Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of September 2021. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, July 2021

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
July 2021
1-Month
6.23"
(158.24mm)
4.19"
(106.43mm)
2.04"
(51.81mm)
120th Driest Driest since: 2020 1909
8th Wettest Wettest since: 2018 2018
Jun–Jul 2021
2-Month
9.77"
(248.16mm)
8.36"
(212.34mm)
1.41"
(35.82mm)
95th Driest Driest since: 2020 1966
33rd Wettest Wettest since: 2019 1972
Ties: 1975
May–Jul 2021
3-Month
14.05"
(356.87mm)
12.28"
(311.91mm)
1.77"
(44.96mm)
97th Driest Driest since: 2020 1966
31st Wettest Wettest since: 2019 1989
Ties: 1943
Apr–Jul 2021
4-Month
16.85"
(427.99mm)
15.93"
(404.62mm)
0.92"
(23.37mm)
78th Driest Driest since: 2020 1965
50th Wettest Wettest since: 2019 1972
Mar–Jul 2021
5-Month
19.67"
(499.62mm)
19.42"
(493.27mm)
0.25"
(6.35mm)
64th Driest Driest since: 2020 1966
64th Wettest Wettest since: 2019 1972
Feb–Jul 2021
6-Month
22.68"
(576.07mm)
22.02"
(559.31mm)
0.66"
(16.76mm)
72nd Driest Driest since: 2020 1965
56th Wettest Wettest since: 2019 2018
Jan–Jul 2021
7-Month
24.48"
(621.79mm)
25.07"
(636.78mm)
-0.59"
(-14.99mm)
54th Driest Driest since: 2016 1991
74th Wettest Wettest since: 2020 2018
Dec 2020–Jul 2021
8-Month
28.92"
(734.57mm)
28.17"
(715.52mm)
0.75"
(19.05mm)
74th Driest Driest since: 2016 1966
53rd Wettest Wettest since: 2020 2019
Nov 2020–Jul 2021
9-Month
31.89"
(810.01mm)
31.37"
(796.80mm)
0.52"
(13.21mm)
73rd Driest Driest since: 2020 1966
54th Wettest Wettest since: 2019 2019
Oct 2020–Jul 2021
10-Month
35.52"
(902.21mm)
34.55"
(877.57mm)
0.97"
(24.64mm)
75th Driest Driest since: 2016 1934
52nd Wettest Wettest since: 2020 2019
Sep 2020–Jul 2021
11-Month
37.98"
(964.69mm)
38.11"
(967.99mm)
-0.13"
(-3.30mm)
59th Driest Driest since: 2016 1965
68th Wettest Wettest since: 2020 2019
Ties: 1990
Aug 2020–Jul 2021
12-Month
42.37"
(1,076.20mm)
41.98"
(1,066.29mm)
0.39"
(9.91mm)
63rd Driest Driest since: 2016 1965
64th Wettest Wettest since: 2020 2019
Feb 2020–Jul 2021
18-Month
64.71"
(1,643.63mm)
63.96"
(1,624.58mm)
0.75"
(19.05mm)
67th Driest Driest since: 2016 1966
60th Wettest Wettest since: 2020 2019
Aug 2019–Jul 2021
24-Month
85.36"
(2,168.14mm)
83.89"
(2,130.81mm)
1.47"
(37.33mm)
69th Driest Driest since: 2016 1966
57th Wettest Wettest since: 2020 2019
Aug 2018–Jul 2021
36-Month
148.28"
(3,766.31mm)
125.92"
(3,198.37mm)
22.36"
(567.94mm)
120th Driest Driest since: 2018 1966
5th Wettest Wettest since: 2020 2019
Aug 2017–Jul 2021
48-Month
198.16"
(5,033.26mm)
167.89"
(4,264.41mm)
30.27"
(768.85mm)
121st Driest Driest since: 2018 1966
3rd Wettest Wettest since: 2020 2020
Aug 2016–Jul 2021
60-Month
246.25"
(6,254.75mm)
209.81"
(5,329.17mm)
36.44"
(925.58mm)
122nd Driest Driest since: 2020 1966
1st Wettest Wettest to Date 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 24, 2021 from https://www.ncdc.noaa.gov/cag/