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 1902

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1902
1-Month
1.93"
(49.02mm)
3.56"
(90.42mm)
-1.63"
(-41.40mm)
22nd Driest
Driest since:
1964
107th Wettest
Wettest since:
1948
Apr–May 1902
2-Month
5.88"
(149.35mm)
7.04"
(178.82mm)
-1.16"
(-29.47mm)
43rd Driest
Driest since:
1942
86th Wettest
Wettest since:
1948
Mar–May 1902
3-Month
9.16"
(232.66mm)
11.01"
(279.65mm)
-1.85"
(-46.99mm)
30th Driest
Driest since:
1986
99th Wettest
Wettest since:
1983
Ties: 2015
Feb–May 1902
4-Month
14.24"
(361.70mm)
14.06"
(357.12mm)
0.18"
(4.58mm)
73rd Driest
Driest since:
2006
56th Wettest
Wettest since:
1983
Jan–May 1902
5-Month
17.93"
(455.42mm)
17.55"
(445.77mm)
0.38"
(9.65mm)
81st Driest
Driest since:
2012
48th Wettest
Wettest since:
1948
Ties: 1913
Dec 1901–May 1902
6-Month
24.07"
(611.38mm)
21.01"
(533.65mm)
3.06"
(77.73mm)
106th Driest
Driest since:
1986
22nd Wettest
Wettest to Date
1984
Nov 1901–May 1902
7-Month
26.35"
(669.29mm)
24.08"
(611.63mm)
2.27"
(57.66mm)
92nd Driest
Driest since:
1977
36th Wettest
Wettest since:
1984
Oct 1901–May 1902
8-Month
28.05"
(712.47mm)
27.23"
(691.64mm)
0.82"
(20.83mm)
78th Driest
Driest since:
2002
50th Wettest
Wettest since:
1984
Ties: 1920
Sep 1901–May 1902
9-Month
30.94"
(785.88mm)
30.82"
(782.83mm)
0.12"
(3.05mm)
76th Driest
Driest since:
2002
52nd Wettest
Wettest since:
1984
Aug 1901–May 1902
10-Month
37.68"
(957.07mm)
35.40"
(899.16mm)
2.28"
(57.91mm)
80th Driest
Driest since:
1985
48th Wettest
Wettest since:
2010
Jul 1901–May 1902
11-Month
43.25"
(1,098.55mm)
39.69"
(1,008.13mm)
3.56"
(90.42mm)
83rd Driest
Driest since:
1931
45th Wettest
Wettest to Date
2021
Jun 1901–May 1902
12-Month
45.50"
(1,155.70mm)
43.32"
(1,100.33mm)
2.18"
(55.37mm)
77th Driest
Driest since:
1965
51st Wettest
Wettest to Date
2010
Dec 1900–May 1902
18-Month
63.42"
(1,610.87mm)
64.29"
(1,632.97mm)
-0.87"
(-22.10mm)
56th Driest
Driest since:
1931
71st Wettest
Wettest since:
1949
Jun 1900–May 1902
24-Month
84.47"
(2,145.54mm)
86.54"
(2,198.12mm)
-2.07"
(-52.58mm)
49th Driest
Driest since:
1931
78th Wettest
Wettest since:
2019
Jun 1899–May 1902
36-Month
121.64"
(3,089.66mm)
129.85"
(3,298.19mm)
-8.21"
(-208.53mm)
25th Driest
Driest since:
1967
101st Wettest
Wettest since:
2005
Jun 1898–May 1902
48-Month
166.14"
(4,219.96mm)
173.12"
(4,397.25mm)
-6.98"
(-177.29mm)
29th Driest
Driest since:
1966
96th Wettest
Wettest to Date
1939
Jun 1897–May 1902
60-Month
210.77"
(5,353.56mm)
216.25"
(5,492.75mm)
-5.48"
(-139.19mm)
35th Driest
Driest since:
1967
89th Wettest
Wettest to Date
1939

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