Statewide Rankings

Parameter:

Year:

Month:

State:

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.

Delaware

Precipitation Rankings, June 1939

View Period (Months):

All

Download:

Record Driest

Bottom 1/10

Bottom 1/3

Normal

Top 1/3

Top 1/10

Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
June 1939 1-Month	3.36" (85.34mm)	3.64" (92.46mm)	-0.28" (-7.12mm)	58th Driest	Driest since: 1934	1988
June 1939 1-Month	3.36" (85.34mm)	3.64" (92.46mm)	-0.28" (-7.12mm)	71st Wettest	Wettest since: 1938	2006
May–Jun 1939 2-Month	4.09" (103.89mm)	7.19" (182.63mm)	-3.10" (-78.74mm)	8th Driest	Driest since: 1925	1964
May–Jun 1939 2-Month	4.09" (103.89mm)	7.19" (182.63mm)	-3.10" (-78.74mm)	121st Wettest	Wettest since: 1938	1948
Apr–Jun 1939 3-Month	9.85" (250.19mm)	10.67" (271.02mm)	-0.82" (-20.83mm)	51st Driest	Driest since: 1936	1986
	9.85" (250.19mm)	10.67" (271.02mm)	-0.82" (-20.83mm)	78th Wettest	Wettest since: 1938	1948
	Ties: 1971
Mar–Jun 1939 4-Month	15.08" (383.03mm)	14.65" (372.11mm)	0.43" (10.92mm)	71st Driest	Driest since: 1938	1986
Mar–Jun 1939 4-Month	15.08" (383.03mm)	14.65" (372.11mm)	0.43" (10.92mm)	58th Wettest	Wettest since: 1937	1983
Feb–Jun 1939 5-Month	20.57" (522.48mm)	17.70" (449.58mm)	2.87" (72.90mm)	102nd Driest	Driest since: 1938	1976
Feb–Jun 1939 5-Month	20.57" (522.48mm)	17.70" (449.58mm)	2.87" (72.90mm)	27th Wettest	Wettest since: 1934	1983
Jan–Jun 1939 6-Month	24.33" (617.98mm)	21.19" (538.23mm)	3.14" (79.75mm)	102nd Driest	Driest since: 1938	2012
Jan–Jun 1939 6-Month	24.33" (617.98mm)	21.19" (538.23mm)	3.14" (79.75mm)	27th Wettest	Wettest since: 1937	1948
Dec 1938–Jun 1939 7-Month	27.12" (688.85mm)	24.65" (626.11mm)	2.47" (62.74mm)	92nd Driest	Driest since: 1938	1986
	27.12" (688.85mm)	24.65" (626.11mm)	2.47" (62.74mm)	36th Wettest	Wettest since: 1937	1948, 1979
	Ties: 2010
Nov 1938–Jun 1939 8-Month	30.38" (771.65mm)	27.71" (703.83mm)	2.67" (67.82mm)	94th Driest	Driest since: 1938	1977
Nov 1938–Jun 1939 8-Month	30.38" (771.65mm)	27.71" (703.83mm)	2.67" (67.82mm)	34th Wettest	Wettest since: 1937	1948
Oct 1938–Jun 1939 9-Month	32.90" (835.66mm)	30.87" (784.10mm)	2.03" (51.56mm)	84th Driest	Driest since: 1938	1986
Oct 1938–Jun 1939 9-Month	32.90" (835.66mm)	30.87" (784.10mm)	2.03" (51.56mm)	44th Wettest	Wettest since: 1937	2003
Sep 1938–Jun 1939 10-Month	40.75" (1,035.05mm)	34.46" (875.28mm)	6.29" (159.77mm)	105th Driest	Driest since: 1938	2002
Sep 1938–Jun 1939 10-Month	40.75" (1,035.05mm)	34.46" (875.28mm)	6.29" (159.77mm)	23rd Wettest	Wettest since: 1937	2003
Aug 1938–Jun 1939 11-Month	43.77" (1,111.76mm)	39.04" (991.62mm)	4.73" (120.14mm)	96th Driest	Driest since: 1938	1985
Aug 1938–Jun 1939 11-Month	43.77" (1,111.76mm)	39.04" (991.62mm)	4.73" (120.14mm)	32nd Wettest	Wettest since: 1937	1972
Jul 1938–Jun 1939 12-Month	54.49" (1,384.05mm)	43.33" (1,100.58mm)	11.16" (283.47mm)	123rd Driest	Driest since: 1938	1969
Jul 1938–Jun 1939 12-Month	54.49" (1,384.05mm)	43.33" (1,100.58mm)	11.16" (283.47mm)	5th Wettest	Wettest to Date	2021
Jan 1938–Jun 1939 18-Month	73.97" (1,878.84mm)	64.47" (1,637.54mm)	9.50" (241.30mm)	110th Driest	Driest since: 1938	1931
Jan 1938–Jun 1939 18-Month	73.97" (1,878.84mm)	64.47" (1,637.54mm)	9.50" (241.30mm)	18th Wettest	Wettest since: 1937	2019
Jul 1937–Jun 1939 24-Month	98.50" (2,501.90mm)	86.54" (2,198.12mm)	11.96" (303.78mm)	112th Driest	Driest since: 1938	1931
Jul 1937–Jun 1939 24-Month	98.50" (2,501.90mm)	86.54" (2,198.12mm)	11.96" (303.78mm)	15th Wettest	Wettest since: 1937	2019
Jul 1936–Jun 1939 36-Month	149.56" (3,798.82mm)	129.87" (3,298.70mm)	19.69" (500.12mm)	119th Driest	Driest since: 1938	1966
Jul 1936–Jun 1939 36-Month	149.56" (3,798.82mm)	129.87" (3,298.70mm)	19.69" (500.12mm)	7th Wettest	Wettest since: 1937	1937
Jul 1935–Jun 1939 48-Month	203.91" (5,179.31mm)	173.13" (4,397.50mm)	30.78" (781.81mm)	123rd Driest	Driest since: 1938	1966
Jul 1935–Jun 1939 48-Month	203.91" (5,179.31mm)	173.13" (4,397.50mm)	30.78" (781.81mm)	2nd Wettest	Wettest since: 1937	1937
Jul 1934–Jun 1939 60-Month	253.03" (6,426.96mm)	216.27" (5,493.26mm)	36.76" (933.70mm)	123rd Driest	Driest since: 1938	1967
Jul 1934–Jun 1939 60-Month	253.03" (6,426.96mm)	216.27" (5,493.26mm)	36.76" (933.70mm)	1st Wettest	Wettest to Date	1939

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings