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, May 1984

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1984
1-Month
7.35"
(186.69mm)
3.56"
(90.42mm)
3.79"
(96.27mm)
126th Driest
Driest since:
1964
3rd Wettest
Wettest since:
1948
Apr–May 1984
2-Month
11.79"
(299.47mm)
7.04"
(178.82mm)
4.75"
(120.65mm)
126th Driest
Driest since:
1942
3rd Wettest
Wettest since:
1948
Mar–May 1984
3-Month
18.67"
(474.22mm)
11.01"
(279.65mm)
7.66"
(194.57mm)
127th Driest
Driest since:
1986
2nd Wettest
Wettest since:
1983
Feb–May 1984
4-Month
22.61"
(574.29mm)
14.06"
(357.12mm)
8.55"
(217.17mm)
127th Driest
Driest since:
2006
2nd Wettest
Wettest since:
1983
Jan–May 1984
5-Month
25.01"
(635.25mm)
17.55"
(445.77mm)
7.46"
(189.48mm)
126th Driest
Driest since:
2012
3rd Wettest
Wettest since:
1948
Dec 1983–May 1984
6-Month
30.89"
(784.61mm)
21.01"
(533.65mm)
9.88"
(250.96mm)
127th Driest
Driest since:
1986
1st Wettest
Wettest to Date
1984
Nov 1983–May 1984
7-Month
36.07"
(916.18mm)
24.08"
(611.63mm)
11.99"
(304.55mm)
127th Driest
Driest since:
1977
1st Wettest
Wettest to Date
1984
Oct 1983–May 1984
8-Month
39.70"
(1,008.38mm)
27.23"
(691.64mm)
12.47"
(316.74mm)
127th Driest
Driest since:
2002
1st Wettest
Wettest to Date
1984
Sep 1983–May 1984
9-Month
43.48"
(1,104.39mm)
30.82"
(782.83mm)
12.66"
(321.56mm)
127th Driest
Driest since:
2002
1st Wettest
Wettest to Date
1984
Aug 1983–May 1984
10-Month
47.55"
(1,207.77mm)
35.41"
(899.41mm)
12.14"
(308.36mm)
125th Driest
Driest since:
1985
3rd Wettest
Wettest to Date
2010
Jul 1983–May 1984
11-Month
49.15"
(1,248.41mm)
39.69"
(1,008.13mm)
9.46"
(240.28mm)
122nd Driest
Driest since:
1931
6th Wettest
Wettest since:
2021
Jun 1983–May 1984
12-Month
53.71"
(1,364.23mm)
43.32"
(1,100.33mm)
10.39"
(263.90mm)
120th Driest
Driest since:
1965
8th Wettest
Wettest since:
2010
Dec 1982–May 1984
18-Month
81.51"
(2,070.35mm)
64.29"
(1,632.97mm)
17.22"
(437.38mm)
125th Driest
Driest since:
1931
2nd Wettest
Wettest since:
1949
Jun 1982–May 1984
24-Month
101.87"
(2,587.50mm)
86.54"
(2,198.12mm)
15.33"
(389.38mm)
120th Driest
Driest since:
1931
7th Wettest
Wettest since:
2019
Jun 1981–May 1984
36-Month
140.47"
(3,567.94mm)
129.85"
(3,298.19mm)
10.62"
(269.75mm)
105th Driest
Driest since:
1967
21st Wettest
Wettest since:
2005
Jun 1980–May 1984
48-Month
176.69"
(4,487.93mm)
173.12"
(4,397.25mm)
3.57"
(90.68mm)
67th Driest
Driest since:
1966
58th Wettest
Wettest since:
1939
Jun 1979–May 1984
60-Month
225.14"
(5,718.56mm)
216.25"
(5,492.75mm)
8.89"
(225.81mm)
82nd Driest
Driest since:
1967
42nd Wettest
Wettest since:
1939

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