Seawater Temperature: Race Rocks
Decade Comparisons:Sea Surface Temperature at Race Rocks-
Year |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1921 |
|
7.1 |
7.3 |
7.7 |
8.5 |
9.5 |
10.3 |
10.5 |
10.3 |
9.8 |
9.1 |
8.2 |
|
1922 |
6.4 |
6.1 |
6.6 |
7.5 |
8.3 |
9.5 |
10.5 |
10.3 |
10.2 |
9.3 |
8.4 |
7.1 |
|
1923 |
7.1 |
6.4 |
6.7 |
7.6 |
8.6 |
9.3 |
10.3 |
10.5 |
10.6 |
9.6 |
8.7 |
7.9 |
|
1924 |
7.1 |
7.3 |
7.7 |
7.9 |
9 |
9.8 |
10.5 |
10.3 |
10.2 |
9.2 |
8.8 |
7.3 |
|
1925 |
6.6 |
6.9 |
7.3 |
8 |
9.2 |
10.1 |
11.1 |
10.8 |
10.2 |
9.2 |
8.3 |
8.2 |
|
1926 |
7.8 |
8 |
8.6 |
9.2 |
10.1 |
10.7 |
11.1 |
10.9 |
10.5 |
9.8 |
9.1 |
8.5 |
|
1927 |
7.6 |
7.4 |
7.8 |
8 |
8.8 |
9.8 |
10.5 |
10.9 |
10.3 |
9.7 |
8.6 |
7.6 |
|
1928 |
6.9 |
7.3 |
7.8 |
8.6 |
9.7 |
10.2 |
10.8 |
10.9 |
10.3 |
9.2 |
8.6 |
7.9 |
|
1929 |
7.1 |
6.3 |
7.1 |
7.8 |
9 |
9.8 |
10.8 |
10.8 |
10.7 |
9.8 |
8.8 |
7.8 |
|
1930 |
6.5 |
6.6 |
7.1 |
8.2 |
9.3 |
10 |
10.6 |
10.8 |
10.6 |
9.4 |
8.6 |
8 |
|
1931 |
7.8 |
7.8 |
8.2 |
8.8 |
9.9 |
10.6 |
11.5 |
11.1 |
10.7 |
9.6 |
8.6 |
7.7 |
|
1932 |
7.1 |
6.8 |
7.3 |
8.2 |
9.3 |
10.4 |
10.8 |
10.9 |
10.7 |
9.6 |
8.9 |
7.7 |
|
1933 |
7.1 |
6.7 |
7.1 |
8 |
9.1 |
10.2 |
10.5 |
11.5 |
10.1 |
9.6 |
8.6 |
7.7 |
|
1934 |
7.8 |
7.9 |
8.3 |
9.2 |
10 |
10.8 |
10.9 |
11.6 |
10.7 |
9.7 |
9.2 |
8.4 |
|
1935 |
7.2 |
7.2 |
7.5 |
7.8 |
9.2 |
10.1 |
10.5 |
10.5 |
10.7 |
9.7 |
8.2 |
8.1 |
|
1936 |
7.9 |
6.7 |
7 |
7.8 |
9.3 |
10.4 |
11.3 |
11.3 |
10.5 |
10.1 |
8.6 |
7.9 |
|
1937 |
6.6 |
6.4 |
7.7 |
8.7 |
9.9 |
10.9 |
11.7 |
11.5 |
10.9 |
9.9 |
8.5 |
8.1 |
|
1938 |
7.4 |
7.2 |
8.1 |
9.4 |
10.6 |
12.3 |
12.7 |
11.9 |
11 |
9.9 |
8.6 |
7.5 |
|
1939 |
7.4 |
6.6 |
7.1 |
8.6 |
10.3 |
11.4 |
12.2 |
11.1 |
11.4 |
9.7 |
|
8.5 |
|
1940 |
7.9 |
8.2 |
9 |
10 |
11.4 |
11.6 |
|
|
|
|
|
|
|
1941 |
|
|
|
|
10 |
10.5 |
11.2 |
11 |
10.6 |
9.9 |
9 |
8.5 |
|
1942 |
7.9 |
7.9 |
7.8 |
8.5 |
9.6 |
9.8 |
10.5 |
11 |
10.3 |
9.5 |
8.4 |
7.9 |
|
1943 |
6.8 |
6.7 |
7.1 |
8.2 |
8.8 |
10 |
10.3 |
10.6 |
10.3 |
9.6 |
9 |
8.1 |
|
1944 |
7.7 |
7.5 |
7.3 |
8 |
9.2 |
10.5 |
11 |
10.9 |
10.5 |
9.6 |
9.2 |
8.1 |
|
1945 |
7.8 |
7.7 |
7.6 |
8 |
8.8 |
9.8 |
10.1 |
10.5 |
10 |
9.5 |
8.1 |
8.1 |
|
1946 |
7.7 |
7.3 |
7.7 |
8.1 |
9.4 |
10.2 |
10.7 |
10.8 |
10.3 |
9.4 |
8.1 |
7.7 |
|
1947 |
7.1 |
7 |
7.7 |
8.4 |
9.5 |
10.4 |
10.6 |
10.9 |
10.5 |
9.9 |
9.1 |
7.9 |
|
1948 |
7.5 |
6.9 |
7.2 |
7.9 |
9 |
10.2 |
10.8 |
10.7 |
10.4 |
9.5 |
8.2 |
7 |
|
1949 |
6.1 |
6.1 |
6.9 |
8.3 |
9.4 |
10.1 |
10.3 |
10.2 |
10.5 |
9.5 |
8.7 |
7.8 |
|
1950 |
6.2 |
5.8 |
6.6 |
7.7 |
8.7 |
9.4 |
10.1 |
10.4 |
10.3 |
9.3 |
8.5 |
8 |
|
1951 |
7.5 |
6.9 |
6.7 |
8.1 |
9.2 |
10.2 |
10.4 |
11.1 |
10.9 |
9.5 |
8.5 |
7.7 |
|
1952 |
6.9 |
7.1 |
7.6 |
8.2 |
9 |
9.6 |
10.4 |
10.5 |
10.2 |
9.8 |
8.6 |
7.9 |
|
1953 |
7.8 |
7.9 |
7.6 |
8.1 |
9.3 |
9.8 |
10.6 |
11 |
10.6 |
9.9 |
9.3 |
8.5 |
|
1954 |
7.1 |
7.3 |
7.5 |
7.9 |
8.7 |
9.3 |
9.9 |
10 |
10 |
9.4 |
9.1 |
8.4 |
|
1955 |
7.5 |
7.1 |
6.7 |
7.5 |
8.4 |
9.3 |
9.8 |
10.2 |
10 |
8.9 |
7.5 |
6.6 |
|
1956 |
6.7 |
6.4 |
6.3 |
7.6 |
8.7 |
9.6 |
10.2 |
10.4 |
10.1 |
9.2 |
8.1 |
7.1 |
|
1957 |
6.3 |
6.2 |
7.2 |
8.1 |
9.3 |
10 |
10.3 |
10.5 |
10.5 |
9.8 |
8.8 |
8.3 |
|
1958 |
8 |
8.3 |
8.6 |
9.3 |
10.3 |
10.7 |
11.5 |
11.5 |
11 |
9.9 |
8.7 |
8.1 |
|
1959 |
7.6 |
7.4 |
7.9 |
9.1 |
9.7 |
10.4 |
11.3 |
11 |
10.4 |
9.7 |
8.3 |
7.8 |
|
1960 |
7.1 |
7.5 |
7.5 |
8.6 |
9.6 |
10.3 |
11.4 |
10.8 |
10.1 |
9.5 |
8.6 |
7.9 |
|
1961 |
7.9 |
8.2 |
8.4 |
8.8 |
9.4 |
10.3 |
10.9 |
11.3 |
10.6 |
9.4 |
8.2 |
7.5 |
|
1962 |
7.2 |
7.3 |
7.3 |
8.4 |
9.3 |
10 |
10.4 |
10.5 |
10.5 |
10 |
9.3 |
8.7 |
|
1963 |
7.5 |
7.5 |
7.8 |
8.5 |
9.6 |
10.2 |
10.5 |
10.8 |
10.6 |
10.3 |
9.9 |
8.7 |
|
1964 |
8.2 |
7.9 |
7.7 |
8.2 |
8.8 |
9.6 |
10.3 |
10.5 |
10 |
9.4 |
8.3 |
7.4 |
|
1965 |
6.9 |
7.1 |
7.2 |
8 |
8.8 |
9.8 |
10 |
10.2 |
10.3 |
9.7 |
9.2 |
8.5 |
|
1966 |
7.7 |
7.6 |
7.7 |
8.5 |
9 |
9.1 |
99.9 |
10.7 |
10.1 |
9.5 |
8.7 |
8.6 |
|
1967 |
7.9 |
7.7 |
7.6 |
8.1 |
8.9 |
9.6 |
10.3 |
10.5 |
10.5 |
9.7 |
9.1 |
8 |
|
1968 |
7.3 |
7.3 |
8 |
8.3 |
8.7 |
9.5 |
10.2 |
10.2 |
10.4 |
9.3 |
8.8 |
7.8 |
|
1969 |
6.5 |
6.3 |
7.2 |
8.1 |
9.1 |
10.2 |
10.4 |
10.5 |
9.8 |
9.2 |
8.7 |
8.1 |
|
1970 |
7.5 |
7.7 |
7.9 |
8 |
8.7 |
9.6 |
10.2 |
10.2 |
10 |
9 |
8.3 |
7.5 |
|
1971 |
7 |
6.9 |
6.7 |
7.5 |
8.5 |
9.1 |
10 |
10.6 |
10.4 |
9.3 |
8.3 |
7.3 |
|
1972 |
6.4 |
6.2 |
6.9 |
7.6 |
8.8 |
9.5 |
10.5 |
10.6 |
10.2 |
9.1 |
8.4 |
7.3 |
|
1973 |
7 |
7.2 |
7.9 |
8.4 |
8.6 |
9.2 |
10.1 |
10.3 |
10 |
9.2 |
8.2 |
8 |
|
1974 |
7.2 |
7.2 |
7.3 |
8.1 |
8.5 |
9.7 |
10 |
10.9 |
10.6 |
9.7 |
8.6 |
8.2 |
|
1975 |
7.3 |
6.8 |
7.2 |
7.7 |
8.7 |
9.4 |
10.2 |
10.4 |
10.4 |
9.6 |
9.2 |
7.8 |
|
1976 |
7.2 |
7 |
7 |
7.8 |
8.7 |
9.3 |
10.1 |
10.1 |
10 |
9.4 |
8.6 |
8.1 |
|
1977 |
7.6 |
7.9 |
8 |
8.3 |
8.8 |
9.7 |
9.9 |
10.8 |
10.3 |
9.2 |
8.6 |
7.9 |
|
1978 |
7.6 |
7.9 |
8.3 |
8.9 |
9.4 |
10.3 |
10.4 |
10.9 |
10.5 |
9.8 |
8.2 |
7.3 |
|
1979 |
6.5 |
6.9 |
7.5 |
8.3 |
9.5 |
10 |
10.8 |
10.7 |
10.5 |
9.8 |
9 |
8.6 |
|
1980 |
7.7 |
7.6 |
7.9 |
8.6 |
9.5 |
9.5 |
10.6 |
10.9 |
10.5 |
9.9 |
9.2 |
8.6 |
|
1981 |
8.3 |
8.3 |
8.8 |
9.2 |
9.4 |
9.9 |
10.3 |
10.5 |
10.2 |
9.7 |
9.3 |
8.5 |
|
1982 |
7.2 |
7.5 |
8 |
8.8 |
9.9 |
10.7 |
11.4 |
11.8 |
11.4 |
10.3 |
8.8 |
8.3 |
|
1983 |
8.6 |
8.6 |
9.3 |
10 |
10.6 |
11.3 |
11.7 |
12.4 |
11.4 |
10.3 |
9.5 |
7.7 |
|
1984 |
7.5 |
7.8 |
8.4 |
9 |
9.7 |
10.3 |
11.4 |
11.6 |
10.6 |
9.7 |
8.5 |
6.9 |
|
1985 |
6.8 |
6.8 |
7.2 |
8.2 |
9.6 |
10.6 |
11.5 |
11.6 |
10.8 |
9.6 |
6.8 |
6.4 |
|
1986 |
7 |
6.6 |
8 |
8.4 |
9.4 |
11 |
10.9 |
11.8 |
10.8 |
9.8 |
8.4 |
7.8 |
|
1987 |
7.6 |
7.9 |
8.3 |
8.9 |
9.8 |
10.6 |
11.1 |
11.5 |
11.1 |
10 |
9 |
8.2 |
|
1988 |
7.4 |
7.5 |
7.5 |
8.6 |
9.6 |
10.4 |
11 |
11.4 |
10.6 |
9.6 |
8.7 |
7.9 |
|
1989 |
7 |
5.8 |
6.8 |
8.2 |
9.5 |
10.7 |
11.3 |
11.2 |
11 |
9.9 |
8.9 |
8.2 |
|
1990 |
8.1 |
7.7 |
8.2 |
9 |
9.9 |
10.8 |
11.8 |
12.1 |
12.1 |
10.7 |
9.9 |
8.2 |
|
1991 |
7.1 |
7.7 |
7.9 |
8.4 |
9.7 |
9.7 |
10.8 |
11 |
11.2 |
10.1 |
8.9 |
8.3 |
|
1992 |
7.9 |
8.1 |
9.5 |
9.5 |
10.2 |
10.7 |
11.1 |
11.4 |
11 |
10 |
9.1 |
7.8 |
|
1993 |
6.7 |
6.7 |
7.6 |
8.6 |
9.7 |
10.8 |
11 |
11.2 |
11 |
10.1 |
8.5 |
7.9 |
|
1994 |
8 |
7.4 |
8.6 |
9.3 |
10.1 |
10.6 |
11.6 |
11.5 |
11.3 |
10.7 |
9.3 |
8.4 |
|
1995 |
8.2 |
8.6 |
8.8 |
9.2 |
10.2 |
11.2 |
11.8 |
11.5 |
11.3 |
10.2 |
9.4 |
8.9 |
|
1996 |
8.2 |
7.8 |
8.4 |
9.2 |
10 |
10.4 |
11.5 |
11.5 |
10.5 |
9.9 |
8.7 |
7.6 |
|
1997 |
7.7 |
7.9 |
8.1 |
9 |
10.3 |
10.9 |
11.7 |
12.2 |
11.6 |
11.3 |
9.9 |
9.3 |
|
1998 |
8.7 |
9.2 |
9.7 |
9.9 |
10.4 |
11.4 |
11.7 |
12.3 |
12.1 |
10.7 |
9.8 |
9 |
|
1999 |
8 |
7.8 |
8.1 |
8.9 |
9.5 |
10.4 |
11.1 |
11.5 |
11.9 |
10.1 |
9 |
8.5 |
|
2000 |
7.5 |
7.7 |
8.1 |
9.1 |
10 |
11.1 |
11.3 |
11.7 |
11.4 |
10.3 |
9 |
8 |
|
2001 |
7.9 |
7.7 |
8.1 |
8.7 |
9.7 |
10.6 |
11.3 |
11.4 |
11.4 |
10.2 |
9.2 |
8.3 |
|
2002 |
8.1 |
7.9 |
7.7 |
8.7 |
9.4 |
10.5 |
11,2 |
11.7 |
11.3 |
10.0 |
9.0 |
8.8 |
|
2003 |
8.8 |
8.5 |
8.7 |
9.2 |
9.9 |
10.9 |
11.3 |
11.4 |
11.4 |
10.9 |
9.0 |
8.5 |
|
2004 |
7.8 |
7.9 |
8.3 |
9.1 |
10.4 |
11.0 |
11.8 |
11.9 |
11.2 |
10.6 |
9.4 |
8.6 |
|
2005 |
7.7 |
8.0 |
8.8 |
9.4 |
10.7 |
11.2 |
11.6 |
12.1 |
11.5 |
10.4 |
9.5 |
8.3 |
|
2006 |
8.61 |
8.49 |
8.41 |
8.75 |
10.08 |
10.86 |
11.66 |
12.09 |
11.49 |
10.55 |
9.29 |
8.5 |
|
2007 |
7.8 |
7.9 |
7.9 |
9.0 |
10.0 |
10.2 |
11.2 |
11.6 |
11.0 |
10.0 |
9.0 |
8.0 |
|
2008 |
7.46 |
7.33 |
7.68 |
8.06 |
9.36 |
9.77 |
10.84 |
11.30 |
11.16 |
10.14 |
9.39 |
7.87 |
|
2009 |
7.29 |
7.20 |
7.5 |
8.4 |
9.54 |
10.4 |
11.4 |
11.74 |
11.8 |
10.5 |
9.0 |
7.0 |
|
2010 |
8.11 |
8.68 |
9.12 |
8.96 |
9.54 |
10.36 |
11.16 |
11.93 |
11.08 |
10.37 |
8.98 |
8.5 |
|
2011 |
7.8 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
2012 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
2013 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
2014 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
2016 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
2017 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
2018 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
2019 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
2020 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
2021 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
2022 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
2023 |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
|
Note, The blanks for the years 1940-41 are due to the Second World War. Apparently during that time, data was not collected by a lightkeeper.
Original data was sent by the Lightkeepers and now by the Marine Protected Area Guardian of Race Rocks to the Institute of Ocean Sciences where it is compiled and displayed at
http://www.pac.dfo-mpo.gc.ca/science/oceans/data-donnees/lighthouses-phares/index-eng.htm
Decade analysis by G. Fletcher.. NOTE probable evidence of climate change