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 1938

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
August 1938
1-Month 		3.02"
(76.71mm)		 4.59"
(116.59mm)		 -1.57"
(-39.88mm)		 39th Driest
Driest since:
 2008
90th Wettest
Wettest since:
 1967
Ties: 1963
Jul–Aug 1938
2-Month 		13.74"
(349.00mm)		 8.90"
(226.06mm)		 4.84"
(122.94mm)		 117th Driest
Driest since:
 1966
12th Wettest
Wettest since:
 1919
Ties: 2011
Jun–Aug 1938
3-Month 		18.66"
(473.96mm)		 12.54"
(318.52mm)		 6.12"
(155.44mm)		 121st Driest
Driest since:
 1966
8th Wettest
Wettest since:
 2013
May–Aug 1938
4-Month 		22.46"
(570.48mm)		 16.10"
(408.94mm)		 6.36"
(161.54mm)		 118th Driest
Driest since:
 1964
11th Wettest
Wettest since:
 1919
Apr–Aug 1938
5-Month 		24.47"
(621.54mm)		 19.58"
(497.33mm)		 4.89"
(124.21mm)		 111th Driest
Driest since:
 1957
18th Wettest
Wettest since:
 1919
Mar–Aug 1938
6-Month 		27.36"
(694.94mm)		 23.55"
(598.17mm)		 3.81"
(96.77mm)		 99th Driest
Driest since:
 1930
30th Wettest
Wettest since:
 1989
Feb–Aug 1938
7-Month 		30.23"
(767.84mm)		 26.60"
(675.64mm)		 3.63"
(92.20mm)		 97th Driest
Driest since:
 1930
32nd Wettest
Wettest since:
 1958
Jan–Aug 1938
8-Month 		33.22"
(843.79mm)		 30.09"
(764.29mm)		 3.13"
(79.50mm)		 94th Driest
Driest since:
 1930
35th Wettest
Wettest since:
 1958
Dec 1937–Aug 1938
9-Month 		34.48"
(875.79mm)		 33.55"
(852.17mm)		 0.93"
(23.62mm)		 74th Driest
Driest since:
 1930
54th Wettest
Wettest since:
 1958
Nov 1937–Aug 1938
10-Month 		38.71"
(983.23mm)		 36.62"
(930.15mm)		 2.09"
(53.08mm)		 78th Driest
Driest since:
 1977
50th Wettest
Wettest since:
 1958
Oct 1937–Aug 1938
11-Month 		44.66"
(1,134.36mm)		 39.77"
(1,010.16mm)		 4.89"
(124.20mm)		 96th Driest
Driest since:
 1966
32nd Wettest
Wettest since:
 1958
Sep 1937–Aug 1938
12-Month 		46.25"
(1,174.75mm)		 43.36"
(1,101.34mm)		 2.89"
(73.41mm)		 85th Driest
Driest since:
 1966
43rd Wettest
Wettest since:
 1958
Mar 1937–Aug 1938
18-Month 		74.50"
(1,892.30mm)		 66.82"
(1,697.23mm)		 7.68"
(195.07mm)		 99th Driest
Driest since:
 1966
29th Wettest
Wettest since:
 1984
Sep 1936–Aug 1938
24-Month 		99.48"
(2,526.79mm)		 86.56"
(2,198.62mm)		 12.92"
(328.17mm)		 115th Driest
Driest since:
 1966
12th Wettest
Wettest since:
 2004
Sep 1935–Aug 1938
36-Month 		154.98"
(3,936.49mm)		 129.84"
(3,297.94mm)		 25.14"
(638.55mm)		 123rd Driest
Driest since:
 1966
3rd Wettest
Wettest since:
 2005
Sep 1934–Aug 1938
48-Month 		202.26"
(5,137.40mm)		 173.06"
(4,395.72mm)		 29.20"
(741.68mm)		 123rd Driest
Driest since:
 1966
2nd Wettest
Wettest to Date
 1939
Sep 1933–Aug 1938
60-Month 		245.33"
(6,231.38mm)		 216.24"
(5,492.50mm)		 29.09"
(738.88mm)		 118th Driest
Driest since:
 1966
6th Wettest
Wettest since:
 1937

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