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 2017

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2018)
Wettest/Driest
Since
Record
December 2017
1-Month
1.70"
(43.18mm)
3.11"
(78.99mm)
-1.41"
(-35.81mm)
12th Driest Driest since: 1998 1955
113th Wettest Wettest since: 2016 1990
Nov–Dec 2017
2-Month
4.59"
(116.59mm)
6.29"
(159.77mm)
-1.70"
(-43.18mm)
22nd Driest Driest since: 1998 1917
103rd Wettest Wettest since: 2016 1972
Oct–Dec 2017
3-Month
9.68"
(245.87mm)
9.46"
(240.28mm)
0.22"
(5.59mm)
65th Driest Driest since: 2016 1924
60th Wettest Wettest since: 2015 1927
Sep–Dec 2017
4-Month
11.74"
(298.20mm)
13.04"
(331.22mm)
-1.30"
(-33.02mm)
39th Driest Driest since: 2014 1908
86th Wettest Wettest since: 2016 2018
Aug–Dec 2017
5-Month
15.58"
(395.73mm)
16.91"
(429.51mm)
-1.33"
(-33.78mm)
40th Driest Driest since: 2014 1930
85th Wettest Wettest since: 2016 2018
Jul–Dec 2017
6-Month
21.72"
(551.69mm)
21.10"
(535.94mm)
0.62"
(15.75mm)
67th Driest Driest since: 2016 1930
58th Wettest Wettest since: 2013 2018
Jun–Dec 2017
7-Month
26.34"
(669.04mm)
25.27"
(641.86mm)
1.07"
(27.18mm)
70th Driest Driest since: 2016 1930
55th Wettest Wettest since: 2015 2018
May–Dec 2017
8-Month
32.29"
(820.17mm)
29.19"
(741.43mm)
3.10"
(78.74mm)
98th Driest Driest since: 2016 1930
27th Wettest Wettest since: 2012 2018
Apr–Dec 2017
9-Month
36.61"
(929.89mm)
32.84"
(834.14mm)
3.77"
(95.75mm)
101st Driest Driest since: 2016 1930
24th Wettest Wettest since: 2011 2018
Mar–Dec 2017
10-Month
40.59"
(1,030.99mm)
36.33"
(922.78mm)
4.26"
(108.21mm)
103rd Driest Driest since: 2016 1930
22nd Wettest Wettest since: 2011 2011
Feb–Dec 2017
11-Month
42.79"
(1,086.87mm)
38.93"
(988.82mm)
3.86"
(98.05mm)
98th Driest Driest since: 2016 1930
27th Wettest Wettest since: 2011 2018
Jan–Dec 2017
12-Month
46.61"
(1,183.89mm)
41.98"
(1,066.29mm)
4.63"
(117.60mm)
104th Driest Driest since: 2016 1930
21st Wettest Wettest since: 2011 2018
Jul 2016–Dec 2017
18-Month
67.46"
(1,713.48mm)
63.09"
(1,602.49mm)
4.37"
(110.99mm)
89th Driest Driest since: 2016 1931
35th Wettest Wettest since: 2012 2018
Jan 2016–Dec 2017
24-Month
85.61"
(2,174.49mm)
83.92"
(2,131.57mm)
1.69"
(42.92mm)
70th Driest Driest since: 2016 1931
54th Wettest Wettest since: 2012 2018
Jan 2015–Dec 2017
36-Month
128.71"
(3,269.23mm)
125.86"
(3,196.84mm)
2.85"
(72.39mm)
76th Driest Driest since: 2016 1965
47th Wettest Wettest since: 2013 2004
Jan 2014–Dec 2017
48-Month
171.14"
(4,346.96mm)
167.85"
(4,263.39mm)
3.29"
(83.57mm)
72nd Driest Driest since: 2016 1966
50th Wettest Wettest since: 2014 2006
Jan 2013–Dec 2017
60-Month
212.96"
(5,409.18mm)
209.87"
(5,330.70mm)
3.09"
(78.48mm)
65th Driest Driest since: 2016 1966
56th Wettest Wettest since: 2015 2007

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 10, 2019 from https://www.ncdc.noaa.gov/cag/