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 1964

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 1964
1-Month
4.43"
(112.52mm)
3.60"
(91.44mm)
0.83"
(21.08mm)
96th Driest
Driest since:
1941
33rd Wettest
Wettest since:
1935
Aug–Sep 1964
2-Month
5.89"
(149.61mm)
8.19"
(208.03mm)
-2.30"
(-58.42mm)
31st Driest
Driest since:
2005
98th Wettest
Wettest since:
1928
Jul–Sep 1964
3-Month
9.28"
(235.71mm)
12.50"
(317.50mm)
-3.22"
(-81.79mm)
27th Driest
Driest since:
1968
102nd Wettest
Wettest since:
1938
Jun–Sep 1964
4-Month
10.64"
(270.26mm)
16.14"
(409.96mm)
-5.50"
(-139.70mm)
7th Driest
Driest since:
1968
122nd Wettest
Wettest since:
1938
May–Sep 1964
5-Month
11.03"
(280.16mm)
19.70"
(500.38mm)
-8.67"
(-220.22mm)
1st Driest
Driest since:
1964
128th Wettest
Wettest since:
1989
Apr–Sep 1964
6-Month
16.22"
(411.99mm)
23.18"
(588.77mm)
-6.96"
(-176.78mm)
6th Driest
Driest since:
1986
123rd Wettest
Wettest since:
1989
Mar–Sep 1964
7-Month
19.16"
(486.66mm)
27.16"
(689.86mm)
-8.00"
(-203.20mm)
4th Driest
Driest since:
1986
125th Wettest
Wettest since:
1989
Feb–Sep 1964
8-Month
23.68"
(601.47mm)
30.20"
(767.08mm)
-6.52"
(-165.61mm)
14th Driest
Driest since:
1930
115th Wettest
Wettest since:
1989
Jan–Sep 1964
9-Month
28.10"
(713.74mm)
33.69"
(855.73mm)
-5.59"
(-141.99mm)
19th Driest
Driest since:
1930
110th Wettest
Wettest since:
1989
Dec 1963–Sep 1964
10-Month
30.28"
(769.11mm)
37.15"
(943.61mm)
-6.87"
(-174.50mm)
18th Driest
Driest since:
1986
110th Wettest
Wettest since:
1958
Nov 1963–Sep 1964
11-Month
36.53"
(927.86mm)
40.22"
(1,021.59mm)
-3.69"
(-93.73mm)
40th Driest
Driest since:
1930
88th Wettest
Wettest since:
1958
Oct 1963–Sep 1964
12-Month
36.65"
(930.91mm)
43.37"
(1,101.60mm)
-6.72"
(-170.69mm)
17th Driest
Driest since:
1986
111th Wettest
Wettest since:
2003
Apr 1963–Sep 1964
18-Month
53.92"
(1,369.57mm)
66.48"
(1,688.59mm)
-12.56"
(-319.02mm)
6th Driest
Driest since:
1966
122nd Wettest
Wettest since:
2010
Oct 1962–Sep 1964
24-Month
73.88"
(1,876.55mm)
86.63"
(2,200.40mm)
-12.75"
(-323.85mm)
8th Driest
Driest since:
1966
119th Wettest
Wettest since:
2004
Oct 1961–Sep 1964
36-Month
113.04"
(2,871.22mm)
129.92"
(3,299.97mm)
-16.88"
(-428.75mm)
8th Driest
Driest since:
1966
118th Wettest
Wettest since:
1935
Oct 1960–Sep 1964
48-Month
155.89"
(3,959.61mm)
173.15"
(4,398.01mm)
-17.26"
(-438.40mm)
9th Driest
Driest since:
1966
116th Wettest
Wettest since:
1936
Oct 1959–Sep 1964
60-Month
204.58"
(5,196.33mm)
216.34"
(5,495.04mm)
-11.76"
(-298.71mm)
20th Driest
Driest since:
1966
104th Wettest
Wettest since:
1937

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