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May Temperature Statistics

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