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 2009

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 2009
1-Month
4.98"
(126.49mm)
3.87"
(98.30mm)
1.11"
(28.19mm)
104th Driest Driest since: 2008 1930
25th Wettest Wettest since: 2007 1955
Ties: 1984
Jul–Aug 2009
2-Month
9.95"
(252.73mm)
8.05"
(204.47mm)
1.90"
(48.26mm)
107th Driest Driest since: 2008 1930
22nd Wettest Wettest since: 2004 2018
Jun–Aug 2009
3-Month
14.86"
(377.44mm)
12.22"
(310.39mm)
2.64"
(67.05mm)
108th Driest Driest since: 2008 1966
21st Wettest Wettest since: 2006 2018
May–Aug 2009
4-Month
19.88"
(504.95mm)
16.15"
(410.21mm)
3.73"
(94.74mm)
110th Driest Driest since: 2008 1966
19th Wettest Wettest since: 2006 2018
Apr–Aug 2009
5-Month
23.13"
(587.50mm)
19.79"
(502.67mm)
3.34"
(84.83mm)
107th Driest Driest since: 2008 1966
22nd Wettest Wettest since: 2006 2018
Mar–Aug 2009
6-Month
25.24"
(641.10mm)
23.29"
(591.57mm)
1.95"
(49.53mm)
95th Driest Driest since: 2008 1966
34th Wettest Wettest since: 2004 2011
Ties: 1924
Feb–Aug 2009
7-Month
26.54"
(674.12mm)
25.89"
(657.61mm)
0.65"
(16.51mm)
70th Driest Driest since: 2007 1995
59th Wettest Wettest since: 2008 2018
Jan–Aug 2009
8-Month
29.22"
(742.19mm)
28.94"
(735.08mm)
0.28"
(7.11mm)
66th Driest Driest since: 2007 1963
63rd Wettest Wettest since: 2008 2018
Dec 2008–Aug 2009
9-Month
34.79"
(883.67mm)
32.03"
(813.56mm)
2.76"
(70.11mm)
94th Driest Driest since: 2007 1966
34th Wettest Wettest since: 2008 2018
Nov 2008–Aug 2009
10-Month
37.09"
(942.09mm)
35.24"
(895.10mm)
1.85"
(46.99mm)
86th Driest Driest since: 2007 1966
42nd Wettest Wettest since: 2008 2019
Oct 2008–Aug 2009
11-Month
39.80"
(1,010.92mm)
38.42"
(975.87mm)
1.38"
(35.05mm)
77th Driest Driest since: 2005 1925
51st Wettest Wettest since: 2008 2019
Sep 2008–Aug 2009
12-Month
43.96"
(1,116.58mm)
41.98"
(1,066.29mm)
1.98"
(50.29mm)
81st Driest Driest since: 2002 1965
47th Wettest Wettest since: 2008 2019
Mar 2008–Aug 2009
18-Month
67.80"
(1,722.12mm)
65.21"
(1,656.33mm)
2.59"
(65.79mm)
83rd Driest Driest since: 2006 1966
45th Wettest Wettest since: 2008 2019
Sep 2007–Aug 2009
24-Month
89.96"
(2,284.98mm)
83.89"
(2,130.81mm)
6.07"
(154.17mm)
94th Driest Driest since: 2003 1966
33rd Wettest Wettest since: 2008 2019
Sep 2006–Aug 2009
36-Month
135.72"
(3,447.29mm)
125.89"
(3,197.61mm)
9.83"
(249.68mm)
97th Driest Driest since: 2003 1966
29th Wettest Wettest since: 2008 2019
Sep 2005–Aug 2009
48-Month
181.80"
(4,617.72mm)
167.87"
(4,263.90mm)
13.93"
(353.82mm)
107th Driest Driest since: 2004 1966
18th Wettest Wettest since: 2008 2020
Sep 2004–Aug 2009
60-Month
228.14"
(5,794.76mm)
209.80"
(5,328.92mm)
18.34"
(465.84mm)
107th Driest Driest since: 2005 1966
17th Wettest Wettest since: 2008 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Precipitation, published September 2022, retrieved on October 2, 2022 from https://www.ncdc.noaa.gov/cag/