Statewide Rankings

Statewide Data Info
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 1940

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
June 1940
1-Month		1.77"
(44.96mm)		3.64"
(92.46mm)		-1.87"
(-47.50mm)		5th Driest
Driest to Date
1988
124th Wettest
Wettest since:
2006
May–Jun 1940
2-Month		7.10"
(180.34mm)		7.19"
(182.63mm)		-0.09"
(-2.29mm)		62nd Driest
Driest since:
1964
67th Wettest
Wettest since:
1948
Apr–Jun 1940
3-Month		12.61"
(320.29mm)		10.67"
(271.02mm)		1.94"
(49.27mm)		99th Driest
Driest since:
1986
30th Wettest
Wettest since:
1948
Mar–Jun 1940
4-Month		16.58"
(421.13mm)		14.65"
(372.11mm)		1.93"
(49.02mm)		95th Driest
Driest since:
1986
34th Wettest
Wettest since:
1983
Feb–Jun 1940
5-Month		19.61"
(498.09mm)		17.70"
(449.58mm)		1.91"
(48.51mm)		95th Driest
Driest since:
1976
34th Wettest
Wettest since:
1983
Jan–Jun 1940
6-Month		22.11"
(561.59mm)		21.19"
(538.23mm)		0.92"
(23.36mm)		83rd Driest
Driest since:
2012
46th Wettest
Wettest since:
1948
Dec 1939–Jun 1940
7-Month		23.65"
(600.71mm)		24.65"
(626.11mm)		-1.00"
(-25.40mm)		54th Driest
Driest since:
1986
74th Wettest
Wettest since:
1948, 1979
Nov 1939–Jun 1940
8-Month		25.22"
(640.59mm)		27.71"
(703.83mm)		-2.49"
(-63.24mm)		41st Driest
Driest since:
1977
87th Wettest
Wettest since:
1948
Oct 1939–Jun 1940
9-Month		29.57"
(751.08mm)		30.87"
(784.10mm)		-1.30"
(-33.02mm)		53rd Driest
Driest since:
1986
75th Wettest
Wettest since:
2003
Sep 1939–Jun 1940
10-Month		32.16"
(816.86mm)		34.46"
(875.28mm)		-2.30"
(-58.42mm)		49th Driest
Driest since:
2002
79th Wettest
Wettest since:
2003
Aug 1939–Jun 1940
11-Month		40.00"
(1,016.00mm)		39.04"
(991.62mm)		0.96"
(24.38mm)		70th Driest
Driest since:
1985
58th Wettest
Wettest since:
1972
Jul 1939–Jun 1940
12-Month		43.24"
(1,098.30mm)		43.33"
(1,100.58mm)		-0.09"
(-2.28mm)		61st Driest
Driest since:
1969
67th Wettest
Wettest since:
2021
Jan 1939–Jun 1940
18-Month		67.57"
(1,716.28mm)		64.47"
(1,637.54mm)		3.10"
(78.74mm)		82nd Driest
Driest since:
1931
46th Wettest
Wettest since:
2019
Jul 1938–Jun 1940
24-Month		97.73"
(2,482.34mm)		86.54"
(2,198.12mm)		11.19"
(284.22mm)		106th Driest
Driest since:
1931
21st Wettest
Wettest since:
2019
Jul 1937–Jun 1940
36-Month		141.74"
(3,600.20mm)		129.87"
(3,298.70mm)		11.87"
(301.50mm)		109th Driest
Driest since:
1966
17th Wettest
Wettest since:
1937
Jul 1936–Jun 1940
48-Month		192.80"
(4,897.12mm)		173.13"
(4,397.50mm)		19.67"
(499.62mm)		116th Driest
Driest since:
1966
9th Wettest
Wettest since:
1937
Jul 1935–Jun 1940
60-Month		247.15"
(6,277.61mm)		216.27"
(5,493.26mm)		30.88"
(784.35mm)		119th Driest
Driest since:
1967
5th Wettest
Wettest since:
1939

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