<Tr> <Th> Average snowfall inches (cm) </Th> <Td> 21.5 (54.6) </Td> <Td> 22.3 (56.6) </Td> <Td> 15.5 (39.4) </Td> <Td> 10.4 (26.4) </Td> <Td> (3) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 0 (0) </Td> <Td> 1.0 (2.5) </Td> <Td> 3.7 (9.4) </Td> <Td> 15.1 (38.4) </Td> <Td> 91 (231) </Td> </Tr> <Tr> <Th> Average precipitation days (≥ 0.01 in) </Th> <Td> 13.4 </Td> <Td> 11.9 </Td> <Td> 13.5 </Td> <Td> 12.1 </Td> <Td> 13.9 </Td> <Td> 14.9 </Td> <Td> 16.0 </Td> <Td> 15.4 </Td> <Td> 11.4 </Td> <Td> 10.1 </Td> <Td> 10.7 </Td> <Td> 12.8 </Td> <Td> 156.0 </Td> </Tr> <Tr> <Th> Average snowy days (≥ 0.1 in) </Th> <Td> 6.6 </Td> <Td> 6.2 </Td> <Td> 4.1 </Td> <Td> 3.1 </Td> <Td> 0.3 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0 </Td> <Td> 0.4 </Td> <Td> 2.0 </Td> <Td> 4.9 </Td> <Td> 27.5 </Td> </Tr> <Tr> <Td_colspan="14"> Source: NOAA </Td> </Tr>

What and where are the tallest mountains east of the mississippi river