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 2022

View Period (Months):
Download: csv json xml
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
April 2022
1-Month 		4.30"
(109.22mm)		 3.64"
(92.46mm)		 0.66"
(16.76mm)		 96th Driest
Driest since:
 1946
33rd Wettest
Wettest since:
 2011
Mar–Apr 2022
2-Month 		7.05"
(179.07mm)		 7.13"
(181.10mm)		 -0.08"
(-2.03mm)		 67th Driest
Driest since:
 1915
62nd Wettest
Wettest since:
 2011
Ties: 2015
Feb–Apr 2022
3-Month 		11.35"
(288.29mm)		 9.73"
(247.14mm)		 1.62"
(41.15mm)		 102nd Driest
Driest since:
 1941
27th Wettest
Wettest since:
 2011
Jan–Apr 2022
4-Month 		13.89"
(352.81mm)		 12.78"
(324.61mm)		 1.11"
(28.20mm)		 90th Driest
Driest since:
 1941
39th Wettest
Wettest since:
 2011
Dec 2021–Apr 2022
5-Month 		16.32"
(414.53mm)		 15.88"
(403.35mm)		 0.44"
(11.18mm)		 74th Driest
Driest since:
 1941
54th Wettest
Wettest since:
 2011
Nov 2021–Apr 2022
6-Month 		18.05"
(458.47mm)		 19.09"
(484.89mm)		 -1.04"
(-26.42mm)		 52nd Driest
Driest since:
 1931
76th Wettest
Wettest since:
 1952
Ties: 1956
Oct 2021–Apr 2022
7-Month 		22.66"
(575.56mm)		 22.26"
(565.40mm)		 0.40"
(10.16mm)		 69th Driest
Driest since:
 1925
59th Wettest
Wettest since:
 2011
Sep 2021–Apr 2022
8-Month 		29.64"
(752.86mm)		 25.83"
(656.08mm)		 3.81"
(96.78mm)		 103rd Driest
Driest since:
 1931
25th Wettest
Wettest since:
 2019
Aug 2021–Apr 2022
9-Month 		35.53"
(902.46mm)		 29.69"
(754.13mm)		 5.84"
(148.33mm)		 115th Driest
Driest since:
 1931
13th Wettest
Wettest since:
 2019
Jul 2021–Apr 2022
10-Month 		41.77"
(1,060.96mm)		 33.89"
(860.81mm)		 7.88"
(200.15mm)		 121st Driest
Driest since:
 1931
7th Wettest
Wettest since:
 2019
Jun 2021–Apr 2022
11-Month 		45.31"
(1,150.87mm)		 38.05"
(966.47mm)		 7.26"
(184.40mm)		 118th Driest
Driest since:
 1931
10th Wettest
Wettest since:
 2019
May 2021–Apr 2022
12-Month 		49.59"
(1,259.59mm)		 41.95"
(1,065.53mm)		 7.64"
(194.06mm)		 117th Driest
Driest since:
 1931
11th Wettest
Wettest since:
 2019
Nov 2020–Apr 2022
18-Month 		67.41"
(1,712.21mm)		 61.03"
(1,550.16mm)		 6.38"
(162.05mm)		 106th Driest
Driest since:
 1931
21st Wettest
Wettest since:
 2019
May 2020–Apr 2022
24-Month 		88.08"
(2,237.23mm)		 83.91"
(2,131.31mm)		 4.17"
(105.92mm)		 89th Driest
Driest since:
 1966
38th Wettest
Wettest since:
 2020
May 2019–Apr 2022
36-Month 		138.82"
(3,526.03mm)		 125.93"
(3,198.62mm)		 12.89"
(327.41mm)		 111th Driest
Driest since:
 1967
15th Wettest
Wettest since:
 2020
May 2018–Apr 2022
48-Month 		202.11"
(5,133.59mm)		 167.93"
(4,265.42mm)		 34.18"
(868.17mm)		 123rd Driest
Driest since:
 1966
2nd Wettest
Wettest since:
 2020
May 2017–Apr 2022
60-Month 		250.37"
(6,359.40mm)		 209.83"
(5,329.68mm)		 40.54"
(1,029.72mm)		 123rd Driest
Driest since:
 1967
1st Wettest
Wettest to Date
 2022

Citing This Page