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 | 68.0 | 78.4 | 92.0 | 1953 | 57.6 | 41.0 | 1971 |
2 | 67.2 | 77.6 | 100.0 | 1953 | 56.9 | 41.0 | 1991 |
3 | 67.1 | 77.5 | 93.0 | 1953 | 56.7 | 37.5 | 1958 |
4 | 67.3 | 78.0 | 91.0 | 1985 | 56.7 | 40.0 | 1987 |
5 | 66.6 | 77.4 | 91.5 | 1985 | 55.9 | 40.0 | 1965 |
6 | 66.1 | 77.6 | 91.5 | 1983 | 54.5 | 37.0 | 1962 |
7 | 65.6 | 77.3 | 90.0 | 1983 | 53.9 | 36.0 | 1984 |
8 | 64.8 | 76.2 | 86.0 | 1985 | 53.5 | 36.0 | 1952 |
9 | 64.7 | 76.1 | 88.0 | 1959, 2002 | 53.3 | 33.0 | 1952 |
10 | 65.9 | 76.9 | 91.0 | 1983 | 54.8 | 34.5 | 1975 |
11 | 64.6 | 75.8 | 96.0 | 1983 | 53.5 | 37.5 | 1972 |
12 | 64.0 | 75.4 | 92.5 | 2005 | 52.6 | 34.0 | 1958 |
13 | 64.3 | 75.3 | 91.5 | 2005 | 53.3 | 35.0 | 1954 |
14 | 64.5 | 74.6 | 88.0 | 1972 | 54.4 | 34.0 | 1975 |
15 | 63.0 | 73.1 | 83.0 | 2005 | 52.9 | 33.0 | 1975 |
16 | 63.1 | 73.3 | 86.0 | 1991 | 52.9 | 31.5 | 1964 |
17 | 62.2 | 72.4 | 87.5 | 1991 | 52.1 | 34.0 | 1950 |
18 | 62.2 | 73.0 | 84.5 | 1965 | 51.3 | 29.0 | 1959 |
19 | 62.0 | 73.2 | 90.0 | 1983 | 50.7 | 30.0 | 1956 |
20 | 61.7 | 71.8 | 90.0 | 1983 | 51.5 | 33.5 | 1979 |
21 | 61.9 | 71.9 | 85.0 | 1980 | 51.8 | 30.0 | 1956 |
22 | 61.2 | 71.5 | 90.5 | 1980 | 51.0 | 28.0 | 1962 |
23 | 60.7 | 70.6 | 92.0 | 1970 | 50.8 | 28.0 | 1953 |
24 | 58.3 | 69.4 | 86.5 | 1970 | 47.1 | 25.0 | 1953 |
25 | 57.8 | 69.0 | 84.0 | 1984 | 46.6 | 29.5 | 1963 |
26 | 59.4 | 70.5 | 85.5 | 1970 | 48.3 | 32.0 | 1963 |
27 | 58.9 | 70.1 | 86.5 | 1998 | 47.7 | 28.0 | 1978 |
28 | 59.0 | 69.3 | 80.0 | 1959 | 48.8 | 30.0 | 1965 |
29 | 57.7 | 68.0 | 80.5 | 1959 | 47.5 | 29.5 | 1957 |
30 | 56.8 | 67.9 | 82.0 | 1986 | 45.6 | 27.0 | 1951 |
Mean | 62.9 | 73.6 | 88.5 | 52.1 | 33.2 |