<Tr> <Th> Average high ° F (° C) </Th> <Td> 71.4 (21.9) </Td> <Td> 71.4 (21.9) </Td> <Td> 76.1 (24.5) </Td> <Td> 81.2 (27.3) </Td> <Td> 86.2 (30.1) </Td> <Td> 89.1 (31.7) </Td> <Td> 89.9 (32.2) </Td> <Td> 90 (32) </Td> <Td> 88.5 (31.4) </Td> <Td> 83.6 (28.7) </Td> <Td> 76.4 (24.7) </Td> <Td> 71.9 (22.2) </Td> <Td> 81.3 (27.4) </Td> </Tr> <Tr> <Th> Daily mean ° F (° C) </Th> <Td> 62.3 (16.8) </Td> <Td> 62.3 (16.8) </Td> <Td> 66.9 (19.4) </Td> <Td> 71.9 (22.2) </Td> <Td> 77.2 (25.1) </Td> <Td> 80.9 (27.2) </Td> <Td> 82.1 (27.8) </Td> <Td> 82.1 (27.8) </Td> <Td> 80.7 (27.1) </Td> <Td> 75.1 (23.9) </Td> <Td> 67.2 (19.6) </Td> <Td> 62.8 (17.1) </Td> <Td> 72.6 (22.6) </Td> </Tr> <Tr> <Th> Average low ° F (° C) </Th> <Td> 52.9 (11.6) </Td> <Td> 53.2 (11.8) </Td> <Td> 57.8 (14.3) </Td> <Td> 62.7 (17.1) </Td> <Td> 68.2 (20.1) </Td> <Td> 72.6 (22.6) </Td> <Td> 74.2 (23.4) </Td> <Td> 74.2 (23.4) </Td> <Td> 72.9 (22.7) </Td> <Td> 66.5 (19.2) </Td> <Td> 58.1 (14.5) </Td> <Td> 53.7 (12.1) </Td> <Td> 63.9 (17.7) </Td> </Tr> <Tr> <Th> Record low ° F (° C) </Th> <Td> 24 (− 4) </Td> <Td> 27 (− 3) </Td> <Td> 29 (− 2) </Td> <Td> 41 (5) </Td> <Td> 53 (12) </Td> <Td> 60 (16) </Td> <Td> 62 (17) </Td> <Td> 65 (18) </Td> <Td> 61 (16) </Td> <Td> 45 (7) </Td> <Td> 27 (− 3) </Td> <Td> 19 (− 7) </Td> <Td> 19 (− 7) </Td> </Tr>

Where does the sand on clearwater beach come from