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


Pennsylvania

Precipitation Rankings, October 2021

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
October 2021
1-Month
4.61"
(117.09mm)
3.17"
(80.52mm)
1.44"
(36.57mm)
100th Driest Driest since: 2020 1963
28th Wettest Wettest since: 2019 1976
Sep–Oct 2021
2-Month
11.59"
(294.39mm)
6.75"
(171.45mm)
4.84"
(122.94mm)
124th Driest Driest since: 2020 1963
4th Wettest Wettest since: 2018 2011
Aug–Oct 2021
3-Month
17.46"
(443.48mm)
10.62"
(269.75mm)
6.84"
(173.73mm)
125th Driest Driest since: 2020 1930
3rd Wettest Wettest since: 2018 2011
Jul–Oct 2021
4-Month
23.71"
(602.23mm)
14.81"
(376.17mm)
8.90"
(226.06mm)
124th Driest Driest since: 2020 1930
4th Wettest Wettest since: 2018 2018
Jun–Oct 2021
5-Month
27.25"
(692.15mm)
18.98"
(482.09mm)
8.27"
(210.06mm)
123rd Driest Driest since: 2020 1930
5th Wettest Wettest since: 2018 2018
May–Oct 2021
6-Month
31.53"
(800.86mm)
22.91"
(581.91mm)
8.62"
(218.95mm)
123rd Driest Driest since: 2020 1930
5th Wettest Wettest since: 2018 2018
Apr–Oct 2021
7-Month
34.32"
(871.73mm)
26.55"
(674.37mm)
7.77"
(197.36mm)
122nd Driest Driest since: 2020 1963
6th Wettest Wettest since: 2018 2018
Mar–Oct 2021
8-Month
37.13"
(943.10mm)
30.04"
(763.02mm)
7.09"
(180.08mm)
122nd Driest Driest since: 2020 1930
6th Wettest Wettest since: 2018 2011
Feb–Oct 2021
9-Month
40.15"
(1,019.81mm)
32.64"
(829.06mm)
7.51"
(190.75mm)
120th Driest Driest since: 2020 1963
8th Wettest Wettest since: 2019 2011
Jan–Oct 2021
10-Month
41.95"
(1,065.53mm)
35.69"
(906.53mm)
6.26"
(159.00mm)
116th Driest Driest since: 2020 1963
12th Wettest Wettest since: 2019 2018
Dec 2020–Oct 2021
11-Month
46.39"
(1,178.31mm)
38.79"
(985.27mm)
7.60"
(193.04mm)
116th Driest Driest since: 2020 1963
11th Wettest Wettest since: 2019 2011
Nov 2020–Oct 2021
12-Month
49.36"
(1,253.74mm)
42.00"
(1,066.80mm)
7.36"
(186.94mm)
118th Driest Driest since: 2020 1963
9th Wettest Wettest since: 2019 2011
May 2020–Oct 2021
18-Month
70.03"
(1,778.76mm)
64.86"
(1,647.44mm)
5.17"
(131.32mm)
98th Driest Driest since: 2016 1963
29th Wettest Wettest since: 2020 2019
Nov 2019–Oct 2021
24-Month
91.36"
(2,320.54mm)
83.94"
(2,132.08mm)
7.42"
(188.46mm)
101st Driest Driest since: 2017 1964
25th Wettest Wettest since: 2020 2019
Nov 2018–Oct 2021
36-Month
146.31"
(3,716.27mm)
125.92"
(3,198.37mm)
20.39"
(517.90mm)
118th Driest Driest since: 2018 1965
7th Wettest Wettest since: 2020 2019
Nov 2017–Oct 2021
48-Month
204.62"
(5,197.35mm)
167.91"
(4,264.91mm)
36.71"
(932.44mm)
123rd Driest Driest since: 2020 1966
1st Wettest Wettest to Date 2021
Nov 2016–Oct 2021
60-Month
251.75"
(6,394.45mm)
209.89"
(5,331.21mm)
41.86"
(1,063.24mm)
122nd Driest Driest since: 2020 1966
1st Wettest Wettest to Date 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2022, retrieved on June 27, 2022 from https://www.ncdc.noaa.gov/cag/