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, June 1931

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
June 1931 1-Month	2.14" (54.36mm)	2.93" (74.42mm)	-0.79" (-20.06mm)	4th Driest	Driest since: 1931	1933
June 1931 1-Month	2.14" (54.36mm)	2.93" (74.42mm)	-0.79" (-20.06mm)	125th Wettest	Wettest since: 1930	1928
May–Jun 1931 2-Month	4.43" (112.52mm)	5.84" (148.34mm)	-1.41" (-35.82mm)	5th Driest	Driest since: 1911	1988
May–Jun 1931 2-Month	4.43" (112.52mm)	5.84" (148.34mm)	-1.41" (-35.82mm)	124th Wettest	Wettest since: 1930	2015
Apr–Jun 1931 3-Month	6.50" (165.10mm)	8.35" (212.09mm)	-1.85" (-46.99mm)	4th Driest	Driest since: 1931	1988
Apr–Jun 1931 3-Month	6.50" (165.10mm)	8.35" (212.09mm)	-1.85" (-46.99mm)	125th Wettest	Wettest since: 1930	1957
Mar–Jun 1931 4-Month	8.81" (223.77mm)	10.86" (275.84mm)	-2.05" (-52.07mm)	9th Driest	Driest since: 1925	1988
Mar–Jun 1931 4-Month	8.81" (223.77mm)	10.86" (275.84mm)	-2.05" (-52.07mm)	120th Wettest	Wettest since: 1930	1957
Feb–Jun 1931 5-Month	10.65" (270.51mm)	13.00" (330.20mm)	-2.35" (-59.69mm)	5th Driest	Driest since: 1925	1988
Feb–Jun 1931 5-Month	10.65" (270.51mm)	13.00" (330.20mm)	-2.35" (-59.69mm)	124th Wettest	Wettest since: 1930	2019
Jan–Jun 1931 6-Month	12.21" (310.13mm)	15.31" (388.87mm)	-3.10" (-78.74mm)	3rd Driest	Driest since: 1931	1988
Jan–Jun 1931 6-Month	12.21" (310.13mm)	15.31" (388.87mm)	-3.10" (-78.74mm)	126th Wettest	Wettest since: 1930	2019
Dec 1930–Jun 1931 7-Month	13.49" (342.65mm)	17.66" (448.56mm)	-4.17" (-105.91mm)	1st Driest	Driest since: 1931	1931
Dec 1930–Jun 1931 7-Month	13.49" (342.65mm)	17.66" (448.56mm)	-4.17" (-105.91mm)	127th Wettest	Wettest since: 1930	2019
Nov 1930–Jun 1931 8-Month	15.77" (400.56mm)	19.89" (505.21mm)	-4.12" (-104.65mm)	2nd Driest	Driest since: 1931	1934
Nov 1930–Jun 1931 8-Month	15.77" (400.56mm)	19.89" (505.21mm)	-4.12" (-104.65mm)	126th Wettest	Wettest since: 1930	2019
Oct 1930–Jun 1931 9-Month	18.08" (459.23mm)	22.05" (560.07mm)	-3.97" (-100.84mm)	3rd Driest	Driest since: 1925	1934
	18.08" (459.23mm)	22.05" (560.07mm)	-3.97" (-100.84mm)	125th Wettest	Wettest since: 1930	2019
	Ties: 1925
Sep 1930–Jun 1931 10-Month	20.41" (518.41mm)	24.55" (623.57mm)	-4.14" (-105.16mm)	4th Driest	Driest since: 1918	1934
Sep 1930–Jun 1931 10-Month	20.41" (518.41mm)	24.55" (623.57mm)	-4.14" (-105.16mm)	124th Wettest	Wettest since: 1930	2019
Aug 1930–Jun 1931 11-Month	22.37" (568.20mm)	27.17" (690.12mm)	-4.80" (-121.92mm)	2nd Driest	Driest since: 1918	1918
Aug 1930–Jun 1931 11-Month	22.37" (568.20mm)	27.17" (690.12mm)	-4.80" (-121.92mm)	126th Wettest	Wettest since: 1930	2019
Jul 1930–Jun 1931 12-Month	24.16" (613.66mm)	29.96" (760.98mm)	-5.80" (-147.32mm)	1st Driest	Driest since: 1931	1931
Jul 1930–Jun 1931 12-Month	24.16" (613.66mm)	29.96" (760.98mm)	-5.80" (-147.32mm)	127th Wettest	Wettest since: 1930	2019
Jan 1930–Jun 1931 18-Month	37.79" (959.87mm)	45.27" (1,149.86mm)	-7.48" (-189.99mm)	1st Driest	Driest since: 1931	1931
Jan 1930–Jun 1931 18-Month	37.79" (959.87mm)	45.27" (1,149.86mm)	-7.48" (-189.99mm)	127th Wettest	Wettest since: 1930	2019
Jul 1929–Jun 1931 24-Month	51.68" (1,312.67mm)	59.93" (1,522.22mm)	-8.25" (-209.55mm)	1st Driest	Driest since: 1931	1931
Jul 1929–Jun 1931 24-Month	51.68" (1,312.67mm)	59.93" (1,522.22mm)	-8.25" (-209.55mm)	126th Wettest	Wettest since: 1930	2020
Jul 1928–Jun 1931 36-Month	82.39" (2,092.71mm)	89.89" (2,283.21mm)	-7.50" (-190.50mm)	3rd Driest	Driest since: 1931	1956
Jul 1928–Jun 1931 36-Month	82.39" (2,092.71mm)	89.89" (2,283.21mm)	-7.50" (-190.50mm)	123rd Wettest	Wettest since: 1930	2019
Jul 1927–Jun 1931 48-Month	113.26" (2,876.80mm)	119.79" (3,042.67mm)	-6.53" (-165.87mm)	11th Driest	Driest since: 1926	1956
Jul 1927–Jun 1931 48-Month	113.26" (2,876.80mm)	119.79" (3,042.67mm)	-6.53" (-165.87mm)	114th Wettest	Wettest since: 1930	2019
Jul 1926–Jun 1931 60-Month	146.84" (3,729.74mm)	149.66" (3,801.36mm)	-2.82" (-71.62mm)	36th Driest	Driest since: 1927	1934
Jul 1926–Jun 1931 60-Month	146.84" (3,729.74mm)	149.66" (3,801.36mm)	-2.82" (-71.62mm)	88th Wettest	Wettest since: 1930	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