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, October 1964

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
October 1964
1-Month 		2.40"
(60.96mm)		 3.13"
(79.50mm)		 -0.73"
(-18.54mm)		 42nd Driest
Driest since:
 1963
87th Wettest
Wettest since:
 2012
Sep–Oct 1964
2-Month 		6.83"
(173.48mm)		 6.73"
(170.94mm)		 0.10"
(2.54mm)		 71st Driest
Driest since:
 1941
58th Wettest
Wettest since:
 1935
Aug–Oct 1964
3-Month 		8.29"
(210.57mm)		 11.33"
(287.78mm)		 -3.04"
(-77.21mm)		 21st Driest
Driest since:
 1930
108th Wettest
Wettest since:
 2009
Jul–Oct 1964
4-Month 		11.68"
(296.67mm)		 15.64"
(397.26mm)		 -3.96"
(-100.59mm)		 16th Driest
Driest since:
 1968
113th Wettest
Wettest since:
 2020
Jun–Oct 1964
5-Month 		13.04"
(331.22mm)		 19.27"
(489.46mm)		 -6.23"
(-158.24mm)		 4th Driest
Driest since:
 1921
125th Wettest
Wettest since:
 1989
May–Oct 1964
6-Month 		13.43"
(341.12mm)		 22.83"
(579.88mm)		 -9.40"
(-238.76mm)		 1st Driest
Driest to Date
 1964
128th Wettest
Wettest since:
 1989
Apr–Oct 1964
7-Month 		18.62"
(472.95mm)		 26.31"
(668.27mm)		 -7.69"
(-195.32mm)		 7th Driest
Driest since:
 1930
122nd Wettest
Wettest since:
 1989
Mar–Oct 1964
8-Month 		21.56"
(547.62mm)		 30.29"
(769.37mm)		 -8.73"
(-221.75mm)		 5th Driest
Driest since:
 1930
124th Wettest
Wettest since:
 1989
Feb–Oct 1964
9-Month 		26.08"
(662.43mm)		 33.33"
(846.58mm)		 -7.25"
(-184.15mm)		 12th Driest
Driest since:
 1930
117th Wettest
Wettest since:
 1989
Jan–Oct 1964
10-Month 		30.50"
(774.70mm)		 36.82"
(935.23mm)		 -6.32"
(-160.53mm)		 15th Driest
Driest since:
 1930
114th Wettest
Wettest since:
 1989
Dec 1963–Oct 1964
11-Month 		32.68"
(830.07mm)		 40.29"
(1,023.37mm)		 -7.61"
(-193.30mm)		 11th Driest
Driest since:
 1930
117th Wettest
Wettest since:
 1958
Ties: 1981
Nov 1963–Oct 1964
12-Month 		38.93"
(988.82mm)		 43.35"
(1,101.09mm)		 -4.42"
(-112.27mm)		 32nd Driest
Driest since:
 1930
96th Wettest
Wettest since:
 1958
May 1963–Oct 1964
18-Month 		55.23"
(1,402.84mm)		 66.15"
(1,680.21mm)		 -10.92"
(-277.37mm)		 7th Driest
Driest since:
 1930
121st Wettest
Wettest since:
 2010
Nov 1962–Oct 1964
24-Month 		75.04"
(1,906.02mm)		 86.62"
(2,200.15mm)		 -11.58"
(-294.13mm)		 13th Driest
Driest since:
 1930
114th Wettest
Wettest since:
 1979
Nov 1961–Oct 1964
36-Month 		110.76"
(2,813.30mm)		 129.89"
(3,299.21mm)		 -19.13"
(-485.91mm)		 6th Driest
Driest since:
 1931
120th Wettest
Wettest since:
 1937
Nov 1960–Oct 1964
48-Month 		154.91"
(3,934.71mm)		 173.11"
(4,396.99mm)		 -18.20"
(-462.28mm)		 7th Driest
Driest since:
 1966
118th Wettest
Wettest since:
 1938
Nov 1959–Oct 1964
60-Month 		202.57"
(5,145.28mm)		 216.32"
(5,494.53mm)		 -13.75"
(-349.25mm)		 14th Driest
Driest since:
 1966
110th Wettest
Wettest since:
 1937

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