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 1976

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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 1976 1-Month	1.48" (37.59mm)	3.84" (97.54mm)	-2.36" (-59.95mm)	6th Driest	Driest since: 1971	1984
August 1976 1-Month	1.48" (37.59mm)	3.84" (97.54mm)	-2.36" (-59.95mm)	123rd Wettest	Wettest since: 1975	2007
Jul–Aug 1976 2-Month	4.03" (102.36mm)	7.70" (195.58mm)	-3.67" (-93.22mm)	5th Driest	Driest since: 1947	1947
Jul–Aug 1976 2-Month	4.03" (102.36mm)	7.70" (195.58mm)	-3.67" (-93.22mm)	124th Wettest	Wettest since: 1975	1993
Jun–Aug 1976 3-Month	7.28" (184.91mm)	12.33" (313.18mm)	-5.05" (-128.27mm)	4th Driest	Driest since: 1936	1927
Jun–Aug 1976 3-Month	7.28" (184.91mm)	12.33" (313.18mm)	-5.05" (-128.27mm)	125th Wettest	Wettest since: 1975	1993
May–Aug 1976 4-Month	10.48" (266.19mm)	16.38" (416.05mm)	-5.90" (-149.86mm)	5th Driest	Driest since: 1936	1936
May–Aug 1976 4-Month	10.48" (266.19mm)	16.38" (416.05mm)	-5.90" (-149.86mm)	124th Wettest	Wettest since: 1975	1993
Apr–Aug 1976 5-Month	15.07" (382.78mm)	19.32" (490.73mm)	-4.25" (-107.95mm)	14th Driest	Driest since: 1971	1936
Apr–Aug 1976 5-Month	15.07" (382.78mm)	19.32" (490.73mm)	-4.25" (-107.95mm)	115th Wettest	Wettest since: 1975	1993
Mar–Aug 1976 6-Month	18.48" (469.39mm)	21.28" (540.51mm)	-2.80" (-71.12mm)	33rd Driest	Driest since: 1971	1936
Mar–Aug 1976 6-Month	18.48" (469.39mm)	21.28" (540.51mm)	-2.80" (-71.12mm)	96th Wettest	Wettest since: 1975	1993
Feb–Aug 1976 7-Month	19.96" (506.98mm)	22.29" (566.17mm)	-2.33" (-59.19mm)	34th Driest	Driest since: 1971	1988
Feb–Aug 1976 7-Month	19.96" (506.98mm)	22.29" (566.17mm)	-2.33" (-59.19mm)	95th Wettest	Wettest since: 1975	1993
Jan–Aug 1976 8-Month	20.19" (512.83mm)	23.27" (591.06mm)	-3.08" (-78.23mm)	28th Driest	Driest since: 1971	1988
Jan–Aug 1976 8-Month	20.19" (512.83mm)	23.27" (591.06mm)	-3.08" (-78.23mm)	101st Wettest	Wettest since: 1975	1993
Dec 1975–Aug 1976 9-Month	20.95" (532.13mm)	24.37" (619.00mm)	-3.42" (-86.87mm)	23rd Driest	Driest since: 1971	1988
Dec 1975–Aug 1976 9-Month	20.95" (532.13mm)	24.37" (619.00mm)	-3.42" (-86.87mm)	105th Wettest	Wettest since: 1975	1993
Nov 1975–Aug 1976 10-Month	24.42" (620.27mm)	26.11" (663.19mm)	-1.69" (-42.92mm)	42nd Driest	Driest since: 1971	1934
Nov 1975–Aug 1976 10-Month	24.42" (620.27mm)	26.11" (663.19mm)	-1.69" (-42.92mm)	86th Wettest	Wettest since: 1975	1993
Oct 1975–Aug 1976 11-Month	24.73" (628.14mm)	28.42" (721.87mm)	-3.69" (-93.73mm)	23rd Driest	Driest since: 1956	1934
Oct 1975–Aug 1976 11-Month	24.73" (628.14mm)	28.42" (721.87mm)	-3.69" (-93.73mm)	105th Wettest	Wettest since: 1975	1993
Sep 1975–Aug 1976 12-Month	26.87" (682.50mm)	32.12" (815.85mm)	-5.25" (-133.35mm)	18th Driest	Driest since: 1956	1934
Sep 1975–Aug 1976 12-Month	26.87" (682.50mm)	32.12" (815.85mm)	-5.25" (-133.35mm)	110th Wettest	Wettest since: 1975	1993
Mar 1975–Aug 1976 18-Month	47.59" (1,208.79mm)	53.43" (1,357.12mm)	-5.84" (-148.33mm)	18th Driest	Driest since: 1967	1911
Mar 1975–Aug 1976 18-Month	47.59" (1,208.79mm)	53.43" (1,357.12mm)	-5.84" (-148.33mm)	110th Wettest	Wettest since: 1975	1993
Sep 1974–Aug 1976 24-Month	57.28" (1,454.91mm)	64.28" (1,632.71mm)	-7.00" (-177.80mm)	16th Driest	Driest since: 1968	1934
Sep 1974–Aug 1976 24-Month	57.28" (1,454.91mm)	64.28" (1,632.71mm)	-7.00" (-177.80mm)	111th Wettest	Wettest since: 1975	1993
Sep 1973–Aug 1976 36-Month	96.01" (2,438.65mm)	96.39" (2,448.31mm)	-0.38" (-9.66mm)	59th Driest	Driest since: 1972	1957
Sep 1973–Aug 1976 36-Month	96.01" (2,438.65mm)	96.39" (2,448.31mm)	-0.38" (-9.66mm)	67th Wettest	Wettest since: 1975	2010
Sep 1972–Aug 1976 48-Month	137.88" (3,502.15mm)	128.37" (3,260.60mm)	9.51" (241.55mm)	96th Driest	Driest since: 1973	1936
Sep 1972–Aug 1976 48-Month	137.88" (3,502.15mm)	128.37" (3,260.60mm)	9.51" (241.55mm)	29th Wettest	Wettest since: 1975	2010
Sep 1971–Aug 1976 60-Month	173.19" (4,399.03mm)	160.37" (4,073.40mm)	12.82" (325.63mm)	97th Driest	Driest since: 1972	1957
Sep 1971–Aug 1976 60-Month	173.19" (4,399.03mm)	160.37" (4,073.40mm)	12.82" (325.63mm)	27th Wettest	Wettest since: 1975	2011

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published November 2022, retrieved on December 6, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings