Station 38: Port Erin
Unable to load video
You either have JavaScript turned off or an old
version of Macromedia's
Flash Player. This content requires
Flash player 7
or later.
Get the
latest flash player.
Figure ‘a’: Monthly mean surface temperature for the entire duration of the record at the station which are derived from simple averaging of all the monthly data.
Unable to load video
You either have JavaScript turned off or an old
version of Macromedia's
Flash Player. This content requires
Flash player 7
or later.
Get the
latest flash player.
Figure ‘b’: Monthly climatic average with the first standard deviation. The standard deviation has been derived from the difference in the monthly average from the long-term mean (1971 – 2000).
Unable to load video
You either have JavaScript turned off or an old
version of Macromedia's
Flash Player. This content requires
Flash player 7
or later.
Get the
latest flash player.
Figure ‘c’: Yearly anomaly from the base period. Where the average base period temperature (1971 – 2000) has been subtracted from the average annual temperature. The standard deviation of the annually averaged temperature of the entire record is also shown. A trend line derived from a linear least squares analysis has been added to indicate the extent to which annual changes are linear.
Monthly Mean Sea Temperature for PORT ERIN at 54° 5' N, 4° 46' W
| Year |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
mean |
| 1903 |
7.6 |
7.8 |
7.6 |
8.1 |
9.4 |
10.9 |
12.9 |
13.9 |
13.3 |
12.7 |
10.9 |
9.2 |
10.4 |
| 1904 |
8.3 |
7.5 |
7.0 |
8.0 |
9.1 |
11.1 |
13.5 |
14.2 |
13.9 |
12.7 |
11.2 |
9.7 |
10.5 |
| 1905 |
8.2 |
7.3 |
7.5 |
8.1 |
9.8 |
11.9 |
14.3 |
14.4 |
13.8 |
12.1 |
10.5 |
9.5 |
10.6 |
| 1906 |
8.3 |
6.9 |
6.9 |
7.6 |
8.7 |
11.2 |
13.1 |
14.3 |
14.1 |
12.9 |
11.1 |
9.3 |
10.4 |
| 1907 |
8.2 |
6.6 |
6.8 |
7.7 |
8.9 |
10.6 |
12.4 |
13.3 |
13.3 |
12.2 |
10.8 |
9.3 |
10.0 |
| 1908 |
7.6 |
7.1 |
6.6 |
7.2 |
9.0 |
11.0 |
12.8 |
13.8 |
13.0 |
12.8 |
11.3 |
9.8 |
10.2 |
| 1909 |
8.0 |
6.8 |
6.1 |
7.6 |
9.3 |
11.2 |
12.6 |
13.7 |
12.9 |
12.2 |
10.1 |
8.5 |
9.9 |
| 1910 |
7.4 |
6.6 |
7.0 |
7.5 |
8.9 |
10.9 |
12.6 |
13.8 |
13.4 |
12.1 |
9.8 |
8.8 |
9.9 |
| 1911 |
7.8 |
7.0 |
6.7 |
7.2 |
9.5 |
11.5 |
13.3 |
15.0 |
14.3 |
12.4 |
9.9 |
9.2 |
10.3 |
| 1912 |
7.9 |
6.9 |
7.6 |
8.4 |
10.1 |
11.9 |
13.3 |
13.5 |
12.8 |
11.8 |
10.3 |
9.1 |
10.3 |
| 1913 |
8.0 |
7.5 |
7.1 |
7.7 |
9.3 |
11.4 |
12.7 |
13.9 |
13.6 |
12.8 |
11.4 |
9.3 |
10.4 |
| 1914 |
7.7 |
7.9 |
7.6 |
8.6 |
9.8 |
11.5 |
13.9 |
14.7 |
14.3 |
13.0 |
11.1 |
9.3 |
10.8 |
| 1915 |
7.8 |
6.9 |
6.8 |
7.7 |
9.0 |
11.1 |
12.9 |
14.0 |
13.9 |
12.4 |
9.8 |
8.6 |
10.1 |
| 1916 |
8.4 |
6.7 |
5.6 |
7.1 |
8.8 |
10.6 |
12.6 |
14.2 |
13.4 |
12.1 |
10.5 |
8.8 |
9.9 |
| 1917 |
6.6 |
5.3 |
5.5 |
6.0 |
8.0 |
10.9 |
12.9 |
13.6 |
13.6 |
11.4 |
9.9 |
8.0 |
9.3 |
| 1918 |
6.4 |
7.4 |
6.4 |
7.4 |
9.4 |
11.7 |
13.0 |
14.2 |
13.0 |
11.5 |
10.2 |
9.4 |
10.0 |
| 1919 |
7.8 |
6.5 |
6.4 |
7.4 |
9.0 |
11.2 |
12.1 |
13.8 |
13.0 |
11.3 |
9.0 |
8.3 |
9.7 |
| 1920 |
7.2 |
6.6 |
6.6 |
7.4 |
9.2 |
11.3 |
12.9 |
13.3 |
13.2 |
12.3 |
10.9 |
8.9 |
10.0 |
| 1921 |
8.8 |
7.5 |
7.8 |
8.4 |
10.1 |
12.0 |
14.0 |
14.4 |
14.0 |
13.6 |
11.0 |
10.0 |
11.0 |
| 1922 |
8.1 |
7.7 |
7.2 |
7.6 |
9.6 |
11.6 |
12.6 |
13.2 |
13.0 |
11.8 |
10.4 |
9.7 |
10.2 |
| 1923 |
8.2 |
7.9 |
7.9 |
8.4 |
9.4 |
10.9 |
13.2 |
13.7 |
13.1 |
12.0 |
9.7 |
8.4 |
10.2 |
| 1924 |
7.8 |
7.0 |
6.6 |
7.4 |
9.0 |
11.5 |
13.1 |
13.7 |
13.4 |
12.3 |
11.2 |
10.7 |
10.3 |
| 1925 |
8.9 |
7.9 |
7.5 |
8.1 |
9.2 |
11.2 |
13.4 |
14.6 |
13.5 |
12.7 |
10.9 |
8.9 |
10.6 |
| 1926 |
8.4 |
7.9 |
7.6 |
8.4 |
9.5 |
11.9 |
13.5 |
14.7 |
14.5 |
12.9 |
11.2 |
9.1 |
10.8 |
| 1927 |
8.6 |
7.3 |
7.7 |
8.2 |
9.5 |
11.1 |
12.8 |
14.5 |
14.0 |
12.9 |
11.2 |
8.9 |
10.6 |
| 1928 |
7.8 |
6.8 |
6.6 |
7.4 |
9.2 |
10.6 |
12.5 |
13.5 |
13.9 |
12.6 |
11.2 |
8.9 |
10.1 |
| 1929 |
7.6 |
7.0 |
6.8 |
7.6 |
9.0 |
11.6 |
13.3 |
14.0 |
14.2 |
12.4 |
11.1 |
9.9 |
10.4 |
| 1930 |
8.6 |
7.1 |
7.0 |
7.6 |
9.2 |
11.6 |
13.4 |
13.9 |
13.8 |
12.6 |
10.9 |
9.8 |
10.5 |
| 1931 |
8.2 |
7.2 |
6.1 |
7.0 |
8.8 |
11.0 |
13.2 |
13.8 |
13.4 |
12.6 |
11.6 |
10.2 |
10.3 |
| 1932 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1933 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1934 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1935 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1936 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1937 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1938 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1939 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1940 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1941 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1942 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1943 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1944 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1945 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1946 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1947 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1948 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1949 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1950 |
8.9 |
7.9 |
8.4 |
8.5 |
9.9 |
12.3 |
13.8 |
14.5 |
13.6 |
12.3 |
10.3 |
8.6 |
10.8 |
| 1951 |
7.6 |
6.9 |
6.7 |
7.1 |
7.9 |
10.4 |
13.0 |
13.5 |
13.4 |
13.0 |
12.2 |
10.8 |
10.2 |
| 1952 |
8.6 |
6.9 |
6.9 |
8.5 |
9.4 |
11.4 |
13.5 |
14.1 |
13.2 |
11.5 |
9.9 |
8.3 |
10.2 |
| 1953 |
7.6 |
6.7 |
7.3 |
7.8 |
9.4 |
11.3 |
13.2 |
14.5 |
14.0 |
13.3 |
12.0 |
10.8 |
10.7 |
| 1954 |
8.9 |
7.7 |
7.5 |
8.5 |
9.3 |
11.3 |
12.8 |
13.7 |
13.4 |
12.7 |
11.0 |
9.8 |
10.6 |
| 1955 |
7.8 |
6.3 |
6.2 |
7.6 |
8.9 |
10.6 |
12.9 |
14.2 |
14.3 |
12.9 |
11.7 |
10.0 |
10.3 |
| 1956 |
8.3 |
6.7 |
7.0 |
7.8 |
9.4 |
11.2 |
13.1 |
13.3 |
13.3 |
12.6 |
11.1 |
9.9 |
10.3 |
| 1957 |
8.4 |
7.7 |
8.3 |
8.9 |
9.9 |
12.1 |
13.8 |
14.6 |
14.0 |
12.9 |
10.7 |
9.3 |
10.9 |
| 1958 |
7.8 |
7.6 |
6.8 |
7.4 |
9.3 |
11.2 |
13.0 |
14.2 |
14.1 |
13.3 |
11.8 |
10.1 |
10.6 |
| 1959 |
8.4 |
7.9 |
8.4 |
9.1 |
10.4 |
12.5 |
14.5 |
15.2 |
15.0 |
14.4 |
12.5 |
10.5 |
11.6 |
| 1960 |
8.8 |
7.9 |
7.6 |
8.8 |
10.6 |
12.5 |
13.7 |
14.6 |
14.4 |
12.9 |
11.4 |
9.3 |
11.0 |
| 1961 |
8.1 |
8.3 |
8.2 |
8.8 |
10.4 |
12.1 |
13.6 |
14.1 |
13.9 |
12.9 |
10.6 |
9.1 |
10.8 |
| 1962 |
7.9 |
7.0 |
6.2 |
7.3 |
9.2 |
10.7 |
12.2 |
13.7 |
13.2 |
12.3 |
10.6 |
8.8 |
9.9 |
| 1963 |
5.7 |
4.5 |
5.8 |
6.8 |
8.4 |
10.5 |
12.2 |
13.0 |
12.8 |
11.9 |
11.0 |
8.8 |
9.3 |
| 1964 |
8.5 |
7.3 |
6.8 |
7.9 |
10.0 |
11.5 |
13.3 |
14.1 |
13.9 |
12.8 |
11.3 |
9.4 |
10.6 |
| 1965 |
7.8 |
6.5 |
6.5 |
8.1 |
9.4 |
11.8 |
12.9 |
14.0 |
13.2 |
12.5 |
9.9 |
9.1 |
10.1 |
| 1966 |
7.4 |
6.7 |
7.3 |
7.0 |
9.2 |
11.7 |
13.4 |
13.8 |
13.9 |
12.9 |
10.7 |
9.2 |
10.3 |
| 1967 |
7.9 |
7.7 |
7.3 |
7.3 |
8.6 |
11.5 |
13.3 |
14.0 |
13.7 |
12.3 |
10.3 |
8.9 |
10.2 |
| 1968 |
8.0 |
6.8 |
7.1 |
7.6 |
9.2 |
11.8 |
13.0 |
14.3 |
14.1 |
13.3 |
10.7 |
9.6 |
10.5 |
| 1969 |
8.5 |
6.6 |
5.6 |
7.3 |
8.9 |
11.5 |
13.5 |
14.1 |
13.7 |
13.4 |
11.2 |
9.2 |
10.3 |
| 1970 |
7.8 |
7.1 |
6.3 |
7.2 |
9.4 |
11.4 |
12.8 |
13.8 |
13.6 |
12.6 |
11.0 |
9.4 |
10.2 |
| 1971 |
8.5 |
7.9 |
7.4 |
8.3 |
10.2 |
11.5 |
13.3 |
14.4 |
14.2 |
13.5 |
11.2 |
10.6 |
10.9 |
| 1972 |
8.5 |
7.8 |
7.8 |
8.7 |
9.8 |
11.0 |
12.9 |
13.7 |
13.6 |
12.9 |
11.1 |
9.9 |
10.6 |
| 1973 |
8.9 |
7.9 |
8.0 |
8.4 |
9.7 |
12.4 |
13.8 |
14.3 |
14.3 |
12.6 |
11.0 |
9.4 |
10.9 |
| 1974 |
8.8 |
8.2 |
7.9 |
8.7 |
9.9 |
11.7 |
13.4 |
14.4 |
13.6 |
11.7 |
10.6 |
9.2 |
10.7 |
| 1975 |
8.4 |
7.5 |
7.5 |
8.0 |
9.4 |
11.9 |
14.3 |
15.2 |
14.3 |
13.0 |
11.3 |
10.0 |
10.9 |
| 1976 |
8.9 |
7.3 |
7.2 |
7.8 |
9.5 |
12.0 |
13.8 |
14.3 |
13.5 |
13.0 |
11.5 |
9.7 |
10.7 |
| 1977 |
7.7 |
7.5 |
7.5 |
7.8 |
9.2 |
11.0 |
13.3 |
14.0 |
13.6 |
12.8 |
10.7 |
9.3 |
10.4 |
| 1978 |
7.8 |
6.4 |
7.1 |
7.5 |
9.0 |
11.0 |
11.8 |
13.2 |
13.3 |
12.7 |
12.0 |
9.6 |
10.1 |
| 1979 |
7.5 |
6.0 |
5.9 |
6.8 |
8.3 |
11.2 |
13.0 |
13.4 |
13.3 |
12.6 |
10.6 |
9.7 |
9.9 |
| 1980 |
7.8 |
7.9 |
7.4 |
8.2 |
9.5 |
11.7 |
12.7 |
14.5 |
14.6 |
12.7 |
11.1 |
9.5 |
10.6 |
| 1981 |
8.0 |
7.1 |
7.4 |
8.1 |
9.4 |
11.7 |
13.0 |
13.8 |
14.1 |
11.7 |
10.6 |
8.2 |
10.3 |
| 1982 |
7.2 |
6.9 |
6.9 |
8.1 |
9.4 |
11.8 |
13.1 |
13.8 |
13.3 |
12.4 |
10.9 |
8.9 |
10.2 |
| 1983 |
7.8 |
5.6 |
6.7 |
7.2 |
8.8 |
11.0 |
13.3 |
14.2 |
13.5 |
12.4 |
11.4 |
9.9 |
10.2 |
| 1984 |
7.8 |
7.0 |
6.9 |
7.6 |
9.1 |
11.6 |
13.4 |
14.6 |
14.2 |
12.9 |
11.6 |
10.5 |
10.6 |
| 1985 |
8.2 |
6.8 |
6.8 |
7.7 |
8.9 |
11.0 |
13.4 |
13.6 |
13.4 |
13.2 |
10.4 |
10.0 |
10.3 |
| 1986 |
7.6 |
5.3 |
6.2 |
6.5 |
8.5 |
10.3 |
12.4 |
12.7 |
12.5 |
12.1 |
10.7 |
9.4 |
9.5 |
| 1987 |
7.2 |
6.9 |
6.5 |
7.7 |
9.1 |
10.9 |
13.1 |
13.8 |
13.7 |
12.3 |
11.0 |
9.3 |
10.1 |
| 1988 |
8.8 |
7.4 |
7.2 |
8.0 |
9.6 |
11.9 |
13.6 |
14.3 |
13.4 |
12.3 |
11.3 |
10.4 |
10.7 |
| 1989 |
9.5 |
8.5 |
8.0 |
8.1 |
9.9 |
11.4 |
13.9 |
14.7 |
14.3 |
13.5 |
11.7 |
10.0 |
11.1 |
| 1990 |
9.4 |
8.4 |
7.8 |
8.1 |
10.0 |
12.0 |
13.3 |
15.0 |
14.2 |
13.0 |
11.2 |
9.4 |
11.0 |
| 1991 |
7.8 |
6.0 |
7.3 |
7.8 |
9.1 |
10.7 |
13.1 |
14.3 |
14.2 |
12.7 |
11.1 |
9.7 |
10.3 |
| 1992 |
8.5 |
8.0 |
8.0 |
8.1 |
9.8 |
11.8 |
13.4 |
14.6 |
13.6 |
12.0 |
10.6 |
9.6 |
10.7 |
| 1993 |
7.9 |
7.4 |
7.0 |
8.2 |
9.4 |
11.6 |
13.1 |
13.8 |
13.5 |
12.1 |
10.5 |
9.7 |
10.4 |
| 1994 |
8.0 |
6.7 |
7.2 |
7.5 |
9.0 |
11.1 |
13.3 |
13.8 |
13.3 |
12.3 |
11.9 |
11.0 |
10.4 |
| 1995 |
8.2 |
8.1 |
7.4 |
8.4 |
9.8 |
11.5 |
14.0 |
15.3 |
14.4 |
14.0 |
12.2 |
9.8 |
11.1 |
| 1996 |
8.6 |
7.1 |
6.9 |
8.0 |
8.7 |
11.4 |
13.1 |
14.1 |
13.7 |
13.0 |
10.5 |
9.1 |
10.4 |
| 1997 |
7.7 |
7.6 |
7.8 |
8.3 |
9.6 |
11.3 |
13.7 |
15.0 |
14.6 |
13.7 |
12.6 |
11.1 |
11.1 |
| 1998 |
9.6 |
9.1 |
8.9 |
9.0 |
10.5 |
12.2 |
14.0 |
14.8 |
14.7 |
13.5 |
11.6 |
10.2 |
11.5 |
| 1999 |
8.9 |
7.7 |
7.8 |
8.9 |
10.5 |
12.3 |
14.2 |
14.5 |
15.0 |
13.3 |
12.1 |
9.8 |
11.3 |
| 2000 |
8.3 |
7.8 |
8.0 |
8.2 |
10.3 |
12.1 |
13.7 |
15.2 |
15.1 |
13.4 |
11.0 |
10.1 |
11.1 |
| 2001 |
8.4 |
7.8 |
7.2 |
8.3 |
10.0 |
12.0 |
13.8 |
14.9 |
14.2 |
13.9 |
12.2 |
10.3 |
11.1 |
| 2002 |
9.5 |
8.6 |
8.2 |
9.0 |
10.4 |
12.5 |
13.8 |
14.8 |
14.6 |
13.2 |
12.1 |
9.9 |
11.4 |
| 2003 |
|
7.7 |
8.1 |
8.9 |
10.5 |
12.9 |
14.3 |
15.4 |
14.9 |
13.2 |
12.2 |
10.1 |
11.7 |
| 2004 |
8.7 |
8.0 |
7.7 |
8.7 |
10.6 |
12.8 |
13.9 |
14.8 |
14.5 |
13.0 |
11.9 |
10.6 |
11.3 |
| whole data set |
| mean |
8.1 |
7.2 |
7.1 |
7.9 |
9.4 |
11.5 |
13.2 |
14.1 |
13.8 |
12.7 |
11.0 |
9.5 |
|
| count |
83 |
84 |
84 |
84 |
84 |
84 |
84 |
84 |
84 |
84 |
84 |
84 |
|
| sd |
0.65 |
0.76 |
0.70 |
0.62 |
0.58 |
0.56 |
0.54 |
0.56 |
0.56 |
0.60 |
0.70 |
0.66 |
|
| 1971 - 2000 |
| mean |
8.3 |
7.3 |
7.3 |
8.0 |
9.5 |
11.5 |
13.3 |
14.2 |
13.9 |
12.8 |
11.2 |
9.8 |
|
| count |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
|
| sd |
0.64 |
0.87 |
0.62 |
0.55 |
0.56 |
0.51 |
0.53 |
0.62 |
0.59 |
0.58 |
0.57 |
0.60 |
|
Source: University of Liverpool
