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 1991

View Period (Months):All1234567891011121824364860
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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
August 1991
1-Month
3.06"
(77.72mm)
3.87"
(98.30mm)
-0.81"
(-20.58mm)
33rd Driest Driest since: 1989 1930
96th Wettest Wettest since: 1990 1955
Ties: 1964
Jul–Aug 1991
2-Month
6.53"
(165.86mm)
8.05"
(204.47mm)
-1.52"
(-38.61mm)
26th Driest Driest since: 1983 1930
103rd Wettest Wettest since: 1990 2018
Jun–Aug 1991
3-Month
8.12"
(206.25mm)
12.22"
(310.39mm)
-4.10"
(-104.14mm)
3rd Driest Driest since: 1966 1966
126th Wettest Wettest since: 1990 2018
May–Aug 1991
4-Month
10.35"
(262.89mm)
16.15"
(410.21mm)
-5.80"
(-147.32mm)
2nd Driest Driest since: 1966 1966
127th Wettest Wettest since: 1990 2018
Apr–Aug 1991
5-Month
13.50"
(342.90mm)
19.79"
(502.67mm)
-6.29"
(-159.77mm)
2nd Driest Driest since: 1966 1966
127th Wettest Wettest since: 1990 2018
Mar–Aug 1991
6-Month
17.38"
(441.45mm)
23.29"
(591.57mm)
-5.91"
(-150.12mm)
5th Driest Driest since: 1966 1966
124th Wettest Wettest since: 1990 2011
Feb–Aug 1991
7-Month
19.10"
(485.14mm)
25.89"
(657.61mm)
-6.79"
(-172.47mm)
3rd Driest Driest since: 1966 1995
126th Wettest Wettest since: 1990 2018
Jan–Aug 1991
8-Month
21.85"
(554.99mm)
28.94"
(735.08mm)
-7.09"
(-180.09mm)
3rd Driest Driest since: 1963 1963
126th Wettest Wettest since: 1990 2018
Dec 1990–Aug 1991
9-Month
28.15"
(715.01mm)
32.03"
(813.56mm)
-3.88"
(-98.55mm)
18th Driest Driest since: 1988 1966
110th Wettest Wettest since: 1990 2018
Nov 1990–Aug 1991
10-Month
30.62"
(777.75mm)
35.24"
(895.10mm)
-4.62"
(-117.35mm)
15th Driest Driest since: 1988 1966
113th Wettest Wettest since: 1990 2019
Oct 1990–Aug 1991
11-Month
36.43"
(925.32mm)
38.42"
(975.87mm)
-1.99"
(-50.55mm)
40th Driest Driest since: 1988 1925
88th Wettest Wettest since: 1990 2019
Sep 1990–Aug 1991
12-Month
40.55"
(1,029.97mm)
41.98"
(1,066.29mm)
-1.43"
(-36.32mm)
43rd Driest Driest since: 1988 1965
85th Wettest Wettest since: 1990 2019
Mar 1990–Aug 1991
18-Month
65.04"
(1,652.02mm)
65.21"
(1,656.33mm)
-0.17"
(-4.31mm)
54th Driest Driest since: 1989 1966
74th Wettest Wettest since: 1990 2019
Sep 1989–Aug 1991
24-Month
83.75"
(2,127.25mm)
83.89"
(2,130.81mm)
-0.14"
(-3.56mm)
58th Driest Driest since: 1989 1966
69th Wettest Wettest since: 1990 2019
Sep 1988–Aug 1991
36-Month
126.96"
(3,224.78mm)
125.89"
(3,197.61mm)
1.07"
(27.17mm)
64th Driest Driest since: 1990 1966
62nd Wettest Wettest since: 1986 2019
Sep 1987–Aug 1991
48-Month
165.78"
(4,210.81mm)
167.87"
(4,263.90mm)
-2.09"
(-53.09mm)
39th Driest Driest since: 1988 1966
86th Wettest Wettest since: 1990 2020
Sep 1986–Aug 1991
60-Month
207.22"
(5,263.39mm)
209.80"
(5,328.92mm)
-2.58"
(-65.53mm)
40th Driest Driest since: 1989 1966
84th Wettest Wettest since: 1990 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on September 24, 2022 from https://www.ncdc.noaa.gov/cag/