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 1989

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
October 1989
1-Month
3.99"
(101.35mm)
3.13"
(79.50mm)
0.86"
(21.85mm)
86th Driest
Driest since:
1963
43rd Wettest
Wettest since:
2012
Sep–Oct 1989
2-Month
9.56"
(242.82mm)
6.73"
(170.94mm)
2.83"
(71.88mm)
106th Driest
Driest since:
1941
23rd Wettest
Wettest since:
1935
Aug–Oct 1989
3-Month
14.90"
(378.46mm)
11.33"
(287.78mm)
3.57"
(90.68mm)
107th Driest
Driest since:
1930
22nd Wettest
Wettest since:
2009
Jul–Oct 1989
4-Month
23.32"
(592.33mm)
15.64"
(397.26mm)
7.68"
(195.07mm)
125th Driest
Driest since:
1968
4th Wettest
Wettest since:
2020
Jun–Oct 1989
5-Month
29.97"
(761.24mm)
19.27"
(489.46mm)
10.70"
(271.78mm)
128th Driest
Driest since:
1921
1st Wettest
Wettest to Date
1989
May–Oct 1989
6-Month
35.05"
(890.27mm)
22.83"
(579.88mm)
12.22"
(310.39mm)
128th Driest
Driest since:
1964
1st Wettest
Wettest to Date
1989
Apr–Oct 1989
7-Month
40.03"
(1,016.76mm)
26.31"
(668.27mm)
13.72"
(348.49mm)
128th Driest
Driest since:
1930
1st Wettest
Wettest to Date
1989
Mar–Oct 1989
8-Month
46.41"
(1,178.81mm)
30.29"
(769.37mm)
16.12"
(409.44mm)
128th Driest
Driest since:
1930
1st Wettest
Wettest to Date
1989
Feb–Oct 1989
9-Month
49.72"
(1,262.89mm)
33.33"
(846.58mm)
16.39"
(416.31mm)
128th Driest
Driest since:
1930
1st Wettest
Wettest to Date
1989
Jan–Oct 1989
10-Month
52.38"
(1,330.45mm)
36.82"
(935.23mm)
15.56"
(395.22mm)
128th Driest
Driest since:
1930
1st Wettest
Wettest to Date
1989
Dec 1988–Oct 1989
11-Month
53.10"
(1,348.74mm)
40.29"
(1,023.37mm)
12.81"
(325.37mm)
125th Driest
Driest since:
1930
3rd Wettest
Wettest since:
1958
Nov 1988–Oct 1989
12-Month
58.04"
(1,474.22mm)
43.35"
(1,101.09mm)
14.69"
(373.13mm)
126th Driest
Driest since:
1930
2nd Wettest
Wettest since:
1958
May 1988–Oct 1989
18-Month
78.09"
(1,983.49mm)
66.15"
(1,680.21mm)
11.94"
(303.28mm)
114th Driest
Driest since:
1930
14th Wettest
Wettest since:
2010
Ties: 1920
Nov 1987–Oct 1989
24-Month
97.43"
(2,474.72mm)
86.62"
(2,200.15mm)
10.81"
(274.57mm)
106th Driest
Driest since:
1930
21st Wettest
Wettest since:
1979
Nov 1986–Oct 1989
36-Month
138.71"
(3,523.23mm)
129.89"
(3,299.21mm)
8.82"
(224.02mm)
90th Driest
Driest since:
1931
36th Wettest
Wettest since:
1937
Nov 1985–Oct 1989
48-Month
169.77"
(4,312.16mm)
173.11"
(4,396.99mm)
-3.34"
(-84.83mm)
41st Driest
Driest since:
1966
84th Wettest
Wettest since:
1938
Ties: 1956
Nov 1984–Oct 1989
60-Month
208.01"
(5,283.45mm)
216.32"
(5,494.53mm)
-8.31"
(-211.08mm)
26th Driest
Driest since:
1966
98th Wettest
Wettest since:
1937

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