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, January 1948

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
January 1948 1-Month	0.38" (9.65mm)	0.98" (24.89mm)	-0.60" (-15.24mm)	14th Driest	Driest since: 1928	1981
January 1948 1-Month	0.38" (9.65mm)	0.98" (24.89mm)	-0.60" (-15.24mm)	116th Wettest	Wettest since: 1947	1949
Dec 1947–Jan 1948 2-Month	1.83" (46.48mm)	2.08" (52.83mm)	-0.25" (-6.35mm)	50th Driest	Driest since: 1944	2003
	1.83" (46.48mm)	2.08" (52.83mm)	-0.25" (-6.35mm)	79th Wettest	Wettest since: 1947	2016
	Ties: 1914, 1997
Nov 1947–Jan 1948 3-Month	3.71" (94.23mm)	3.82" (97.03mm)	-0.11" (-2.80mm)	62nd Driest	Driest since: 1945	2003
Nov 1947–Jan 1948 3-Month	3.71" (94.23mm)	3.82" (97.03mm)	-0.11" (-2.80mm)	67th Wettest	Wettest since: 1947	1932
Oct 1947–Jan 1948 4-Month	7.45" (189.23mm)	6.13" (155.70mm)	1.32" (33.53mm)	95th Driest	Driest since: 1947	1911
Oct 1947–Jan 1948 4-Month	7.45" (189.23mm)	6.13" (155.70mm)	1.32" (33.53mm)	34th Wettest	Wettest since: 1942	1932
Sep 1947–Jan 1948 5-Month	9.55" (242.57mm)	9.83" (249.68mm)	-0.28" (-7.11mm)	68th Driest	Driest since: 1945	1977
	9.55" (242.57mm)	9.83" (249.68mm)	-0.28" (-7.11mm)	61st Wettest	Wettest since: 1947	1932
	Ties: 1998
Aug 1947–Jan 1948 6-Month	11.05" (280.67mm)	13.69" (347.73mm)	-2.64" (-67.06mm)	29th Driest	Driest since: 1940	1977
Aug 1947–Jan 1948 6-Month	11.05" (280.67mm)	13.69" (347.73mm)	-2.64" (-67.06mm)	100th Wettest	Wettest since: 1947	2019
Jul 1947–Jan 1948 7-Month	12.70" (322.58mm)	17.57" (446.28mm)	-4.87" (-123.70mm)	13th Driest	Driest since: 1940	1977
Jul 1947–Jan 1948 7-Month	12.70" (322.58mm)	17.57" (446.28mm)	-4.87" (-123.70mm)	116th Wettest	Wettest since: 1947	2019
Jun 1947–Jan 1948 8-Month	22.60" (574.04mm)	22.18" (563.37mm)	0.42" (10.67mm)	73rd Driest	Driest since: 1946	1977
Jun 1947–Jan 1948 8-Month	22.60" (574.04mm)	22.18" (563.37mm)	0.42" (10.67mm)	56th Wettest	Wettest since: 1947	2019
May 1947–Jan 1948 9-Month	26.83" (681.48mm)	26.22" (665.99mm)	0.61" (15.49mm)	72nd Driest	Driest since: 1946	1977
May 1947–Jan 1948 9-Month	26.83" (681.48mm)	26.22" (665.99mm)	0.61" (15.49mm)	57th Wettest	Wettest since: 1947	1994
Apr 1947–Jan 1948 10-Month	31.74" (806.20mm)	29.17" (740.92mm)	2.57" (65.28mm)	87th Driest	Driest since: 1947	1911
Apr 1947–Jan 1948 10-Month	31.74" (806.20mm)	29.17" (740.92mm)	2.57" (65.28mm)	42nd Wettest	Wettest since: 1945	1994
Mar 1947–Jan 1948 11-Month	33.09" (840.49mm)	31.14" (790.96mm)	1.95" (49.53mm)	81st Driest	Driest since: 1944	1911
Mar 1947–Jan 1948 11-Month	33.09" (840.49mm)	31.14" (790.96mm)	1.95" (49.53mm)	48th Wettest	Wettest since: 1947	1994
Feb 1947–Jan 1948 12-Month	33.39" (848.11mm)	32.15" (816.61mm)	1.24" (31.50mm)	78th Driest	Driest since: 1944	1911
Feb 1947–Jan 1948 12-Month	33.39" (848.11mm)	32.15" (816.61mm)	1.24" (31.50mm)	51st Wettest	Wettest since: 1947	1994
Aug 1946–Jan 1948 18-Month	49.10" (1,247.14mm)	45.86" (1,164.84mm)	3.24" (82.30mm)	87th Driest	Driest since: 1947	1957
Aug 1946–Jan 1948 18-Month	49.10" (1,247.14mm)	45.86" (1,164.84mm)	3.24" (82.30mm)	41st Wettest	Wettest since: 1943	2020
Feb 1946–Jan 1948 24-Month	67.89" (1,724.41mm)	64.28" (1,632.71mm)	3.61" (91.70mm)	87th Driest	Driest since: 1945	1990
Feb 1946–Jan 1948 24-Month	67.89" (1,724.41mm)	64.28" (1,632.71mm)	3.61" (91.70mm)	41st Wettest	Wettest since: 1947	2020
Feb 1945–Jan 1948 36-Month	103.22" (2,621.79mm)	96.29" (2,445.77mm)	6.93" (176.02mm)	96th Driest	Driest since: 1946	1958
Feb 1945–Jan 1948 36-Month	103.22" (2,621.79mm)	96.29" (2,445.77mm)	6.93" (176.02mm)	31st Wettest	Wettest since: 1947	2011
Feb 1944–Jan 1948 48-Month	139.48" (3,542.79mm)	128.27" (3,258.06mm)	11.21" (284.73mm)	98th Driest	Driest since: 1947	1959
Feb 1944–Jan 1948 48-Month	139.48" (3,542.79mm)	128.27" (3,258.06mm)	11.21" (284.73mm)	28th Wettest	Wettest since: 1906	2011
Feb 1943–Jan 1948 60-Month	170.87" (4,340.10mm)	160.30" (4,071.62mm)	10.57" (268.48mm)	94th Driest	Driest since: 1947	1957
Feb 1943–Jan 1948 60-Month	170.87" (4,340.10mm)	160.30" (4,071.62mm)	10.57" (268.48mm)	31st Wettest	Wettest since: 1910	2011

Citing This Page

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