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, May 1934

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
May 1934 1-Month	1.81" (45.97mm)	2.91" (73.91mm)	-1.10" (-27.94mm)	1st Driest	Driest since: 1934	1934
May 1934 1-Month	1.81" (45.97mm)	2.91" (73.91mm)	-1.10" (-27.94mm)	128th Wettest	Wettest since: 1933	2019
Apr–May 1934 2-Month	3.58" (90.93mm)	5.43" (137.92mm)	-1.85" (-46.99mm)	1st Driest	Driest since: 1934	1934
Apr–May 1934 2-Month	3.58" (90.93mm)	5.43" (137.92mm)	-1.85" (-46.99mm)	128th Wettest	Wettest since: 1933	1957
Mar–May 1934 3-Month	5.92" (150.37mm)	7.94" (201.68mm)	-2.02" (-51.31mm)	3rd Driest	Driest since: 1925	1925
Mar–May 1934 3-Month	5.92" (150.37mm)	7.94" (201.68mm)	-2.02" (-51.31mm)	126th Wettest	Wettest since: 1933	1957, 1991
Feb–May 1934 4-Month	7.57" (192.28mm)	10.07" (255.78mm)	-2.50" (-63.50mm)	2nd Driest	Driest since: 1925	1925
Feb–May 1934 4-Month	7.57" (192.28mm)	10.07" (255.78mm)	-2.50" (-63.50mm)	127th Wettest	Wettest since: 1933	2019
Jan–May 1934 5-Month	9.39" (238.51mm)	12.39" (314.71mm)	-3.00" (-76.20mm)	1st Driest	Driest since: 1934	1934
Jan–May 1934 5-Month	9.39" (238.51mm)	12.39" (314.71mm)	-3.00" (-76.20mm)	128th Wettest	Wettest since: 1933	2019
Dec 1933–May 1934 6-Month	12.05" (306.07mm)	14.73" (374.14mm)	-2.68" (-68.07mm)	3rd Driest	Driest since: 1931	1931
Dec 1933–May 1934 6-Month	12.05" (306.07mm)	14.73" (374.14mm)	-2.68" (-68.07mm)	125th Wettest	Wettest since: 1933	2019
Nov 1933–May 1934 7-Month	13.10" (332.74mm)	16.96" (430.78mm)	-3.86" (-98.04mm)	1st Driest	Driest since: 1934	1934
Nov 1933–May 1934 7-Month	13.10" (332.74mm)	16.96" (430.78mm)	-3.86" (-98.04mm)	127th Wettest	Wettest since: 1933	1983
Oct 1933–May 1934 8-Month	14.76" (374.90mm)	19.13" (485.90mm)	-4.37" (-111.00mm)	1st Driest	Driest since: 1934	1934
Oct 1933–May 1934 8-Month	14.76" (374.90mm)	19.13" (485.90mm)	-4.37" (-111.00mm)	127th Wettest	Wettest since: 1933	2019
Sep 1933–May 1934 9-Month	17.16" (435.86mm)	21.62" (549.15mm)	-4.46" (-113.29mm)	1st Driest	Driest since: 1934	1934
Sep 1933–May 1934 9-Month	17.16" (435.86mm)	21.62" (549.15mm)	-4.46" (-113.29mm)	127th Wettest	Wettest since: 1933	2019
Aug 1933–May 1934 10-Month	20.02" (508.51mm)	24.25" (615.95mm)	-4.23" (-107.44mm)	2nd Driest	Driest since: 1918	1918
Aug 1933–May 1934 10-Month	20.02" (508.51mm)	24.25" (615.95mm)	-4.23" (-107.44mm)	126th Wettest	Wettest since: 1933	2019
Jul 1933–May 1934 11-Month	22.85" (580.39mm)	27.03" (686.56mm)	-4.18" (-106.17mm)	4th Driest	Driest since: 1931	1931
Jul 1933–May 1934 11-Month	22.85" (580.39mm)	27.03" (686.56mm)	-4.18" (-106.17mm)	124th Wettest	Wettest since: 1933	2019
Jun 1933–May 1934 12-Month	24.30" (617.22mm)	29.95" (760.73mm)	-5.65" (-143.51mm)	1st Driest	Driest since: 1934	1934
Jun 1933–May 1934 12-Month	24.30" (617.22mm)	29.95" (760.73mm)	-5.65" (-143.51mm)	127th Wettest	Wettest since: 1933	2019
Dec 1932–May 1934 18-Month	39.81" (1,011.17mm)	44.70" (1,135.38mm)	-4.89" (-124.21mm)	7th Driest	Driest since: 1931	1931
Dec 1932–May 1934 18-Month	39.81" (1,011.17mm)	44.70" (1,135.38mm)	-4.89" (-124.21mm)	120th Wettest	Wettest since: 1933	2019
Jun 1932–May 1934 24-Month	54.98" (1,396.49mm)	59.92" (1,521.97mm)	-4.94" (-125.48mm)	12th Driest	Driest since: 1932	1931
Jun 1932–May 1934 24-Month	54.98" (1,396.49mm)	59.92" (1,521.97mm)	-4.94" (-125.48mm)	115th Wettest	Wettest since: 1933	2020
Jun 1931–May 1934 36-Month	84.78" (2,153.41mm)	89.88" (2,282.95mm)	-5.10" (-129.54mm)	15th Driest	Driest since: 1932	1955
Jun 1931–May 1934 36-Month	84.78" (2,153.41mm)	89.88" (2,282.95mm)	-5.10" (-129.54mm)	111th Wettest	Wettest since: 1933	2019
Jun 1930–May 1934 48-Month	109.13" (2,771.90mm)	119.78" (3,042.41mm)	-10.65" (-270.51mm)	3rd Driest	Driest since: 1934	1956
Jun 1930–May 1934 48-Month	109.13" (2,771.90mm)	119.78" (3,042.41mm)	-10.65" (-270.51mm)	122nd Wettest	Wettest since: 1933	2019
Jun 1929–May 1934 60-Month	136.95" (3,478.53mm)	149.64" (3,800.86mm)	-12.69" (-322.33mm)	2nd Driest	Driest since: 1934	1957
Jun 1929–May 1934 60-Month	136.95" (3,478.53mm)	149.64" (3,800.86mm)	-12.69" (-322.33mm)	122nd Wettest	Wettest since: 1933	2020

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: National Rankings, published January 2023, retrieved on February 3, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/national/rankings