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 1912

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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 1912 1-Month	3.05" (77.47mm)	2.62" (66.55mm)	0.43" (10.92mm)	111th Driest	Driest since: 1910	1929
	3.05" (77.47mm)	2.62" (66.55mm)	0.43" (10.92mm)	18th Wettest	Wettest since: 1911	1977
	Ties: 2008
Jul–Aug 1912 2-Month	6.04" (153.42mm)	5.40" (137.16mm)	0.64" (16.26mm)	112th Driest	Driest since: 1911	1930
Jul–Aug 1912 2-Month	6.04" (153.42mm)	5.40" (137.16mm)	0.64" (16.26mm)	17th Wettest	Wettest since: 1906	1915
Jun–Aug 1912 3-Month	8.75" (222.25mm)	8.32" (211.33mm)	0.43" (10.92mm)	87th Driest	Driest since: 1911	1930
Jun–Aug 1912 3-Month	8.75" (222.25mm)	8.32" (211.33mm)	0.43" (10.92mm)	42nd Wettest	Wettest since: 1908	1928
May–Aug 1912 4-Month	11.64" (295.66mm)	11.23" (285.24mm)	0.41" (10.42mm)	77th Driest	Driest since: 1911	1936
May–Aug 1912 4-Month	11.64" (295.66mm)	11.23" (285.24mm)	0.41" (10.42mm)	52nd Wettest	Wettest since: 1909	1915
Apr–Aug 1912 5-Month	14.98" (380.49mm)	13.75" (349.25mm)	1.23" (31.24mm)	107th Driest	Driest since: 1911	1934
	14.98" (380.49mm)	13.75" (349.25mm)	1.23" (31.24mm)	22nd Wettest	Wettest since: 1908	2019
	Ties: 1945
Mar–Aug 1912 6-Month	18.37" (466.60mm)	16.26" (413.00mm)	2.11" (53.60mm)	118th Driest	Driest since: 1911	1936
Mar–Aug 1912 6-Month	18.37" (466.60mm)	16.26" (413.00mm)	2.11" (53.60mm)	11th Wettest	Wettest since: 1905	1905
Feb–Aug 1912 7-Month	20.27" (514.86mm)	18.40" (467.36mm)	1.87" (47.50mm)	114th Driest	Driest since: 1911	1934
	20.27" (514.86mm)	18.40" (467.36mm)	1.87" (47.50mm)	15th Wettest	Wettest since: 1908	2019
	Ties: 1944
Jan–Aug 1912 8-Month	22.22" (564.39mm)	20.71" (526.03mm)	1.51" (38.36mm)	107th Driest	Driest since: 1911	1934
Jan–Aug 1912 8-Month	22.22" (564.39mm)	20.71" (526.03mm)	1.51" (38.36mm)	22nd Wettest	Wettest since: 1908	2019
Dec 1911–Aug 1912 9-Month	25.17" (639.32mm)	23.05" (585.47mm)	2.12" (53.85mm)	112th Driest	Driest since: 1911	1931
Dec 1911–Aug 1912 9-Month	25.17" (639.32mm)	23.05" (585.47mm)	2.12" (53.85mm)	16th Wettest	Wettest since: 1908	2019
Nov 1911–Aug 1912 10-Month	27.28" (692.91mm)	25.28" (642.11mm)	2.00" (50.80mm)	106th Driest	Driest since: 1911	1934
Nov 1911–Aug 1912 10-Month	27.28" (692.91mm)	25.28" (642.11mm)	2.00" (50.80mm)	22nd Wettest	Wettest since: 1908	2019
Oct 1911–Aug 1912 11-Month	29.77" (756.16mm)	27.45" (697.23mm)	2.32" (58.93mm)	107th Driest	Driest since: 1911	1934
Oct 1911–Aug 1912 11-Month	29.77" (756.16mm)	27.45" (697.23mm)	2.32" (58.93mm)	21st Wettest	Wettest since: 1903	2019
Sep 1911–Aug 1912 12-Month	32.52" (826.01mm)	29.94" (760.48mm)	2.58" (65.53mm)	109th Driest	Driest since: 1911	1934
	32.52" (826.01mm)	29.94" (760.48mm)	2.58" (65.53mm)	19th Wettest	Wettest since: 1903	2019
	Ties: 1979
Mar 1911–Aug 1912 18-Month	47.17" (1,198.12mm)	46.22" (1,173.99mm)	0.95" (24.13mm)	78th Driest	Driest since: 1911	1931
Mar 1911–Aug 1912 18-Month	47.17" (1,198.12mm)	46.22" (1,173.99mm)	0.95" (24.13mm)	50th Wettest	Wettest since: 1908	2019
Sep 1910–Aug 1912 24-Month	59.40" (1,508.76mm)	59.92" (1,521.97mm)	-0.52" (-13.21mm)	53rd Driest	Driest since: 1911	1918
Sep 1910–Aug 1912 24-Month	59.40" (1,508.76mm)	59.92" (1,521.97mm)	-0.52" (-13.21mm)	74th Wettest	Wettest since: 1909	2020
Sep 1909–Aug 1912 36-Month	86.02" (2,184.91mm)	89.86" (2,282.44mm)	-3.84" (-97.53mm)	20th Driest	Driest since: 1911	1956
Sep 1909–Aug 1912 36-Month	86.02" (2,184.91mm)	89.86" (2,282.44mm)	-3.84" (-97.53mm)	106th Wettest	Wettest since: 1910	2019
Sep 1908–Aug 1912 48-Month	115.10" (2,923.54mm)	119.77" (3,042.16mm)	-4.67" (-118.62mm)	22nd Driest	Driest since: 1911	1956
Sep 1908–Aug 1912 48-Month	115.10" (2,923.54mm)	119.77" (3,042.16mm)	-4.67" (-118.62mm)	103rd Wettest	Wettest since: 1910	2019
Sep 1907–Aug 1912 60-Month	147.12" (3,736.85mm)	149.64" (3,800.86mm)	-2.52" (-64.01mm)	38th Driest	Driest since: 1911	1934
Sep 1907–Aug 1912 60-Month	147.12" (3,736.85mm)	149.64" (3,800.86mm)	-2.52" (-64.01mm)	86th Wettest	Wettest since: 1910	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published May 2023, retrieved on May 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings