
| Date | Average High | Average Low | Record High | Record Low |
| 1 | 42 | 26 | 66 (1952) | -2 (2001) |
| 2 | 42 | 26 | 69 (1966) | 2 (1979) |
| 3 | 43 | 28 | 67 (1950) | 7 (1979) |
| 4 | 42 | 24 | 69 (1997) | 6 (1959) |
| 5 | 40 | 25 | 66 (1955) | 4 (1972) |
| 6 | 41 | 26 | 65 (2008) | 4 (1970) |
| 7 | 40 | 23 | 67 (2008) | -1 (1968) |
| 8 | 40 | 22 | 69 (1965) | -4 (1970) |
| 9 | 40 | 24 | 62 (1990) | 1 (1979) |
| 10 | 39 | 22 | 63 (1975) | -10 (1982) |
| 11 | 39 | 22 | 68 (1998) | -18 (1977) |
| 12 | 40 | 24 | 67 (1995) | -7 (1977) |
| 13 | 43 | 24 | 70 (1960) | -3 (1977) |
| 14 | 42 | 25 | 66 (1960) | -3 (1982) |
| 15 | 42 | 25 | 69 (1949) | -2 (1979) |
| 16 | 41 | 22 | 70 (1952) | -12 (1982) |
| 17 | 40 | 23 | 68 (1952) | -16 (1977) |
| 18 | 41 | 23 | 66 (1996) | -10 (1994) |
| 19 | 41 | 23 | 68 (1952) | -11 (1994) |
| 20 | 41 | 24 | 68 (1951) | -15 (1985) |
| 21 | 40 | 23 | 68 (1999) | -9 (1984) |
| 22 | 44 | 26 | 66 (1967) | -2 (1977) |
| 23 | 44 | 25 | 73 (1967) | -14 (1963) |
| 24 | 45 | 27 | 73 (1950) | -14 (1963) |
| 25 | 44 | 27 | 72 (1950) | 1 (1963) |
| 26 | 44 | 26 | 69 (1952) | -2 (1978) |
| 27 | 43 | 25 | 65 (1999) | -7 (1961) |
| 28 | 43 | 23 | 70 (1970) | -12 (1961) |
| 29 | 42 | 24 | 72 (1987) | -3 (1985) |
| 30 | 41 | 23 | 70 (1947) | -5 (1966) |
| 31 | 42 | 24 | 66 (1993) | -8 (1965) |