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 April 2022. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, September 2017

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
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  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 2017
1-Month
2.06"
(52.32mm)
3.59"
(91.19mm)
-1.53"
(-38.87mm)
20th Driest Driest since: 2014 1943
108th Wettest Wettest since: 2016 2011
Ties: 1919
Aug–Sep 2017
2-Month
5.90"
(149.86mm)
7.45"
(189.23mm)
-1.55"
(-39.37mm)
31st Driest Driest since: 2005 1943
97th Wettest Wettest since: 2016 2011
Jul–Sep 2017
3-Month
12.04"
(305.82mm)
11.64"
(295.66mm)
0.40"
(10.16mm)
74th Driest Driest since: 2016 1930
54th Wettest Wettest since: 2012 2018
Jun–Sep 2017
4-Month
16.66"
(423.16mm)
15.81"
(401.57mm)
0.85"
(21.59mm)
77th Driest Driest since: 2016 1930
51st Wettest Wettest since: 2015 2018
Ties: 2012
May–Sep 2017
5-Month
22.61"
(574.29mm)
19.74"
(501.40mm)
2.87"
(72.89mm)
101st Driest Driest since: 2016 1930
27th Wettest Wettest since: 2011 2018
Apr–Sep 2017
6-Month
26.93"
(684.02mm)
23.38"
(593.85mm)
3.55"
(90.17mm)
108th Driest Driest since: 2016 1930
20th Wettest Wettest since: 2011 2018
Mar–Sep 2017
7-Month
30.91"
(785.11mm)
26.87"
(682.50mm)
4.04"
(102.61mm)
108th Driest Driest since: 2016 1930
20th Wettest Wettest since: 2011 2011
Feb–Sep 2017
8-Month
33.11"
(840.99mm)
29.47"
(748.54mm)
3.64"
(92.45mm)
104th Driest Driest since: 2016 1995
24th Wettest Wettest since: 2011 2011
Jan–Sep 2017
9-Month
36.93"
(938.02mm)
32.52"
(826.01mm)
4.41"
(112.01mm)
110th Driest Driest since: 2016 1930
18th Wettest Wettest since: 2011 2018
Dec 2016–Sep 2017
10-Month
40.55"
(1,029.97mm)
35.62"
(904.75mm)
4.93"
(125.22mm)
106th Driest Driest since: 2016 1963
21st Wettest Wettest since: 2011 2011
Nov 2016–Sep 2017
11-Month
42.04"
(1,067.82mm)
38.83"
(986.28mm)
3.21"
(81.54mm)
93rd Driest Driest since: 2016 1963
34th Wettest Wettest since: 2011 2011
Oct 2016–Sep 2017
12-Month
46.35"
(1,177.29mm)
42.00"
(1,066.80mm)
4.35"
(110.49mm)
98th Driest Driest since: 2016 1925
29th Wettest Wettest since: 2011 2011
Apr 2016–Sep 2017
18-Month
67.64"
(1,718.06mm)
65.31"
(1,658.87mm)
2.33"
(59.19mm)
81st Driest Driest since: 2016 1966
46th Wettest Wettest since: 2014 2019
Oct 2015–Sep 2017
24-Month
85.87"
(2,181.10mm)
83.94"
(2,132.08mm)
1.93"
(49.02mm)
70th Driest Driest since: 2016 1966
56th Wettest Wettest since: 2015 2019
Oct 2014–Sep 2017
36-Month
128.16"
(3,255.26mm)
125.94"
(3,198.88mm)
2.22"
(56.38mm)
71st Driest Driest since: 2016 1965
54th Wettest Wettest since: 2015 2019
Oct 2013–Sep 2017
48-Month
172.52"
(4,382.01mm)
167.94"
(4,265.68mm)
4.58"
(116.33mm)
78th Driest Driest since: 2016 1966
46th Wettest Wettest since: 2015 2021
Oct 2012–Sep 2017
60-Month
215.11"
(5,463.79mm)
209.89"
(5,331.21mm)
5.22"
(132.58mm)
73rd Driest Driest since: 2016 1966
50th Wettest Wettest since: 2015 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2022, retrieved on May 16, 2022 from https://www.ncdc.noaa.gov/cag/