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 December 2020. For more information, please see Climatological Rankings.
Pennsylvania
Average Temperature Rankings, September 1977
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
September 1977 1-Month |
63.4°F (17.4°C) | 61.7°F (16.5°C) |
1.7°F (0.9°C) | 91st Coolest | Coolest since: 1976 | 1918 |
| 36th Warmest | Warmest since: 1971 | 1961 | ||||
| Ties: 1910, 1929, 1939, 2008 | ||||||
|
Aug–Sep 1977 2-Month |
66.0°F (18.9°C) | 65.0°F (18.3°C) |
1.0°F (0.6°C) | 87th Coolest | Coolest since: 1976 | 1963 |
| 40th Warmest | Warmest since: 1973 | 2016 | ||||
| Ties: 1971, 2001, 2004 | ||||||
|
Jul–Sep 1977 3-Month |
67.8°F (19.9°C) | 66.8°F (19.3°C) |
1.0°F (0.6°C) | 90th Coolest | Coolest since: 1976 | 1924, 1962, 1963, 1976 |
| 37th Warmest | Warmest since: 1973 | 2016 | ||||
| Ties: 1916, 1933, 1944, 1952 | ||||||
|
Jun–Sep 1977 4-Month |
66.7°F (19.3°C) | 66.6°F (19.2°C) |
0.1°F (0.1°C) | 59th Coolest | Coolest since: 1976 | 1924 |
| 68th Warmest | Warmest since: 1973 | 2005, 2016 | ||||
| Ties: 1942, 2001 | ||||||
|
May–Sep 1977 5-Month |
65.5°F (18.6°C) | 64.8°F (18.2°C) |
0.7°F (0.4°C) | 83rd Coolest | Coolest since: 1976 | 1924 |
| 44th Warmest | Warmest since: 1970 | 2018 | ||||
| Ties: 1919, 1937, 1941, 1942, 1952, 1993, 2013 | ||||||
|
Apr–Sep 1977 6-Month |
62.9°F (17.2°C) | 61.8°F (16.6°C) |
1.1°F (0.6°C) | 98th Coolest | Coolest since: 1976 | 1907, 1924 |
| 29th Warmest | Warmest since: 1970 | 2010 | ||||
| Ties: 1898, 1970 | ||||||
|
Mar–Sep 1977 7-Month |
59.8°F (15.4°C) | 58.1°F (14.5°C) |
1.7°F (0.9°C) | 113th Coolest | Coolest since: 1976 | 1924 |
| 14th Warmest | Warmest since: 1959 | 2010 | ||||
| Ties: 1959, 1987 | ||||||
|
Feb–Sep 1977 8-Month |
55.6°F (13.1°C) | 54.2°F (12.3°C) |
1.4°F (0.8°C) | 107th Coolest | Coolest since: 1976 | 1924 |
| 20th Warmest | Warmest since: 1959 | 2012 | ||||
| Ties: 1938, 1987 | ||||||
|
Jan–Sep 1977 9-Month |
50.8°F (10.4°C) | 50.9°F (10.5°C) |
-0.1°F (-0.1°C) | 53rd Coolest | Coolest since: 1972 | 1940 |
| 74th Warmest | Warmest since: 1976 | 2012 | ||||
| Ties: 1934, 1941 | ||||||
|
Dec 1976–Sep 1977 10-Month |
48.0°F (8.9°C) | 48.8°F (9.3°C) |
-0.8°F (-0.4°C) | 31st Coolest | Coolest since: 1971 | 1904 |
| 95th Warmest | Warmest since: 1976 | 2012 | ||||
| Ties: 1915, 1916, 1928, 1962, 2003 | ||||||
|
Nov 1976–Sep 1977 11-Month |
46.7°F (8.2°C) | 47.9°F (8.8°C) |
-1.2°F (-0.6°C) | 17th Coolest | Coolest since: 1963 | 1904 |
| 109th Warmest | Warmest since: 1976 | 2012 | ||||
| Ties: 2014 | ||||||
|
Oct 1976–Sep 1977 12-Month |
46.6°F (8.1°C) | 48.2°F (9.0°C) |
-1.6°F (-0.9°C) | 10th Coolest | Coolest since: 1963 | 1904 |
| 116th Warmest | Warmest since: 1976 | 2012 | ||||
| Ties: 1912, 1917, 1982 | ||||||
|
Apr 1976–Sep 1977 18-Month |
51.4°F (10.8°C) | 52.8°F (11.6°C) |
-1.4°F (-0.8°C) | 6th Coolest | Coolest since: 1963 | 1918 |
| 120th Warmest | Warmest since: 1976 | 2012 | ||||
|
Oct 1975–Sep 1977 24-Month |
47.8°F (8.8°C) | 48.1°F (8.9°C) |
-0.3°F (-0.1°C) | 40th Coolest | Coolest since: 1971 | 1905 |
| 85th Warmest | Warmest since: 1976 | 2017 | ||||
| Ties: 1919, 1965, 1980 | ||||||
|
Oct 1974–Sep 1977 36-Month |
47.9°F (8.8°C) | 48.1°F (8.9°C) |
-0.2°F (-0.1°C) | 42nd Coolest | Coolest since: 1972 | 1979 |
| 82nd Warmest | Warmest since: 1976 | 2018 | ||||
| Ties: 1914, 1929, 1961 | ||||||
|
Oct 1973–Sep 1977 48-Month |
48.1°F (8.9°C) | 48.1°F (8.9°C) |
0.0°F (0.0°C) | 47th Coolest | Coolest since: 1973 | 1907 |
| 76th Warmest | Warmest since: 1976 | 2019 | ||||
| Ties: 1911, 1913, 1916, 1930, 1946, 1958 | ||||||
|
Oct 1972–Sep 1977 60-Month |
48.3°F (9.1°C) | 48.1°F (8.9°C) |
0.2°F (0.2°C) | 66th Coolest | Coolest since: 1974 | 1908 |
| 56th Warmest | Warmest since: 1976 | 2020 | ||||
| Ties: 1900, 1931, 1937, 1942, 1947, 1948, 1958, 1986 | ||||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 15, 2021 from https://www.ncdc.noaa.gov/cag/