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 1900

View Period (Months):
Download: CSV JSON XML
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
April 1900
1-Month 		1.53"
(38.86mm)		 3.64"
(92.46mm)		 -2.11"
(-53.60mm)		 3rd Driest
Driest to Date
 1946
126th Wettest
Wettest since:
 2011
Mar–Apr 1900
2-Month 		5.12"
(130.05mm)		 7.14"
(181.36mm)		 -2.02"
(-51.31mm)		 15th Driest
Driest to Date
 1915
114th Wettest
Wettest since:
 2011
Feb–Apr 1900
3-Month 		9.20"
(233.68mm)		 9.73"
(247.14mm)		 -0.53"
(-13.46mm)		 52nd Driest
Driest since:
 1941
77th Wettest
Wettest since:
 2011
Jan–Apr 1900
4-Month 		12.01"
(305.05mm)		 12.78"
(324.61mm)		 -0.77"
(-19.56mm)		 54th Driest
Driest since:
 1941
75th Wettest
Wettest since:
 2011
Ties: 2014
Dec 1899–Apr 1900
5-Month 		15.12"
(384.05mm)		 15.88"
(403.35mm)		 -0.76"
(-19.30mm)		 53rd Driest
Driest since:
 1941
75th Wettest
Wettest since:
 2011
Nov 1899–Apr 1900
6-Month 		17.94"
(455.68mm)		 19.09"
(484.89mm)		 -1.15"
(-29.21mm)		 50th Driest
Driest since:
 1931
78th Wettest
Wettest since:
 1952
Oct 1899–Apr 1900
7-Month 		19.67"
(499.62mm)		 22.27"
(565.66mm)		 -2.60"
(-66.04mm)		 31st Driest
Driest since:
 1925
97th Wettest
Wettest since:
 2011
Sep 1899–Apr 1900
8-Month 		24.10"
(612.14mm)		 25.83"
(656.08mm)		 -1.73"
(-43.94mm)		 38th Driest
Driest since:
 1931
90th Wettest
Wettest since:
 2019
Aug 1899–Apr 1900
9-Month 		27.71"
(703.83mm)		 29.69"
(754.13mm)		 -1.98"
(-50.30mm)		 40th Driest
Driest since:
 1931
88th Wettest
Wettest since:
 2019
Jul 1899–Apr 1900
10-Month 		31.46"
(799.08mm)		 33.89"
(860.81mm)		 -2.43"
(-61.73mm)		 36th Driest
Driest since:
 1931
92nd Wettest
Wettest since:
 2019
Jun 1899–Apr 1900
11-Month 		35.15"
(892.81mm)		 38.05"
(966.47mm)		 -2.90"
(-73.66mm)		 29th Driest
Driest since:
 1931
99th Wettest
Wettest since:
 2019
May 1899–Apr 1900
12-Month 		39.29"
(997.97mm)		 41.95"
(1,065.53mm)		 -2.66"
(-67.56mm)		 34th Driest
Driest since:
 1931
94th Wettest
Wettest since:
 2019
Nov 1898–Apr 1900
18-Month 		59.30"
(1,506.22mm)		 61.03"
(1,550.16mm)		 -1.73"
(-43.94mm)		 43rd Driest
Driest since:
 1931
84th Wettest
Wettest since:
 2019
May 1898–Apr 1900
24-Month 		84.05"
(2,134.87mm)		 83.91"
(2,131.31mm)		 0.14"
(3.56mm)		 55th Driest
Driest since:
 1966
72nd Wettest
Wettest since:
 2020
May 1897–Apr 1900
36-Month 		127.59"
(3,240.79mm)		 125.93"
(3,198.62mm)		 1.66"
(42.17mm)		 59th Driest
Driest since:
 1967
67th Wettest
Wettest since:
 2020
May 1896–Apr 1900
48-Month 		168.17"
(4,271.52mm)		 167.93"
(4,265.42mm)		 0.24"
(6.10mm)		 54th Driest
Driest since:
 1966
71st Wettest
Wettest to Date
 2020
May 1895–Apr 1900
60-Month 		202.11"
(5,133.59mm)		 209.83"
(5,329.68mm)		 -7.72"
(-196.09mm)		 21st Driest
Driest to Date
 1967
103rd Wettest
Wettest to Date
 2022

Citing This Page