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 January 2020. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, December 1901

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
December 1901
1-Month
5.82"
(147.83mm)
3.11"
(78.99mm)
2.71"
(68.84mm)
124th Driest Driest since: 1900 1955
2nd Wettest Wettest to Date 1990
Nov–Dec 1901
2-Month
8.45"
(214.63mm)
6.29"
(159.77mm)
2.16"
(54.86mm)
107th Driest Driest since: 1900 1917
19th Wettest Wettest since: 1897 1972
Oct–Dec 1901
3-Month
9.58"
(243.33mm)
9.46"
(240.28mm)
0.12"
(3.05mm)
62nd Driest Driest since: 1899 1924
64th Wettest Wettest since: 1900 1927
Ties: 1955
Sep–Dec 1901
4-Month
13.00"
(330.20mm)
13.04"
(331.22mm)
-0.04"
(-1.02mm)
60th Driest Driest since: 1900 1908
66th Wettest Wettest since: 1898 2018
Aug–Dec 1901
5-Month
19.99"
(507.75mm)
16.91"
(429.51mm)
3.08"
(78.24mm)
104th Driest Driest since: 1900 1930
22nd Wettest Wettest since: 1898 2018
Jul–Dec 1901
6-Month
24.04"
(610.62mm)
21.10"
(535.94mm)
2.94"
(74.68mm)
99th Driest Driest since: 1900 1930
27th Wettest Wettest to Date 2018
Jun–Dec 1901
7-Month
27.97"
(710.44mm)
25.27"
(641.86mm)
2.70"
(68.58mm)
96th Driest Driest since: 1900 1930
30th Wettest Wettest to Date 2018
May–Dec 1901
8-Month
33.69"
(855.73mm)
29.19"
(741.43mm)
4.50"
(114.30mm)
109th Driest Driest since: 1900 1930
17th Wettest Wettest to Date 2018
Apr–Dec 1901
9-Month
39.27"
(997.46mm)
32.84"
(834.14mm)
6.43"
(163.32mm)
115th Driest Driest since: 1900 1930
11th Wettest Wettest to Date 2018
Mar–Dec 1901
10-Month
43.37"
(1,101.60mm)
36.33"
(922.78mm)
7.04"
(178.82mm)
116th Driest Driest since: 1900 1930
10th Wettest Wettest to Date 2011
Feb–Dec 1901
11-Month
44.36"
(1,126.74mm)
38.93"
(988.82mm)
5.43"
(137.92mm)
109th Driest Driest since: 1900 1930
17th Wettest Wettest to Date 2018
Jan–Dec 1901
12-Month
46.67"
(1,185.42mm)
41.98"
(1,066.29mm)
4.69"
(119.13mm)
105th Driest Driest since: 1900 1930
21st Wettest Wettest to Date 2018
Jul 1900–Dec 1901
18-Month
66.16"
(1,680.46mm)
63.09"
(1,602.49mm)
3.07"
(77.97mm)
81st Driest Driest since: 1900 1931
44th Wettest Wettest since: 1898 2019
Jan 1900–Dec 1901
24-Month
84.52"
(2,146.81mm)
83.92"
(2,131.57mm)
0.60"
(15.24mm)
59th Driest Driest since: 1900 1931
66th Wettest Wettest since: 1899 2019
Jan 1899–Dec 1901
36-Month
125.14"
(3,178.56mm)
125.86"
(3,196.84mm)
-0.72"
(-18.28mm)
49th Driest Driest since: 1900 1965
75th Wettest Wettest since: 1899 2019
Jan 1898–Dec 1901
48-Month
170.52"
(4,331.21mm)
167.85"
(4,263.39mm)
2.67"
(67.82mm)
66th Driest Driest since: 1900 1966
57th Wettest Wettest to Date 2019
Jan 1897–Dec 1901
60-Month
212.35"
(5,393.69mm)
209.87"
(5,330.70mm)
2.48"
(62.99mm)
63rd Driest Driest since: 1900 1966
59th Wettest Wettest to Date 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 22, 2020 from https://www.ncdc.noaa.gov/cag/