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 | 52.4 | 64.3 | 82.0 | 1957, 2001 | 40.4 | 24.5 | 1961 |
2 | 52.6 | 63.2 | 89.0 | 2001 | 42.0 | 25.0 | 1956 |
3 | 52.1 | 63.1 | 89.0 | 2001 | 41.2 | 25.0 | 1966 |
4 | 52.7 | 65.1 | 91.5 | 2001 | 40.3 | 28.0 | 1952 |
5 | 52.7 | 64.5 | 88.0 | 1955 | 41.0 | 25.0 | 1966 |
6 | 54.2 | 66.6 | 89.0 | 1986 | 41.8 | 28.0 | 1969 |
7 | 53.3 | 66.2 | 90.0 | 2000 | 40.3 | 27.0 | 2001 |
8 | 53.1 | 63.5 | 90.0 | 2000 | 42.6 | 24.0 | 1968 |
9 | 54.7 | 65.8 | 86.0 | 1963 | 43.6 | 26.0 | 1985 |
10 | 56.2 | 67.3 | 91.0 | 1970 | 45.1 | 25.0 | 1983 |
11 | 56.3 | 67.2 | 86.0 | 1953 | 45.4 | 28.0 | 1986 |
12 | 57.1 | 68.2 | 86.5 | 2004 | 46.1 | 30.0 | 1983 |
13 | 56.2 | 67.7 | 87.0 | 1956 | 44.6 | 26.0 | 1962 |
14 | 55.4 | 67.4 | 84.0 | 1991 | 43.4 | 27.0 | 1996 |
15 | 56.5 | 68.1 | 84.0 | 1951 | 44.9 | 29.0 | 1971 |
16 | 57.0 | 67.6 | 87.0 | 1951 | 46.4 | 30.5 | 1966 |
17 | 57.7 | 68.9 | 88.5 | 1974 | 46.5 | 29.0 | 1959 |
18 | 57.3 | 67.6 | 89.0 | 1977 | 46.9 | 29.0 | 1984 |
19 | 57.5 | 68.2 | 86.5 | 1998 | 46.8 | 32.0 | 2002 |
20 | 58.4 | 69.2 | 97.5 | 1996 | 47.6 | 28.5 | 1992 |
21 | 59.0 | 70.5 | 91.0 | 1996 | 47.4 | 28.0 | 1950 |
22 | 59.2 | 71.1 | 91.5 | 1992 | 47.2 | 33.0 | 1950, 2002 |
23 | 59.7 | 71.8 | 91.0 | 1964 | 47.5 | 33.0 | 1950 |
24 | 59.6 | 70.3 | 91.0 | 1975 | 48.9 | 25.0 | 1956 |
25 | 58.6 | 68.9 | 91.0 | 1991 | 48.3 | 25.0 | 1956 |
26 | 58.6 | 69.5 | 93.0 | 1965 | 47.6 | 30.5 | 1992 |
27 | 59.1 | 70.6 | 88.0 | 1965 | 47.7 | 29.0 | 1972 |
28 | 59.8 | 72.1 | 89.0 | 1977 | 47.6 | 31.5 | 1994 |
29 | 60.4 | 71.7 | 94.0 | 1987 | 49.2 | 31.0 | 1962 |
30 | 61.6 | 72.7 | 94.5 | 1987 | 50.6 | 30.5 | 1970 |
31 | 62.9 | 74.7 | 94.0 | 1987 | 51.2 | 30.0 | 1961 |
Mean | 56.8 | 68.2 | 89.3 | 45.5 | 28.2 |