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, August 1909

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
August 1909
1-Month
2.61"
(66.29mm)
4.59"
(116.59mm)
-1.98"
(-50.30mm)
25th Driest
Driest since:
2008
104th Wettest
Wettest since:
1967
Jul–Aug 1909
2-Month
4.99"
(126.75mm)
8.90"
(226.06mm)
-3.91"
(-99.31mm)
13th Driest
Driest since:
1966
116th Wettest
Wettest since:
1919
Jun–Aug 1909
3-Month
10.09"
(256.29mm)
12.54"
(318.52mm)
-2.45"
(-62.23mm)
37th Driest
Driest since:
1966
92nd Wettest
Wettest since:
2013
May–Aug 1909
4-Month
13.75"
(349.25mm)
16.10"
(408.94mm)
-2.35"
(-59.69mm)
39th Driest
Driest since:
1964
90th Wettest
Wettest since:
1919
Apr–Aug 1909
5-Month
17.93"
(455.42mm)
19.58"
(497.33mm)
-1.65"
(-41.91mm)
44th Driest
Driest since:
1957
85th Wettest
Wettest since:
1919
Mar–Aug 1909
6-Month
21.73"
(551.94mm)
23.55"
(598.17mm)
-1.82"
(-46.23mm)
48th Driest
Driest since:
1930
81st Wettest
Wettest since:
1989
Feb–Aug 1909
7-Month
25.33"
(643.38mm)
26.60"
(675.64mm)
-1.27"
(-32.26mm)
52nd Driest
Driest since:
1930
77th Wettest
Wettest since:
1958
Jan–Aug 1909
8-Month
28.15"
(715.01mm)
30.09"
(764.29mm)
-1.94"
(-49.28mm)
51st Driest
Driest since:
1930
78th Wettest
Wettest since:
1958
Dec 1908–Aug 1909
9-Month
32.77"
(832.36mm)
33.55"
(852.17mm)
-0.78"
(-19.81mm)
55th Driest
Driest since:
1930
73rd Wettest
Wettest since:
1958
Nov 1908–Aug 1909
10-Month
33.99"
(863.35mm)
36.62"
(930.15mm)
-2.63"
(-66.80mm)
43rd Driest
Driest since:
1977
85th Wettest
Wettest since:
1958
Oct 1908–Aug 1909
11-Month
36.32"
(922.53mm)
39.77"
(1,010.16mm)
-3.45"
(-87.63mm)
36th Driest
Driest since:
1966
92nd Wettest
Wettest since:
1958
Sep 1908–Aug 1909
12-Month
38.77"
(984.76mm)
43.36"
(1,101.34mm)
-4.59"
(-116.58mm)
35th Driest
Driest since:
1966
93rd Wettest
Wettest since:
1958
Mar 1908–Aug 1909
18-Month
61.47"
(1,561.34mm)
66.82"
(1,697.23mm)
-5.35"
(-135.89mm)
31st Driest
Driest since:
1966
97th Wettest
Wettest since:
1984
Sep 1907–Aug 1909
24-Month
88.37"
(2,244.60mm)
86.56"
(2,198.62mm)
1.81"
(45.98mm)
69th Driest
Driest since:
1966
58th Wettest
Wettest since:
2004
Sep 1906–Aug 1909
36-Month
129.61"
(3,292.09mm)
129.84"
(3,297.94mm)
-0.23"
(-5.85mm)
55th Driest
Driest since:
1966
71st Wettest
Wettest since:
2005
Sep 1905–Aug 1909
48-Month
178.95"
(4,545.33mm)
173.06"
(4,395.72mm)
5.89"
(149.61mm)
71st Driest
Driest since:
1966
54th Wettest
Wettest since:
1939
Sep 1904–Aug 1909
60-Month
223.51"
(5,677.15mm)
216.24"
(5,492.50mm)
7.27"
(184.65mm)
79th Driest
Driest since:
1966
45th Wettest
Wettest since:
1937

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