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 November 2019. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, December 2015

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 2015
1-Month
4.10"
(104.14mm)
3.11"
(78.99mm)
0.99"
(25.15mm)
99th Driest Driest since: 2014 1955
26th Wettest Wettest since: 2012 1990
Nov–Dec 2015
2-Month
6.16"
(156.46mm)
6.29"
(159.77mm)
-0.13"
(-3.31mm)
57th Driest Driest since: 2014 1917
68th Wettest Wettest since: 2013 1972
Oct–Dec 2015
3-Month
9.94"
(252.48mm)
9.46"
(240.28mm)
0.48"
(12.20mm)
72nd Driest Driest since: 2014 1924
53rd Wettest Wettest since: 2013 1927
Sep–Dec 2015
4-Month
14.26"
(362.20mm)
13.04"
(331.22mm)
1.22"
(30.98mm)
83rd Driest Driest since: 2014 1908
42nd Wettest Wettest since: 2012 2018
Aug–Dec 2015
5-Month
16.83"
(427.48mm)
16.91"
(429.51mm)
-0.08"
(-2.03mm)
55th Driest Driest since: 2014 1930
70th Wettest Wettest since: 2013 2018
Jul–Dec 2015
6-Month
21.16"
(537.46mm)
21.10"
(535.94mm)
0.06"
(1.52mm)
60th Driest Driest since: 2014 1930
65th Wettest Wettest since: 2013 2018
Jun–Dec 2015
7-Month
29.52"
(749.81mm)
25.27"
(641.86mm)
4.25"
(107.95mm)
108th Driest Driest since: 2014 1930
17th Wettest Wettest since: 2011 2018
May–Dec 2015
8-Month
32.09"
(815.09mm)
29.19"
(741.43mm)
2.90"
(73.66mm)
94th Driest Driest since: 2014 1930
31st Wettest Wettest since: 2012 2018
Apr–Dec 2015
9-Month
35.95"
(913.13mm)
32.84"
(834.14mm)
3.11"
(78.99mm)
97th Driest Driest since: 2014 1930
28th Wettest Wettest since: 2011 2018
Mar–Dec 2015
10-Month
39.14"
(994.16mm)
36.33"
(922.78mm)
2.81"
(71.38mm)
93rd Driest Driest since: 2014 1930
32nd Wettest Wettest since: 2011 2011
Ties: 1940
Feb–Dec 2015
11-Month
40.66"
(1,032.76mm)
38.93"
(988.82mm)
1.73"
(43.94mm)
82nd Driest Driest since: 2014 1930
43rd Wettest Wettest since: 2011 2018
Jan–Dec 2015
12-Month
43.10"
(1,094.74mm)
41.98"
(1,066.29mm)
1.12"
(28.45mm)
73rd Driest Driest since: 2014 1930
52nd Wettest Wettest since: 2012 2018
Ties: 1978
Jul 2014–Dec 2015
18-Month
62.92"
(1,598.17mm)
63.09"
(1,602.49mm)
-0.17"
(-4.32mm)
54th Driest Driest since: 2002 1931
70th Wettest Wettest since: 2014 2018
Jan 2014–Dec 2015
24-Month
85.53"
(2,172.46mm)
83.92"
(2,131.57mm)
1.61"
(40.89mm)
69th Driest Driest since: 2014 1931
55th Wettest Wettest since: 2012 2018
Jan 2013–Dec 2015
36-Month
127.35"
(3,234.69mm)
125.86"
(3,196.84mm)
1.49"
(37.85mm)
64th Driest Driest since: 2002 1965
59th Wettest Wettest since: 2014 2004
Jan 2012–Dec 2015
48-Month
170.84"
(4,339.34mm)
167.85"
(4,263.39mm)
2.99"
(75.95mm)
70th Driest Driest since: 2002 1966
52nd Wettest Wettest since: 2014 2006
Jan 2011–Dec 2015
60-Month
231.84"
(5,888.74mm)
209.87"
(5,330.70mm)
21.97"
(558.04mm)
112th Driest Driest since: 2014 1966
9th Wettest Wettest since: 2012 2007

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 13, 2019 from https://www.ncdc.noaa.gov/cag/