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 | 31.2 | 40.2 | 62.0 | 1966 | 22.2 | 7.5 | 1956 |
2 | 31.2 | 40.0 | 57.0 | 2000 | 22.5 | -5.0 | 1956 |
3 | 32.5 | 40.4 | 66.0 | 2000 | 24.5 | 4.5 | 1968 |
4 | 32.2 | 39.6 | 64.5 | 1998 | 24.9 | 3.5 | 1981 |
5 | 30.3 | 38.7 | 60.0 | 1993 | 22.0 | 3.5 | 1981 |
6 | 29.2 | 38.5 | 56.0 | 1950 | 19.9 | 0.0 | 1976 |
7 | 30.4 | 38.4 | 54.5 | 1995 | 22.4 | 3.5 | 1980 |
8 | 28.5 | 36.4 | 61.0 | 1998 | 20.7 | -5.5 | 1981 |
9 | 28.4 | 37.1 | 62.0 | 1965 | 19.6 | -10.0 | 1981 |
10 | 29.3 | 37.2 | 57.0 | 1983 | 21.3 | -2.0 | 1988 |
11 | 28.0 | 36.1 | 60.0 | 1975 | 19.9 | -12.0 | 1988 |
12 | 27.6 | 36.5 | 55.5 | 2006 | 18.8 | -11.0 | 1981 |
13 | 28.7 | 38.1 | 59.5 | 1995 | 19.2 | -10.0 | 1954 |
14 | 28.1 | 37.4 | 65.0 | 1995 | 18.7 | -12.0 | 1954 |
15 | 28.7 | 37.4 | 65.5 | 1995 | 20.1 | -11.0 | 1965 |
16 | 27.9 | 37.1 | 62.0 | 1953 | 18.8 | -5.0 | 1988 |
17 | 27.3 | 37.4 | 55.5 | 1990 | 17.2 | -2.5 | 1957 |
18 | 27.5 | 36.9 | 62.5 | 1973 | 18.0 | -10.5 | 1957 |
19 | 27.4 | 36.3 | 62.0 | 1951 | 18.6 | -5.0 | 1971 |
20 | 28.6 | 37.3 | 56.0 | 1951 | 19.8 | 0.5 | 1994 |
21 | 27.6 | 36.8 | 57.0 | 2006 | 18.3 | -15.0 | 1961 |
22 | 28.7 | 39.4 | 57.0 | 1966 | 18.1 | -23.0 | 1961 |
23 | 30.9 | 41.0 | 59.5 | 1999 | 20.9 | -8.5 | 1970 |
24 | 31.0 | 39.9 | 66.0 | 1966 | 22.1 | -1.5 | 1978 |
25 | 31.1 | 39.4 | 56.5 | 1966 | 22.8 | -1.5 | 1963 |
26 | 31.0 | 39.4 | 60.0 | 1950 | 22.5 | 1.0 | 1982 |
27 | 29.6 | 38.4 | 66.5 | 1973 | 20.9 | -3.0 | 1987 |
28 | 27.7 | 36.9 | 63.0 | 2002 | 18.5 | -6.0 | 1987 |
29 | 28.2 | 37.4 | 69.5 | 2002 | 19.1 | -2.0 | 1961 |
30 | 29.5 | 38.7 | 61.5 | 2006 | 20.3 | -6.0 | 1952 |
31 | 27.7 | 36.9 | 55.0 | 1973 | 18.6 | -9.0 | 1952 |
Mean | 29.2 | 38.1 | 60.5 | 36.9 | -4.9 |