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, August 1949

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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
August 1949 1-Month	2.29" (58.17mm)	3.84" (97.54mm)	-1.55" (-39.37mm)	15th Driest	Driest since: 1947	1984
August 1949 1-Month	2.29" (58.17mm)	3.84" (97.54mm)	-1.55" (-39.37mm)	114th Wettest	Wettest since: 1948	2007
Jul–Aug 1949 2-Month	5.85" (148.59mm)	7.70" (195.58mm)	-1.85" (-46.99mm)	29th Driest	Driest since: 1947	1947
Jul–Aug 1949 2-Month	5.85" (148.59mm)	7.70" (195.58mm)	-1.85" (-46.99mm)	100th Wettest	Wettest since: 1948	1993
Jun–Aug 1949 3-Month	11.40" (289.56mm)	12.33" (313.18mm)	-0.93" (-23.62mm)	49th Driest	Driest since: 1948	1927
Jun–Aug 1949 3-Month	11.40" (289.56mm)	12.33" (313.18mm)	-0.93" (-23.62mm)	80th Wettest	Wettest since: 1947	1993
May–Aug 1949 4-Month	14.07" (357.38mm)	16.38" (416.05mm)	-2.31" (-58.67mm)	30th Driest	Driest since: 1948	1936
May–Aug 1949 4-Month	14.07" (357.38mm)	16.38" (416.05mm)	-2.31" (-58.67mm)	99th Wettest	Wettest since: 1947	1993
Apr–Aug 1949 5-Month	15.38" (390.65mm)	19.32" (490.73mm)	-3.94" (-100.08mm)	17th Driest	Driest since: 1936	1936
Apr–Aug 1949 5-Month	15.38" (390.65mm)	19.32" (490.73mm)	-3.94" (-100.08mm)	112th Wettest	Wettest since: 1948	1993
Mar–Aug 1949 6-Month	17.86" (453.64mm)	21.28" (540.51mm)	-3.42" (-86.87mm)	22nd Driest	Driest since: 1941	1936
Mar–Aug 1949 6-Month	17.86" (453.64mm)	21.28" (540.51mm)	-3.42" (-86.87mm)	107th Wettest	Wettest since: 1948	1993
Feb–Aug 1949 7-Month	18.75" (476.25mm)	22.29" (566.17mm)	-3.54" (-89.92mm)	22nd Driest	Driest since: 1941	1988
Feb–Aug 1949 7-Month	18.75" (476.25mm)	22.29" (566.17mm)	-3.54" (-89.92mm)	107th Wettest	Wettest since: 1948	1993
Jan–Aug 1949 8-Month	21.45" (544.83mm)	23.27" (591.06mm)	-1.82" (-46.23mm)	39th Driest	Driest since: 1948	1988
Jan–Aug 1949 8-Month	21.45" (544.83mm)	23.27" (591.06mm)	-1.82" (-46.23mm)	90th Wettest	Wettest since: 1947	1993
Dec 1948–Aug 1949 9-Month	23.13" (587.50mm)	24.37" (619.00mm)	-1.24" (-31.50mm)	49th Driest	Driest since: 1948	1988
Dec 1948–Aug 1949 9-Month	23.13" (587.50mm)	24.37" (619.00mm)	-1.24" (-31.50mm)	79th Wettest	Wettest since: 1947	1993
Nov 1948–Aug 1949 10-Month	25.85" (656.59mm)	26.11" (663.19mm)	-0.26" (-6.60mm)	61st Driest	Driest since: 1948	1934
Nov 1948–Aug 1949 10-Month	25.85" (656.59mm)	26.11" (663.19mm)	-0.26" (-6.60mm)	67th Wettest	Wettest since: 1947	1993
Oct 1948–Aug 1949 11-Month	27.77" (705.36mm)	28.42" (721.87mm)	-0.65" (-16.51mm)	59th Driest	Driest since: 1948	1934
Oct 1948–Aug 1949 11-Month	27.77" (705.36mm)	28.42" (721.87mm)	-0.65" (-16.51mm)	69th Wettest	Wettest since: 1947	1993
Sep 1948–Aug 1949 12-Month	29.80" (756.92mm)	32.12" (815.85mm)	-2.32" (-58.93mm)	38th Driest	Driest since: 1948	1934
	29.80" (756.92mm)	32.12" (815.85mm)	-2.32" (-58.93mm)	90th Wettest	Wettest since: 1947	1993
	Ties: 2006
Mar 1948–Aug 1949 18-Month	47.72" (1,212.09mm)	53.43" (1,357.12mm)	-5.71" (-145.03mm)	20th Driest	Driest since: 1940	1911
Mar 1948–Aug 1949 18-Month	47.72" (1,212.09mm)	53.43" (1,357.12mm)	-5.71" (-145.03mm)	108th Wettest	Wettest since: 1948	1993
Sep 1947–Aug 1949 24-Month	59.14" (1,502.16mm)	64.28" (1,632.71mm)	-5.14" (-130.55mm)	26th Driest	Driest since: 1941	1934
Sep 1947–Aug 1949 24-Month	59.14" (1,502.16mm)	64.28" (1,632.71mm)	-5.14" (-130.55mm)	101st Wettest	Wettest since: 1948	1993
Sep 1946–Aug 1949 36-Month	95.09" (2,415.29mm)	96.39" (2,448.31mm)	-1.30" (-33.02mm)	51st Driest	Driest since: 1942	1957
Sep 1946–Aug 1949 36-Month	95.09" (2,415.29mm)	96.39" (2,448.31mm)	-1.30" (-33.02mm)	75th Wettest	Wettest since: 1948	2010
Sep 1945–Aug 1949 48-Month	127.06" (3,227.32mm)	128.37" (3,260.60mm)	-1.31" (-33.28mm)	50th Driest	Driest since: 1942	1936
Sep 1945–Aug 1949 48-Month	127.06" (3,227.32mm)	128.37" (3,260.60mm)	-1.31" (-33.28mm)	75th Wettest	Wettest since: 1948	2010
Sep 1944–Aug 1949 60-Month	159.65" (4,055.11mm)	160.37" (4,073.40mm)	-0.72" (-18.29mm)	55th Driest	Driest since: 1943	1957
Sep 1944–Aug 1949 60-Month	159.65" (4,055.11mm)	160.37" (4,073.40mm)	-0.72" (-18.29mm)	69th Wettest	Wettest since: 1948	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 22, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings