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 1980

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1980
1-Month
2.84"
(72.14mm)
3.60"
(91.44mm)
-0.76"
(-19.30mm)
51st Driest
Driest since:
1941
78th Wettest
Wettest since:
1935
Aug–Sep 1980
2-Month
5.40"
(137.16mm)
8.19"
(208.03mm)
-2.79"
(-70.87mm)
22nd Driest
Driest since:
2005
107th Wettest
Wettest since:
1928
Ties: 2008
Jul–Sep 1980
3-Month
8.26"
(209.80mm)
12.50"
(317.50mm)
-4.24"
(-107.70mm)
14th Driest
Driest since:
1968
115th Wettest
Wettest since:
1938
Jun–Sep 1980
4-Month
11.99"
(304.55mm)
16.14"
(409.96mm)
-4.15"
(-105.41mm)
19th Driest
Driest since:
1968
110th Wettest
Wettest since:
1938
May–Sep 1980
5-Month
14.38"
(365.25mm)
19.70"
(500.38mm)
-5.32"
(-135.13mm)
14th Driest
Driest since:
1964
115th Wettest
Wettest since:
1989
Apr–Sep 1980
6-Month
19.35"
(491.49mm)
23.18"
(588.77mm)
-3.83"
(-97.28mm)
24th Driest
Driest since:
1986
105th Wettest
Wettest since:
1989
Mar–Sep 1980
7-Month
25.54"
(648.72mm)
27.16"
(689.86mm)
-1.62"
(-41.14mm)
53rd Driest
Driest since:
1986
76th Wettest
Wettest since:
1989
Feb–Sep 1980
8-Month
26.61"
(675.89mm)
30.20"
(767.08mm)
-3.59"
(-91.19mm)
31st Driest
Driest since:
1930
98th Wettest
Wettest since:
1989
Jan–Sep 1980
9-Month
29.74"
(755.40mm)
33.69"
(855.73mm)
-3.95"
(-100.33mm)
31st Driest
Driest since:
1930
98th Wettest
Wettest since:
1989
Dec 1979–Sep 1980
10-Month
31.35"
(796.29mm)
37.15"
(943.61mm)
-5.80"
(-147.32mm)
22nd Driest
Driest since:
1986
106th Wettest
Wettest since:
1958
Nov 1979–Sep 1980
11-Month
35.42"
(899.67mm)
40.22"
(1,021.59mm)
-4.80"
(-121.92mm)
32nd Driest
Driest since:
1930
96th Wettest
Wettest since:
1958
Oct 1979–Sep 1980
12-Month
39.42"
(1,001.27mm)
43.37"
(1,101.60mm)
-3.95"
(-100.33mm)
36th Driest
Driest since:
1986
92nd Wettest
Wettest since:
2003
Apr 1979–Sep 1980
18-Month
67.93"
(1,725.42mm)
66.48"
(1,688.59mm)
1.45"
(36.83mm)
67th Driest
Driest since:
1966
61st Wettest
Wettest since:
2010
Oct 1978–Sep 1980
24-Month
94.66"
(2,404.36mm)
86.63"
(2,200.40mm)
8.03"
(203.96mm)
99th Driest
Driest since:
1966
28th Wettest
Wettest since:
2004
Ties: 1946
Oct 1977–Sep 1980
36-Month
147.91"
(3,756.91mm)
129.92"
(3,299.97mm)
17.99"
(456.94mm)
118th Driest
Driest since:
1966
8th Wettest
Wettest since:
1935
Oct 1976–Sep 1980
48-Month
183.84"
(4,669.54mm)
173.15"
(4,398.01mm)
10.69"
(271.53mm)
99th Driest
Driest since:
1966
26th Wettest
Wettest since:
1936
Ties: 1908
Oct 1975–Sep 1980
60-Month
220.31"
(5,595.87mm)
216.34"
(5,495.04mm)
3.97"
(100.83mm)
66th Driest
Driest since:
1966
58th Wettest
Wettest since:
1937

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