Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

North Dakota

Precipitation Rankings, May 1940

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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
May 1940 1-Month	1.95" (49.53mm)	2.32" (58.93mm)	-0.37" (-9.40mm)	51st Driest	Driest since: 1939	1901
May 1940 1-Month	1.95" (49.53mm)	2.32" (58.93mm)	-0.37" (-9.40mm)	78th Wettest	Wettest since: 1938	1927
Apr–May 1940 2-Month	4.28" (108.71mm)	3.70" (93.98mm)	0.58" (14.73mm)	87th Driest	Driest since: 1939	1934
Apr–May 1940 2-Month	4.28" (108.71mm)	3.70" (93.98mm)	0.58" (14.73mm)	42nd Wettest	Wettest since: 1935	1896
Mar–May 1940 3-Month	5.20" (132.08mm)	4.43" (112.52mm)	0.77" (19.56mm)	91st Driest	Driest since: 1939	1934
Mar–May 1940 3-Month	5.20" (132.08mm)	4.43" (112.52mm)	0.77" (19.56mm)	38th Wettest	Wettest since: 1935	1896
Feb–May 1940 4-Month	5.83" (148.08mm)	4.89" (124.21mm)	0.94" (23.87mm)	98th Driest	Driest since: 1939	1934
Feb–May 1940 4-Month	5.83" (148.08mm)	4.89" (124.21mm)	0.94" (23.87mm)	31st Wettest	Wettest since: 1935	1896
Jan–May 1940 5-Month	5.95" (151.13mm)	5.39" (136.91mm)	0.56" (14.22mm)	89th Driest	Driest since: 1939	1934
	5.95" (151.13mm)	5.39" (136.91mm)	0.56" (14.22mm)	40th Wettest	Wettest since: 1935	1896
	Ties: 1979
Dec 1939–May 1940 6-Month	6.25" (158.75mm)	5.88" (149.35mm)	0.37" (9.40mm)	83rd Driest	Driest since: 1939	1934
	6.25" (158.75mm)	5.88" (149.35mm)	0.37" (9.40mm)	45th Wettest	Wettest since: 1935	1896
	Ties: 1921
Nov 1939–May 1940 7-Month	6.28" (159.51mm)	6.48" (164.59mm)	-0.20" (-5.08mm)	55th Driest	Driest since: 1939	1980
Nov 1939–May 1940 7-Month	6.28" (159.51mm)	6.48" (164.59mm)	-0.20" (-5.08mm)	73rd Wettest	Wettest since: 1938	1896
Oct 1939–May 1940 8-Month	7.09" (180.09mm)	7.56" (192.02mm)	-0.47" (-11.93mm)	51st Driest	Driest since: 1939	1980
	7.09" (180.09mm)	7.56" (192.02mm)	-0.47" (-11.93mm)	77th Wettest	Wettest since: 1938	1999
	Ties: 1904
Sep 1939–May 1940 9-Month	7.81" (198.37mm)	9.21" (233.93mm)	-1.40" (-35.56mm)	30th Driest	Driest since: 1939	1980
Sep 1939–May 1940 9-Month	7.81" (198.37mm)	9.21" (233.93mm)	-1.40" (-35.56mm)	98th Wettest	Wettest since: 1938	2011
Aug 1939–May 1940 10-Month	9.95" (252.73mm)	11.35" (288.29mm)	-1.40" (-35.56mm)	30th Driest	Driest since: 1939	1934
Aug 1939–May 1940 10-Month	9.95" (252.73mm)	11.35" (288.29mm)	-1.40" (-35.56mm)	98th Wettest	Wettest since: 1938	1999
Jul 1939–May 1940 11-Month	11.70" (297.18mm)	13.93" (353.82mm)	-2.23" (-56.64mm)	22nd Driest	Driest since: 1939	1934
Jul 1939–May 1940 11-Month	11.70" (297.18mm)	13.93" (353.82mm)	-2.23" (-56.64mm)	106th Wettest	Wettest since: 1938	2011
Jun 1939–May 1940 12-Month	16.43" (417.32mm)	17.33" (440.18mm)	-0.90" (-22.86mm)	38th Driest	Driest since: 1939	1934
Jun 1939–May 1940 12-Month	16.43" (417.32mm)	17.33" (440.18mm)	-0.90" (-22.86mm)	90th Wettest	Wettest since: 1938	2011
Dec 1938–May 1940 18-Month	20.81" (528.57mm)	23.19" (589.03mm)	-2.38" (-60.46mm)	26th Driest	Driest since: 1939	1937
Dec 1938–May 1940 18-Month	20.81" (528.57mm)	23.19" (589.03mm)	-2.38" (-60.46mm)	101st Wettest	Wettest since: 1938	2011
Jun 1938–May 1940 24-Month	30.61" (777.49mm)	34.63" (879.60mm)	-4.02" (-102.11mm)	17th Driest	Driest since: 1938	1935
Jun 1938–May 1940 24-Month	30.61" (777.49mm)	34.63" (879.60mm)	-4.02" (-102.11mm)	110th Wettest	Wettest since: 1939	1995
Jun 1937–May 1940 36-Month	47.94" (1,217.68mm)	51.85" (1,316.99mm)	-3.91" (-99.31mm)	21st Driest	Driest since: 1939	1936
	47.94" (1,217.68mm)	51.85" (1,316.99mm)	-3.91" (-99.31mm)	105th Wettest	Wettest since: 1933	2011
	Ties: 1962
Jun 1936–May 1940 48-Month	58.81" (1,493.77mm)	69.06" (1,754.12mm)	-10.25" (-260.35mm)	7th Driest	Driest since: 1939	1937
Jun 1936–May 1940 48-Month	58.81" (1,493.77mm)	69.06" (1,754.12mm)	-10.25" (-260.35mm)	118th Wettest	Wettest since: 1935	2012
Jun 1935–May 1940 60-Month	73.67" (1,871.22mm)	86.26" (2,191.00mm)	-12.59" (-319.78mm)	6th Driest	Driest since: 1939	1938
Jun 1935–May 1940 60-Month	73.67" (1,871.22mm)	86.26" (2,191.00mm)	-12.59" (-319.78mm)	118th Wettest	Wettest since: 1936	2013

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published May 2023, retrieved on May 28, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings