Divisional Rankings

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Month:

State:

Division:

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, December 1917

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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
December 1917 1-Month	0.63" (16.00mm)	1.51" (38.35mm)	-0.88" (-22.35mm)	20th Driest	Driest since: 1910	1976
December 1917 1-Month	0.63" (16.00mm)	1.51" (38.35mm)	-0.88" (-22.35mm)	109th Wettest	Wettest since: 1916	2015
Nov–Dec 1917 2-Month	0.74" (18.80mm)	3.62" (91.95mm)	-2.88" (-73.15mm)	4th Driest	Driest to Date	1976
Nov–Dec 1917 2-Month	0.74" (18.80mm)	3.62" (91.95mm)	-2.88" (-73.15mm)	125th Wettest	Wettest since: 1916	2015
Oct–Dec 1917 3-Month	2.49" (63.25mm)	6.23" (158.24mm)	-3.74" (-94.99mm)	3rd Driest	Driest since: 1910	1910
Oct–Dec 1917 3-Month	2.49" (63.25mm)	6.23" (158.24mm)	-3.74" (-94.99mm)	126th Wettest	Wettest since: 1916	1941
Sep–Dec 1917 4-Month	6.25" (158.75mm)	10.15" (257.81mm)	-3.90" (-99.06mm)	18th Driest	Driest since: 1910	1950
Sep–Dec 1917 4-Month	6.25" (158.75mm)	10.15" (257.81mm)	-3.90" (-99.06mm)	111th Wettest	Wettest since: 1916	1961
Aug–Dec 1917 5-Month	8.03" (203.96mm)	13.87" (352.30mm)	-5.84" (-148.34mm)	8th Driest	Driest since: 1910	1953
Aug–Dec 1917 5-Month	8.03" (203.96mm)	13.87" (352.30mm)	-5.84" (-148.34mm)	121st Wettest	Wettest since: 1916	1970
Jul–Dec 1917 6-Month	10.17" (258.32mm)	17.85" (453.39mm)	-7.68" (-195.07mm)	5th Driest	Driest since: 1901	1953
Jul–Dec 1917 6-Month	10.17" (258.32mm)	17.85" (453.39mm)	-7.68" (-195.07mm)	124th Wettest	Wettest since: 1916	1902
Jun–Dec 1917 7-Month	17.71" (449.83mm)	22.46" (570.48mm)	-4.75" (-120.65mm)	27th Driest	Driest since: 1913	1953
Jun–Dec 1917 7-Month	17.71" (449.83mm)	22.46" (570.48mm)	-4.75" (-120.65mm)	102nd Wettest	Wettest since: 1916	1902
May–Dec 1917 8-Month	21.95" (557.53mm)	26.50" (673.10mm)	-4.55" (-115.57mm)	31st Driest	Driest since: 1913	1953
May–Dec 1917 8-Month	21.95" (557.53mm)	26.50" (673.10mm)	-4.55" (-115.57mm)	98th Wettest	Wettest since: 1916	2010
Apr–Dec 1917 9-Month	26.92" (683.77mm)	29.84" (757.94mm)	-2.92" (-74.17mm)	46th Driest	Driest since: 1914	1953
Apr–Dec 1917 9-Month	26.92" (683.77mm)	29.84" (757.94mm)	-2.92" (-74.17mm)	83rd Wettest	Wettest since: 1916	2010
Mar–Dec 1917 10-Month	28.86" (733.04mm)	32.19" (817.63mm)	-3.33" (-84.59mm)	40th Driest	Driest since: 1914	1901
	28.86" (733.04mm)	32.19" (817.63mm)	-3.33" (-84.59mm)	89th Wettest	Wettest since: 1916	2010
	Ties: 1923
Feb–Dec 1917 11-Month	28.96" (735.58mm)	33.42" (848.87mm)	-4.46" (-113.29mm)	34th Driest	Driest since: 1914	1901
Feb–Dec 1917 11-Month	28.96" (735.58mm)	33.42" (848.87mm)	-4.46" (-113.29mm)	95th Wettest	Wettest since: 1916	2010
Jan–Dec 1917 12-Month	29.67" (753.62mm)	34.75" (882.65mm)	-5.08" (-129.03mm)	31st Driest	Driest since: 1914	1901
Jan–Dec 1917 12-Month	29.67" (753.62mm)	34.75" (882.65mm)	-5.08" (-129.03mm)	98th Wettest	Wettest since: 1916	2010
Jul 1916–Dec 1917 18-Month	44.65" (1,134.11mm)	52.63" (1,336.80mm)	-7.98" (-202.69mm)	21st Driest	Driest since: 1914	1956
Jul 1916–Dec 1917 18-Month	44.65" (1,134.11mm)	52.63" (1,336.80mm)	-7.98" (-202.69mm)	107th Wettest	Wettest since: 1916	2010
Jan 1916–Dec 1917 24-Month	66.20" (1,681.48mm)	69.50" (1,765.30mm)	-3.30" (-83.82mm)	44th Driest	Driest since: 1914	1989
Jan 1916–Dec 1917 24-Month	66.20" (1,681.48mm)	69.50" (1,765.30mm)	-3.30" (-83.82mm)	84th Wettest	Wettest since: 1916	2010
Jan 1915–Dec 1917 36-Month	107.07" (2,719.58mm)	104.23" (2,647.44mm)	2.84" (72.14mm)	78th Driest	Driest since: 1916	1989
Jan 1915–Dec 1917 36-Month	107.07" (2,719.58mm)	104.23" (2,647.44mm)	2.84" (72.14mm)	49th Wettest	Wettest since: 1909	2010
Jan 1914–Dec 1917 48-Month	135.29" (3,436.37mm)	138.86" (3,527.04mm)	-3.57" (-90.67mm)	47th Driest	Driest since: 1915	1956
Jan 1914–Dec 1917 48-Month	135.29" (3,436.37mm)	138.86" (3,527.04mm)	-3.57" (-90.67mm)	79th Wettest	Wettest since: 1916	2010
Jan 1913–Dec 1917 60-Month	165.27" (4,197.86mm)	173.41" (4,404.61mm)	-8.14" (-206.75mm)	31st Driest	Driest since: 1916	1956
Jan 1913–Dec 1917 60-Month	165.27" (4,197.86mm)	173.41" (4,404.61mm)	-8.14" (-206.75mm)	94th Wettest	Wettest since: 1911	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Rankings, published March 2023, retrieved on March 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/rankings