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, October 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
(1895-2021)
Wettest/Driest
Since
Record
October 2009
1-Month
4.77"
(121.16mm)
3.17"
(80.52mm)
1.60"
(40.64mm)
103rd Driest Driest since: 2008 1963
25th Wettest Wettest since: 2006 1976
Sep–Oct 2009
2-Month
7.55"
(191.77mm)
6.75"
(171.45mm)
0.80"
(20.32mm)
81st Driest Driest since: 2008 1963
47th Wettest Wettest since: 2006 2011
Aug–Oct 2009
3-Month
12.53"
(318.26mm)
10.62"
(269.75mm)
1.91"
(48.51mm)
99th Driest Driest since: 2008 1930
29th Wettest Wettest since: 2006 2011
Jul–Oct 2009
4-Month
17.50"
(444.50mm)
14.81"
(376.17mm)
2.69"
(68.33mm)
101st Driest Driest since: 2008 1930
27th Wettest Wettest since: 2006 2018
Jun–Oct 2009
5-Month
22.41"
(569.21mm)
18.98"
(482.09mm)
3.43"
(87.12mm)
102nd Driest Driest since: 2008 1930
26th Wettest Wettest since: 2006 2018
May–Oct 2009
6-Month
27.43"
(696.72mm)
22.91"
(581.91mm)
4.52"
(114.81mm)
111th Driest Driest since: 2008 1930
17th Wettest Wettest since: 2006 2018
Apr–Oct 2009
7-Month
30.68"
(779.27mm)
26.55"
(674.37mm)
4.13"
(104.90mm)
110th Driest Driest since: 2008 1963
18th Wettest Wettest since: 2006 2018
Mar–Oct 2009
8-Month
32.79"
(832.87mm)
30.04"
(763.02mm)
2.75"
(69.85mm)
92nd Driest Driest since: 2008 1930
36th Wettest Wettest since: 2006 2011
Feb–Oct 2009
9-Month
34.09"
(865.89mm)
32.64"
(829.06mm)
1.45"
(36.83mm)
76th Driest Driest since: 2007 1963
52nd Wettest Wettest since: 2008 2011
Jan–Oct 2009
10-Month
36.77"
(933.96mm)
35.69"
(906.53mm)
1.08"
(27.43mm)
75th Driest Driest since: 2007 1963
53rd Wettest Wettest since: 2008 2018
Dec 2008–Oct 2009
11-Month
42.34"
(1,075.44mm)
38.79"
(985.27mm)
3.55"
(90.17mm)
99th Driest Driest since: 2007 1963
28th Wettest Wettest since: 2008 2011
Nov 2008–Oct 2009
12-Month
44.64"
(1,133.86mm)
42.00"
(1,066.80mm)
2.64"
(67.06mm)
87th Driest Driest since: 2007 1963
40th Wettest Wettest since: 2008 2011
May 2008–Oct 2009
18-Month
66.84"
(1,697.74mm)
64.86"
(1,647.44mm)
1.98"
(50.30mm)
71st Driest Driest since: 2002 1963
56th Wettest Wettest since: 2008 2019
Nov 2007–Oct 2009
24-Month
91.62"
(2,327.15mm)
83.94"
(2,132.08mm)
7.68"
(195.07mm)
102nd Driest Driest since: 2008 1964
24th Wettest Wettest since: 2005 2019
Nov 2006–Oct 2009
36-Month
132.86"
(3,374.64mm)
125.92"
(3,198.37mm)
6.94"
(176.27mm)
94th Driest Driest since: 2007 1965
31st Wettest Wettest since: 2008 2019
Nov 2005–Oct 2009
48-Month
181.03"
(4,598.16mm)
167.91"
(4,264.91mm)
13.12"
(333.25mm)
104th Driest Driest since: 2008 1966
20th Wettest Wettest since: 2007 2021
Nov 2004–Oct 2009
60-Month
224.21"
(5,694.93mm)
209.89"
(5,331.21mm)
14.32"
(363.72mm)
99th Driest Driest since: 2003 1966
24th 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 September 30, 2022 from https://www.ncdc.noaa.gov/cag/