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, October 2019

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2022)		Wettest/Driest
Since		Record
October 2019
1-Month		5.61"
(142.49mm)		3.17"
(80.52mm)		2.44"
(61.97mm)		118th Driest
Driest since:
1963
11th Wettest
Wettest since:
1976
Ties: 1943
Sep–Oct 2019
2-Month		7.74"
(196.60mm)		6.75"
(171.45mm)		0.99"
(25.15mm)		84th Driest
Driest since:
1963
45th Wettest
Wettest since:
2011
Aug–Oct 2019
3-Month		11.45"
(290.83mm)		10.62"
(269.75mm)		0.83"
(21.08mm)		78th Driest
Driest since:
1930
51st Wettest
Wettest since:
2011
Jul–Oct 2019
4-Month		17.07"
(433.58mm)		14.81"
(376.17mm)		2.26"
(57.41mm)		95th Driest
Driest since:
1930
34th Wettest
Wettest since:
2018
Jun–Oct 2019
5-Month		22.89"
(581.41mm)		18.98"
(482.09mm)		3.91"
(99.32mm)		108th Driest
Driest since:
1930
21st Wettest
Wettest since:
2018
May–Oct 2019
6-Month		29.41"
(747.01mm)		22.91"
(581.91mm)		6.50"
(165.10mm)		118th Driest
Driest since:
1930
11th Wettest
Wettest since:
2018
Apr–Oct 2019
7-Month		33.94"
(862.08mm)		26.55"
(674.37mm)		7.39"
(187.71mm)		122nd Driest
Driest since:
1963
7th Wettest
Wettest since:
2018
Mar–Oct 2019
8-Month		36.91"
(937.51mm)		30.04"
(763.02mm)		6.87"
(174.49mm)		121st Driest
Driest since:
1930
8th Wettest
Wettest since:
2011
Feb–Oct 2019
9-Month		40.36"
(1,025.14mm)		32.64"
(829.06mm)		7.72"
(196.08mm)		122nd Driest
Driest since:
1963
7th Wettest
Wettest since:
2011
Jan–Oct 2019
10-Month		44.63"
(1,133.60mm)		35.69"
(906.53mm)		8.94"
(227.07mm)		123rd Driest
Driest since:
1963
6th Wettest
Wettest since:
2018
Dec 2018–Oct 2019
11-Month		48.89"
(1,241.81mm)		38.79"
(985.27mm)		10.10"
(256.54mm)		122nd Driest
Driest since:
1963
6th Wettest
Wettest since:
2011
Nov 2018–Oct 2019
12-Month		54.95"
(1,395.73mm)		42.00"
(1,066.80mm)		12.95"
(328.93mm)		124th Driest
Driest since:
1963
4th Wettest
Wettest since:
2011
May 2018–Oct 2019
18-Month		92.70"
(2,354.58mm)		64.86"
(1,647.44mm)		27.84"
(707.14mm)		127th Driest
Driest since:
1963
1st Wettest
Wettest to Date
2019
Nov 2017–Oct 2019
24-Month		113.26"
(2,876.80mm)		83.94"
(2,132.08mm)		29.32"
(744.72mm)		126th Driest
Driest since:
1964
1st Wettest
Wettest to Date
2019
Nov 2016–Oct 2019
36-Month		160.39"
(4,073.91mm)		125.92"
(3,198.37mm)		34.47"
(875.54mm)		125th Driest
Driest since:
1965
1st Wettest
Wettest to Date
2019
Nov 2015–Oct 2019
48-Month		200.44"
(5,091.18mm)		167.91"
(4,264.91mm)		32.53"
(826.27mm)		122nd Driest
Driest since:
1966
3rd Wettest
Wettest to Date
2021
Nov 2014–Oct 2019
60-Month		242.78"
(6,166.61mm)		209.89"
(5,331.21mm)		32.89"
(835.40mm)		121st Driest
Driest since:
1966
3rd Wettest
Wettest to Date
2021

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