<Tr> <Th> Record high ° F (° C) </Th> <Td> 85 (29) </Td> <Td> 90 (32) </Td> <Td> 100 (38) </Td> <Td> 100 (38) </Td> <Td> 101 (38) </Td> <Td> 112 (44) </Td> <Td> 111 (44) </Td> <Td> 109 (43) </Td> <Td> 107 (42) </Td> <Td> 101 (38) </Td> <Td> 91 (33) </Td> <Td> 87 (31) </Td> <Td> 112 (44) </Td> </Tr> <Tr> <Th> Average high ° F (° C) </Th> <Td> 56.6 (13.7) </Td> <Td> 60.7 (15.9) </Td> <Td> 68.0 (20) </Td> <Td> 75.8 (24.3) </Td> <Td> 83.4 (28.6) </Td> <Td> 90.7 (32.6) </Td> <Td> 95.5 (35.3) </Td> <Td> 96.2 (35.7) </Td> <Td> 88.5 (31.4) </Td> <Td> 78.5 (25.8) </Td> <Td> 67.6 (19.8) </Td> <Td> 57.3 (14.1) </Td> <Td> 76.6 (24.8) </Td> </Tr> <Tr> <Th> Average low ° F (° C) </Th> <Td> 36.5 (2.5) </Td> <Td> 40.5 (4.7) </Td> <Td> 47.9 (8.8) </Td> <Td> 55.5 (13.1) </Td> <Td> 64.0 (17.8) </Td> <Td> 72.0 (22.2) </Td> <Td> 75.8 (24.3) </Td> <Td> 75.9 (24.4) </Td> <Td> 68.1 (20.1) </Td> <Td> 57.7 (14.3) </Td> <Td> 46.6 (8.1) </Td> <Td> 37.5 (3.1) </Td> <Td> 56.6 (13.7) </Td> </Tr> <Tr> <Th> Record low ° F (° C) </Th> <Td> − 2 (− 19) </Td> <Td> 9 (− 13) </Td> <Td> 12 (− 11) </Td> <Td> 30 (− 1) </Td> <Td> 39 (4) </Td> <Td> 53 (12) </Td> <Td> 58 (14) </Td> <Td> 58 (14) </Td> <Td> 42 (6) </Td> <Td> 24 (− 4) </Td> <Td> 16 (− 9) </Td> <Td> (− 17) </Td> <Td> − 2 (− 19) </Td> </Tr>

The grand prairie has what kind of geographical land around it