Statewide Rankings

Statewide Data Info
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Pennsylvania

Average Temperature Rankings, December 1909

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1909
1-Month
24.4°F
(-4.2°C)
28.9°F
(-1.7°C)
-4.5°F
(-2.5°C)
15th Coolest
Coolest since:
1989
113th Warmest
Warmest since:
2015
Ties: 1926
Nov–Dec 1909
2-Month
34.0°F
(1.1°C)
34.1°F
(1.2°C)
-0.1°F
(-0.1°C)
50th Coolest
Coolest since:
1917
78th Warmest
Warmest since:
2015
Ties: 1929, 1939
Oct–Dec 1909
3-Month
38.0°F
(3.3°C)
39.6°F
(4.2°C)
-1.6°F
(-0.9°C)
23rd Coolest
Coolest since:
1917
105th Warmest
Warmest since:
2015
Sep–Dec 1909
4-Month
43.6°F
(6.4°C)
45.1°F
(7.3°C)
-1.5°F
(-0.9°C)
18th Coolest
Coolest since:
1917
110th Warmest
Warmest since:
2015
Ties: 1967, 1981
Aug–Dec 1909
5-Month
48.4°F
(9.1°C)
49.8°F
(9.9°C)
-1.4°F
(-0.8°C)
15th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2015
Ties: 1981
Jul–Dec 1909
6-Month
51.6°F
(10.9°C)
53.2°F
(11.8°C)
-1.6°F
(-0.9°C)
10th Coolest
Coolest since:
1976
118th Warmest
Warmest since:
1931, 2015
Ties: 1967
Jun–Dec 1909
7-Month
53.8°F
(12.1°C)
55.0°F
(12.8°C)
-1.2°F
(-0.7°C)
15th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2015
May–Dec 1909
8-Month
54.3°F
(12.4°C)
55.4°F
(13.0°C)
-1.1°F
(-0.6°C)
17th Coolest
Coolest since:
1917
111th Warmest
Warmest since:
2015
Ties: 1963, 2000
Apr–Dec 1909
9-Month
53.4°F
(11.9°C)
54.4°F
(12.4°C)
-1.0°F
(-0.5°C)
15th Coolest
Coolest since:
1917
113th Warmest
Warmest since:
2015
Ties: 1910, 1925, 1935, 1940
Mar–Dec 1909
10-Month
51.4°F
(10.8°C)
52.6°F
(11.4°C)
-1.2°F
(-0.6°C)
14th Coolest
Coolest since:
1917
114th Warmest
Warmest since:
2021
Ties: 1962
Feb–Dec 1909
11-Month
49.7°F
(9.8°C)
50.2°F
(10.1°C)
-0.5°F
(-0.3°C)
28th Coolest
Coolest since:
1917
100th Warmest
Warmest since:
2012
Ties: 1903, 1910, 1935, 1947, 1969, 1979
Jan–Dec 1909
12-Month
47.9°F
(8.8°C)
48.1°F
(8.9°C)
-0.2°F
(-0.1°C)
43rd Coolest
Coolest since:
1917
85th Warmest
Warmest since:
1998, 2012
Ties: 1897, 1899, 1928, 1929, 1956, 1977, 1982
Jul 1908–Dec 1909
18-Month
49.8°F
(9.9°C)
49.8°F
(9.9°C)
0.0°F
(0.0°C)
52nd Coolest
Coolest since:
1904
75th Warmest
Warmest since:
2012
Ties: 1923, 1928, 1950, 1956, 1960, 1972, 1994
Jan 1908–Dec 1909
24-Month
48.2°F
(9.0°C)
48.2°F
(9.0°C)
0.0°F
(0.0°C)
57th Coolest
Coolest since:
1905
70th Warmest
Warmest since:
2021
Ties: 1901, 1948, 1960, 1995, 2014
Jan 1907–Dec 1909
36-Month
47.5°F
(8.6°C)
48.1°F
(8.9°C)
-0.6°F
(-0.3°C)
23rd Coolest
Coolest since:
1905, 1926
103rd Warmest
Warmest since:
2012
Ties: 1897, 1903, 1928
Jan 1906–Dec 1909
48-Month
47.8°F
(8.8°C)
48.1°F
(8.9°C)
-0.3°F
(-0.1°C)
32nd Coolest
Coolest since:
1907
93rd Warmest
Warmest since:
2021
Ties: 1915, 1962
Jan 1905–Dec 1909
60-Month
47.6°F
(8.7°C)
48.1°F
(8.9°C)
-0.5°F
(-0.2°C)
25th Coolest
Coolest since:
1905, 1907
99th Warmest
Warmest since:
2020, 2021
Ties: 1929, 1963, 1978

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