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, June 2018

View Period (Months):
Download: csv json xml
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
June 2018
1-Month
5.32"
(135.13mm)
4.17"
(105.92mm)
1.15"
(29.21mm)
109th Driest
Driest since:
1966
20th Wettest
Wettest since:
1972
May–Jun 2018
2-Month
10.80"
(274.32mm)
8.10"
(205.74mm)
2.70"
(68.58mm)
119th Driest
Driest since:
1991
10th Wettest
Wettest since:
1972
Apr–Jun 2018
3-Month
14.97"
(380.24mm)
11.74"
(298.20mm)
3.23"
(82.04mm)
116th Driest
Driest since:
1965
13th Wettest
Wettest since:
1972
Mar–Jun 2018
4-Month
18.09"
(459.49mm)
15.23"
(386.84mm)
2.86"
(72.65mm)
110th Driest
Driest since:
1926
19th Wettest
Wettest since:
1972
Feb–Jun 2018
5-Month
23.49"
(596.65mm)
17.83"
(452.88mm)
5.66"
(143.77mm)
126th Driest
Driest since:
1941
3rd Wettest
Wettest since:
1972
Jan–Jun 2018
6-Month
26.77"
(679.96mm)
20.88"
(530.35mm)
5.89"
(149.61mm)
125th Driest
Driest since:
1941
4th Wettest
Wettest since:
1972
Dec 2017–Jun 2018
7-Month
28.47"
(723.14mm)
23.98"
(609.09mm)
4.49"
(114.05mm)
113th Driest
Driest since:
1941
15th Wettest
Wettest since:
1972
Nov 2017–Jun 2018
8-Month
31.36"
(796.54mm)
27.19"
(690.63mm)
4.17"
(105.91mm)
111th Driest
Driest since:
1934
17th Wettest
Wettest since:
2019
Ties: 1937
Oct 2017–Jun 2018
9-Month
36.45"
(925.83mm)
30.36"
(771.14mm)
6.09"
(154.69mm)
117th Driest
Driest since:
1925
11th Wettest
Wettest since:
2019
Sep 2017–Jun 2018
10-Month
38.51"
(978.15mm)
33.92"
(861.57mm)
4.59"
(116.58mm)
105th Driest
Driest since:
1965
23rd Wettest
Wettest since:
2019
Aug 2017–Jun 2018
11-Month
42.35"
(1,075.69mm)
37.79"
(959.87mm)
4.56"
(115.82mm)
104th Driest
Driest since:
1931
24th Wettest
Wettest since:
2019
Jul 2017–Jun 2018
12-Month
48.49"
(1,231.65mm)
41.99"
(1,066.55mm)
6.50"
(165.10mm)
114th Driest
Driest since:
1931
14th Wettest
Wettest since:
2019
Ties: 1946
Jan 2017–Jun 2018
18-Month
73.38"
(1,863.85mm)
62.83"
(1,595.88mm)
10.55"
(267.97mm)
121st Driest
Driest since:
1931
7th Wettest
Wettest since:
2019
Jul 2016–Jun 2018
24-Month
94.23"
(2,393.44mm)
83.92"
(2,131.57mm)
10.31"
(261.87mm)
111th Driest
Driest since:
1966
16th Wettest
Wettest since:
2019
Jul 2015–Jun 2018
36-Month
133.54"
(3,391.92mm)
125.95"
(3,199.13mm)
7.59"
(192.79mm)
91st Driest
Driest since:
1966
35th Wettest
Wettest since:
2019
Jul 2014–Jun 2018
48-Month
175.30"
(4,452.62mm)
167.95"
(4,265.93mm)
7.35"
(186.69mm)
87th Driest
Driest since:
1966
38th Wettest
Wettest since:
2020
Jul 2013–Jun 2018
60-Month
220.28"
(5,595.11mm)
209.88"
(5,330.95mm)
10.40"
(264.16mm)
94th Driest
Driest since:
1966
30th Wettest
Wettest since:
2022

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