<Tr> <Th> Mean minimum ° F (° C) </Th> <Td> − 2.5 (− 19.2) </Td> <Td> 3.4 (− 15.9) </Td> <Td> 14.9 (− 9.5) </Td> <Td> 26.6 (− 3) </Td> <Td> 37.7 (3.2) </Td> <Td> 48.2 (9) </Td> <Td> 55.0 (12.8) </Td> <Td> 53.8 (12.1) </Td> <Td> 40.6 (4.8) </Td> <Td> 29.6 (− 1.3) </Td> <Td> 20.0 (− 6.7) </Td> <Td> 3.3 (− 15.9) </Td> <Td> − 7.8 (− 22.1) </Td> </Tr> <Tr> <Th> Record low ° F (° C) </Th> <Td> − 27 (− 33) </Td> <Td> − 21 (− 29) </Td> <Td> − 7 (− 22) </Td> <Td> 18 (− 8) </Td> <Td> 28 (− 2) </Td> <Td> 37 (3) </Td> <Td> 46 (8) </Td> <Td> 41 (5) </Td> <Td> 30 (− 1) </Td> <Td> 20 (− 7) </Td> <Td> − 5 (− 21) </Td> <Td> − 23 (− 31) </Td> <Td> − 27 (− 33) </Td> </Tr> <Tr> <Th> Average precipitation inches (mm) </Th> <Td> 2.66 (67.6) </Td> <Td> 2.32 (58.9) </Td> <Td> 3.56 (90.4) </Td> <Td> 3.81 (96.8) </Td> <Td> 5.05 (128.3) </Td> <Td> 4.25 (108) </Td> <Td> 4.55 (115.6) </Td> <Td> 3.13 (79.5) </Td> <Td> 3.12 (79.2) </Td> <Td> 3.12 (79.2) </Td> <Td> 3.70 (94) </Td> <Td> 3.17 (80.5) </Td> <Td> 42.44 (1,078) </Td> </Tr> <Tr> <Th> Average snowfall inches (cm) </Th> <Td> 8.6 (21.8) </Td> <Td> 6.5 (16.5) </Td> <Td> 2.6 (6.6) </Td> <Td> 0.2 (0.5) </Td> <Td> trace </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0.4 (1) </Td> <Td> 0.7 (1.8) </Td> <Td> 6.9 (17.5) </Td> <Td> 25.9 (65.8) </Td> </Tr>

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