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


Pennsylvania

Precipitation Rankings, December 1917

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 1917
1-Month
1.78"
(45.21mm)
3.11"
(78.99mm)
-1.33"
(-33.78mm)
14th Driest Driest since: 1896 1955
112th Wettest Wettest since: 1916 1990
Nov–Dec 1917
2-Month
2.43"
(61.72mm)
6.29"
(159.77mm)
-3.86"
(-98.05mm)
1st Driest Driest to Date 1917
125th Wettest Wettest since: 1916 1972
Oct–Dec 1917
3-Month
8.96"
(227.58mm)
9.46"
(240.28mm)
-0.50"
(-12.70mm)
47th Driest Driest since: 1916 1924
79th Wettest Wettest since: 1915 1927
Sep–Dec 1917
4-Month
11.32"
(287.53mm)
13.04"
(331.22mm)
-1.72"
(-43.69mm)
30th Driest Driest since: 1914 1908
96th Wettest Wettest since: 1916 2018
Aug–Dec 1917
5-Month
16.23"
(412.24mm)
16.91"
(429.51mm)
-0.68"
(-17.27mm)
44th Driest Driest since: 1916 1930
82nd Wettest Wettest since: 1915 2018
Jul–Dec 1917
6-Month
20.53"
(521.46mm)
21.10"
(535.94mm)
-0.57"
(-14.48mm)
48th Driest Driest since: 1916 1930
78th Wettest Wettest since: 1915 2018
Jun–Dec 1917
7-Month
26.22"
(665.99mm)
25.27"
(641.86mm)
0.95"
(24.13mm)
68th Driest Driest since: 1916 1930
58th Wettest Wettest since: 1915 2018
May–Dec 1917
8-Month
29.93"
(760.22mm)
29.19"
(741.43mm)
0.74"
(18.79mm)
67th Driest Driest since: 1916 1930
59th Wettest Wettest since: 1915 2018
Apr–Dec 1917
9-Month
31.94"
(811.28mm)
32.84"
(834.14mm)
-0.90"
(-22.86mm)
48th Driest Driest since: 1914 1930
78th Wettest Wettest since: 1916 2018
Mar–Dec 1917
10-Month
35.59"
(903.99mm)
36.33"
(922.78mm)
-0.74"
(-18.79mm)
50th Driest Driest since: 1915 1930
76th Wettest Wettest since: 1916 2011
Feb–Dec 1917
11-Month
37.12"
(942.85mm)
38.93"
(988.82mm)
-1.81"
(-45.97mm)
40th Driest Driest since: 1914 1930
86th Wettest Wettest since: 1916 2018
Jan–Dec 1917
12-Month
40.62"
(1,031.75mm)
41.98"
(1,066.29mm)
-1.36"
(-34.54mm)
45th Driest Driest since: 1914 1930
81st Wettest Wettest since: 1916 2018
Ties: 1899
Jul 1916–Dec 1917
18-Month
58.63"
(1,489.20mm)
63.09"
(1,602.49mm)
-4.46"
(-113.29mm)
24th Driest Driest since: 1910 1931
101st Wettest Wettest since: 1916 2019
Jan 1916–Dec 1917
24-Month
82.50"
(2,095.50mm)
83.92"
(2,131.57mm)
-1.42"
(-36.07mm)
46th Driest Driest since: 1914 1931
79th Wettest Wettest since: 1916 2019
Ties: 2000
Jan 1915–Dec 1917
36-Month
126.68"
(3,217.67mm)
125.86"
(3,196.84mm)
0.82"
(20.83mm)
59th Driest Driest since: 1916 1965
65th Wettest Wettest since: 1913 2019
Jan 1914–Dec 1917
48-Month
165.28"
(4,198.11mm)
167.85"
(4,263.39mm)
-2.57"
(-65.28mm)
40th Driest Driest since: 1911 1966
83rd Wettest Wettest since: 1916 2019
Jan 1913–Dec 1917
60-Month
208.83"
(5,304.28mm)
209.87"
(5,330.70mm)
-1.04"
(-26.42mm)
45th Driest Driest since: 1912 1966
77th Wettest Wettest since: 1916 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2020, retrieved on July 11, 2020 from https://www.ncdc.noaa.gov/cag/