National Rankings

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Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Contiguous U.S.

Precipitation Rankings, August 1956

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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 1956 1-Month	2.21" (56.13mm)	2.62" (66.55mm)	-0.41" (-10.42mm)	13th Driest	Driest since: 1943	1929
	2.21" (56.13mm)	2.62" (66.55mm)	-0.41" (-10.42mm)	116th Wettest	Wettest since: 1955	1977
	Ties: 1924, 1936
Jul–Aug 1956 2-Month	4.99" (126.75mm)	5.40" (137.16mm)	-0.41" (-10.41mm)	25th Driest	Driest since: 1954	1930
Jul–Aug 1956 2-Month	4.99" (126.75mm)	5.40" (137.16mm)	-0.41" (-10.41mm)	104th Wettest	Wettest since: 1955	1915
Jun–Aug 1956 3-Month	7.20" (182.88mm)	8.32" (211.33mm)	-1.12" (-28.45mm)	10th Driest	Driest since: 1954	1930
Jun–Aug 1956 3-Month	7.20" (182.88mm)	8.32" (211.33mm)	-1.12" (-28.45mm)	119th Wettest	Wettest since: 1955	1928
May–Aug 1956 4-Month	9.80" (248.92mm)	11.23" (285.24mm)	-1.43" (-36.32mm)	11th Driest	Driest since: 1954	1936
May–Aug 1956 4-Month	9.80" (248.92mm)	11.23" (285.24mm)	-1.43" (-36.32mm)	118th Wettest	Wettest since: 1955	1915
Apr–Aug 1956 5-Month	11.87" (301.50mm)	13.75" (349.25mm)	-1.88" (-47.75mm)	7th Driest	Driest since: 1936	1934
Apr–Aug 1956 5-Month	11.87" (301.50mm)	13.75" (349.25mm)	-1.88" (-47.75mm)	122nd Wettest	Wettest since: 1955	2019
Mar–Aug 1956 6-Month	13.69" (347.73mm)	16.26" (413.00mm)	-2.57" (-65.27mm)	7th Driest	Driest since: 1936	1936
Mar–Aug 1956 6-Month	13.69" (347.73mm)	16.26" (413.00mm)	-2.57" (-65.27mm)	122nd Wettest	Wettest since: 1955	1905
Feb–Aug 1956 7-Month	16.31" (414.27mm)	18.40" (467.36mm)	-2.09" (-53.09mm)	11th Driest	Driest since: 1954	1934
Feb–Aug 1956 7-Month	16.31" (414.27mm)	18.40" (467.36mm)	-2.09" (-53.09mm)	118th Wettest	Wettest since: 1955	2019
Jan–Aug 1956 8-Month	18.58" (471.93mm)	20.71" (526.03mm)	-2.13" (-54.10mm)	13th Driest	Driest since: 1954	1934
Jan–Aug 1956 8-Month	18.58" (471.93mm)	20.71" (526.03mm)	-2.13" (-54.10mm)	116th Wettest	Wettest since: 1955	2019
Dec 1955–Aug 1956 9-Month	20.82" (528.83mm)	23.05" (585.47mm)	-2.23" (-56.64mm)	13th Driest	Driest since: 1954	1931
Dec 1955–Aug 1956 9-Month	20.82" (528.83mm)	23.05" (585.47mm)	-2.23" (-56.64mm)	115th Wettest	Wettest since: 1955	2019
Nov 1955–Aug 1956 10-Month	22.74" (577.60mm)	25.28" (642.11mm)	-2.54" (-64.51mm)	13th Driest	Driest since: 1954	1934
Nov 1955–Aug 1956 10-Month	22.74" (577.60mm)	25.28" (642.11mm)	-2.54" (-64.51mm)	115th Wettest	Wettest since: 1955	2019
Oct 1955–Aug 1956 11-Month	24.78" (629.41mm)	27.45" (697.23mm)	-2.67" (-67.82mm)	15th Driest	Driest since: 1954	1934
Oct 1955–Aug 1956 11-Month	24.78" (629.41mm)	27.45" (697.23mm)	-2.67" (-67.82mm)	113th Wettest	Wettest since: 1955	2019
Sep 1955–Aug 1956 12-Month	26.89" (683.01mm)	29.94" (760.48mm)	-3.05" (-77.47mm)	12th Driest	Driest since: 1954	1934
Sep 1955–Aug 1956 12-Month	26.89" (683.01mm)	29.94" (760.48mm)	-3.05" (-77.47mm)	116th Wettest	Wettest since: 1955	2019
Mar 1955–Aug 1956 18-Month	42.41" (1,077.21mm)	46.22" (1,173.99mm)	-3.81" (-96.78mm)	12th Driest	Driest since: 1955	1931
Mar 1955–Aug 1956 18-Month	42.41" (1,077.21mm)	46.22" (1,173.99mm)	-3.81" (-96.78mm)	116th Wettest	Wettest since: 1953	2019
Sep 1954–Aug 1956 24-Month	54.16" (1,375.66mm)	59.92" (1,521.97mm)	-5.76" (-146.31mm)	8th Driest	Driest since: 1955	1918
Sep 1954–Aug 1956 24-Month	54.16" (1,375.66mm)	59.92" (1,521.97mm)	-5.76" (-146.31mm)	119th Wettest	Wettest since: 1953	2020
Sep 1953–Aug 1956 36-Month	79.77" (2,026.16mm)	89.86" (2,282.44mm)	-10.09" (-256.28mm)	1st Driest	Driest to Date	1956
Sep 1953–Aug 1956 36-Month	79.77" (2,026.16mm)	89.86" (2,282.44mm)	-10.09" (-256.28mm)	125th Wettest	Wettest since: 1955	2019
Sep 1952–Aug 1956 48-Month	107.45" (2,729.23mm)	119.77" (3,042.16mm)	-12.32" (-312.93mm)	1st Driest	Driest to Date	1956
Sep 1952–Aug 1956 48-Month	107.45" (2,729.23mm)	119.77" (3,042.16mm)	-12.32" (-312.93mm)	124th Wettest	Wettest since: 1955	2019
Sep 1951–Aug 1956 60-Month	137.54" (3,493.52mm)	149.64" (3,800.86mm)	-12.10" (-307.34mm)	3rd Driest	Driest since: 1934	1934
Sep 1951–Aug 1956 60-Month	137.54" (3,493.52mm)	149.64" (3,800.86mm)	-12.10" (-307.34mm)	121st Wettest	Wettest since: 1955	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published May 2023, retrieved on June 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings