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, November 2020

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
November 2020
1-Month 		2.97"
(75.44mm)		 3.18"
(80.77mm)		 -0.21"
(-5.33mm)		 65th Driest
Driest since:
 1917
64th Wettest
Wettest since:
 1985
Oct–Nov 2020
2-Month 		6.60"
(167.64mm)		 6.35"
(161.29mm)		 0.25"
(6.35mm)		 76th Driest
Driest since:
 1924
53rd Wettest
Wettest since:
 1927
Sep–Nov 2020
3-Month 		9.06"
(230.12mm)		 9.94"
(252.48mm)		 -0.88"
(-22.36mm)		 44th Driest
Driest since:
 1908
85th Wettest
Wettest since:
 2018
Aug–Nov 2020
4-Month 		13.43"
(341.12mm)		 13.80"
(350.52mm)		 -0.37"
(-9.40mm)		 52nd Driest
Driest since:
 1930
77th Wettest
Wettest since:
 2011
Jul–Nov 2020
5-Month 		17.00"
(431.80mm)		 17.99"
(456.95mm)		 -0.99"
(-25.15mm)		 46th Driest
Driest since:
 1930
83rd Wettest
Wettest since:
 2018
Jun–Nov 2020
6-Month 		20.17"
(512.32mm)		 22.16"
(562.86mm)		 -1.99"
(-50.54mm)		 30th Driest
Driest since:
 1930
99th Wettest
Wettest since:
 2018
May–Nov 2020
7-Month 		23.64"
(600.46mm)		 26.09"
(662.69mm)		 -2.45"
(-62.23mm)		 25th Driest
Driest since:
 1930
104th Wettest
Wettest since:
 2018
Ties: 1900
Apr–Nov 2020
8-Month 		28.15"
(715.01mm)		 29.73"
(755.14mm)		 -1.58"
(-40.13mm)		 36th Driest
Driest since:
 1930
93rd Wettest
Wettest since:
 2018
Mar–Nov 2020
9-Month 		32.42"
(823.47mm)		 33.22"
(843.79mm)		 -0.80"
(-20.32mm)		 45th Driest
Driest since:
 1930
84th Wettest
Wettest since:
 2011
Feb–Nov 2020
10-Month 		35.77"
(908.56mm)		 35.82"
(909.83mm)		 -0.05"
(-1.27mm)		 58th Driest
Driest since:
 1930
71st Wettest
Wettest since:
 2018
Jan–Nov 2020
11-Month 		38.82"
(986.03mm)		 38.87"
(987.30mm)		 -0.05"
(-1.27mm)		 57th Driest
Driest since:
 1930
72nd Wettest
Wettest since:
 2018
Dec 2019–Nov 2020
12-Month 		42.53"
(1,080.26mm)		 41.97"
(1,066.04mm)		 0.56"
(14.22mm)		 66th Driest
Driest since:
 1930
62nd Wettest
Wettest since:
 2018
Jun 2019–Nov 2020
18-Month 		67.86"
(1,723.64mm)		 64.13"
(1,628.90mm)		 3.73"
(94.74mm)		 87th Driest
Driest since:
 1931
41st Wettest
Wettest since:
 2019
Dec 2018–Nov 2020
24-Month 		93.86"
(2,384.04mm)		 83.92"
(2,131.57mm)		 9.94"
(252.47mm)		 113th Driest
Driest since:
 1931
14th Wettest
Wettest since:
 2019
Dec 2017–Nov 2020
36-Month 		155.34"
(3,945.64mm)		 125.87"
(3,197.10mm)		 29.47"
(748.54mm)		 124th Driest
Driest since:
 1965
2nd Wettest
Wettest since:
 2019
Dec 2016–Nov 2020
48-Month 		203.87"
(5,178.30mm)		 167.87"
(4,263.90mm)		 36.00"
(914.40mm)		 124th Driest
Driest since:
 1966
1st Wettest
Wettest to Date
 2020
Dec 2015–Nov 2020
60-Month 		243.35"
(6,181.09mm)		 209.85"
(5,330.19mm)		 33.50"
(850.90mm)		 121st Driest
Driest since:
 1966
3rd Wettest
Wettest to Date
 2021

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