<Tr> <Th> Average high ° C (° F) </Th> <Td> 23.3 (73.9) </Td> <Td> 23.3 (73.9) </Td> <Td> 22.2 (72) </Td> <Td> 20.6 (69.1) </Td> <Td> 18.9 (66) </Td> <Td> 17.2 (63) </Td> <Td> 16.1 (61) </Td> <Td> 17.2 (63) </Td> <Td> 17.2 (63) </Td> <Td> 18.9 (66) </Td> <Td> 20.6 (69.1) </Td> <Td> 22.2 (72) </Td> <Td> 19.8 (67.6) </Td> </Tr> <Tr> <Th> Daily mean ° C (° F) </Th> <Td> 20.3 (68.5) </Td> <Td> 20.3 (68.5) </Td> <Td> 19.2 (66.6) </Td> <Td> 17.5 (63.5) </Td> <Td> 15.8 (60.4) </Td> <Td> 14.2 (57.6) </Td> <Td> 13.1 (55.6) </Td> <Td> 13.9 (57) </Td> <Td> 14.2 (57.6) </Td> <Td> 15.8 (60.4) </Td> <Td> 17.8 (64) </Td> <Td> 19.2 (66.6) </Td> <Td> 16.8 (62.2) </Td> </Tr> <Tr> <Th> Average low ° C (° F) </Th> <Td> 17.2 (63) </Td> <Td> 17.2 (63) </Td> <Td> 16.1 (61) </Td> <Td> 14.4 (57.9) </Td> <Td> 12.8 (55) </Td> <Td> 11.1 (52) </Td> <Td> 10.0 (50) </Td> <Td> 10.6 (51.1) </Td> <Td> 11.1 (52) </Td> <Td> 12.8 (55) </Td> <Td> 15.0 (59) </Td> <Td> 16.1 (61) </Td> <Td> 13.7 (56.7) </Td> </Tr> <Tr> <Th> Record low ° C (° F) </Th> <Td> 8.3 (46.9) </Td> <Td> 8.9 (48) </Td> <Td> 9.4 (48.9) </Td> <Td> 5.0 (41) </Td> <Td> 4.4 (39.9) </Td> <Td> 5.6 (42.1) </Td> <Td> 3.9 (39) </Td> <Td> 4.4 (39.9) </Td> <Td> 4.4 (39.9) </Td> <Td> 5.0 (41) </Td> <Td> 5.0 (41) </Td> <Td> 5.0 (41) </Td> <Td> 3.9 (39) </Td> </Tr>

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