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 1968

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1968
1-Month 		1.76"
(44.70mm)		 3.60"
(91.44mm)		 -1.84"
(-46.74mm)		 18th Driest
Driest since:
 1941
111th Wettest
Wettest since:
 1935
Aug–Sep 1968
2-Month 		3.44"
(87.38mm)		 8.19"
(208.03mm)		 -4.75"
(-120.65mm)		 2nd Driest
Driest since:
 2005
127th Wettest
Wettest since:
 1928
Jul–Sep 1968
3-Month 		5.47"
(138.94mm)		 12.51"
(317.75mm)		 -7.04"
(-178.81mm)		 1st Driest
Driest since:
 1968
128th Wettest
Wettest since:
 1938
Jun–Sep 1968
4-Month 		9.07"
(230.38mm)		 16.14"
(409.96mm)		 -7.07"
(-179.58mm)		 1st Driest
Driest since:
 1968
128th Wettest
Wettest since:
 1938
May–Sep 1968
5-Month 		13.32"
(338.33mm)		 19.70"
(500.38mm)		 -6.38"
(-162.05mm)		 5th Driest
Driest since:
 1964
124th Wettest
Wettest since:
 1989
Ties: 1925
Apr–Sep 1968
6-Month 		15.04"
(382.02mm)		 23.18"
(588.77mm)		 -8.14"
(-206.75mm)		 3rd Driest
Driest since:
 1986
126th Wettest
Wettest since:
 1989
Mar–Sep 1968
7-Month 		19.80"
(502.92mm)		 27.16"
(689.86mm)		 -7.36"
(-186.94mm)		 8th Driest
Driest since:
 1986
121st Wettest
Wettest since:
 1989
Feb–Sep 1968
8-Month 		20.95"
(532.13mm)		 30.20"
(767.08mm)		 -9.25"
(-234.95mm)		 4th Driest
Driest since:
 1930
125th Wettest
Wettest since:
 1989
Jan–Sep 1968
9-Month 		23.18"
(588.77mm)		 33.69"
(855.73mm)		 -10.51"
(-266.96mm)		 3rd Driest
Driest since:
 1930
126th Wettest
Wettest since:
 1989
Dec 1967–Sep 1968
10-Month 		28.80"
(731.52mm)		 37.15"
(943.61mm)		 -8.35"
(-212.09mm)		 7th Driest
Driest since:
 1986
121st Wettest
Wettest since:
 1958
Nov 1967–Sep 1968
11-Month 		30.80"
(782.32mm)		 40.22"
(1,021.59mm)		 -9.42"
(-239.27mm)		 6th Driest
Driest since:
 1930
122nd Wettest
Wettest since:
 1958
Oct 1967–Sep 1968
12-Month 		32.91"
(835.91mm)		 43.37"
(1,101.60mm)		 -10.46"
(-265.69mm)		 6th Driest
Driest since:
 1986
122nd Wettest
Wettest since:
 2003
Apr 1967–Sep 1968
18-Month 		63.05"
(1,601.47mm)		 66.48"
(1,688.59mm)		 -3.43"
(-87.12mm)		 50th Driest
Driest since:
 1966
78th Wettest
Wettest since:
 2010
Oct 1966–Sep 1968
24-Month 		80.91"
(2,055.11mm)		 86.63"
(2,200.40mm)		 -5.72"
(-145.29mm)		 33rd Driest
Driest since:
 1966
94th Wettest
Wettest since:
 2004
Oct 1965–Sep 1968
36-Month 		112.78"
(2,864.61mm)		 129.92"
(3,299.97mm)		 -17.14"
(-435.36mm)		 7th Driest
Driest since:
 1966
119th Wettest
Wettest since:
 1935
Oct 1964–Sep 1968
48-Month 		147.23"
(3,739.64mm)		 173.15"
(4,398.01mm)		 -25.92"
(-658.37mm)		 3rd Driest
Driest since:
 1966
122nd Wettest
Wettest since:
 1936
Oct 1963–Sep 1968
60-Month 		183.88"
(4,670.55mm)		 216.34"
(5,495.04mm)		 -32.46"
(-824.49mm)		 2nd Driest
Driest since:
 1966
122nd Wettest
Wettest since:
 1937

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