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 2021

View Period (Months):
Download: csv json xml
  • 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 2021
1-Month 		3.21"
(81.53mm)		 3.64"
(92.46mm)		 -0.43"
(-10.93mm)		 55th Driest
Driest since:
 1988
74th Wettest
Wettest since:
 2006
May–Jun 2021
2-Month 		6.25"
(158.75mm)		 7.19"
(182.63mm)		 -0.94"
(-23.88mm)		 44th Driest
Driest since:
 1964
85th Wettest
Wettest since:
 1948
Apr–Jun 2021
3-Month 		8.54"
(216.92mm)		 10.67"
(271.02mm)		 -2.13"
(-54.10mm)		 28th Driest
Driest since:
 1986
101st Wettest
Wettest since:
 1948
Mar–Jun 2021
4-Month 		13.01"
(330.45mm)		 14.65"
(372.11mm)		 -1.64"
(-41.66mm)		 39th Driest
Driest since:
 1986
90th Wettest
Wettest since:
 1983
Feb–Jun 2021
5-Month 		18.66"
(473.96mm)		 17.70"
(449.58mm)		 0.96"
(24.38mm)		 82nd Driest
Driest since:
 1976
47th Wettest
Wettest since:
 1983
Jan–Jun 2021
6-Month 		21.00"
(533.40mm)		 21.19"
(538.23mm)		 -0.19"
(-4.83mm)		 69th Driest
Driest since:
 2012
60th Wettest
Wettest since:
 1948
Dec 2020–Jun 2021
7-Month 		27.02"
(686.31mm)		 24.65"
(626.11mm)		 2.37"
(60.20mm)		 90th Driest
Driest since:
 1986
38th Wettest
Wettest since:
 1948, 1979
Nov 2020–Jun 2021
8-Month 		32.86"
(834.64mm)		 27.71"
(703.83mm)		 5.15"
(130.81mm)		 106th Driest
Driest since:
 1977
22nd Wettest
Wettest since:
 1948
Oct 2020–Jun 2021
9-Month 		38.14"
(968.76mm)		 30.87"
(784.10mm)		 7.27"
(184.66mm)		 109th Driest
Driest since:
 1986
19th Wettest
Wettest since:
 2003
Sep 2020–Jun 2021
10-Month 		42.49"
(1,079.25mm)		 34.46"
(875.28mm)		 8.03"
(203.97mm)		 113th Driest
Driest since:
 2002
15th Wettest
Wettest since:
 2003
Aug 2020–Jun 2021
11-Month 		51.34"
(1,304.04mm)		 39.04"
(991.62mm)		 12.30"
(312.42mm)		 123rd Driest
Driest since:
 1985
5th Wettest
Wettest since:
 1972
Jul 2020–Jun 2021
12-Month 		57.71"
(1,465.83mm)		 43.33"
(1,100.58mm)		 14.38"
(365.25mm)		 127th Driest
Driest since:
 1969
1st Wettest
Wettest to Date
 2021
Jan 2020–Jun 2021
18-Month 		76.92"
(1,953.77mm)		 64.47"
(1,637.54mm)		 12.45"
(316.23mm)		 117th Driest
Driest since:
 1931
11th Wettest
Wettest since:
 2019
Jul 2019–Jun 2021
24-Month 		94.37"
(2,397.00mm)		 86.54"
(2,198.12mm)		 7.83"
(198.88mm)		 95th Driest
Driest since:
 1931
32nd Wettest
Wettest since:
 2019
Jul 2018–Jun 2021
36-Month 		151.56"
(3,849.62mm)		 129.87"
(3,298.70mm)		 21.69"
(550.92mm)		 121st Driest
Driest since:
 1966
5th Wettest
Wettest since:
 1937
Jul 2017–Jun 2021
48-Month 		203.16"
(5,160.26mm)		 173.13"
(4,397.50mm)		 30.03"
(762.76mm)		 122nd Driest
Driest since:
 1966
3rd Wettest
Wettest since:
 1937
Jul 2016–Jun 2021
60-Month 		247.64"
(6,290.06mm)		 216.27"
(5,493.26mm)		 31.37"
(796.80mm)		 120th Driest
Driest since:
 1967
4th Wettest
Wettest since:
 1939

Citing This Page