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, March 2020

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
March 2020
1-Month		4.27"
(108.46mm)		3.49"
(88.65mm)		0.78"
(19.81mm)		100th Driest
Driest since:
1910
30th Wettest
Wettest since:
1936
Ties: 1904
Feb–Mar 2020
2-Month		7.62"
(193.55mm)		6.09"
(154.69mm)		1.53"
(38.86mm)		112th Driest
Driest since:
1969
18th Wettest
Wettest since:
2008
Ties: 1902
Jan–Mar 2020
3-Month		10.67"
(271.02mm)		9.14"
(232.16mm)		1.53"
(38.86mm)		103rd Driest
Driest since:
1969
27th Wettest
Wettest since:
1936
Ties: 1907
Dec 2019–Mar 2020
4-Month		14.38"
(365.25mm)		12.24"
(310.90mm)		2.14"
(54.35mm)		103rd Driest
Driest since:
1969
26th Wettest
Wettest since:
1903
Nov 2019–Mar 2020
5-Month		16.82"
(427.23mm)		15.45"
(392.43mm)		1.37"
(34.80mm)		90th Driest
Driest since:
1931
39th Wettest
Wettest since:
1951
Oct 2019–Mar 2020
6-Month		22.43"
(569.72mm)		18.62"
(472.95mm)		3.81"
(96.77mm)		111th Driest
Driest since:
1931
18th Wettest
Wettest since:
2008
Sep 2019–Mar 2020
7-Month		24.56"
(623.82mm)		22.18"
(563.37mm)		2.38"
(60.45mm)		93rd Driest
Driest since:
1931
36th Wettest
Wettest since:
2019
Aug 2019–Mar 2020
8-Month		28.27"
(718.06mm)		26.05"
(661.67mm)		2.22"
(56.39mm)		91st Driest
Driest since:
1931
38th Wettest
Wettest since:
2019
Jul 2019–Mar 2020
9-Month		33.89"
(860.81mm)		30.25"
(768.35mm)		3.64"
(92.46mm)		100th Driest
Driest since:
1931
29th Wettest
Wettest since:
2019
Jun 2019–Mar 2020
10-Month		39.71"
(1,008.63mm)		34.40"
(873.76mm)		5.31"
(134.87mm)		109th Driest
Driest since:
1931
20th Wettest
Wettest since:
2019
May 2019–Mar 2020
11-Month		46.23"
(1,174.24mm)		38.31"
(973.07mm)		7.92"
(201.17mm)		120th Driest
Driest since:
1931
9th Wettest
Wettest since:
2019
Apr 2019–Mar 2020
12-Month		50.76"
(1,289.30mm)		41.93"
(1,065.02mm)		8.83"
(224.28mm)		122nd Driest
Driest since:
1931
7th Wettest
Wettest since:
2019
Oct 2018–Mar 2020
18-Month		76.05"
(1,931.67mm)		60.56"
(1,538.22mm)		15.49"
(393.45mm)		123rd Driest
Driest since:
1931
5th Wettest
Wettest since:
2019
Apr 2018–Mar 2020
24-Month		113.69"
(2,887.73mm)		83.86"
(2,130.04mm)		29.83"
(757.69mm)		127th Driest
Driest since:
1967
1st Wettest
Wettest to Date
2020
Apr 2017–Mar 2020
36-Month		162.10"
(4,117.34mm)		125.85"
(3,196.59mm)		36.25"
(920.75mm)		126th Driest
Driest since:
1966
1st Wettest
Wettest to Date
2020
Apr 2016–Mar 2020
48-Month		202.81"
(5,151.37mm)		167.87"
(4,263.90mm)		34.94"
(887.47mm)		125th Driest
Driest since:
1967
1st Wettest
Wettest to Date
2020
Apr 2015–Mar 2020
60-Month		247.05"
(6,275.07mm)		209.74"
(5,327.40mm)		37.31"
(947.67mm)		123rd Driest
Driest since:
1967
2nd Wettest
Wettest to Date
2022

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