Statewide 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

Precipitation Rankings, November 1990

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
November 1990 1-Month	1.65" (41.91mm)	1.75" (44.45mm)	-0.10" (-2.54mm)	69th Driest	Driest since: 1989	1976
	1.65" (41.91mm)	1.75" (44.45mm)	-0.10" (-2.54mm)	60th Wettest	Wettest since: 1988	1931
	Ties: 1977
Oct–Nov 1990 2-Month	3.53" (89.66mm)	4.04" (102.62mm)	-0.51" (-12.96mm)	50th Driest	Driest since: 1989	1910
Oct–Nov 1990 2-Month	3.53" (89.66mm)	4.04" (102.62mm)	-0.51" (-12.96mm)	79th Wettest	Wettest since: 1986	1931
Sep–Nov 1990 3-Month	4.92" (124.97mm)	7.71" (195.83mm)	-2.79" (-70.86mm)	20th Driest	Driest since: 1976	1953
Sep–Nov 1990 3-Month	4.92" (124.97mm)	7.71" (195.83mm)	-2.79" (-70.86mm)	109th Wettest	Wettest since: 1989	1931
Aug–Nov 1990 4-Month	9.24" (234.70mm)	11.55" (293.37mm)	-2.31" (-58.67mm)	32nd Driest	Driest since: 1976	1976
Aug–Nov 1990 4-Month	9.24" (234.70mm)	11.55" (293.37mm)	-2.31" (-58.67mm)	97th Wettest	Wettest since: 1989	2018
Jul–Nov 1990 5-Month	15.61" (396.49mm)	15.41" (391.41mm)	0.20" (5.08mm)	72nd Driest	Driest since: 1989	1976
	15.61" (396.49mm)	15.41" (391.41mm)	0.20" (5.08mm)	57th Wettest	Wettest since: 1987	1993
	Ties: 1942
Jun–Nov 1990 6-Month	23.57" (598.68mm)	20.04" (509.02mm)	3.53" (89.66mm)	102nd Driest	Driest since: 1989	1976
Jun–Nov 1990 6-Month	23.57" (598.68mm)	20.04" (509.02mm)	3.53" (89.66mm)	27th Wettest	Wettest since: 1986	1993
May–Nov 1990 7-Month	29.30" (744.22mm)	24.09" (611.89mm)	5.21" (132.33mm)	115th Driest	Driest since: 1989	1976
May–Nov 1990 7-Month	29.30" (744.22mm)	24.09" (611.89mm)	5.21" (132.33mm)	14th Wettest	Wettest since: 1986	1993
Apr–Nov 1990 8-Month	31.56" (801.62mm)	27.03" (686.56mm)	4.53" (115.06mm)	106th Driest	Driest since: 1989	1910
Apr–Nov 1990 8-Month	31.56" (801.62mm)	27.03" (686.56mm)	4.53" (115.06mm)	23rd Wettest	Wettest since: 1986	1993
Mar–Nov 1990 9-Month	35.86" (910.84mm)	28.99" (736.35mm)	6.87" (174.49mm)	115th Driest	Driest since: 1989	1910
	35.86" (910.84mm)	28.99" (736.35mm)	6.87" (174.49mm)	14th Wettest	Wettest since: 1986	1993
	Ties: 1982
Feb–Nov 1990 10-Month	36.53" (927.86mm)	30.00" (762.00mm)	6.53" (165.86mm)	113th Driest	Driest since: 1989	1910
Feb–Nov 1990 10-Month	36.53" (927.86mm)	30.00" (762.00mm)	6.53" (165.86mm)	16th Wettest	Wettest since: 1986	1993
Jan–Nov 1990 11-Month	37.41" (950.21mm)	30.98" (786.89mm)	6.43" (163.32mm)	111th Driest	Driest since: 1989	1910
Jan–Nov 1990 11-Month	37.41" (950.21mm)	30.98" (786.89mm)	6.43" (163.32mm)	18th Wettest	Wettest since: 1986	1993
Dec 1989–Nov 1990 12-Month	37.77" (959.36mm)	32.08" (814.83mm)	5.69" (144.53mm)	107th Driest	Driest since: 1989	1910
Dec 1989–Nov 1990 12-Month	37.77" (959.36mm)	32.08" (814.83mm)	5.69" (144.53mm)	21st Wettest	Wettest since: 1986	1993
Jun 1989–Nov 1990 18-Month	55.08" (1,399.03mm)	52.18" (1,325.37mm)	2.90" (73.66mm)	81st Driest	Driest since: 1989	1956
Jun 1989–Nov 1990 18-Month	55.08" (1,399.03mm)	52.18" (1,325.37mm)	2.90" (73.66mm)	47th Wettest	Wettest since: 1987	2019
Dec 1988–Nov 1990 24-Month	62.90" (1,597.66mm)	64.24" (1,631.70mm)	-1.34" (-34.04mm)	58th Driest	Driest since: 1989	1956
Dec 1988–Nov 1990 24-Month	62.90" (1,597.66mm)	64.24" (1,631.70mm)	-1.34" (-34.04mm)	69th Wettest	Wettest since: 1987	2019
Dec 1987–Nov 1990 36-Month	85.38" (2,168.65mm)	96.35" (2,447.29mm)	-10.97" (-278.64mm)	11th Driest	Driest since: 1989	1957
Dec 1987–Nov 1990 36-Month	85.38" (2,168.65mm)	96.35" (2,447.29mm)	-10.97" (-278.64mm)	115th Wettest	Wettest since: 1988	2010
Dec 1986–Nov 1990 48-Month	117.24" (2,977.90mm)	128.38" (3,260.85mm)	-11.14" (-282.95mm)	11th Driest	Driest since: 1958	1958
Dec 1986–Nov 1990 48-Month	117.24" (2,977.90mm)	128.38" (3,260.85mm)	-11.14" (-282.95mm)	114th Wettest	Wettest since: 1989	2010
Dec 1985–Nov 1990 60-Month	157.60" (4,003.04mm)	160.36" (4,073.14mm)	-2.76" (-70.10mm)	45th Driest	Driest since: 1989	1956
Dec 1985–Nov 1990 60-Month	157.60" (4,003.04mm)	160.36" (4,073.14mm)	-2.76" (-70.10mm)	79th Wettest	Wettest since: 1988	2010

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 20, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings