National Rankings

Parameter:

Year:

Month:

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, May 1917

View Period (Months):

All

Download: CSV JSON XML

Record Driest

Bottom ⅒

Bottom ⅓

Normal

Top ⅓

Top ⅒

Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
May 1917 1-Month	2.64" (67.06mm)	2.91" (73.91mm)	-0.27" (-6.85mm)	35th Driest	Driest since: 1914	1934
	2.64" (67.06mm)	2.91" (73.91mm)	-0.27" (-6.85mm)	94th Wettest	Wettest since: 1916	2019
	Ties: 2002
Apr–May 1917 2-Month	5.32" (135.13mm)	5.43" (137.92mm)	-0.11" (-2.79mm)	60th Driest	Driest since: 1916	1934
	5.32" (135.13mm)	5.43" (137.92mm)	-0.11" (-2.79mm)	69th Wettest	Wettest since: 1915	1957
	Ties: 1909
Mar–May 1917 3-Month	7.80" (198.12mm)	7.94" (201.68mm)	-0.14" (-3.56mm)	58th Driest	Driest since: 1916	1925
Mar–May 1917 3-Month	7.80" (198.12mm)	7.94" (201.68mm)	-0.14" (-3.56mm)	71st Wettest	Wettest since: 1912	1957, 1991
Feb–May 1917 4-Month	9.61" (244.09mm)	10.07" (255.78mm)	-0.46" (-11.69mm)	44th Driest	Driest since: 1916	1925
	9.61" (244.09mm)	10.07" (255.78mm)	-0.46" (-11.69mm)	85th Wettest	Wettest since: 1915	2019
	Ties: 1901, 1955
Jan–May 1917 5-Month	11.80" (299.72mm)	12.39" (314.71mm)	-0.59" (-14.99mm)	45th Driest	Driest since: 1914	1934
Jan–May 1917 5-Month	11.80" (299.72mm)	12.39" (314.71mm)	-0.59" (-14.99mm)	84th Wettest	Wettest since: 1916	2019
Dec 1916–May 1917 6-Month	13.98" (355.09mm)	14.73" (374.14mm)	-0.75" (-19.05mm)	45th Driest	Driest since: 1914	1931
Dec 1916–May 1917 6-Month	13.98" (355.09mm)	14.73" (374.14mm)	-0.75" (-19.05mm)	83rd Wettest	Wettest since: 1916	2019
Nov 1916–May 1917 7-Month	15.49" (393.45mm)	16.96" (430.78mm)	-1.47" (-37.33mm)	20th Driest	Driest since: 1911	1934
Nov 1916–May 1917 7-Month	15.49" (393.45mm)	16.96" (430.78mm)	-1.47" (-37.33mm)	108th Wettest	Wettest since: 1916	1983
Oct 1916–May 1917 8-Month	17.59" (446.79mm)	19.13" (485.90mm)	-1.54" (-39.11mm)	24th Driest	Driest since: 1911	1934
Oct 1916–May 1917 8-Month	17.59" (446.79mm)	19.13" (485.90mm)	-1.54" (-39.11mm)	104th Wettest	Wettest since: 1916	2019
Sep 1916–May 1917 9-Month	19.57" (497.08mm)	21.62" (549.15mm)	-2.05" (-52.07mm)	17th Driest	Driest since: 1911	1934
Sep 1916–May 1917 9-Month	19.57" (497.08mm)	21.62" (549.15mm)	-2.05" (-52.07mm)	111th Wettest	Wettest since: 1916	2019
Aug 1916–May 1917 10-Month	22.10" (561.34mm)	24.25" (615.95mm)	-2.15" (-54.61mm)	17th Driest	Driest since: 1911	1918
Aug 1916–May 1917 10-Month	22.10" (561.34mm)	24.25" (615.95mm)	-2.15" (-54.61mm)	111th Wettest	Wettest since: 1916	2019
Jul 1916–May 1917 11-Month	25.32" (643.13mm)	27.03" (686.56mm)	-1.71" (-43.43mm)	26th Driest	Driest since: 1911	1931
Jul 1916–May 1917 11-Month	25.32" (643.13mm)	27.03" (686.56mm)	-1.71" (-43.43mm)	102nd Wettest	Wettest since: 1916	2019
Jun 1916–May 1917 12-Month	28.56" (725.42mm)	29.95" (760.73mm)	-1.39" (-35.31mm)	35th Driest	Driest since: 1911	1934
Jun 1916–May 1917 12-Month	28.56" (725.42mm)	29.95" (760.73mm)	-1.39" (-35.31mm)	93rd Wettest	Wettest since: 1916	2019
Dec 1915–May 1917 18-Month	43.85" (1,113.79mm)	44.70" (1,135.38mm)	-0.85" (-21.59mm)	43rd Driest	Driest since: 1914	1931
Dec 1915–May 1917 18-Month	43.85" (1,113.79mm)	44.70" (1,135.38mm)	-0.85" (-21.59mm)	84th Wettest	Wettest since: 1916	2019
Jun 1915–May 1917 24-Month	60.75" (1,543.05mm)	59.92" (1,521.97mm)	0.83" (21.08mm)	71st Driest	Driest since: 1915	1931
Jun 1915–May 1917 24-Month	60.75" (1,543.05mm)	59.92" (1,521.97mm)	0.83" (21.08mm)	56th Wettest	Wettest since: 1916	2020
Jun 1914–May 1917 36-Month	91.16" (2,315.46mm)	89.88" (2,282.95mm)	1.28" (32.51mm)	75th Driest	Driest since: 1915	1955
Jun 1914–May 1917 36-Month	91.16" (2,315.46mm)	89.88" (2,282.95mm)	1.28" (32.51mm)	51st Wettest	Wettest since: 1916	2019
Jun 1913–May 1917 48-Month	120.32" (3,056.13mm)	119.78" (3,042.41mm)	0.54" (13.72mm)	59th Driest	Driest since: 1914	1956
Jun 1913–May 1917 48-Month	120.32" (3,056.13mm)	119.78" (3,042.41mm)	0.54" (13.72mm)	66th Wettest	Wettest since: 1916	2019
Jun 1912–May 1917 60-Month	149.65" (3,801.11mm)	149.64" (3,800.86mm)	0.01" (0.25mm)	59th Driest	Driest since: 1915	1957
Jun 1912–May 1917 60-Month	149.65" (3,801.11mm)	149.64" (3,800.86mm)	0.01" (0.25mm)	65th Wettest	Wettest since: 1916	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published March 2023, retrieved on March 23, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings