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.

Pennsylvania

Precipitation Rankings, June 1940

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
June 1940 1-Month	4.25" (107.95mm)	4.17" (105.92mm)	0.08" (2.03mm)	75th Driest	Driest since: 1936	1966
	4.25" (107.95mm)	4.17" (105.92mm)	0.08" (2.03mm)	54th Wettest	Wettest since: 1939	1972
	Ties: 1958
May–Jun 1940 2-Month	8.68" (220.47mm)	8.10" (205.74mm)	0.58" (14.73mm)	80th Driest	Driest since: 1939	1991
May–Jun 1940 2-Month	8.68" (220.47mm)	8.10" (205.74mm)	0.58" (14.73mm)	49th Wettest	Wettest since: 1938	1972
Apr–Jun 1940 3-Month	13.95" (354.33mm)	11.74" (298.20mm)	2.21" (56.13mm)	103rd Driest	Driest since: 1939	1965
Apr–Jun 1940 3-Month	13.95" (354.33mm)	11.74" (298.20mm)	2.21" (56.13mm)	26th Wettest	Wettest since: 1929	1972
Mar–Jun 1940 4-Month	18.83" (478.28mm)	15.23" (386.84mm)	3.60" (91.44mm)	118th Driest	Driest since: 1939	1926
Mar–Jun 1940 4-Month	18.83" (478.28mm)	15.23" (386.84mm)	3.60" (91.44mm)	11th Wettest	Wettest since: 1928	1972
Feb–Jun 1940 5-Month	22.14" (562.36mm)	17.83" (452.88mm)	4.31" (109.48mm)	118th Driest	Driest since: 1939	1941
Feb–Jun 1940 5-Month	22.14" (562.36mm)	17.83" (452.88mm)	4.31" (109.48mm)	11th Wettest	Wettest since: 1928	1972
Jan–Jun 1940 6-Month	23.53" (597.66mm)	20.88" (530.35mm)	2.65" (67.31mm)	103rd Driest	Driest since: 1939	1941
Jan–Jun 1940 6-Month	23.53" (597.66mm)	20.88" (530.35mm)	2.65" (67.31mm)	26th Wettest	Wettest since: 1937	1972
Dec 1939–Jun 1940 7-Month	25.89" (657.61mm)	23.98" (609.09mm)	1.91" (48.52mm)	91st Driest	Driest since: 1939	1941
Dec 1939–Jun 1940 7-Month	25.89" (657.61mm)	23.98" (609.09mm)	1.91" (48.52mm)	37th Wettest	Wettest since: 1937	1972
Nov 1939–Jun 1940 8-Month	26.91" (683.51mm)	27.19" (690.63mm)	-0.28" (-7.12mm)	65th Driest	Driest since: 1939	1934
Nov 1939–Jun 1940 8-Month	26.91" (683.51mm)	27.19" (690.63mm)	-0.28" (-7.12mm)	63rd Wettest	Wettest since: 1937	2019
Oct 1939–Jun 1940 9-Month	30.84" (783.34mm)	30.36" (771.14mm)	0.48" (12.20mm)	65th Driest	Driest since: 1939	1925
Oct 1939–Jun 1940 9-Month	30.84" (783.34mm)	30.36" (771.14mm)	0.48" (12.20mm)	63rd Wettest	Wettest since: 1938	2019
Sep 1939–Jun 1940 10-Month	34.14" (867.16mm)	33.92" (861.57mm)	0.22" (5.59mm)	67th Driest	Driest since: 1939	1965
Sep 1939–Jun 1940 10-Month	34.14" (867.16mm)	33.92" (861.57mm)	0.22" (5.59mm)	61st Wettest	Wettest since: 1937	2019
Aug 1939–Jun 1940 11-Month	36.84" (935.74mm)	37.79" (959.87mm)	-0.95" (-24.13mm)	53rd Driest	Driest since: 1939	1931
Aug 1939–Jun 1940 11-Month	36.84" (935.74mm)	37.79" (959.87mm)	-0.95" (-24.13mm)	75th Wettest	Wettest since: 1938	2019
Jul 1939–Jun 1940 12-Month	40.18" (1,020.57mm)	41.99" (1,066.55mm)	-1.81" (-45.98mm)	43rd Driest	Driest since: 1934	1931
Jul 1939–Jun 1940 12-Month	40.18" (1,020.57mm)	41.99" (1,066.55mm)	-1.81" (-45.98mm)	85th Wettest	Wettest since: 1939	2019
Jan 1939–Jun 1940 18-Month	60.96" (1,548.38mm)	62.83" (1,595.88mm)	-1.87" (-47.50mm)	40th Driest	Driest since: 1935	1931
Jan 1939–Jun 1940 18-Month	60.96" (1,548.38mm)	62.83" (1,595.88mm)	-1.87" (-47.50mm)	88th Wettest	Wettest since: 1939	2019
Jul 1938–Jun 1940 24-Month	80.76" (2,051.30mm)	83.92" (2,131.57mm)	-3.16" (-80.27mm)	34th Driest	Driest since: 1935	1966
Jul 1938–Jun 1940 24-Month	80.76" (2,051.30mm)	83.92" (2,131.57mm)	-3.16" (-80.27mm)	93rd Wettest	Wettest since: 1939	2019
Jul 1937–Jun 1940 36-Month	123.98" (3,149.09mm)	125.95" (3,199.13mm)	-1.97" (-50.04mm)	39th Driest	Driest since: 1935	1966
Jul 1937–Jun 1940 36-Month	123.98" (3,149.09mm)	125.95" (3,199.13mm)	-1.97" (-50.04mm)	87th Wettest	Wettest since: 1939	2019
Jul 1936–Jun 1940 48-Month	169.42" (4,303.27mm)	167.95" (4,265.93mm)	1.47" (37.34mm)	59th Driest	Driest since: 1936	1966
Jul 1936–Jun 1940 48-Month	169.42" (4,303.27mm)	167.95" (4,265.93mm)	1.47" (37.34mm)	66th Wettest	Wettest since: 1939	2020
Jul 1935–Jun 1940 60-Month	214.07" (5,437.38mm)	209.88" (5,330.95mm)	4.19" (106.43mm)	66th Driest	Driest since: 1938	1966
Jul 1935–Jun 1940 60-Month	214.07" (5,437.38mm)	209.88" (5,330.95mm)	4.19" (106.43mm)	58th Wettest	Wettest since: 1939	2022

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings