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, May 1961

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 1961
1-Month
3.12"
(79.25mm)
3.93"
(99.82mm)
-0.81"
(-20.57mm)
36th Driest
Driest since:
1964
93rd Wettest
Wettest since:
1989
Ties: 1907
Apr–May 1961
2-Month
8.71"
(221.23mm)
7.57"
(192.28mm)
1.14"
(28.95mm)
93rd Driest
Driest since:
1926
36th Wettest
Wettest since:
2011
Mar–May 1961
3-Month
12.54"
(318.52mm)
11.06"
(280.92mm)
1.48"
(37.60mm)
94th Driest
Driest since:
1926
35th Wettest
Wettest since:
2011
Ties: 2000
Feb–May 1961
4-Month
16.04"
(407.42mm)
13.66"
(346.96mm)
2.38"
(60.46mm)
106th Driest
Driest since:
1941
23rd Wettest
Wettest since:
2011
Jan–May 1961
5-Month
18.20"
(462.28mm)
16.71"
(424.43mm)
1.49"
(37.85mm)
91st Driest
Driest since:
1941
38th Wettest
Wettest since:
2011
Dec 1960–May 1961
6-Month
19.96"
(506.98mm)
19.81"
(503.17mm)
0.15"
(3.81mm)
66th Driest
Driest since:
1941
62nd Wettest
Wettest since:
2011
Nov 1960–May 1961
7-Month
21.96"
(557.78mm)
23.02"
(584.71mm)
-1.06"
(-26.93mm)
52nd Driest
Driest since:
1934
76th Wettest
Wettest since:
1952
Oct 1960–May 1961
8-Month
23.55"
(598.17mm)
26.19"
(665.23mm)
-2.64"
(-67.06mm)
29th Driest
Driest since:
1925
99th Wettest
Wettest since:
2011
Sep 1960–May 1961
9-Month
28.41"
(721.61mm)
29.75"
(755.65mm)
-1.34"
(-34.04mm)
44th Driest
Driest since:
1941
84th Wettest
Wettest since:
2019
Aug 1960–May 1961
10-Month
31.61"
(802.89mm)
33.62"
(853.95mm)
-2.01"
(-51.06mm)
37th Driest
Driest since:
1931
91st Wettest
Wettest since:
2019
Jul 1960–May 1961
11-Month
36.28"
(921.51mm)
37.82"
(960.63mm)
-1.54"
(-39.12mm)
45th Driest
Driest since:
1931
83rd Wettest
Wettest since:
2019
Jun 1960–May 1961
12-Month
40.24"
(1,022.10mm)
41.97"
(1,066.04mm)
-1.73"
(-43.94mm)
39th Driest
Driest since:
1931
89th Wettest
Wettest since:
2019
Dec 1959–May 1961
18-Month
61.41"
(1,559.81mm)
61.76"
(1,568.70mm)
-0.35"
(-8.89mm)
57th Driest
Driest since:
1931
70th Wettest
Wettest since:
2019
Jun 1959–May 1961
24-Month
85.44"
(2,170.18mm)
83.91"
(2,131.31mm)
1.53"
(38.87mm)
66th Driest
Driest since:
1931
61st Wettest
Wettest since:
2019
Jun 1958–May 1961
36-Month
126.63"
(3,216.40mm)
125.93"
(3,198.62mm)
0.70"
(17.78mm)
59th Driest
Driest since:
1965
67th Wettest
Wettest since:
2020
Jun 1957–May 1961
48-Month
165.79"
(4,211.07mm)
167.92"
(4,265.17mm)
-2.13"
(-54.10mm)
37th Driest
Driest since:
1966
88th Wettest
Wettest since:
2020
Jun 1956–May 1961
60-Month
209.45"
(5,320.03mm)
209.84"
(5,329.94mm)
-0.39"
(-9.91mm)
49th Driest
Driest since:
1967
75th Wettest
Wettest since:
2022

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