Pennsylvania, Precipitation Rankings, May 2011
1901-2000
Inches
1
5.70
3.93
1.77
109
20
1964
1989
2010
1990
top-third
2
13.76
7.57
6.19
128
1
1926
2011
2010
2011
highest
3
19.55
11.06
8.49
128
1
1926
2011
2010
2011
highest
4
23.28
13.66
9.62
128
1
1941
2011
2010
2011
highest
5
25.18
16.71
8.47
128
1
1941
2011
2010
2011
highest
6
28.62
19.81
8.81
127
1
1941
2011
2010
2011
highest
7
31.91
23.02
8.89
125
3
1934
1952
2010
1952
top-tenth
8
37.06
26.19
10.87
127
1
1925
2011
2010
2011
highest
9
40.47
29.75
10.72
126
2
1941
2019
2010
2011
top-tenth
10
43.58
33.62
9.96
124
4
1931
2019
2010
2004
top-tenth
11
48.22
37.82
10.40
125
3
1931
2019
2010
2004
top-tenth
12
51.85
41.97
9.88
123
5
1931
2019
2010
2005
top-tenth
18
71.88
61.76
10.12
118
9
1931
2019
2010
2005
top-tenth
24
95.90
83.91
11.99
117
10
1931
2019
2010
2008
top-tenth
1952
36
136.15
125.93
10.22
98
28
1965
2020
2010
2009
top-third
48
183.89
167.92
15.97
109
16
1966
2020
2010
2008
top-third
60
233.45
209.84
23.61
115
9
1967
2022
2010
2008
top-tenth