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, December 1948

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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 1948 1-Month	1.68" (42.67mm)	1.11" (28.19mm)	0.57" (14.48mm)	104th Driest	Driest since: 1947	2002
	1.68" (42.67mm)	1.11" (28.19mm)	0.57" (14.48mm)	25th Wettest	Wettest since: 1945	2015
	Ties: 1965
Nov–Dec 1948 2-Month	4.40" (111.76mm)	2.87" (72.90mm)	1.53" (38.86mm)	115th Driest	Driest since: 1947	1976
Nov–Dec 1948 2-Month	4.40" (111.76mm)	2.87" (72.90mm)	1.53" (38.86mm)	14th Wettest	Wettest since: 1934	2015
Oct–Dec 1948 3-Month	6.32" (160.53mm)	5.16" (131.06mm)	1.16" (29.47mm)	94th Driest	Driest since: 1946	1910
Oct–Dec 1948 3-Month	6.32" (160.53mm)	5.16" (131.06mm)	1.16" (29.47mm)	35th Wettest	Wettest since: 1947	1931
Sep–Dec 1948 4-Month	8.35" (212.09mm)	8.83" (224.28mm)	-0.48" (-12.19mm)	60th Driest	Driest since: 1945	1939, 1976
Sep–Dec 1948 4-Month	8.35" (212.09mm)	8.83" (224.28mm)	-0.48" (-12.19mm)	69th Wettest	Wettest since: 1947	1931
Aug–Dec 1948 5-Month	10.97" (278.64mm)	12.67" (321.82mm)	-1.70" (-43.18mm)	42nd Driest	Driest since: 1947	1976
	10.97" (278.64mm)	12.67" (321.82mm)	-1.70" (-43.18mm)	87th Wettest	Wettest since: 1946	2018
	Ties: 1989
Jul–Dec 1948 6-Month	15.26" (387.60mm)	16.52" (419.61mm)	-1.26" (-32.01mm)	50th Driest	Driest since: 1947	1976
Jul–Dec 1948 6-Month	15.26" (387.60mm)	16.52" (419.61mm)	-1.26" (-32.01mm)	79th Wettest	Wettest since: 1946	2018
Jun–Dec 1948 7-Month	18.79" (477.27mm)	21.15" (537.21mm)	-2.36" (-59.94mm)	43rd Driest	Driest since: 1945	1976
Jun–Dec 1948 7-Month	18.79" (477.27mm)	21.15" (537.21mm)	-2.36" (-59.94mm)	86th Wettest	Wettest since: 1947	2018
May–Dec 1948 8-Month	21.10" (535.94mm)	25.20" (640.08mm)	-4.10" (-104.14mm)	23rd Driest	Driest since: 1939	1976
May–Dec 1948 8-Month	21.10" (535.94mm)	25.20" (640.08mm)	-4.10" (-104.14mm)	106th Wettest	Wettest since: 1947	1993
Apr–Dec 1948 9-Month	23.76" (603.50mm)	28.15" (715.01mm)	-4.39" (-111.51mm)	21st Driest	Driest since: 1939	1910
Apr–Dec 1948 9-Month	23.76" (603.50mm)	28.15" (715.01mm)	-4.39" (-111.51mm)	108th Wettest	Wettest since: 1947	1993
Mar–Dec 1948 10-Month	26.27" (667.26mm)	30.10" (764.54mm)	-3.83" (-97.28mm)	27th Driest	Driest since: 1939	1910
	26.27" (667.26mm)	30.10" (764.54mm)	-3.83" (-97.28mm)	102nd Wettest	Wettest since: 1947	1993
	Ties: 2022
Feb–Dec 1948 11-Month	28.14" (714.76mm)	31.12" (790.45mm)	-2.98" (-75.69mm)	32nd Driest	Driest since: 1939	1910
Feb–Dec 1948 11-Month	28.14" (714.76mm)	31.12" (790.45mm)	-2.98" (-75.69mm)	97th Wettest	Wettest since: 1947	1993
Jan–Dec 1948 12-Month	28.52" (724.41mm)	32.09" (815.09mm)	-3.57" (-90.68mm)	29th Driest	Driest since: 1939	1910
Jan–Dec 1948 12-Month	28.52" (724.41mm)	32.09" (815.09mm)	-3.57" (-90.68mm)	100th Wettest	Wettest since: 1947	1993
Jul 1947–Dec 1948 18-Month	40.84" (1,037.34mm)	48.69" (1,236.73mm)	-7.85" (-199.39mm)	12th Driest	Driest since: 1934	1956
Jul 1947–Dec 1948 18-Month	40.84" (1,037.34mm)	48.69" (1,236.73mm)	-7.85" (-199.39mm)	116th Wettest	Wettest since: 1947	1993
Jan 1947–Dec 1948 24-Month	62.96" (1,599.18mm)	64.24" (1,631.70mm)	-1.28" (-32.52mm)	53rd Driest	Driest since: 1940	1989
Jan 1947–Dec 1948 24-Month	62.96" (1,599.18mm)	64.24" (1,631.70mm)	-1.28" (-32.52mm)	75th Wettest	Wettest since: 1947	2019
Jan 1946–Dec 1948 36-Month	97.82" (2,484.63mm)	96.36" (2,447.54mm)	1.46" (37.09mm)	70th Driest	Driest since: 1941	1957
Jan 1946–Dec 1948 36-Month	97.82" (2,484.63mm)	96.36" (2,447.54mm)	1.46" (37.09mm)	57th Wettest	Wettest since: 1947	2010
Jan 1945–Dec 1948 48-Month	132.03" (3,353.56mm)	128.37" (3,260.60mm)	3.66" (92.96mm)	81st Driest	Driest since: 1943	1958
Jan 1945–Dec 1948 48-Month	132.03" (3,353.56mm)	128.37" (3,260.60mm)	3.66" (92.96mm)	45th Wettest	Wettest since: 1947	2010
Jan 1944–Dec 1948 60-Month	168.69" (4,284.73mm)	160.36" (4,073.14mm)	8.33" (211.59mm)	89th Driest	Driest since: 1944	1956
Jan 1944–Dec 1948 60-Month	168.69" (4,284.73mm)	160.36" (4,073.14mm)	8.33" (211.59mm)	36th Wettest	Wettest since: 1947	2010

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on June 8, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings