<Tr> <Th> Average snowy days (≥ 0.1 in) </Th> <Td> 9.1 </Td> <Td> 6.6 </Td> <Td> 4.5 </Td> <Td> </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0.1 </Td> <Td> 1.8 </Td> <Td> 6.5 </Td> <Td> 29.8 </Td> </Tr> <Tr> <Th> Average relative humidity (%) </Th> <Td> 71.4 </Td> <Td> 69.5 </Td> <Td> 64.5 </Td> <Td> 62.5 </Td> <Td> 66.5 </Td> <Td> 68.5 </Td> <Td> 70.6 </Td> <Td> 72.8 </Td> <Td> 72.8 </Td> <Td> 69.3 </Td> <Td> 71.8 </Td> <Td> 74.1 </Td> <Td> 69.5 </Td> </Tr> <Tr> <Th> Mean monthly sunshine hours </Th> <Td> 110.6 </Td> <Td> 126.3 </Td> <Td> 162.0 </Td> <Td> 201.8 </Td> <Td> 243.4 </Td> <Td> 258.1 </Td> <Td> 260.9 </Td> <Td> 235.9 </Td> <Td> 212.0 </Td> <Td> 183.1 </Td> <Td> 104.2 </Td> <Td> 84.3 </Td> <Td> 2,182.6 </Td> </Tr> <Tr> <Th> Percent possible sunshine </Th> <Td> 37 </Td> <Td> 42 </Td> <Td> 44 </Td> <Td> 51 </Td> <Td> 55 </Td> <Td> 57 </Td> <Td> 57 </Td> <Td> 56 </Td> <Td> 57 </Td> <Td> 53 </Td> <Td> 35 </Td> <Td> 29 </Td> <Td> 49 </Td> </Tr>

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