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 | 33.0 | 42.3 | 62.5 | 2004 | 23.7 | 6.0 | 1994 |
2 | 34.7 | 43.2 | 62.0 | 1972 | 26.3 | 2.5 | 1967 |
3 | 34.5 | 42.9 | 66.0 | 1991 | 26.2 | 8.0 | 2003 |
4 | 34.0 | 42.9 | 62.0 | 1965 | 25.2 | 2.0 | 1950 |
5 | 36.3 | 45.0 | 63.0 | 1985 | 27.7 | 10.0 | 1950 |
6 | 35.3 | 44.0 | 58.5 | 2004 | 26.5 | 12.0 | 1988 |
7 | 35.3 | 44.7 | 65.0 | 1987 | 25.9 | 4.5 | 2003 |
8 | 34.8 | 44.3 | 70.0 | 1987 | 25.4 | 4.5 | 1990 |
9 | 34.9 | 44.5 | 67.0 | 2000 | 25.2 | 9.5 | 1969 |
10 | 35.1 | 44.7 | 65.5 | 1955 | 25.6 | 2.0 | 1996 |
11 | 35.4 | 45.7 | 71.0 | 1977 | 25.2 | 5.0 | 1950 |
12 | 35.9 | 44.7 | 68.5 | 1973 | 27.1 | 9.5 | 1984 |
13 | 37.3 | 46.6 | 82.0 | 1990 | 28.1 | 11.5 | 1984 |
14 | 38.1 | 47.1 | 72.0 | 1957 | 29.1 | 15.0 | 1965 |
15 | 38.0 | 47.2 | 73.0 | 1990 | 28.9 | 12.5 | 1968 |
16 | 38.0 | 47.9 | 68.5 | 1990 | 28.1 | 11.0 | 1979 |
17 | 37.0 | 46.7 | 72.0 | 2003 | 27.3 | 8.5 | 1956 |
18 | 35.7 | 44.9 | 72.0 | 1999 | 26.5 | 1.0 | 1956 |
19 | 36.4 | 45.6 | 62.0 | 1966 | 27.2 | -7.5 | 1967 |
20 | 36.7 | 47.0 | 69.0 | 1959 | 26.4 | -2.0 | 1967 |
21 | 37.9 | 47.2 | 64.0 | 1952 | 28.6 | 5.5 | 1956 |
22 | 37.2 | 46.8 | 69.0 | 1979 | 27.6 | 11.0 | 1956 |
23 | 39.0 | 50.1 | 71.0 | 1994 | 27.8 | 11.0 | 1988 |
24 | 40.1 | 50.8 | 67.5 | 2000 | 29.3 | 16.0 | 1992 |
25 | 39.7 | 49.9 | 70.0 | 1963 | 29.5 | 14.5 | 1956 |
26 | 42.1 | 51.6 | 69.0 | 1954 | 32.5 | 8.0 | 1960 |
27 | 40.8 | 51.9 | 80.0 | 1998 | 29.7 | 9.0 | 1951 |
28 | 42.3 | 53.2 | 79.0 | 1991 | 31.5 | 12.0 | 1966 |
29 | 43.2 | 54.0 | 80.5 | 1998 | 32.5 | 13.0 | 1982 |
30 | 42.9 | 52.5 | 75.5 | 1998 | 33.2 | 20.0 | 1958 |
31 | 42.1 | 52.2 | 73.5 | 1999 | 31.9 | 18.0 | 1969 |
Mean | 37.5 | 47.2 | 69.4 | 27.9 | 8.5 |