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 1930

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
April 1930
1-Month
2.93"
(74.42mm)
3.64"
(92.46mm)
-0.71"
(-18.04mm)
39th Driest
Driest since:
1946
90th Wettest
Wettest since:
2011
Mar–Apr 1930
2-Month
6.00"
(152.40mm)
7.14"
(181.36mm)
-1.14"
(-28.96mm)
38th Driest
Driest since:
1915
91st Wettest
Wettest since:
2011
Ties: 1981
Feb–Apr 1930
3-Month
8.56"
(217.42mm)
9.73"
(247.14mm)
-1.17"
(-29.72mm)
41st Driest
Driest since:
1941
88th Wettest
Wettest since:
2011
Jan–Apr 1930
4-Month
10.96"
(278.38mm)
12.78"
(324.61mm)
-1.82"
(-46.23mm)
26th Driest
Driest since:
1941
103rd Wettest
Wettest since:
2011
Dec 1929–Apr 1930
5-Month
13.80"
(350.52mm)
15.88"
(403.35mm)
-2.08"
(-52.83mm)
25th Driest
Driest since:
1941
103rd Wettest
Wettest since:
2011
Nov 1929–Apr 1930
6-Month
17.23"
(437.64mm)
19.09"
(484.89mm)
-1.86"
(-47.25mm)
37th Driest
Driest since:
1931
91st Wettest
Wettest since:
1952
Oct 1929–Apr 1930
7-Month
22.93"
(582.42mm)
22.27"
(565.66mm)
0.66"
(16.76mm)
73rd Driest
Driest since:
1925
55th Wettest
Wettest since:
2011
Sep 1929–Apr 1930
8-Month
26.65"
(676.91mm)
25.83"
(656.08mm)
0.82"
(20.83mm)
74th Driest
Driest since:
1931
54th Wettest
Wettest since:
2019
Aug 1929–Apr 1930
9-Month
29.02"
(737.11mm)
29.69"
(754.13mm)
-0.67"
(-17.02mm)
56th Driest
Driest since:
1931
72nd Wettest
Wettest since:
2019
Jul 1929–Apr 1930
10-Month
32.07"
(814.58mm)
33.89"
(860.81mm)
-1.82"
(-46.23mm)
42nd Driest
Driest since:
1931
86th Wettest
Wettest since:
2019
Jun 1929–Apr 1930
11-Month
35.59"
(903.99mm)
38.05"
(966.47mm)
-2.46"
(-62.48mm)
37th Driest
Driest since:
1931
91st Wettest
Wettest since:
2019
May 1929–Apr 1930
12-Month
40.62"
(1,031.75mm)
41.95"
(1,065.53mm)
-1.33"
(-33.78mm)
45th Driest
Driest since:
1931
83rd Wettest
Wettest since:
2019
Nov 1928–Apr 1930
18-Month
59.60"
(1,513.84mm)
61.03"
(1,550.16mm)
-1.43"
(-36.32mm)
49th Driest
Driest since:
1931
78th Wettest
Wettest since:
2019
May 1928–Apr 1930
24-Month
83.80"
(2,128.52mm)
83.91"
(2,131.31mm)
-0.11"
(-2.79mm)
53rd Driest
Driest since:
1966
74th Wettest
Wettest since:
2020
May 1927–Apr 1930
36-Month
132.27"
(3,359.66mm)
125.93"
(3,198.62mm)
6.34"
(161.04mm)
89th Driest
Driest since:
1967
37th Wettest
Wettest since:
2020
Ties: 1986
May 1926–Apr 1930
48-Month
177.38"
(4,505.45mm)
167.93"
(4,265.42mm)
9.45"
(240.03mm)
93rd Driest
Driest since:
1966
32nd Wettest
Wettest since:
2020
May 1925–Apr 1930
60-Month
216.05"
(5,487.67mm)
209.83"
(5,329.68mm)
6.22"
(157.99mm)
76th Driest
Driest since:
1967
48th Wettest
Wettest since:
2022

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