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 2010

View Period (Months):
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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
October 2010
1-Month
5.64"
(143.26mm)
3.13"
(79.50mm)
2.51"
(63.76mm)
114th Driest
Driest since:
1963
15th Wettest
Wettest since:
2012
Sep–Oct 2010
2-Month
9.35"
(237.49mm)
6.73"
(170.94mm)
2.62"
(66.55mm)
104th Driest
Driest since:
1941
25th Wettest
Wettest since:
1935
Aug–Oct 2010
3-Month
12.73"
(323.34mm)
11.33"
(287.78mm)
1.40"
(35.56mm)
85th Driest
Driest since:
1930
44th Wettest
Wettest since:
2009
Jul–Oct 2010
4-Month
17.02"
(432.31mm)
15.64"
(397.26mm)
1.38"
(35.05mm)
81st Driest
Driest since:
1968
48th Wettest
Wettest since:
2020
Jun–Oct 2010
5-Month
19.15"
(486.41mm)
19.27"
(489.46mm)
-0.12"
(-3.05mm)
66th Driest
Driest since:
1921
63rd Wettest
Wettest since:
1989
Ties: 1901
May–Oct 2010
6-Month
21.36"
(542.54mm)
22.83"
(579.88mm)
-1.47"
(-37.34mm)
47th Driest
Driest since:
1964
82nd Wettest
Wettest since:
1989
Apr–Oct 2010
7-Month
23.27"
(591.06mm)
26.31"
(668.27mm)
-3.04"
(-77.21mm)
32nd Driest
Driest since:
1930
97th Wettest
Wettest since:
1989
Mar–Oct 2010
8-Month
29.73"
(755.14mm)
30.29"
(769.37mm)
-0.56"
(-14.23mm)
56th Driest
Driest since:
1930
73rd Wettest
Wettest since:
1989
Ties: 1915
Feb–Oct 2010
9-Month
33.58"
(852.93mm)
33.33"
(846.58mm)
0.25"
(6.35mm)
67th Driest
Driest since:
1930
62nd Wettest
Wettest since:
1989
Jan–Oct 2010
10-Month
36.43"
(925.32mm)
36.82"
(935.23mm)
-0.39"
(-9.91mm)
61st Driest
Driest since:
1930
68th Wettest
Wettest since:
1989
Dec 2009–Oct 2010
11-Month
44.14"
(1,121.16mm)
40.29"
(1,023.37mm)
3.85"
(97.79mm)
91st Driest
Driest since:
1930
37th Wettest
Wettest since:
1958
Ties: 1972
Nov 2009–Oct 2010
12-Month
48.69"
(1,236.73mm)
43.35"
(1,101.09mm)
5.34"
(135.64mm)
95th Driest
Driest since:
1930
33rd Wettest
Wettest since:
1958
May 2009–Oct 2010
18-Month
81.91"
(2,080.51mm)
66.15"
(1,680.21mm)
15.76"
(400.30mm)
127th Driest
Driest since:
1930
1st Wettest
Wettest to Date
2010
Nov 2008–Oct 2010
24-Month
102.35"
(2,599.69mm)
86.62"
(2,200.15mm)
15.73"
(399.54mm)
122nd Driest
Driest since:
1930
5th Wettest
Wettest since:
1979
Nov 2007–Oct 2010
36-Month
141.11"
(3,584.19mm)
129.89"
(3,299.21mm)
11.22"
(284.98mm)
103rd Driest
Driest since:
1931
23rd Wettest
Wettest since:
1937
Nov 2006–Oct 2010
48-Month
180.93"
(4,595.62mm)
173.11"
(4,396.99mm)
7.82"
(198.63mm)
84th Driest
Driest since:
1966
41st Wettest
Wettest since:
1938
Nov 2005–Oct 2010
60-Month
227.32"
(5,773.93mm)
216.32"
(5,494.53mm)
11.00"
(279.40mm)
93rd Driest
Driest since:
1966
31st Wettest
Wettest since:
1937

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