Grytviken mean sea level pressure
| Year
| Jan
| Feb
| Mar
| Apr
| May
| Jun
| Jul
| Aug
| Sep
| Oct
| Nov
| Dec
|
1905 | 997.0 | 993.0 | 1000.0 | 997.0 | 997.0 | 989.0 | 997.0 | 1002.0 | 1001.0 | 997.0 | 994.0 | 997.0
|
|---|
1906 | 1000.0 | 992.0 | 990.0 | 994.0 | 988.0 | 1004.0 | 997.0 | 994.0 | 997.0 | 1001.0 | 989.0 | 992.0
|
|---|
1907 | 986.0 | 997.0 | 996.0 | 997.0 | 988.0 | 994.0 | 1001.0 | 1004.0 | 1001.0 | 1005.0 | 990.0 | 993.0
|
|---|
1908 | 995.0 | 997.0 | 1002.0 | 999.0 | 998.0 | 1002.0 | 990.0 | 1006.0 | 1006.0 | 999.0 | 994.0 | 995.0
|
|---|
1909 | 994.0 | 997.0 | 998.0 | 991.0 | 993.0 | 1002.0 | 1001.0 | 998.0 | 1002.0 | 1003.0 | 995.0 | 995.0
|
|---|
1910 | 991.0 | 1001.0 | 1002.0 | 994.0 | 998.0 | 994.0 | 1001.0 | 999.0 | 1002.0 | 1002.0 | 994.0 | 1002.0
|
|---|
1911 | - | - | - | - | - | 1002.0 | 997.0 | 995.0 | 1006.0 | 998.0 | 991.0 | 1002.0
|
|---|
1912 | 1001.0 | 997.0 | 990.0 | 990.0 | 991.0 | 1001.0 | 993.0 | 997.0 | 997.0 | 1001.0 | 988.0 | 995.0
|
|---|
1913 | 993.0 | 995.0 | 995.0 | 997.0 | 1001.0 | 994.0 | 993.0 | 1004.0 | 997.0 | 994.0 | 992.0 | 1001.0
|
|---|
1914 | 997.0 | 995.0 | 999.0 | 1002.0 | 995.0 | 997.0 | 1001.0 | 1001.0 | 1000.0 | 995.0 | 992.0 | 1000.0
|
|---|
1915 | 992.0 | 993.0 | 1001.0 | 992.0 | 994.0 | 997.0 | 996.0 | 994.0 | 1005.0 | 1005.0 | 998.0 | 993.0
|
|---|
1916 | 993.0 | 997.0 | 996.0 | 1000.0 | 989.0 | 994.0 | 1000.0 | 1006.0 | 997.0 | 1004.0 | 996.0 | 992.0
|
|---|
1917 | 992.0 | 997.0 | 997.0 | 1001.0 | 1006.0 | 990.0 | 1001.0 | 1000.0 | 1005.0 | 1002.0 | 998.0 | 993.0
|
|---|
1918 | 996.0 | 998.0 | 994.0 | 997.0 | 996.0 | 1008.0 | 1000.0 | 1000.0 | 1006.0 | 1005.0 | 994.0 | 996.0
|
|---|
1919 | 994.0 | 998.0 | 996.0 | 994.0 | 1001.0 | 998.0 | 1002.0 | 1000.0 | 998.0 | 993.0 | 986.0 | 998.0
|
|---|
1920 | 992.0 | 992.0 | 998.0 | 996.0 | 996.0 | 1006.0 | 994.0 | 998.0 | 997.0 | 996.0 | 1001.0 | 993.0
|
|---|
1921 | 993.0 | 1000.0 | 1002.0 | 998.0 | 998.0 | 1005.0 | 1000.0 | 993.0 | 1004.0 | 1006.0 | 990.0 | 994.0
|
|---|
1922 | 993.0 | 1000.0 | 990.0 | 993.0 | 992.0 | 1004.0 | 1001.0 | 1000.0 | 997.0 | 1006.0 | 1000.0 | 997.0
|
|---|
1923 | 997.0 | 1001.0 | 1001.0 | 989.0 | 997.0 | 1001.0 | 998.0 | 1000.0 | 997.0 | 1008.0 | 1002.0 | 986.0
|
|---|
1924 | 992.0 | 992.0 | 997.0 | 1000.0 | 989.0 | 998.0 | 994.0 | 1002.0 | 1004.0 | 1001.0 | 993.0 | 992.0
|
|---|
1925 | 992.0 | 996.0 | 993.0 | 994.0 | 1000.0 | 1002.0 | 1002.0 | 994.0 | 997.0 | 998.0 | 992.0 | 1002.0
|
|---|
1926 | 1001.0 | 1009.0 | 990.0 | 1000.0 | 1004.0 | 996.0 | 1004.0 | 1002.0 | 996.0 | 1002.0 | 996.0 | 994.0
|
|---|
1927 | 997.0 | 988.0 | 1000.0 | 993.0 | 997.0 | 997.0 | 994.0 | 990.0 | 1002.0 | 994.0 | 992.0 | 993.0
|
|---|
1928 | 990.0 | 992.0 | - | - | 989.0 | 998.0 | 1001.0 | 1000.0 | 998.0 | 1001.0 | 993.0 | 992.0
|
|---|
1929 | 997.0 | 990.0 | 996.0 | 994.0 | 998.0 | 990.0 | 996.0 | 994.0 | 996.0 | 1001.0 | 1000.0 | 992.0
|
|---|
1930 | 992.0 | 992.0 | 992.0 | 989.0 | 998.0 | 988.0 | 993.0 | 998.0 | 1001.0 | 994.0 | 996.0 | 997.0
|
|---|
1931 | 994.1 | 996.6 | 995.4 | 998.7 | 1005.1 | 999.4 | 1000.7 | 1003.2 | 995.0 | 1001.2 | 988.9 | 995.4
|
|---|
1932 | 990.1 | 991.9 | 994.9 | 999.1 | 993.4 | 997.0 | 993.9 | 1004.1 | 1000.0 | 998.3 | 989.3 | 990.4
|
|---|
1933 | 995.5 | 993.4 | 1000.4 | 994.2 | 998.0 | 996.0 | 1003.2 | 997.1 | 1000.6 | 996.3 | 988.3 | 989.2
|
|---|
1934 | 998.1 | 991.4 | 997.4 | 994.9 | 992.6 | 999.7 | 998.6 | 996.0 | 997.7 | 999.0 | 998.6 | 988.0
|
|---|
1935 | 999.6 | 996.9 | 992.5 | 991.4 | 996.8 | 1000.9 | 992.0 | 996.7 | 992.2 | 1003.3 | 989.0 | 994.4
|
|---|
1936 | 994.8 | 997.8 | 995.3 | 999.5 | 991.4 | 996.4 | 1003.9 | 1005.3 | 1000.0 | 1000.3 | 996.6 | 994.2
|
|---|
1937 | 992.7 | 990.8 | 999.5 | 997.6 | 1001.5 | 994.8 | 996.5 | 1000.3 | 1001.9 | 998.9 | 994.8 | 992.7
|
|---|
1938 | 991.2 | 998.9 | 998.2 | 998.1 | 998.0 | 995.2 | 995.0 | 990.1 | 998.0 | 998.6 | 993.8 | 996.6
|
|---|
1939 | 992.9 | 997.0 | 994.5 | 997.6 | 990.5 | 993.5 | 995.3 | 995.4 | 998.5 | 1003.7 | 986.0 | 992.9
|
|---|
1940 | 992.8 | 1005.7 | 1000.9 | 995.4 | 992.5 | 998.9 | 999.9 | 996.1 | 1001.7 | 997.6 | 999.2 | 991.7
|
|---|
1941 | 989.0 | 996.0 | 997.0 | 991.0 | 998.0 | 992.0 | 1007.0 | 1000.0 | 993.0 | 991.0 | 996.0 | 998.0
|
|---|
1942 | 993.0 | 996.0 | 995.0 | 993.0 | 1002.0 | 994.0 | 1006.0 | 1003.0 | 1001.0 | 996.0 | 998.0 | 993.0
|
|---|
1943 | 994.0 | 995.0 | 995.0 | 999.0 | 989.0 | 1007.0 | 1001.0 | 999.0 | 1007.0 | 1001.0 | 993.0 | 990.0
|
|---|
1944 | 991.0 | 991.0 | 997.0 | 999.0 | 995.0 | 990.0 | 1001.0 | 996.0 | 996.0 | 1002.0 | 999.0 | 1003.0
|
|---|
1945 | 988.0 | 1001.0 | 990.0 | 990.0 | 1004.0 | 991.0 | 997.0 | 1005.0 | 1003.0 | 992.0 | 991.0 | 997.0
|
|---|
1946 | 997.0 | 991.0 | 1004.0 | 995.0 | 995.0 | 995.0 | 1004.0 | 997.0 | 1008.0 | 992.0 | 992.0 | 989.0
|
|---|
1947 | 991.0 | 992.0 | 1000.0 | 996.0 | 991.0 | 996.0 | 1002.0 | 1002.0 | 998.0 | 1000.0 | 992.0 | 987.0
|
|---|
1948 | 995.0 | 985.0 | 998.0 | 996.0 | 994.0 | 999.0 | 999.0 | 1002.0 | 1007.0 | 999.0 | 984.0 | 993.0
|
|---|
1949 | 989.0 | 994.0 | 994.0 | 991.0 | 999.0 | 999.0 | 996.0 | 994.0 | 999.0 | 1001.0 | 988.0 | 994.0
|
|---|
1950 | 994.0 | 996.0 | 1004.0 | 995.0 | 991.0 | 1003.0 | 993.0 | 991.0 | 1002.0 | 1000.0 | 995.0 | 997.0
|
|---|
1951 | 991.0 | 994.0 | 1001.0 | 1005.0 | 997.0 | 996.0 | 994.0 | 1006.0 | 998.0 | 996.0 | 999.0 | 998.0
|
|---|
1952 | 994.0 | 995.0 | 994.0 | 997.0 | 989.0 | 1002.0 | 995.0 | 1004.0 | 1002.0 | 999.0 | 996.0 | 990.0
|
|---|
1953 | 990.0 | 990.0 | 996.0 | 984.0 | 995.0 | 1001.0 | 1001.0 | 1003.0 | 1010.0 | 994.0 | 993.0 | 999.0
|
|---|
1954 | 988.0 | 997.0 | 995.0 | 1000.0 | 998.0 | 997.0 | 1000.0 | 995.0 | 999.0 | 1010.0 | 1001.0 | 996.0
|
|---|
1955 | 996.0 | 1000.0 | 996.0 | 997.0 | 1000.0 | 994.0 | 998.0 | 1005.0 | 1008.0 | 1010.0 | 992.0 | 987.0
|
|---|
1956 | 994.0 | 996.0 | 1002.0 | 1007.0 | 1008.0 | 1007.0 | 1005.0 | 1011.0 | 998.0 | 1001.0 | 994.0 | 991.0
|
|---|
1957 | 992.0 | 1003.0 | 1000.0 | 999.0 | 1000.0 | 994.0 | 996.0 | 1001.0 | 1006.0 | 990.0 | 1003.0 | 993.0
|
|---|
1958 | 994.0 | 994.0 | 999.0 | 1000.0 | 996.0 | 997.0 | 1002.0 | 998.0 | 1004.0 | 1001.0 | 996.0 | 990.0
|
|---|
1959 | 990.8( 99) | 988.1(100) | 999.5(100) | 993.9(100) | 996.7(100) | 1000.2(100) | 994.8(100) | 998.2(100) | 1000.3( 75) | 1002.4(100) | 989.0(100) | 993.6(100)
|
|---|
1960 | 994.0(100) | 997.9(100) | 1002.4(100) | 993.5(100) | 991.6(100) | 995.3(100) | 995.0(100) | 997.0(100) | 1005.6(100) | 998.2(100) | 989.2(100) | 992.4(100)
|
|---|
1961 | 997.9(100) | 996.0(100) | 992.6(100) | 999.4(100) | 986.6(100) | 992.1(100) | 997.7(100) | 993.4(100) | 996.3(100) | 997.9(100) | 989.9(100) | 990.7(100)
|
|---|
1962 | 997.8(100) | 996.2(100) | 993.8(100) | 1002.3(100) | 1000.0(100) | 999.5(100) | 996.7(100) | 1000.2(100) | 1004.7(100) | 1008.6(100) | 990.2(100) | 991.4(100)
|
|---|
1963 | 989.7(100) | 995.0(100) | 993.2(100) | 996.1(100) | 998.4(100) | 995.1(100) | 1004.3(100) | 1003.9(100) | 1002.0(100) | 989.9(100) | 1001.8(100) | 996.1(100)
|
|---|
1964 | 999.5(100) | 993.3(100) | 998.5(100) | 986.8(100) | 996.5(100) | 995.3(100) | 1007.4(100) | 992.9(100) | 1008.2(100) | 1004.5(100) | 993.1(100) | 1000.6(100)
|
|---|
1965 | 995.2(100) | 1003.3(100) | 1002.3(100) | 996.9(100) | 994.0(100) | 997.0(100) | 999.8(100) | 1000.1(100) | 995.8(100) | 992.5(100) | 996.7(100) | 988.5(100)
|
|---|
1966 | 996.0(100) | 990.2(100) | 996.8(100) | 997.7(100) | 992.4(100) | 997.6(100) | 996.5(100) | 1002.7(100) | 994.9(100) | 992.2(100) | 990.8(100) | 993.0(100)
|
|---|
1967 | 995.7(100) | 998.1(100) | 993.8(100) | 992.4(100) | 992.8(100) | 1003.2(100) | 1003.0(100) | 999.0(100) | 998.6(100) | 994.8(100) | 994.4(100) | 991.8(100)
|
|---|
1968 | 992.9(100) | 997.0(100) | 996.8(100) | 997.6(100) | 991.5(100) | 994.6(100) | 1001.8(100) | 1003.9(100) | 1002.0(100) | 1003.3(100) | 996.9(100) | 994.5(100)
|
|---|
1969 | 995.1(100) | 990.7(100) | 993.9(100) | 997.8(100) | 995.0(100) | 1000.0(100) | 1000.6(100) | 1002.3(100) | 1008.0(100) | 990.5(100) | 999.2(100) | 997.8(100)
|
|---|
1970 | 995.3(100) | 994.6(100) | 992.7(100) | 991.2(100) | 990.3(100) | 1002.5(100) | 1003.6(100) | 1002.9(100) | 1012.2(100) | 1002.7(100) | 998.6(100) | 991.7(100)
|
|---|
1971 | 994.1(100) | 993.1(100) | 997.3(100) | 998.1(100) | 998.7(100) | 1002.1(100) | 1006.5(100) | 999.4(100) | 1002.7(100) | 1003.3(100) | 995.0(100) | 988.0(100)
|
|---|
1972 | 993.8(100) | 994.0(100) | 996.1(100) | 997.5(100) | 997.8(100) | 994.3(100) | 999.7(100) | 1002.3(100) | 994.2(100) | 995.2(100) | 989.2(100) | 1002.7(100)
|
|---|
1973 | 988.3(100) | 992.4(100) | 1000.1(100) | 989.6(100) | 990.6(100) | 994.8(100) | 1004.2(100) | 993.3(100) | 998.0(100) | 1003.0(100) | 993.3(100) | 990.2(100)
|
|---|
1974 | 995.9(100) | 1001.0(100) | 1002.7(100) | 990.8(100) | 993.5(100) | 1004.0(100) | 996.9(100) | 995.1(100) | 994.6(100) | 999.4(100) | 996.3(100) | 998.6(100)
|
|---|
1975 | 991.7(100) | 989.8(100) | 994.5(100) | 1000.2(100) | 993.5(100) | 994.1(100) | 997.5(100) | 992.8(100) | 999.6(100) | 1000.0(100) | 989.8(100) | 991.2(100)
|
|---|
1976 | 991.6(100) | 999.0(100) | 997.1(100) | 992.7(100) | 997.6(100) | 989.2(100) | 994.0(100) | 994.2(100) | 994.7(100) | 1009.1(100) | 1008.5(100) | 994.3(100)
|
|---|
1977 | 997.2(100) | 996.7(100) | 990.7(100) | 996.3(100) | 993.5(100) | 999.1(100) | 1002.2(100) | 1000.5(100) | 996.0(100) | 996.4(100) | 998.1(100) | 996.2(100)
|
|---|
1978 | 991.2(100) | 1000.9(100) | 1000.6(100) | 996.7(100) | 1007.8(100) | 998.7(100) | 998.8(100) | 1000.4(100) | 1006.0(100) | 1000.7(100) | 987.9(100) | 992.0(100)
|
|---|
1979 | 997.6(100) | 998.6(100) | 1000.0(100) | 992.8(100) | 994.0(100) | 987.9(100) | 997.7(100) | 999.3(100) | 998.7(100) | 993.4(100) | 993.0(100) | 999.6(100)
|
|---|
1980 | 992.7(100) | 1002.1(100) | 992.9(100) | 994.6(100) | 999.8(100) | 991.2(100) | 993.9(100) | 996.3(100) | 997.1(100) | 994.8(100) | 995.8(100) | 996.2(100)
|
|---|
1981 | 993.2(100) | 995.7(100) | 993.3(100) | 1003.4(100) | 996.7(100) | 995.7(100) | 1000.2(100) | 992.6(100) | 996.5(100) | 993.6(100) | 998.3(100) | 993.4(100)
|
|---|
1982 | 1000.0 | 996.0 | - | - | - | - | - | - | - | - | - | -
|
|---|
1983 | - | - | - | - | - | - | - | - | - | - | - | -
|
|---|
1984 | - | - | - | 991.4 | 994.8 | 997.0 | 998.1 | 998.2 | 1010.7 | 994.2 | 991.5 | 997.6
|
|---|
1985 | 1001.1 | 989.8 | 989.8 | 997.8 | 994.1 | 1002.0 | 995.3 | 996.0 | 1005.2 | 1002.6 | 990.7 | 990.0
|
|---|
1986 | 988.9 | 993.1 | 998.4 | 996.6 | 993.9 | 999.9 | 990.6 | 998.9 | 997.3 | 998.7 | 988.8 | 989.6
|
|---|
1987 | 992.0 | 997.9 | 991.2 | 994.7 | 995.6 | 991.3 | 992.9 | 1005.5 | 994.3 | 993.8 | 998.3 | 997.1
|
|---|
1988 | 986.1 | 1001.8 | 995.6 | 993.0 | 999.4 | 996.2 | 999.5 | 991.9 | 995.7 | 1000.2 | 989.7 | 993.0
|
|---|
1989 | 993.9 | 996.4 | 1002.5 | 990.6 | 1000.5 | 992.1 | 1008.5 | 1004.6 | 1004.9 | 1000.0 | 991.7 | 993.5
|
|---|
1990 | 993.4 | 997.3 | 998.4 | 984.8 | 1000.1 | 996.6 | 999.2 | 994.3 | 998.3 | 989.1 | 990.1 | 989.4
|
|---|
1991 | 1002.2 | 998.8 | 995.6 | 999.5 | 988.6 | 992.7 | 996.8 | 1001.3 | 1006.4 | 991.9 | 997.9 | 995.4
|
|---|
1992 | 999.8 | 995.7 | 992.8 | 1004.4 | 998.2 | 997.5 | 998.3 | 1003.2 | 999.5 | 1000.2 | 999.6 | 1005.6
|
|---|
1993 | 997.5 | 999.7 | 994.4 | 997.2 | 1004.0 | 999.5 | 1003.6 | 998.9 | 996.0 | 998.3 | 1001.9 | 993.9
|
|---|
1994 | 995.1 | 993.1 | 993.9 | 994.4 | 992.4 | 997.0 | 990.2 | 1000.2 | 997.9 | 989.1 | 1000.0 | 993.8
|
|---|
1995 | 999.7 | 999.0 | 991.7 | 1002.4 | 995.3 | 990.2 | 992.8 | 995.6 | 994.2 | 1002.5 | 993.9 | 990.6
|
|---|
1996 | - | - | - | - | - | - | - | - | - | - | - | -
|
|---|
1997 | - | - | - | - | - | - | - | - | - | - | - | -
|
|---|
1998 | - | - | - | - | - | - | - | - | - | - | - | -
|
|---|
1999 | - | - | - | - | - | - | - | - | - | - | - | -
|
|---|
2000 | 992.3( 69) | 1003.8( 72) | 1008.3( 58) | 1000.4( 51) | 1002.8( 48) | 1002.6( 57) | 1004.5( 63) | 993.3( 52) | 1003.9( 44) | 993.4( 40) | 991.6( 45) | 989.1( 46)
|
|---|
2001 | 997.7( 47) | 992.9( 46) | 1004.7( 19) | - | 1007.0( 99) | 991.8( 99) | 987.7( 93) | 1000.3( 87) | - | 997.0( 42) | 1002.2( 58) | 1001.2(100)
|
|---|
2002 | 1000.4(100) | 993.4(100) | 990.1(100) | 993.0(100) | 992.6(100) | 991.1(100) | 997.7(100) | 1001.7( 94) | 1007.2(100) | 993.4(100) | - | -
|
|---|
2003 | 990.1(100) | 999.2(100) | 993.7(100) | 995.6(100) | 995.7(100) | 998.3(100) | 992.8( 98) | 1002.3(100) | 1009.0(100) | 998.8(100) | 987.6(100) | 997.4(100)
|
|---|
2004 | 997.6(100) | 1001.3(100) | 999.8(100) | 993.3(100) | 992.4( 95) | 995.8(100) | 999.5(100) | 998.4(100) | 992.4(100) | 999.5(100) | - | 997.1(100)
|
|---|
2005 | 993.8(100) | 996.4(100) | 996.4(100) | 988.9(100) | 997.0(100) | 997.4(100) | 999.1(100) | 1002.9(100) | 1005.7(100) | 999.9(100) | 992.9(100) | 990.9(100)
|
|---|
2006 | 996.9(100) | 1002.5( 96) | 1005.2( 70) | 1004.6( 77) | 1007.2(100) | 998.5( 93) | 997.5( 87) | 997.1(100) | 994.4(100) | 1000.8(100) | 992.3(100) | 997.4(100)
|
|---|
2007 | 990.5( 92) | 993.2( 62) | 991.2( 59) | 991.9(100) | 998.2( 98) | 991.4(100) | 991.7(100) | 999.5( 97) | 1004.8( 98) | 995.3(100) | 992.6( 99) | 993.4(100)
|
|---|
2008 | 997.3( 82) | 998.3( 97) | 997.0( 98) | 990.2(100) | 1001.2( 92) | 997.0( 96) | 1004.8(100) | 999.8(100) | 1012.5(100) | 998.7( 94) | 995.3( 99) | 993.2( 98)
|
|---|
2009 | 999.1( 98) | - | - | - | - | - | - | - | - | - | - | -
|
|---|
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