<Tr> <Th> Record high ° F (° C) </Th> <Td> 76 (24) </Td> <Td> 83 (28) </Td> <Td> 89 (32) </Td> <Td> 94 (34) </Td> <Td> 103 (39) </Td> <Td> 108 (42) </Td> <Td> 112 (44) </Td> <Td> 113 (45) </Td> <Td> 109 (43) </Td> <Td> 98 (37) </Td> <Td> 83 (28) </Td> <Td> 74 (23) </Td> <Td> 113 (45) </Td> </Tr> <Tr> <Th> Mean maximum ° F (° C) </Th> <Td> 61.5 (16.4) </Td> <Td> 68.1 (20.1) </Td> <Td> 78.1 (25.6) </Td> <Td> 84.4 (29.1) </Td> <Td> 89.3 (31.8) </Td> <Td> 94.8 (34.9) </Td> <Td> 100.1 (37.8) </Td> <Td> 100.3 (37.9) </Td> <Td> 93.3 (34.1) </Td> <Td> 84.8 (29.3) </Td> <Td> 73.5 (23.1) </Td> <Td> 62.8 (17.1) </Td> <Td> 102.1 (38.9) </Td> </Tr> <Tr> <Th> Average high ° F (° C) </Th> <Td> 39.5 (4.2) </Td> <Td> 44.6 (7) </Td> <Td> 56.2 (13.4) </Td> <Td> 66.7 (19.3) </Td> <Td> 75.9 (24.4) </Td> <Td> 85.0 (29.4) </Td> <Td> 90.1 (32.3) </Td> <Td> 88.6 (31.4) </Td> <Td> 80.0 (26.7) </Td> <Td> 67.8 (19.9) </Td> <Td> 54.2 (12.3) </Td> <Td> 41.8 (5.4) </Td> <Td> 65.9 (18.8) </Td> </Tr> <Tr> <Th> Average low ° F (° C) </Th> <Td> 22.4 (− 5.3) </Td> <Td> 26.3 (− 3.2) </Td> <Td> 35.8 (2.1) </Td> <Td> 46.6 (8.1) </Td> <Td> 57.1 (13.9) </Td> <Td> 66.7 (19.3) </Td> <Td> 72.0 (22.2) </Td> <Td> 70.2 (21.2) </Td> <Td> 60.5 (15.8) </Td> <Td> 48.9 (9.4) </Td> <Td> 36.6 (2.6) </Td> <Td> 25.6 (− 3.6) </Td> <Td> 47.4 (8.6) </Td> </Tr>

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