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 2022. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, September 1966

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1966
1-Month
4.49"
(114.05mm)
3.59"
(91.19mm)
0.90"
(22.86mm)
95th Driest Driest since: 1965 1943
33rd Wettest Wettest since: 1962 2011
Aug–Sep 1966
2-Month
7.48"
(189.99mm)
7.45"
(189.23mm)
0.03"
(0.76mm)
69th Driest Driest since: 1964 1943
59th Wettest Wettest since: 1965 2011
Jul–Sep 1966
3-Month
9.85"
(250.19mm)
11.64"
(295.66mm)
-1.79"
(-45.47mm)
30th Driest Driest since: 1964 1930
98th Wettest Wettest since: 1965 2018
Jun–Sep 1966
4-Month
11.12"
(282.45mm)
15.81"
(401.57mm)
-4.69"
(-119.12mm)
4th Driest Driest since: 1932 1930
124th Wettest Wettest since: 1965 2018
May–Sep 1966
5-Month
14.45"
(367.03mm)
19.74"
(501.40mm)
-5.29"
(-134.37mm)
7th Driest Driest since: 1964 1930
121st Wettest Wettest since: 1965 2018
Apr–Sep 1966
6-Month
17.81"
(452.37mm)
23.38"
(593.85mm)
-5.57"
(-141.48mm)
9th Driest Driest since: 1965 1930
119th Wettest Wettest since: 1964 2018
Mar–Sep 1966
7-Month
20.23"
(513.84mm)
26.87"
(682.50mm)
-6.64"
(-168.66mm)
4th Driest Driest since: 1930 1930
124th Wettest Wettest since: 1965 2011
Feb–Sep 1966
8-Month
23.40"
(594.36mm)
29.47"
(748.54mm)
-6.07"
(-154.18mm)
9th Driest Driest since: 1965 1995
119th Wettest Wettest since: 1964 2011
Jan–Sep 1966
9-Month
26.85"
(681.99mm)
32.52"
(826.01mm)
-5.67"
(-144.02mm)
9th Driest Driest since: 1965 1930
119th Wettest Wettest since: 1964 2018
Dec 1965–Sep 1966
10-Month
28.11"
(713.99mm)
35.62"
(904.75mm)
-7.51"
(-190.76mm)
4th Driest Driest since: 1963 1963
123rd Wettest Wettest since: 1965 2011
Nov 1965–Sep 1966
11-Month
30.54"
(775.72mm)
38.83"
(986.28mm)
-8.29"
(-210.56mm)
3rd Driest Driest since: 1963 1963
124th Wettest Wettest since: 1965 2011
Oct 1965–Sep 1966
12-Month
34.05"
(864.87mm)
42.00"
(1,066.80mm)
-7.95"
(-201.93mm)
5th Driest Driest since: 1963 1925
122nd Wettest Wettest since: 1965 2011
Apr 1965–Sep 1966
18-Month
51.13"
(1,298.70mm)
65.31"
(1,658.87mm)
-14.18"
(-360.17mm)
1st Driest Driest to Date 1966
126th Wettest Wettest since: 1965 2019
Oct 1964–Sep 1966
24-Month
68.17"
(1,731.52mm)
83.94"
(2,132.08mm)
-15.77"
(-400.56mm)
1st Driest Driest to Date 1966
125th Wettest Wettest since: 1965 2019
Oct 1963–Sep 1966
36-Month
105.10"
(2,669.54mm)
125.94"
(3,198.88mm)
-20.84"
(-529.34mm)
2nd Driest Driest since: 1965 1965
123rd Wettest Wettest since: 1964 2019
Oct 1962–Sep 1966
48-Month
138.15"
(3,509.01mm)
167.94"
(4,265.68mm)
-29.79"
(-756.67mm)
1st Driest Driest to Date 1966
123rd Wettest Wettest since: 1965 2021
Oct 1961–Sep 1966
60-Month
174.97"
(4,444.24mm)
209.89"
(5,331.21mm)
-34.92"
(-886.97mm)
1st Driest Driest to Date 1966
122nd Wettest Wettest since: 1965 2021

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published July 2022, retrieved on August 7, 2022 from https://www.ncei.noaa.gov/cag/