-Month	20.85" (529.59mm)	34.73" (882.14mm)	-13.88" (-352.55mm)	2nd Driest	Driest since: 1902	1956
Jun 1901–May 1902 12-Month	20.85" (529.59mm)	34.73" (882.14mm)	-13.88" (-352.55mm)	126th Wettest	Wettest since: 1901	1903
Dec 1900–May 1902 18-Month	29.99" (761.75mm)	48.55" (1,233.17mm)	-18.56" (-471.42mm)	1st Driest	Driest since: 1902	1902
Dec 1900–May 1902 18-Month	29.99" (761.75mm)	48.55" (1,233.17mm)	-18.56" (-471.42mm)	126th Wettest	Wettest since: 1901	1974
Jun 1900–May 1902 24-Month	50.90" (1,292.86mm)	69.46" (1,764.28mm)	-18.56" (-471.42mm)	3rd Driest	Driest since: 1902	1957
Jun 1900–May 1902 24-Month	50.90" (1,292.86mm)	69.46" (1,764.28mm)	-18.56" (-471.42mm)	124th Wettest	Wettest since: 1901	2011
Jun 1899–May 1902 36-Month	78.28" (1,988.31mm)	104.12" (2,644.65mm)	-25.84" (-656.34mm)	3rd Driest	Driest since: 1902	1958
Jun 1899–May 1902 36-Month	78.28" (1,988.31mm)	104.12" (2,644.65mm)	-25.84" (-656.34mm)	123rd Wettest	Wettest since: 1901	2011
Jun 1898–May 1902 48-Month	113.53" (2,883.66mm)	138.68" (3,522.47mm)	-25.15" (-638.81mm)	5th Driest	Driest since: 1902	1957
Jun 1898–May 1902 48-Month	113.53" (2,883.66mm)	138.68" (3,522.47mm)	-25.15" (-638.81mm)	120th Wettest	Wettest since: 1901	2011
Jun 1897–May 1902 60-Month	144.78" (3,677.41mm)	173.32" (4,402.33mm)	-28.54" (-724.92mm)	4th Driest	Driest since: 1902	1958
Jun 1897–May 1902 60-Month	144.78" (3,677.41mm)	173.32" (4,402.33mm)	-28.54" (-724.92mm)	120th Wettest	Wettest since: 1901	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published November 2022, retrieved on December 6, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings