| Top 10 warmest Januaries | 
					 
					
						| Rank | 
						Value | 
						Year(s) | 
					 
					
						| 1 | 
						43.2 | 
						2006 | 
					 
					
						| 2 | 
						42.5 | 
						1933 | 
					 
					
						| 3 | 
						41.4 | 
						1923 | 
					 
					
						| 4 | 
						40.5 | 
						1939 | 
					 
					
						| 5 | 
						39.5 | 
						1990 | 
					 
					
						| 6 | 
						39.1 | 
						1921 | 
					 
					
						| 7 | 
						39.0 | 
						1931, 1992 | 
					 
					
						| 8 | 
						38.5 | 
						1914, 1989 | 
					 
					
						| 9 | 
						38.1 | 
						1986 | 
					 
					
						| 10 | 
						37.9 | 
						2012 | 
					 
				
			 
			 | 
			
			
				
					
						| Top 10 driest Januaries | 
					 
					
						| Rank | 
						Value | 
						Year(s) | 
					 
					
						| 1 | 
						0.00 | 
						1986, 1919, 1914 | 
					 
					
						| 2 | 
						0.02 | 
						1961, 1923, 1911 | 
					 
					
						| 3 | 
						0.03 | 
						1994, 2012 | 
					 
					
						| 4 | 
						0.04 | 
						1976 | 
					 
					
						| 5 | 
						0.08 | 
						2009, 1903 | 
					 
					
						| 6 | 
						0.09 | 
						1954 | 
					 
					
						| 7 | 
						0.10 | 
						1996, 1933, 1928, 1900 | 
					 
					
						| 8 | 
						0.11 | 
						2006 | 
					 
					
						| 9 | 
						0.12 | 
						2003, 1938, 1912, 1904 | 
					 
					
						| 10 | 
						0.14 | 
						1968 | 
					 
				
			 
			 |