The following table lists the daily mean and record temperatures (°F) at Brookhaven National Laboratory for each day of the month. The period covered is from 1949 to 2006.
Maximum | Minimum | ||||||
Day | Mean | Average | High | Year | Average | Low | Year |
1 | 64.0 | 75.5 | 90.0 | 1987 | 52.6 | 31.0 | 1967 |
2 | 63.2 | 73.9 | 89.0 | 1961 | 52.6 | 34.0 | 1971 |
3 | 62.1 | 73.3 | 85.0 | 1999 | 50.9 | 33.0 | 1953 |
4 | 62.1 | 73.9 | 85.0 | 1971 | 50.3 | 35.0 | 1957 |
5 | 63.2 | 74.6 | 88.0 | 1953 | 51.9 | 34.5 | 1958 |
6 | 63.5 | 74.8 | 91.0 | 1968 | 52.3 | 37.5 | 1971 |
7 | 64.0 | 74.5 | 95.0 | 1999 | 53.5 | 39.0 | 1956 |
8 | 64.8 | 76.7 | 93.5 | 1984 | 53.0 | 36.0 | 1955 |
9 | 65.4 | 76.7 | 93.5 | 1984 | 54.2 | 35.0 | 1957 |
10 | 65.0 | 76.4 | 94.5 | 1974 | 53.7 | 36.0 | 1957 |
11 | 64.9 | 76.0 | 94.5 | 1973 | 53.8 | 37.0 | 1980 |
12 | 64.5 | 75.7 | 89.0 | 1973 | 53.3 | 35.0 | 1972 |
13 | 65.1 | 75.0 | 93.0 | 1983 | 55.2 | 36.5 | 1976 |
14 | 64.6 | 74.3 | 97.0 | 1956 | 54.9 | 38.0 | 1970 |
15 | 65.6 | 76.5 | 95.0 | 1988 | 54.7 | 35.5 | 1978 |
16 | 66.7 | 77.1 | 95.0 | 1957 | 56.2 | 36.5 | 1961 |
17 | 65.9 | 76.3 | 94.5 | 1957 | 55.6 | 38.0 | 1954 |
18 | 66.4 | 77.1 | 90.5 | 1957 | 55.7 | 33.5 | 1954 |
19 | 67.2 | 77.5 | 94.5 | 1994 | 56.8 | 30.0 | 1956 |
20 | 67.6 | 78.3 | 93.0 | 1995 | 56.8 | 34.0 | 1956 |
21 | 67.6 | 77.3 | 93.0 | 1953 | 57.9 | 42.0 | 1968 |
22 | 67.7 | 77.6 | 91.0 | 1988 | 57.8 | 44.0 | 1986 |
23 | 68.0 | 79.2 | 90.0 | 1983, 1999 | 56.8 | 42.0 | 1958 |
24 | 68.6 | 78.8 | 91.0 | 2003 | 58.3 | 44.5 | 1988 |
25 | 69.4 | 79.7 | 92.5 | 2003 | 59.1 | 43.0 | 1985 |
26 | 69.6 | 80.3 | 98.0 | 1952 | 58.9 | 39.0 | 1979 |
27 | 69.6 | 80.2 | 93.5 | 2003 | 59.0 | 40.0 | 1965 |
28 | 68.6 | 79.1 | 93.0 | 1963 | 58.1 | 43.0 | 1995 |
29 | 69.2 | 79.5 | 94.5 | 1959 | 58.9 | 41.0 | 1995 |
30 | 70.4 | 80.4 | 94.0 | 1964 | 60.4 | 46.0 | 1956 |
Mean | 66.2 | 76.9 | 92.4 | 55.4 | 37.7 |