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 | 70.4 | 81.1 | 95.0 | 1964 | 59.6 | 40.0 | 1952 |
2 | 70.3 | 81.4 | 95.0 | 1966 | 59.3 | 42.0 | 1978 |
3 | 70.7 | 81.2 | 99.0 | 1966 | 60.3 | 39.5 | 1957 |
4 | 70.7 | 81.3 | 96.5 | 2002 | 60.2 | 43.5 | 1962 |
5 | 69.8 | 80.0 | 100.0 | 1999 | 59.6 | 43.5 | 1962 |
6 | 69.6 | 80.0 | 98.5 | 1999 | 59.3 | 40.0 | 1962 |
7 | 70.0 | 81.2 | 95.5 | 1994 | 58.9 | 42.0 | 1965 |
8 | 71.1 | 81.8 | 95.0 | 1981 | 60.5 | 45.0 | 1959 |
9 | 72.0 | 82.5 | 95.0 | 1981 | 61.6 | 44.0 | 1969 |
10 | 71.9 | 82.2 | 99.5 | 1993 | 61.6 | 45.0 | 1953 |
11 | 70.7 | 81.3 | 95.0 | 1988 | 60.1 | 45.0 | 1962 |
12 | 70.5 | 80.7 | 93.0 | 1966 | 60.2 | 46.0 | 1954 |
13 | 71.2 | 80.8 | 94.0 | 1952 | 61.5 | 46.0 | 1971 |
14 | 72.5 | 82.3 | 95.0 | 1997 | 62.7 | 49.5 | 1999 |
15 | 72.6 | 82.2 | 96.5 | 1997 | 63.0 | 49.0 | 1999 |
16 | 72.7 | 82.3 | 95.0 | 1983 | 63.0 | 46.0 | 1954 |
17 | 73.2 | 83.5 | 95.5 | 1968 | 62.9 | 45.0 | 1954 |
18 | 74.2 | 84.9 | 98.0 | 1953 | 63.4 | 48.5 | 1958 |
19 | 73.9 | 83.6 | 97.0 | 1977 | 64.3 | 51.5 | 1957 |
20 | 72.8 | 81.9 | 97.5 | 1991 | 63.8 | 49.0 | 1966 |
21 | 73.0 | 83.1 | 100.5 | 1991 | 62.9 | 43.0 | 1966 |
22 | 72.7 | 82.8 | 100.5 | 1957 | 62.6 | 48.0 | 1965 |
23 | 72.7 | 82.6 | 96.5 | 1991 | 62.8 | 47.0 | 1974 |
24 | 71.6 | 81.4 | 90.0 | 1972 | 61.9 | 45.0 | 1950 |
25 | 71.3 | 81.6 | 97.0 | 1987 | 61.1 | 46.0 | 1953 |
26 | 71.1 | 81.6 | 93.5 | 2005 | 60.5 | 41.0 | 1953 |
27 | 72.3 | 81.6 | 93.5 | 1999 | 63.0 | 47.5 | 1975 |
28 | 72.6 | 82.2 | 95.0 | 1952 | 62.9 | 44.0 | 1977 |
29 | 72.7 | 82.2 | 95.5 | 2002 | 63.1 | 49.0 | 1968 |
30 | 72.0 | 82.1 | 95.0 | 1988,2002 | 61.9 | 43.5 | 1968 |
31 | 71.8 | 82.1 | 95.5 | 2002 | 61.7 | 45.5 | 1956 |
Mean | 71.8 | 81.9 | 96.1 | 61.6 | 45.1 |