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 1977

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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 1977
1-Month 		3.42"
(86.87mm)		 3.64"
(92.46mm)		 -0.22"
(-5.59mm)		 61st Driest
Driest since:
 1988
68th Wettest
Wettest since:
 2006
May–Jun 1977
2-Month 		5.10"
(129.54mm)		 7.19"
(182.63mm)		 -2.09"
(-53.09mm)		 19th Driest
Driest since:
 1964
110th Wettest
Wettest since:
 1948
Ties: 1942
Apr–Jun 1977
3-Month 		7.79"
(197.87mm)		 10.67"
(271.02mm)		 -2.88"
(-73.15mm)		 17th Driest
Driest since:
 1986
112th Wettest
Wettest since:
 1948
Mar–Jun 1977
4-Month 		10.38"
(263.65mm)		 14.65"
(372.11mm)		 -4.27"
(-108.46mm)		 10th Driest
Driest since:
 1986
119th Wettest
Wettest since:
 1983
Feb–Jun 1977
5-Month 		11.99"
(304.55mm)		 17.70"
(449.58mm)		 -5.71"
(-145.03mm)		 7th Driest
Driest since:
 1976
122nd Wettest
Wettest since:
 1983
Jan–Jun 1977
6-Month 		14.40"
(365.76mm)		 21.19"
(538.23mm)		 -6.79"
(-172.47mm)		 3rd Driest
Driest since:
 2012
126th Wettest
Wettest since:
 1948
Ties: 1959
Dec 1976–Jun 1977
7-Month 		17.10"
(434.34mm)		 24.65"
(626.11mm)		 -7.55"
(-191.77mm)		 6th Driest
Driest since:
 1986
122nd Wettest
Wettest since:
 1948, 1979
Nov 1976–Jun 1977
8-Month 		18.10"
(459.74mm)		 27.71"
(703.83mm)		 -9.61"
(-244.09mm)		 1st Driest
Driest since:
 1977
127th Wettest
Wettest since:
 1948
Oct 1976–Jun 1977
9-Month 		25.97"
(659.64mm)		 30.87"
(784.10mm)		 -4.90"
(-124.46mm)		 23rd Driest
Driest since:
 1986
105th Wettest
Wettest since:
 2003
Sep 1976–Jun 1977
10-Month 		29.44"
(747.78mm)		 34.46"
(875.28mm)		 -5.02"
(-127.50mm)		 20th Driest
Driest since:
 2002
108th Wettest
Wettest since:
 2003
Aug 1976–Jun 1977
11-Month 		33.66"
(854.96mm)		 39.04"
(991.62mm)		 -5.38"
(-136.66mm)		 23rd Driest
Driest since:
 1985
105th Wettest
Wettest since:
 1972
Jul 1976–Jun 1977
12-Month 		37.72"
(958.09mm)		 43.33"
(1,100.58mm)		 -5.61"
(-142.49mm)		 27th Driest
Driest since:
 1969
101st Wettest
Wettest since:
 2021
Jan 1976–Jun 1977
18-Month 		52.83"
(1,341.88mm)		 64.47"
(1,637.54mm)		 -11.64"
(-295.66mm)		 6th Driest
Driest since:
 1931
122nd Wettest
Wettest since:
 2019
Jul 1975–Jun 1977
24-Month 		80.38"
(2,041.65mm)		 86.54"
(2,198.12mm)		 -6.16"
(-156.47mm)		 28th Driest
Driest since:
 1931
99th Wettest
Wettest since:
 2019
Jul 1974–Jun 1977
36-Month 		125.04"
(3,176.02mm)		 129.87"
(3,298.70mm)		 -4.83"
(-122.68mm)		 32nd Driest
Driest since:
 1966
94th Wettest
Wettest since:
 1937
Jul 1973–Jun 1977
48-Month 		168.06"
(4,268.72mm)		 173.13"
(4,397.50mm)		 -5.07"
(-128.78mm)		 36th Driest
Driest since:
 1966
89th Wettest
Wettest since:
 1937
Jul 1972–Jun 1977
60-Month 		215.67"
(5,478.02mm)		 216.27"
(5,493.26mm)		 -0.60"
(-15.24mm)		 51st Driest
Driest since:
 1967
73rd Wettest
Wettest since:
 1939

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