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, October 1931

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1931
1-Month
2.58"
(65.53mm)
3.13"
(79.50mm)
-0.55"
(-13.97mm)
47th Driest
Driest since:
1963
82nd Wettest
Wettest since:
2012
Sep–Oct 1931
2-Month
4.90"
(124.46mm)
6.73"
(170.94mm)
-1.83"
(-46.48mm)
26th Driest
Driest since:
1941
103rd Wettest
Wettest since:
1935
Ties: 1918
Aug–Oct 1931
3-Month
13.65"
(346.71mm)
11.33"
(287.78mm)
2.32"
(58.93mm)
95th Driest
Driest since:
1930
34th Wettest
Wettest since:
2009
Jul–Oct 1931
4-Month
16.98"
(431.29mm)
15.64"
(397.26mm)
1.34"
(34.03mm)
80th Driest
Driest since:
1968
49th Wettest
Wettest since:
2020
Jun–Oct 1931
5-Month
20.64"
(524.26mm)
19.27"
(489.46mm)
1.37"
(34.80mm)
75th Driest
Driest since:
1921
54th Wettest
Wettest since:
1989
Ties: 1897
May–Oct 1931
6-Month
24.31"
(617.47mm)
22.83"
(579.88mm)
1.48"
(37.59mm)
80th Driest
Driest since:
1964
49th Wettest
Wettest since:
1989
Apr–Oct 1931
7-Month
27.21"
(691.13mm)
26.31"
(668.27mm)
0.90"
(22.86mm)
73rd Driest
Driest since:
1930
56th Wettest
Wettest since:
1989
Mar–Oct 1931
8-Month
32.19"
(817.63mm)
30.29"
(769.37mm)
1.90"
(48.26mm)
83rd Driest
Driest since:
1930
46th Wettest
Wettest since:
1989
Ties: 1999
Feb–Oct 1931
9-Month
33.70"
(855.98mm)
33.33"
(846.58mm)
0.37"
(9.40mm)
70th Driest
Driest since:
1930
59th Wettest
Wettest since:
1989
Ties: 1990
Jan–Oct 1931
10-Month
35.58"
(903.73mm)
36.82"
(935.23mm)
-1.24"
(-31.50mm)
53rd Driest
Driest since:
1930
76th Wettest
Wettest since:
1989
Dec 1930–Oct 1931
11-Month
37.65"
(956.31mm)
40.29"
(1,023.37mm)
-2.64"
(-67.06mm)
42nd Driest
Driest since:
1930
86th Wettest
Wettest since:
1958
Nov 1930–Oct 1931
12-Month
39.54"
(1,004.32mm)
43.35"
(1,101.09mm)
-3.81"
(-96.77mm)
36th Driest
Driest since:
1930
92nd Wettest
Wettest since:
1958
May 1930–Oct 1931
18-Month
53.75"
(1,365.25mm)
66.15"
(1,680.21mm)
-12.40"
(-314.96mm)
6th Driest
Driest since:
1930
122nd Wettest
Wettest since:
2010
Nov 1929–Oct 1931
24-Month
67.97"
(1,726.44mm)
86.62"
(2,200.15mm)
-18.65"
(-473.71mm)
2nd Driest
Driest since:
1930
125th Wettest
Wettest since:
1979
Nov 1928–Oct 1931
36-Month
106.76"
(2,711.70mm)
129.89"
(3,299.21mm)
-23.13"
(-587.51mm)
1st Driest
Driest since:
1931
125th Wettest
Wettest since:
1937
Nov 1927–Oct 1931
48-Month
155.58"
(3,951.73mm)
173.11"
(4,396.99mm)
-17.53"
(-445.26mm)
9th Driest
Driest since:
1966
116th Wettest
Wettest since:
1938
Nov 1926–Oct 1931
60-Month
195.65"
(4,969.51mm)
216.32"
(5,494.53mm)
-20.67"
(-525.02mm)
6th Driest
Driest since:
1966
118th Wettest
Wettest since:
1937

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