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


Pennsylvania

Precipitation Rankings, December 2019

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 2019
1-Month
3.72"
(94.49mm)
3.11"
(78.99mm)
0.61"
(15.50mm)
89th Driest Driest since: 2017 1955
37th Wettest Wettest since: 2018 1990
Ties: 1897
Nov–Dec 2019
2-Month
6.18"
(156.97mm)
6.29"
(159.77mm)
-0.11"
(-2.80mm)
58th Driest Driest since: 2017 1917
68th Wettest Wettest since: 2018 1972
Oct–Dec 2019
3-Month
11.79"
(299.47mm)
9.46"
(240.28mm)
2.33"
(59.19mm)
99th Driest Driest since: 2017 1924
27th Wettest Wettest since: 2018 1927
Sep–Dec 2019
4-Month
13.92"
(353.57mm)
13.04"
(331.22mm)
0.88"
(22.35mm)
78th Driest Driest since: 2017 1908
48th Wettest Wettest since: 2018 2018
Aug–Dec 2019
5-Month
17.63"
(447.80mm)
16.91"
(429.51mm)
0.72"
(18.29mm)
70th Driest Driest since: 2017 1930
56th Wettest Wettest since: 2018 2018
Jul–Dec 2019
6-Month
23.21"
(589.53mm)
21.10"
(535.94mm)
2.11"
(53.59mm)
89th Driest Driest since: 2017 1930
37th Wettest Wettest since: 2018 2018
Jun–Dec 2019
7-Month
29.03"
(737.36mm)
25.27"
(641.86mm)
3.76"
(95.50mm)
106th Driest Driest since: 2017 1930
20th Wettest Wettest since: 2018 2018
May–Dec 2019
8-Month
35.56"
(903.22mm)
29.19"
(741.43mm)
6.37"
(161.79mm)
114th Driest Driest since: 2017 1930
12th Wettest Wettest since: 2018 2018
Apr–Dec 2019
9-Month
40.09"
(1,018.29mm)
32.84"
(834.14mm)
7.25"
(184.15mm)
117th Driest Driest since: 2017 1930
9th Wettest Wettest since: 2018 2018
Mar–Dec 2019
10-Month
43.06"
(1,093.72mm)
36.33"
(922.78mm)
6.73"
(170.94mm)
114th Driest Driest since: 2017 1930
12th Wettest Wettest since: 2018 2011
Feb–Dec 2019
11-Month
46.51"
(1,181.35mm)
38.93"
(988.82mm)
7.58"
(192.53mm)
118th Driest Driest since: 2017 1930
8th Wettest Wettest since: 2018 2018
Jan–Dec 2019
12-Month
50.78"
(1,289.81mm)
41.98"
(1,066.29mm)
8.80"
(223.52mm)
119th Driest Driest since: 2017 1930
7th Wettest Wettest since: 2018 2018
Jul 2018–Dec 2019
18-Month
88.05"
(2,236.47mm)
63.09"
(1,602.49mm)
24.96"
(633.98mm)
124th Driest Driest since: 2018 1931
1st Wettest Wettest to Date 2019
Jan 2018–Dec 2019
24-Month
114.82"
(2,916.43mm)
83.92"
(2,131.57mm)
30.90"
(784.86mm)
124th Driest Driest since: 2018 1931
1st Wettest Wettest to Date 2019
Jan 2017–Dec 2019
36-Month
161.43"
(4,100.32mm)
125.86"
(3,196.84mm)
35.57"
(903.48mm)
123rd Driest Driest since: 2018 1965
1st Wettest Wettest to Date 2019
Jan 2016–Dec 2019
48-Month
200.43"
(5,090.92mm)
167.85"
(4,263.39mm)
32.58"
(827.53mm)
122nd Driest Driest since: 2018 1966
1st Wettest Wettest to Date 2019
Jan 2015–Dec 2019
60-Month
243.53"
(6,185.66mm)
209.87"
(5,330.70mm)
33.66"
(854.96mm)
121st Driest Driest since: 2018 1966
1st Wettest Wettest to Date 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published March 2020, retrieved on April 6, 2020 from https://www.ncdc.noaa.gov/cag/