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 1902

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  • Record Wettest
PeriodValue1901-2000
Mean		AnomalyRank
(1895-2023)		Wettest/Driest
Since		Record
April 1902
1-Month		3.42"
(86.87mm)		3.64"
(92.46mm)		-0.22"
(-5.59mm)		60th Driest
Driest since:
1946
70th Wettest
Wettest since:
2011
Mar–Apr 1902
2-Month		7.49"
(190.25mm)		7.14"
(181.36mm)		0.35"
(8.89mm)		82nd Driest
Driest since:
1915
48th Wettest
Wettest since:
2011
Ties: 1914
Feb–Apr 1902
3-Month		11.04"
(280.42mm)		9.73"
(247.14mm)		1.31"
(33.28mm)		97th Driest
Driest since:
1941
33rd Wettest
Wettest to Date
2011
Jan–Apr 1902
4-Month		13.83"
(351.28mm)		12.78"
(324.61mm)		1.05"
(26.67mm)		90th Driest
Driest since:
1941
40th Wettest
Wettest since:
2011
Dec 1901–Apr 1902
5-Month		19.65"
(499.11mm)		15.88"
(403.35mm)		3.77"
(95.76mm)		118th Driest
Driest since:
1941
11th Wettest
Wettest to Date
2011
Nov 1901–Apr 1902
6-Month		22.28"
(565.91mm)		19.09"
(484.89mm)		3.19"
(81.02mm)		108th Driest
Driest since:
1931
21st Wettest
Wettest since:
1952
Oct 1901–Apr 1902
7-Month		23.41"
(594.61mm)		22.27"
(565.66mm)		1.14"
(28.95mm)		81st Driest
Driest since:
1925
48th Wettest
Wettest since:
2011
Sep 1901–Apr 1902
8-Month		26.83"
(681.48mm)		25.83"
(656.08mm)		1.00"
(25.40mm)		76th Driest
Driest since:
1931
53rd Wettest
Wettest since:
2019
Aug 1901–Apr 1902
9-Month		33.82"
(859.03mm)		29.69"
(754.13mm)		4.13"
(104.90mm)		105th Driest
Driest since:
1931
24th Wettest
Wettest to Date
2019
Jul 1901–Apr 1902
10-Month		37.87"
(961.90mm)		33.89"
(860.81mm)		3.98"
(101.09mm)		104th Driest
Driest since:
1931
25th Wettest
Wettest to Date
2019
Jun 1901–Apr 1902
11-Month		41.80"
(1,061.72mm)		38.05"
(966.47mm)		3.75"
(95.25mm)		100th Driest
Driest since:
1931
29th Wettest
Wettest to Date
2019
May 1901–Apr 1902
12-Month		47.52"
(1,207.01mm)		41.95"
(1,065.53mm)		5.57"
(141.48mm)		109th Driest
Driest since:
1931
20th Wettest
Wettest to Date
2019
Nov 1900–Apr 1902
18-Month		67.25"
(1,708.15mm)		61.03"
(1,550.16mm)		6.22"
(157.99mm)		105th Driest
Driest since:
1931
23rd Wettest
Wettest since:
2019
May 1900–Apr 1902
24-Month		86.34"
(2,193.04mm)		83.91"
(2,131.31mm)		2.43"
(61.73mm)		74th Driest
Driest since:
1966
54th Wettest
Wettest since:
2020
May 1899–Apr 1902
36-Month		125.63"
(3,191.00mm)		125.93"
(3,198.62mm)		-0.30"
(-7.62mm)		47th Driest
Driest since:
1967
80th Wettest
Wettest since:
2020
May 1898–Apr 1902
48-Month		170.39"
(4,327.91mm)		167.93"
(4,265.42mm)		2.46"
(62.49mm)		64th Driest
Driest since:
1966
62nd Wettest
Wettest to Date
2020
May 1897–Apr 1902
60-Month		213.93"
(5,433.82mm)		209.83"
(5,329.68mm)		4.10"
(104.14mm)		70th Driest
Driest since:
1967
55th Wettest
Wettest to Date
2022

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