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, September 1928

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
September 1928
1-Month
6.59"
(167.39mm)
3.60"
(91.44mm)
2.99"
(75.95mm)
118th Driest
Driest since:
1941
11th Wettest
Wettest to Date
1935
Aug–Sep 1928
2-Month
15.67"
(398.02mm)
8.19"
(208.03mm)
7.48"
(189.99mm)
128th Driest
Driest since:
2005
1st Wettest
Wettest to Date
1928
Jul–Sep 1928
3-Month
19.89"
(505.21mm)
12.51"
(317.75mm)
7.38"
(187.46mm)
125th Driest
Driest since:
1968
4th Wettest
Wettest since:
1938
Jun–Sep 1928
4-Month
25.02"
(635.51mm)
16.14"
(409.96mm)
8.88"
(225.55mm)
125th Driest
Driest since:
1968
4th Wettest
Wettest to Date
1938
May–Sep 1928
5-Month
27.00"
(685.80mm)
19.70"
(500.38mm)
7.30"
(185.42mm)
117th Driest
Driest since:
1964
12th Wettest
Wettest since:
1989
Apr–Sep 1928
6-Month
32.65"
(829.31mm)
23.18"
(588.77mm)
9.47"
(240.54mm)
126th Driest
Driest since:
1986
3rd Wettest
Wettest since:
1989
Mar–Sep 1928
7-Month
35.39"
(898.91mm)
27.16"
(689.86mm)
8.23"
(209.05mm)
123rd Driest
Driest since:
1986
6th Wettest
Wettest since:
1989
Feb–Sep 1928
8-Month
38.29"
(972.57mm)
30.20"
(767.08mm)
8.09"
(205.49mm)
117th Driest
Driest since:
1930
12th Wettest
Wettest since:
1989
Jan–Sep 1928
9-Month
40.96"
(1,040.38mm)
33.69"
(855.73mm)
7.27"
(184.65mm)
113th Driest
Driest since:
1930
16th Wettest
Wettest since:
1989
Dec 1927–Sep 1928
10-Month
45.11"
(1,145.79mm)
37.15"
(943.61mm)
7.96"
(202.18mm)
114th Driest
Driest since:
1986
14th Wettest
Wettest since:
1958
Nov 1927–Sep 1928
11-Month
47.88"
(1,216.15mm)
40.22"
(1,021.59mm)
7.66"
(194.56mm)
113th Driest
Driest since:
1930
15th Wettest
Wettest since:
1958
Oct 1927–Sep 1928
12-Month
52.51"
(1,333.75mm)
43.37"
(1,101.60mm)
9.14"
(232.15mm)
116th Driest
Driest since:
1986
12th Wettest
Wettest to Date
2003
Ties: 1938
Apr 1927–Sep 1928
18-Month
73.70"
(1,871.98mm)
66.48"
(1,688.59mm)
7.22"
(183.39mm)
96th Driest
Driest since:
1966
32nd Wettest
Wettest since:
2010
Oct 1926–Sep 1928
24-Month
90.58"
(2,300.73mm)
86.63"
(2,200.40mm)
3.95"
(100.33mm)
75th Driest
Driest since:
1966
52nd Wettest
Wettest since:
2004
Oct 1925–Sep 1928
36-Month
134.70"
(3,421.38mm)
129.92"
(3,299.97mm)
4.78"
(121.41mm)
76th Driest
Driest since:
1966
50th Wettest
Wettest since:
1935
Oct 1924–Sep 1928
48-Month
166.19"
(4,221.23mm)
173.15"
(4,398.01mm)
-6.96"
(-176.78mm)
29th Driest
Driest since:
1966
96th Wettest
Wettest since:
1936
Oct 1923–Sep 1928
60-Month
217.27"
(5,518.66mm)
216.34"
(5,495.04mm)
0.93"
(23.62mm)
54th Driest
Driest since:
1966
70th Wettest
Wettest since:
1937

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