Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Pennsylvania

Average Temperature Rankings, September 2011

View Period (Months):
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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 2011
1-Month
64.4°F
(18.0°C)
61.7°F
(16.5°C)
2.7°F
(1.5°C)
110th Coolest
Coolest since:
1918
19th Warmest
Warmest since:
1961
Ties: 1945, 2007
Aug–Sep 2011
2-Month
66.9°F
(19.4°C)
65.0°F
(18.3°C)
1.9°F
(1.1°C)
104th Coolest
Coolest since:
1963
25th Warmest
Warmest since:
2016
Ties: 1983
Jul–Sep 2011
3-Month
69.4°F
(20.8°C)
66.9°F
(19.4°C)
2.5°F
(1.4°C)
120th Coolest
Coolest since:
1924, 1962, 1963, 1976
9th Warmest
Warmest since:
2016
Ties: 2021
Jun–Sep 2011
4-Month
69.0°F
(20.6°C)
66.6°F
(19.2°C)
2.4°F
(1.4°C)
121st Coolest
Coolest since:
1924
8th Warmest
Warmest since:
2005, 2016
Ties: 2020
May–Sep 2011
5-Month
67.4°F
(19.7°C)
64.8°F
(18.2°C)
2.6°F
(1.5°C)
124th Coolest
Coolest since:
1924
5th Warmest
Warmest since:
2018
Apr–Sep 2011
6-Month
64.5°F
(18.1°C)
61.9°F
(16.6°C)
2.6°F
(1.5°C)
127th Coolest
Coolest since:
1907, 1924
2nd Warmest
Warmest since:
2010
Mar–Sep 2011
7-Month
60.4°F
(15.8°C)
58.1°F
(14.5°C)
2.3°F
(1.3°C)
122nd Coolest
Coolest since:
1924
7th Warmest
Warmest since:
2010
Feb–Sep 2011
8-Month
56.5°F
(13.6°C)
54.2°F
(12.3°C)
2.3°F
(1.3°C)
120th Coolest
Coolest since:
1924
9th Warmest
Warmest since:
2012
Ties: 2017
Jan–Sep 2011
9-Month
52.7°F
(11.5°C)
51.0°F
(10.6°C)
1.7°F
(0.9°C)
112th Coolest
Coolest since:
1940
17th Warmest
Warmest since:
2012
Ties: 1898, 2018
Dec 2010–Sep 2011
10-Month
50.0°F
(10.0°C)
48.8°F
(9.3°C)
1.2°F
(0.7°C)
95th Coolest
Coolest since:
1904
33rd Warmest
Warmest since:
2012
Ties: 1930, 1939
Nov 2010–Sep 2011
11-Month
49.1°F
(9.5°C)
47.9°F
(8.8°C)
1.2°F
(0.7°C)
100th Coolest
Coolest since:
1904
28th Warmest
Warmest since:
2012
Ties: 1939, 1973, 2004, 2013
Oct 2010–Sep 2011
12-Month
49.3°F
(9.6°C)
48.1°F
(8.9°C)
1.2°F
(0.7°C)
96th Coolest
Coolest since:
1904
32nd Warmest
Warmest since:
2012
Ties: 1939, 1954, 1957
Apr 2010–Sep 2011
18-Month
54.5°F
(12.5°C)
52.7°F
(11.5°C)
1.8°F
(1.0°C)
115th Coolest
Coolest since:
1918
13th Warmest
Warmest since:
2012
Oct 2009–Sep 2011
24-Month
49.9°F
(9.9°C)
48.1°F
(8.9°C)
1.8°F
(1.0°C)
114th Coolest
Coolest since:
1905
13th Warmest
Warmest since:
2017
Ties: 1922, 2000, 2006
Oct 2008–Sep 2011
36-Month
49.3°F
(9.6°C)
48.1°F
(8.9°C)
1.2°F
(0.7°C)
102nd Coolest
Coolest since:
1979
24th Warmest
Warmest since:
2018
Ties: 1934, 1993
Oct 2007–Sep 2011
48-Month
49.4°F
(9.7°C)
48.1°F
(8.9°C)
1.3°F
(0.8°C)
108th Coolest
Coolest since:
1907
17th Warmest
Warmest since:
2019
Ties: 1933, 2009
Oct 2006–Sep 2011
60-Month
49.4°F
(9.7°C)
48.1°F
(8.9°C)
1.3°F
(0.8°C)
109th Coolest
Coolest since:
1908
15th Warmest
Warmest since:
2020
Ties: 2001, 2003, 2009

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