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, July 1911

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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
July 1911 1-Month	2.86" (72.64mm)	2.78" (70.61mm)	0.08" (2.03mm)	74th Driest	Driest since: 1910	1930
	2.86" (72.64mm)	2.78" (70.61mm)	0.08" (2.03mm)	55th Wettest	Wettest since: 1909	1950, 1958
	Ties: 1921, 1926, 1989, 1998, 2018
Jun–Jul 1911 2-Month	5.06" (128.52mm)	5.70" (144.78mm)	-0.64" (-16.26mm)	21st Driest	Driest since: 1901	1930
Jun–Jul 1911 2-Month	5.06" (128.52mm)	5.70" (144.78mm)	-0.64" (-16.26mm)	108th Wettest	Wettest since: 1910	1928
May–Jul 1911 3-Month	7.03" (178.56mm)	8.62" (218.95mm)	-1.59" (-40.39mm)	5th Driest	Driest to Date	1988
May–Jul 1911 3-Month	7.03" (178.56mm)	8.62" (218.95mm)	-1.59" (-40.39mm)	124th Wettest	Wettest since: 1910	2015
Apr–Jul 1911 4-Month	9.88" (250.95mm)	11.13" (282.70mm)	-1.25" (-31.75mm)	18th Driest	Driest since: 1910	1934
Apr–Jul 1911 4-Month	9.88" (250.95mm)	11.13" (282.70mm)	-1.25" (-31.75mm)	111th Wettest	Wettest since: 1909	2015
Mar–Jul 1911 5-Month	11.59" (294.39mm)	13.64" (346.46mm)	-2.05" (-52.07mm)	10th Driest	Driest since: 1910	1936
Mar–Jul 1911 5-Month	11.59" (294.39mm)	13.64" (346.46mm)	-2.05" (-52.07mm)	119th Wettest	Wettest since: 1909	1973
Feb–Jul 1911 6-Month	13.72" (348.49mm)	15.78" (400.81mm)	-2.06" (-52.32mm)	12th Driest	Driest since: 1910	1934
Feb–Jul 1911 6-Month	13.72" (348.49mm)	15.78" (400.81mm)	-2.06" (-52.32mm)	117th Wettest	Wettest since: 1909	2019
Jan–Jul 1911 7-Month	16.16" (410.46mm)	18.09" (459.49mm)	-1.93" (-49.03mm)	16th Driest	Driest since: 1910	1934
Jan–Jul 1911 7-Month	16.16" (410.46mm)	18.09" (459.49mm)	-1.93" (-49.03mm)	113th Wettest	Wettest since: 1909	2019
Dec 1910–Jul 1911 8-Month	17.85" (453.39mm)	20.44" (519.18mm)	-2.59" (-65.79mm)	11th Driest	Driest since: 1910	1931
	17.85" (453.39mm)	20.44" (519.18mm)	-2.59" (-65.79mm)	117th Wettest	Wettest since: 1909	2019
	Ties: 1966
Nov 1910–Jul 1911 9-Month	19.61" (498.09mm)	22.66" (575.56mm)	-3.05" (-77.47mm)	7th Driest	Driest to Date	1934
Nov 1910–Jul 1911 9-Month	19.61" (498.09mm)	22.66" (575.56mm)	-3.05" (-77.47mm)	121st Wettest	Wettest since: 1910	2019
Oct 1910–Jul 1911 10-Month	21.65" (549.91mm)	24.83" (630.68mm)	-3.18" (-80.77mm)	10th Driest	Driest to Date	1934
Oct 1910–Jul 1911 10-Month	21.65" (549.91mm)	24.83" (630.68mm)	-3.18" (-80.77mm)	118th Wettest	Wettest since: 1910	2019
Sep 1910–Jul 1911 11-Month	23.82" (605.03mm)	27.33" (694.18mm)	-3.51" (-89.15mm)	8th Driest	Driest to Date	1934
Sep 1910–Jul 1911 11-Month	23.82" (605.03mm)	27.33" (694.18mm)	-3.51" (-89.15mm)	120th Wettest	Wettest since: 1910	2019
Aug 1910–Jul 1911 12-Month	26.07" (662.18mm)	29.95" (760.73mm)	-3.88" (-98.55mm)	8th Driest	Driest to Date	1918
Aug 1910–Jul 1911 12-Month	26.07" (662.18mm)	29.95" (760.73mm)	-3.88" (-98.55mm)	120th Wettest	Wettest since: 1910	2019
Feb 1910–Jul 1911 18-Month	38.92" (988.57mm)	45.74" (1,161.80mm)	-6.82" (-173.23mm)	2nd Driest	Driest to Date	1931
Feb 1910–Jul 1911 18-Month	38.92" (988.57mm)	45.74" (1,161.80mm)	-6.82" (-173.23mm)	126th Wettest	Wettest since: 1910	2019
Aug 1909–Jul 1911 24-Month	52.85" (1,342.39mm)	59.92" (1,521.97mm)	-7.07" (-179.58mm)	4th Driest	Driest to Date	1918
Aug 1909–Jul 1911 24-Month	52.85" (1,342.39mm)	59.92" (1,521.97mm)	-7.07" (-179.58mm)	123rd Wettest	Wettest since: 1910	2020
Aug 1908–Jul 1911 36-Month	82.40" (2,092.96mm)	89.88" (2,282.95mm)	-7.48" (-189.99mm)	5th Driest	Driest to Date	1956
Aug 1908–Jul 1911 36-Month	82.40" (2,092.96mm)	89.88" (2,282.95mm)	-7.48" (-189.99mm)	121st Wettest	Wettest since: 1910	2019
Aug 1907–Jul 1911 48-Month	114.09" (2,897.89mm)	119.78" (3,042.41mm)	-5.69" (-144.52mm)	13th Driest	Driest to Date	1956
Aug 1907–Jul 1911 48-Month	114.09" (2,897.89mm)	119.78" (3,042.41mm)	-5.69" (-144.52mm)	112th Wettest	Wettest since: 1910	2019
Aug 1906–Jul 1911 60-Month	146.75" (3,727.45mm)	149.64" (3,800.86mm)	-2.89" (-73.41mm)	37th Driest	Driest since: 1902	1934
Aug 1906–Jul 1911 60-Month	146.75" (3,727.45mm)	149.64" (3,800.86mm)	-2.89" (-73.41mm)	87th Wettest	Wettest since: 1910	2019

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings