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 1931

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
June 1931
1-Month 		3.66"
(92.96mm)		 3.64"
(92.46mm)		 0.02"
(0.50mm)		 72nd Driest
Driest since:
 1988
57th Wettest
Wettest since:
 2006
May–Jun 1931
2-Month 		7.33"
(186.18mm)		 7.19"
(182.63mm)		 0.14"
(3.55mm)		 68th Driest
Driest since:
 1964
61st Wettest
Wettest since:
 1948
Apr–Jun 1931
3-Month 		10.23"
(259.84mm)		 10.67"
(271.02mm)		 -0.44"
(-11.18mm)		 59th Driest
Driest since:
 1986
70th Wettest
Wettest since:
 1948
Mar–Jun 1931
4-Month 		15.21"
(386.33mm)		 14.65"
(372.11mm)		 0.56"
(14.22mm)		 73rd Driest
Driest since:
 1986
56th Wettest
Wettest since:
 1983
Feb–Jun 1931
5-Month 		16.72"
(424.69mm)		 17.70"
(449.58mm)		 -0.98"
(-24.89mm)		 52nd Driest
Driest since:
 1976
77th Wettest
Wettest since:
 1983
Jan–Jun 1931
6-Month 		18.60"
(472.44mm)		 21.19"
(538.23mm)		 -2.59"
(-65.79mm)		 34th Driest
Driest since:
 2012
95th Wettest
Wettest since:
 1948
Dec 1930–Jun 1931
7-Month 		20.67"
(525.02mm)		 24.65"
(626.11mm)		 -3.98"
(-101.09mm)		 29th Driest
Driest since:
 1986
99th Wettest
Wettest since:
 1948, 1979
Nov 1930–Jun 1931
8-Month 		22.56"
(573.02mm)		 27.71"
(703.83mm)		 -5.15"
(-130.81mm)		 23rd Driest
Driest since:
 1977
105th Wettest
Wettest since:
 1948
Oct 1930–Jun 1931
9-Month 		24.03"
(610.36mm)		 30.87"
(784.10mm)		 -6.84"
(-173.74mm)		 11th Driest
Driest since:
 1986
117th Wettest
Wettest since:
 2003
Sep 1930–Jun 1931
10-Month 		26.35"
(669.29mm)		 34.46"
(875.28mm)		 -8.11"
(-205.99mm)		 6th Driest
Driest since:
 2002
122nd Wettest
Wettest since:
 2003
Aug 1930–Jun 1931
11-Month 		27.98"
(710.69mm)		 39.04"
(991.62mm)		 -11.06"
(-280.93mm)		 2nd Driest
Driest since:
 1985
126th Wettest
Wettest since:
 1972
Jul 1930–Jun 1931
12-Month 		31.40"
(797.56mm)		 43.33"
(1,100.58mm)		 -11.93"
(-303.02mm)		 3rd Driest
Driest since:
 1969
125th Wettest
Wettest since:
 2021
Jan 1930–Jun 1931
18-Month 		45.97"
(1,167.64mm)		 64.47"
(1,637.54mm)		 -18.50"
(-469.90mm)		 1st Driest
Driest since:
 1931
127th Wettest
Wettest since:
 2019
Jul 1929–Jun 1931
24-Month 		62.98"
(1,599.69mm)		 86.54"
(2,198.12mm)		 -23.56"
(-598.43mm)		 1st Driest
Driest since:
 1931
126th Wettest
Wettest since:
 2019
Jul 1928–Jun 1931
36-Month 		110.61"
(2,809.49mm)		 129.87"
(3,298.70mm)		 -19.26"
(-489.21mm)		 5th Driest
Driest since:
 1966
121st Wettest
Wettest since:
 1937
Jul 1927–Jun 1931
48-Month 		154.65"
(3,928.11mm)		 173.13"
(4,397.50mm)		 -18.48"
(-469.39mm)		 8th Driest
Driest since:
 1966
117th Wettest
Wettest since:
 1937
Jul 1926–Jun 1931
60-Month 		199.56"
(5,068.82mm)		 216.27"
(5,493.26mm)		 -16.71"
(-424.44mm)		 9th Driest
Driest since:
 1967
115th Wettest
Wettest since:
 1939

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