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 1979

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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
June 1979
1-Month 		4.73"
(120.14mm)		 3.64"
(92.46mm)		 1.09"
(27.68mm)		 98th Driest
Driest since:
 1988
31st Wettest
Wettest since:
 2006
May–Jun 1979
2-Month 		8.84"
(224.54mm)		 7.19"
(182.63mm)		 1.65"
(41.91mm)		 98th Driest
Driest since:
 1964
31st Wettest
Wettest since:
 1948
Apr–Jun 1979
3-Month 		12.22"
(310.39mm)		 10.67"
(271.02mm)		 1.55"
(39.37mm)		 87th Driest
Driest since:
 1986
42nd Wettest
Wettest since:
 1948
Mar–Jun 1979
4-Month 		15.84"
(402.34mm)		 14.65"
(372.11mm)		 1.19"
(30.23mm)		 87th Driest
Driest since:
 1986
42nd Wettest
Wettest since:
 1983
Feb–Jun 1979
5-Month 		22.15"
(562.61mm)		 17.70"
(449.58mm)		 4.45"
(113.03mm)		 116th Driest
Driest since:
 1976
13th Wettest
Wettest since:
 1983
Jan–Jun 1979
6-Month 		29.67"
(753.62mm)		 21.19"
(538.23mm)		 8.48"
(215.39mm)		 126th Driest
Driest since:
 2012
3rd Wettest
Wettest since:
 1948
Dec 1978–Jun 1979
7-Month 		34.16"
(867.66mm)		 24.65"
(626.11mm)		 9.51"
(241.55mm)		 127th Driest
Driest since:
 1986
1st Wettest
Wettest since:
 1948, 1979
Ties: 1948
Nov 1978–Jun 1979
8-Month 		37.41"
(950.21mm)		 27.71"
(703.83mm)		 9.70"
(246.38mm)		 122nd Driest
Driest since:
 1977
6th Wettest
Wettest since:
 1948
Oct 1978–Jun 1979
9-Month 		38.95"
(989.33mm)		 30.87"
(784.10mm)		 8.08"
(205.23mm)		 116th Driest
Driest since:
 1986
12th Wettest
Wettest since:
 2003
Sep 1978–Jun 1979
10-Month 		40.05"
(1,017.27mm)		 34.46"
(875.28mm)		 5.59"
(141.99mm)		 104th Driest
Driest since:
 2002
24th Wettest
Wettest since:
 2003
Aug 1978–Jun 1979
11-Month 		45.86"
(1,164.84mm)		 39.04"
(991.62mm)		 6.82"
(173.22mm)		 109th Driest
Driest since:
 1985
19th Wettest
Wettest since:
 1972
Jul 1978–Jun 1979
12-Month 		50.90"
(1,292.86mm)		 43.33"
(1,100.58mm)		 7.57"
(192.28mm)		 111th Driest
Driest since:
 1969
17th Wettest
Wettest since:
 2021
Jan 1978–Jun 1979
18-Month 		76.06"
(1,931.92mm)		 64.47"
(1,637.54mm)		 11.59"
(294.38mm)		 116th Driest
Driest since:
 1931
12th Wettest
Wettest since:
 2019
Jul 1977–Jun 1979
24-Month 		102.16"
(2,594.86mm)		 86.54"
(2,198.12mm)		 15.62"
(396.74mm)		 121st Driest
Driest since:
 1931
6th Wettest
Wettest since:
 2019
Jul 1976–Jun 1979
36-Month 		139.88"
(3,552.95mm)		 129.87"
(3,298.70mm)		 10.01"
(254.25mm)		 105th Driest
Driest since:
 1966
21st Wettest
Wettest since:
 1937
Jul 1975–Jun 1979
48-Month 		182.54"
(4,636.52mm)		 173.13"
(4,397.50mm)		 9.41"
(239.02mm)		 90th Driest
Driest since:
 1966
35th Wettest
Wettest since:
 1937
Jul 1974–Jun 1979
60-Month 		227.20"
(5,770.88mm)		 216.27"
(5,493.26mm)		 10.93"
(277.62mm)		 90th Driest
Driest since:
 1967
34th Wettest
Wettest since:
 1939
Ties: 2001

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