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 1930

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 1930
1-Month
1.47"
(37.34mm)
3.13"
(79.50mm)
-1.66"
(-42.16mm)
17th Driest
Driest since:
1963
112th Wettest
Wettest since:
2012
Sep–Oct 1930
2-Month
3.79"
(96.27mm)
6.73"
(170.94mm)
-2.94"
(-74.67mm)
9th Driest
Driest since:
1941
120th Wettest
Wettest since:
1935
Aug–Oct 1930
3-Month
5.42"
(137.67mm)
11.33"
(287.78mm)
-5.91"
(-150.11mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
2009
Jul–Oct 1930
4-Month
8.84"
(224.54mm)
15.64"
(397.26mm)
-6.80"
(-172.72mm)
2nd Driest
Driest since:
1968
127th Wettest
Wettest since:
2020
Jun–Oct 1930
5-Month
11.64"
(295.66mm)
19.27"
(489.46mm)
-7.63"
(-193.80mm)
2nd Driest
Driest since:
1921
127th Wettest
Wettest since:
1989
May–Oct 1930
6-Month
14.21"
(360.93mm)
22.83"
(579.88mm)
-8.62"
(-218.95mm)
2nd Driest
Driest since:
1964
127th Wettest
Wettest since:
1989
Apr–Oct 1930
7-Month
16.12"
(409.45mm)
26.31"
(668.27mm)
-10.19"
(-258.82mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
1989
Mar–Oct 1930
8-Month
17.98"
(456.69mm)
30.29"
(769.37mm)
-12.31"
(-312.68mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
1989
Feb–Oct 1930
9-Month
19.93"
(506.22mm)
33.33"
(846.58mm)
-13.40"
(-340.36mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
1989
Jan–Oct 1930
10-Month
23.41"
(594.61mm)
36.82"
(935.23mm)
-13.41"
(-340.62mm)
1st Driest
Driest since:
1930
128th Wettest
Wettest since:
1989
Dec 1929–Oct 1930
11-Month
25.92"
(658.37mm)
40.29"
(1,023.37mm)
-14.37"
(-365.00mm)
1st Driest
Driest since:
1930
127th Wettest
Wettest since:
1958
Nov 1929–Oct 1930
12-Month
28.43"
(722.12mm)
43.35"
(1,101.09mm)
-14.92"
(-378.97mm)
1st Driest
Driest since:
1930
127th Wettest
Wettest since:
1958
May 1929–Oct 1930
18-Month
46.40"
(1,178.56mm)
66.15"
(1,680.21mm)
-19.75"
(-501.65mm)
1st Driest
Driest since:
1930
127th Wettest
Wettest since:
2010
Nov 1928–Oct 1930
24-Month
67.22"
(1,707.39mm)
86.62"
(2,200.15mm)
-19.40"
(-492.76mm)
1st Driest
Driest since:
1930
126th Wettest
Wettest since:
1979
Nov 1927–Oct 1930
36-Month
116.04"
(2,947.42mm)
129.89"
(3,299.21mm)
-13.85"
(-351.79mm)
13th Driest
Driest since:
1931
113th Wettest
Wettest since:
1937
Nov 1926–Oct 1930
48-Month
156.11"
(3,965.19mm)
173.11"
(4,396.99mm)
-17.00"
(-431.80mm)
11th Driest
Driest since:
1966
114th Wettest
Wettest since:
1938
Nov 1925–Oct 1930
60-Month
198.71"
(5,047.23mm)
216.32"
(5,494.53mm)
-17.61"
(-447.30mm)
10th Driest
Driest since:
1966
114th Wettest
Wettest since:
1937

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