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, September 1950

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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
September 1950 1-Month	1.43" (36.32mm)	3.91" (99.31mm)	-2.48" (-62.99mm)	13th Driest	Driest since: 1940	1940
September 1950 1-Month	1.43" (36.32mm)	3.91" (99.31mm)	-2.48" (-62.99mm)	116th Wettest	Wettest since: 1949	1926
Aug–Sep 1950 2-Month	3.61" (91.69mm)	7.63" (193.80mm)	-4.02" (-102.11mm)	7th Driest	Driest since: 1901	2013
Aug–Sep 1950 2-Month	3.61" (91.69mm)	7.63" (193.80mm)	-4.02" (-102.11mm)	122nd Wettest	Wettest since: 1949	1970
Jul–Sep 1950 3-Month	6.56" (166.62mm)	11.62" (295.15mm)	-5.06" (-128.53mm)	9th Driest	Driest since: 1930	1953
Jul–Sep 1950 3-Month	6.56" (166.62mm)	11.62" (295.15mm)	-5.06" (-128.53mm)	120th Wettest	Wettest since: 1949	1993
Jun–Sep 1950 4-Month	13.25" (336.55mm)	16.22" (411.99mm)	-2.97" (-75.44mm)	36th Driest	Driest since: 1940	2013
Jun–Sep 1950 4-Month	13.25" (336.55mm)	16.22" (411.99mm)	-2.97" (-75.44mm)	93rd Wettest	Wettest since: 1949	1993
May–Sep 1950 5-Month	16.45" (417.83mm)	20.27" (514.86mm)	-3.82" (-97.03mm)	32nd Driest	Driest since: 1940	1901
May–Sep 1950 5-Month	16.45" (417.83mm)	20.27" (514.86mm)	-3.82" (-97.03mm)	97th Wettest	Wettest since: 1949	2010
Apr–Sep 1950 6-Month	21.01" (533.65mm)	23.61" (599.69mm)	-2.60" (-66.04mm)	42nd Driest	Driest since: 1949	1901
Apr–Sep 1950 6-Month	21.01" (533.65mm)	23.61" (599.69mm)	-2.60" (-66.04mm)	87th Wettest	Wettest since: 1947	2010
Mar–Sep 1950 7-Month	21.59" (548.39mm)	25.96" (659.38mm)	-4.37" (-110.99mm)	31st Driest	Driest since: 1942	1988
Mar–Sep 1950 7-Month	21.59" (548.39mm)	25.96" (659.38mm)	-4.37" (-110.99mm)	98th Wettest	Wettest since: 1949	2010
Feb–Sep 1950 8-Month	23.57" (598.68mm)	27.19" (690.63mm)	-3.62" (-91.95mm)	37th Driest	Driest since: 1942	1988
Feb–Sep 1950 8-Month	23.57" (598.68mm)	27.19" (690.63mm)	-3.62" (-91.95mm)	92nd Wettest	Wettest since: 1949	2010
Jan–Sep 1950 9-Month	26.20" (665.48mm)	28.51" (724.15mm)	-2.31" (-58.67mm)	44th Driest	Driest since: 1948	1988
	26.20" (665.48mm)	28.51" (724.15mm)	-2.31" (-58.67mm)	85th Wettest	Wettest since: 1949	2010
	Ties: 1979
Dec 1949–Sep 1950 10-Month	28.40" (721.36mm)	30.01" (762.25mm)	-1.61" (-40.89mm)	49th Driest	Driest since: 1948	1901
Dec 1949–Sep 1950 10-Month	28.40" (721.36mm)	30.01" (762.25mm)	-1.61" (-40.89mm)	79th Wettest	Wettest since: 1949	2010
Nov 1949–Sep 1950 11-Month	29.12" (739.65mm)	32.12" (815.85mm)	-3.00" (-76.20mm)	38th Driest	Driest since: 1942	1956
Nov 1949–Sep 1950 11-Month	29.12" (739.65mm)	32.12" (815.85mm)	-3.00" (-76.20mm)	90th Wettest	Wettest since: 1949	1993
Oct 1949–Sep 1950 12-Month	30.92" (785.37mm)	34.75" (882.65mm)	-3.83" (-97.28mm)	35th Driest	Driest since: 1940	1956
Oct 1949–Sep 1950 12-Month	30.92" (785.37mm)	34.75" (882.65mm)	-3.83" (-97.28mm)	93rd Wettest	Wettest since: 1949	2010
Apr 1949–Sep 1950 18-Month	51.03" (1,296.16mm)	58.34" (1,481.84mm)	-7.31" (-185.68mm)	20th Driest	Driest since: 1941	1956
Apr 1949–Sep 1950 18-Month	51.03" (1,296.16mm)	58.34" (1,481.84mm)	-7.31" (-185.68mm)	108th Wettest	Wettest since: 1949	2010
Oct 1948–Sep 1950 24-Month	65.33" (1,659.38mm)	69.52" (1,765.81mm)	-4.19" (-106.43mm)	40th Driest	Driest since: 1941	1957
Oct 1948–Sep 1950 24-Month	65.33" (1,659.38mm)	69.52" (1,765.81mm)	-4.19" (-106.43mm)	87th Wettest	Wettest since: 1949	2010
Oct 1947–Sep 1950 36-Month	97.72" (2,482.09mm)	104.20" (2,646.68mm)	-6.48" (-164.59mm)	29th Driest	Driest since: 1942	1989
Oct 1947–Sep 1950 36-Month	97.72" (2,482.09mm)	104.20" (2,646.68mm)	-6.48" (-164.59mm)	97th Wettest	Wettest since: 1949	2010
Oct 1946–Sep 1950 48-Month	135.06" (3,430.52mm)	138.79" (3,525.27mm)	-3.73" (-94.75mm)	43rd Driest	Driest since: 1943	1956
Oct 1946–Sep 1950 48-Month	135.06" (3,430.52mm)	138.79" (3,525.27mm)	-3.73" (-94.75mm)	82nd Wettest	Wettest since: 1949	2010
Oct 1945–Sep 1950 60-Month	173.70" (4,411.98mm)	173.35" (4,403.09mm)	0.35" (8.89mm)	59th Driest	Driest since: 1944	1957
Oct 1945–Sep 1950 60-Month	173.70" (4,411.98mm)	173.35" (4,403.09mm)	0.35" (8.89mm)	65th Wettest	Wettest since: 1949	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published May 2023, retrieved on June 7, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings