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 August 2022. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, August 2021

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 2021
1-Month
5.89"
(149.61mm)
3.87"
(98.30mm)
2.02"
(51.31mm)
119th Driest Driest since: 2020 1930
10th Wettest Wettest since: 2018 1955
Jul–Aug 2021
2-Month
12.13"
(308.10mm)
8.05"
(204.47mm)
4.08"
(103.63mm)
126th Driest Driest since: 2020 1930
3rd Wettest Wettest since: 2018 2018
Jun–Aug 2021
3-Month
15.67"
(398.02mm)
12.22"
(310.39mm)
3.45"
(87.63mm)
118th Driest Driest since: 2020 1966
11th Wettest Wettest since: 2018 2018
May–Aug 2021
4-Month
19.95"
(506.73mm)
16.15"
(410.21mm)
3.80"
(96.52mm)
112th Driest Driest since: 2020 1966
17th Wettest Wettest since: 2019 2018
Ties: 1928
Apr–Aug 2021
5-Month
22.74"
(577.60mm)
19.79"
(502.67mm)
2.95"
(74.93mm)
103rd Driest Driest since: 2020 1966
26th Wettest Wettest since: 2019 2018
Mar–Aug 2021
6-Month
25.55"
(648.97mm)
23.29"
(591.57mm)
2.26"
(57.40mm)
98th Driest Driest since: 2020 1966
31st Wettest Wettest since: 2019 2011
Feb–Aug 2021
7-Month
28.57"
(725.68mm)
25.89"
(657.61mm)
2.68"
(68.07mm)
102nd Driest Driest since: 2020 1995
27th Wettest Wettest since: 2019 2018
Jan–Aug 2021
8-Month
30.37"
(771.40mm)
28.94"
(735.08mm)
1.43"
(36.32mm)
85th Driest Driest since: 2020 1963
44th Wettest Wettest since: 2019 2018
Dec 2020–Aug 2021
9-Month
34.81"
(884.17mm)
32.03"
(813.56mm)
2.78"
(70.61mm)
95th Driest Driest since: 2020 1966
33rd Wettest Wettest since: 2019 2018
Nov 2020–Aug 2021
10-Month
37.78"
(959.61mm)
35.24"
(895.10mm)
2.54"
(64.51mm)
92nd Driest Driest since: 2020 1966
36th Wettest Wettest since: 2019 2019
Oct 2020–Aug 2021
11-Month
41.41"
(1,051.81mm)
38.42"
(975.87mm)
2.99"
(75.94mm)
95th Driest Driest since: 2016 1925
33rd Wettest Wettest since: 2020 2019
Sep 2020–Aug 2021
12-Month
43.87"
(1,114.30mm)
41.98"
(1,066.29mm)
1.89"
(48.01mm)
80th Driest Driest since: 2020 1965
48th Wettest Wettest since: 2019 2019
Mar 2020–Aug 2021
18-Month
67.23"
(1,707.64mm)
65.21"
(1,656.33mm)
2.02"
(51.31mm)
79th Driest Driest since: 2016 1966
49th Wettest Wettest since: 2020 2019
Sep 2019–Aug 2021
24-Month
87.52"
(2,223.01mm)
83.89"
(2,130.81mm)
3.63"
(92.20mm)
81st Driest Driest since: 2016 1966
46th Wettest Wettest since: 2020 2019
Sep 2018–Aug 2021
36-Month
147.89"
(3,756.41mm)
125.89"
(3,197.61mm)
22.00"
(558.80mm)
121st Driest Driest since: 2018 1966
5th Wettest Wettest since: 2020 2019
Sep 2017–Aug 2021
48-Month
200.19"
(5,084.83mm)
167.87"
(4,263.90mm)
32.32"
(820.93mm)
122nd Driest Driest since: 2018 1966
3rd Wettest Wettest since: 2020 2020
Sep 2016–Aug 2021
60-Month
248.03"
(6,299.96mm)
209.80"
(5,328.92mm)
38.23"
(971.04mm)
123rd 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, Precipitation, published September 2022, retrieved on October 1, 2022 from https://www.ncdc.noaa.gov/cag/