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, April 1973

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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
April 1973 1-Month	7.73" (196.34mm)	3.34" (84.84mm)	4.39" (111.50mm)	128th Driest	Driest since: 1972	2018
April 1973 1-Month	7.73" (196.34mm)	3.34" (84.84mm)	4.39" (111.50mm)	1st Wettest	Wettest to Date	1973
Mar–Apr 1973 2-Month	12.36" (313.94mm)	5.70" (144.78mm)	6.66" (169.16mm)	128th Driest	Driest since: 1972	1915
Mar–Apr 1973 2-Month	12.36" (313.94mm)	5.70" (144.78mm)	6.66" (169.16mm)	1st Wettest	Wettest to Date	1973
Feb–Apr 1973 3-Month	13.61" (345.69mm)	6.92" (175.77mm)	6.69" (169.92mm)	128th Driest	Driest since: 1972	1958
Feb–Apr 1973 3-Month	13.61" (345.69mm)	6.92" (175.77mm)	6.69" (169.92mm)	1st Wettest	Wettest to Date	1973
Jan–Apr 1973 4-Month	16.12" (409.45mm)	8.25" (209.55mm)	7.87" (199.90mm)	128th Driest	Driest since: 1972	1956
Jan–Apr 1973 4-Month	16.12" (409.45mm)	8.25" (209.55mm)	7.87" (199.90mm)	1st Wettest	Wettest to Date	1973
Dec 1972–Apr 1973 5-Month	17.72" (450.09mm)	9.74" (247.40mm)	7.98" (202.69mm)	127th Driest	Driest since: 1972	1956
Dec 1972–Apr 1973 5-Month	17.72" (450.09mm)	9.74" (247.40mm)	7.98" (202.69mm)	1st Wettest	Wettest to Date	1973
Nov 1972–Apr 1973 6-Month	20.41" (518.41mm)	11.86" (301.24mm)	8.55" (217.17mm)	127th Driest	Driest since: 1972	1956
Nov 1972–Apr 1973 6-Month	20.41" (518.41mm)	11.86" (301.24mm)	8.55" (217.17mm)	1st Wettest	Wettest to Date	1973
Oct 1972–Apr 1973 7-Month	22.70" (576.58mm)	14.49" (368.05mm)	8.21" (208.53mm)	126th Driest	Driest since: 1972	1956
Oct 1972–Apr 1973 7-Month	22.70" (576.58mm)	14.49" (368.05mm)	8.21" (208.53mm)	2nd Wettest	Wettest since: 1929	1929
Sep 1972–Apr 1973 8-Month	26.34" (669.04mm)	18.41" (467.61mm)	7.93" (201.43mm)	123rd Driest	Driest since: 1972	1956
Sep 1972–Apr 1973 8-Month	26.34" (669.04mm)	18.41" (467.61mm)	7.93" (201.43mm)	5th Wettest	Wettest since: 1929	1927
Aug 1972–Apr 1973 9-Month	30.23" (767.84mm)	22.15" (562.61mm)	8.08" (205.23mm)	121st Driest	Driest since: 1972	1956
Aug 1972–Apr 1973 9-Month	30.23" (767.84mm)	22.15" (562.61mm)	8.08" (205.23mm)	7th Wettest	Wettest since: 1971	2019
Jul 1972–Apr 1973 10-Month	34.22" (869.19mm)	26.13" (663.70mm)	8.09" (205.49mm)	117th Driest	Driest since: 1972	1902
Jul 1972–Apr 1973 10-Month	34.22" (869.19mm)	26.13" (663.70mm)	8.09" (205.49mm)	11th Wettest	Wettest since: 1962	1993
Jun 1972–Apr 1973 11-Month	38.70" (982.98mm)	30.68" (779.27mm)	8.02" (203.71mm)	114th Driest	Driest since: 1972	1902
Jun 1972–Apr 1973 11-Month	38.70" (982.98mm)	30.68" (779.27mm)	8.02" (203.71mm)	14th Wettest	Wettest since: 1929	1903
May 1972–Apr 1973 12-Month	42.62" (1,082.55mm)	34.74" (882.40mm)	7.88" (200.15mm)	111th Driest	Driest since: 1972	1902
May 1972–Apr 1973 12-Month	42.62" (1,082.55mm)	34.74" (882.40mm)	7.88" (200.15mm)	17th Wettest	Wettest since: 1960	2011
Nov 1971–Apr 1973 18-Month	57.36" (1,456.94mm)	46.62" (1,184.15mm)	10.74" (272.79mm)	115th Driest	Driest since: 1972	1902
Nov 1971–Apr 1973 18-Month	57.36" (1,456.94mm)	46.62" (1,184.15mm)	10.74" (272.79mm)	12th Wettest	Wettest since: 1929	2011
May 1971–Apr 1973 24-Month	75.42" (1,915.67mm)	69.50" (1,765.30mm)	5.92" (150.37mm)	91st Driest	Driest since: 1972	1957
May 1971–Apr 1973 24-Month	75.42" (1,915.67mm)	69.50" (1,765.30mm)	5.92" (150.37mm)	36th Wettest	Wettest since: 1971	2011
May 1970–Apr 1973 36-Month	117.23" (2,977.64mm)	104.16" (2,645.66mm)	13.07" (331.98mm)	107th Driest	Driest since: 1972	1958
May 1970–Apr 1973 36-Month	117.23" (2,977.64mm)	104.16" (2,645.66mm)	13.07" (331.98mm)	19th Wettest	Wettest since: 1929	2011
May 1969–Apr 1973 48-Month	153.57" (3,900.68mm)	138.69" (3,522.73mm)	14.88" (377.95mm)	103rd Driest	Driest since: 1972	1957
May 1969–Apr 1973 48-Month	153.57" (3,900.68mm)	138.69" (3,522.73mm)	14.88" (377.95mm)	22nd Wettest	Wettest since: 1962	2011
May 1968–Apr 1973 60-Month	185.07" (4,700.78mm)	173.27" (4,401.06mm)	11.80" (299.72mm)	88th Driest	Driest since: 1972	1958
May 1968–Apr 1973 60-Month	185.07" (4,700.78mm)	173.27" (4,401.06mm)	11.80" (299.72mm)	36th Wettest	Wettest since: 1963	2012

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published November 2022, retrieved on November 30, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings