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 October 2019. For more information, please see Climatological Rankings.


Pennsylvania

Precipitation Rankings, September 1921

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
(1895-2019)
Wettest/Driest
Since
Record
September 1921
1-Month
4.75"
(120.65mm)
3.59"
(91.19mm)
1.16"
(29.46mm)
102nd Driest Driest since: 1920 1943
24th Wettest Wettest since: 1912 2011
Aug–Sep 1921
2-Month
8.52"
(216.41mm)
7.45"
(189.23mm)
1.07"
(27.18mm)
93rd Driest Driest since: 1919 1943
33rd Wettest Wettest since: 1920 2011
Jul–Sep 1921
3-Month
12.80"
(325.12mm)
11.64"
(295.66mm)
1.16"
(29.46mm)
88th Driest Driest since: 1919 1930
38th Wettest Wettest since: 1920 2018
Jun–Sep 1921
4-Month
15.93"
(404.62mm)
15.81"
(401.57mm)
0.12"
(3.05mm)
60th Driest Driest since: 1918 1930
66th Wettest Wettest since: 1920 2018
May–Sep 1921
5-Month
20.02"
(508.51mm)
19.74"
(501.40mm)
0.28"
(7.11mm)
60th Driest Driest since: 1918 1930
66th Wettest Wettest since: 1920 2018
Ties: 1918
Apr–Sep 1921
6-Month
23.19"
(589.03mm)
23.38"
(593.85mm)
-0.19"
(-4.82mm)
59th Driest Driest since: 1917 1930
67th Wettest Wettest since: 1920 2018
Mar–Sep 1921
7-Month
26.52"
(673.61mm)
26.87"
(682.50mm)
-0.35"
(-8.89mm)
52nd Driest Driest since: 1915 1930
74th Wettest Wettest since: 1920 2011
Feb–Sep 1921
8-Month
29.08"
(738.63mm)
29.47"
(748.54mm)
-0.39"
(-9.91mm)
54th Driest Driest since: 1917 1995
72nd Wettest Wettest since: 1920 2011
Jan–Sep 1921
9-Month
31.60"
(802.64mm)
32.52"
(826.01mm)
-0.92"
(-23.37mm)
50th Driest Driest since: 1914 1930
76th Wettest Wettest since: 1920 2018
Dec 1920–Sep 1921
10-Month
34.82"
(884.43mm)
35.62"
(904.75mm)
-0.80"
(-20.32mm)
51st Driest Driest since: 1917 1963
74th Wettest Wettest since: 1920 2011
Ties: 2010
Nov 1920–Sep 1921
11-Month
38.59"
(980.19mm)
38.83"
(986.28mm)
-0.24"
(-6.09mm)
64th Driest Driest since: 1919 1963
61st Wettest Wettest since: 1920 2011
Oct 1920–Sep 1921
12-Month
40.29"
(1,023.37mm)
42.00"
(1,066.80mm)
-1.71"
(-43.43mm)
44th Driest Driest since: 1917 1925
81st Wettest Wettest since: 1920 2011
Ties: 1944
Apr 1920–Sep 1921
18-Month
65.04"
(1,652.02mm)
65.31"
(1,658.87mm)
-0.27"
(-6.85mm)
52nd Driest Driest since: 1917 1966
73rd Wettest Wettest since: 1920 2019
Oct 1919–Sep 1921
24-Month
84.51"
(2,146.55mm)
83.94"
(2,132.08mm)
0.57"
(14.47mm)
61st Driest Driest since: 1919 1966
63rd Wettest Wettest since: 1920 2019
Oct 1918–Sep 1921
36-Month
126.18"
(3,204.97mm)
125.94"
(3,198.88mm)
0.24"
(6.09mm)
55th Driest Driest since: 1919 1965
68th Wettest Wettest since: 1920 2019
Oct 1917–Sep 1921
48-Month
168.34"
(4,275.84mm)
167.94"
(4,265.68mm)
0.40"
(10.16mm)
52nd Driest Driest since: 1920 1966
70th Wettest Wettest since: 1918 2006
Oct 1916–Sep 1921
60-Month
207.34"
(5,266.44mm)
209.89"
(5,331.21mm)
-2.55"
(-64.77mm)
37th Driest Driest since: 1913 1966
84th Wettest Wettest since: 1920 2007
Ties: 1989

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on December 5, 2019 from https://www.ncdc.noaa.gov/cag/