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.

Pennsylvania

Precipitation Rankings, April 1965

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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
April 1965
1-Month 		2.39"
(60.71mm)		 3.64"
(92.46mm)		 -1.25"
(-31.75mm)		 22nd Driest
Driest since:
 1946
107th Wettest
Wettest since:
 2011
Mar–Apr 1965
2-Month 		5.85"
(148.59mm)		 7.13"
(181.10mm)		 -1.28"
(-32.51mm)		 33rd Driest
Driest since:
 1915
96th Wettest
Wettest since:
 2011
Feb–Apr 1965
3-Month 		8.46"
(214.88mm)		 9.73"
(247.14mm)		 -1.27"
(-32.26mm)		 35th Driest
Driest since:
 1941
94th Wettest
Wettest since:
 2011
Ties: 1931
Jan–Apr 1965
4-Month 		11.98"
(304.29mm)		 12.78"
(324.61mm)		 -0.80"
(-20.32mm)		 53rd Driest
Driest since:
 1941
76th Wettest
Wettest since:
 2011
Dec 1964–Apr 1965
5-Month 		15.72"
(399.29mm)		 15.88"
(403.35mm)		 -0.16"
(-4.06mm)		 64th Driest
Driest since:
 1941
64th Wettest
Wettest since:
 2011
Nov 1964–Apr 1965
6-Month 		18.09"
(459.49mm)		 19.09"
(484.89mm)		 -1.00"
(-25.40mm)		 54th Driest
Driest since:
 1931
74th Wettest
Wettest since:
 1952
Oct 1964–Apr 1965
7-Month 		19.43"
(493.52mm)		 22.27"
(565.66mm)		 -2.84"
(-72.14mm)		 25th Driest
Driest since:
 1925
103rd Wettest
Wettest since:
 2011
Sep 1964–Apr 1965
8-Month 		21.22"
(538.99mm)		 25.83"
(656.08mm)		 -4.61"
(-117.09mm)		 11th Driest
Driest since:
 1931
117th Wettest
Wettest since:
 2019
Aug 1964–Apr 1965
9-Month 		24.28"
(616.71mm)		 29.69"
(754.13mm)		 -5.41"
(-137.42mm)		 3rd Driest
Driest since:
 1931
125th Wettest
Wettest since:
 2019
Jul 1964–Apr 1965
10-Month 		27.90"
(708.66mm)		 33.89"
(860.81mm)		 -5.99"
(-152.15mm)		 5th Driest
Driest since:
 1931
123rd Wettest
Wettest since:
 2019
Jun 1964–Apr 1965
11-Month 		31.43"
(798.32mm)		 38.05"
(966.47mm)		 -6.62"
(-168.15mm)		 5th Driest
Driest since:
 1931
123rd Wettest
Wettest since:
 2019
May 1964–Apr 1965
12-Month 		32.98"
(837.69mm)		 41.95"
(1,065.53mm)		 -8.97"
(-227.84mm)		 3rd Driest
Driest since:
 1931
125th Wettest
Wettest since:
 2019
Nov 1963–Apr 1965
18-Month 		56.14"
(1,425.96mm)		 61.03"
(1,550.16mm)		 -4.89"
(-124.20mm)		 18th Driest
Driest since:
 1931
109th Wettest
Wettest since:
 2019
Ties: 1911
May 1963–Apr 1965
24-Month 		71.01"
(1,803.65mm)		 83.91"
(2,131.31mm)		 -12.90"
(-327.66mm)		 5th Driest
Driest since:
 1966
122nd Wettest
Wettest since:
 2020
May 1962–Apr 1965
36-Month 		104.98"
(2,666.49mm)		 125.93"
(3,198.62mm)		 -20.95"
(-532.13mm)		 2nd Driest
Driest since:
 1967
124th Wettest
Wettest since:
 2020
May 1961–Apr 1965
48-Month 		143.90"
(3,655.06mm)		 167.93"
(4,265.42mm)		 -24.03"
(-610.36mm)		 4th Driest
Driest since:
 1966
121st Wettest
Wettest since:
 2020
May 1960–Apr 1965
60-Month 		187.53"
(4,763.26mm)		 209.83"
(5,329.68mm)		 -22.30"
(-566.42mm)		 6th Driest
Driest since:
 1967
118th Wettest
Wettest since:
 2022

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