<Tr> <Th> Average precipitation days (≥ 0.01 in) </Th> <Td> 9.6 </Td> <Td> 9.2 </Td> <Td> 8.8 </Td> <Td> 6.8 </Td> <Td> 8.0 </Td> <Td> 10.6 </Td> <Td> 9.1 </Td> <Td> 8.3 </Td> <Td> 8.0 </Td> <Td> 7.9 </Td> <Td> 8.2 </Td> <Td> 9.5 </Td> <Td> 104.0 </Td> </Tr> <Tr> <Th> Average relative humidity (%) </Th> <Td> 74.7 </Td> <Td> 73.4 </Td> <Td> 72.7 </Td> <Td> 73.1 </Td> <Td> 75.0 </Td> <Td> 74.6 </Td> <Td> 74.4 </Td> <Td> 75.1 </Td> <Td> 76.8 </Td> <Td> 75.4 </Td> <Td> 76.0 </Td> <Td> 75.5 </Td> <Td> 74.7 </Td> </Tr> <Tr> <Th> Mean monthly sunshine hours </Th> <Td> 143.4 </Td> <Td> 155.0 </Td> <Td> 192.5 </Td> <Td> 209.8 </Td> <Td> 249.2 </Td> <Td> 281.3 </Td> <Td> 293.9 </Td> <Td> 270.5 </Td> <Td> 236.5 </Td> <Td> 228.8 </Td> <Td> 168.3 </Td> <Td> 148.7 </Td> <Td> 2,577.9 </Td> </Tr> <Tr> <Th> Percent possible sunshine </Th> <Td> 44 </Td> <Td> 50 </Td> <Td> 52 </Td> <Td> 54 </Td> <Td> 59 </Td> <Td> 67 </Td> <Td> 68 </Td> <Td> 66 </Td> <Td> 64 </Td> <Td> 64 </Td> <Td> 53 </Td> <Td> 47 </Td> <Td> 58 </Td> </Tr>

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