1948 2024 1948 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 1949 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 1950 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 1951 2.50 1.50 -0.20 -0.50 -1.10 0.30 -1.70 -0.40 -1.80 -1.60 -1.30 -1.20 1952 -1.50 -1.00 0.90 -0.40 1.20 1.20 0.80 0.10 -0.40 0.60 0.00 -2.00 1953 0.50 -0.80 -0.30 0.30 -2.80 0.20 -0.00 -2.00 -2.10 0.10 -0.50 -0.80 1954 1.10 -0.50 0.40 1.10 0.80 0.20 0.70 1.80 0.30 0.40 0.20 2.30 1955 -0.90 3.10 1.10 -0.20 1.70 2.20 2.60 2.40 2.20 2.50 2.00 1.60 1956 2.20 2.70 2.20 1.50 2.30 1.80 1.80 2.00 0.10 2.90 0.20 1.80 1957 1.00 -0.10 0.30 0.40 -1.10 0.30 0.40 -0.80 -1.50 0.10 -1.60 -0.50 1958 -3.10 -0.80 0.40 0.60 -0.80 0.50 0.70 1.50 -0.50 0.10 -0.70 -1.00 1959 -1.50 -2.30 2.10 0.70 0.80 -0.20 -0.40 -0.20 0.00 0.80 1.50 1.50 1960 0.20 0.20 1.70 1.30 0.90 0.20 0.80 1.30 1.10 0.20 0.90 1.30 1961 -0.40 1.50 -3.00 1.30 0.50 0.20 0.40 0.20 0.10 -0.50 0.90 2.50 1962 3.30 -0.50 0.20 0.30 1.80 1.20 0.10 1.00 0.70 1.60 0.50 0.30 1963 1.70 0.90 1.90 1.30 0.60 -0.80 -0.20 0.00 -1.00 -2.00 -1.40 -2.00 1964 -0.60 0.10 1.90 1.80 0.40 1.20 0.90 2.50 2.10 2.20 0.30 -0.50 1965 -0.70 0.70 1.20 -0.90 0.30 -0.90 -3.00 -1.10 -2.20 -1.50 -2.40 0.30 1966 -2.20 -0.40 -1.50 -0.30 -0.70 0.50 0.10 1.10 -0.40 -0.20 -0.00 -0.60 1967 2.80 2.80 2.00 -0.10 -0.00 1.10 0.30 1.20 0.80 0.10 -0.70 -0.90 1968 0.90 2.10 0.20 0.00 2.10 1.80 1.10 0.40 -0.40 -0.10 -0.60 0.30 1969 -2.40 -0.90 0.70 -0.60 -0.40 0.30 -0.80 -0.20 -1.60 -1.50 -0.10 0.70 1970 -1.90 -1.70 1.00 -0.10 0.60 1.60 -0.60 1.00 1.90 1.70 2.60 3.20 1971 0.60 3.30 3.80 2.80 1.40 0.70 0.40 2.50 2.30 2.80 0.90 0.40 1972 0.80 1.80 1.10 -0.20 -2.60 -0.90 -2.40 -0.80 -2.20 -1.50 -0.60 -2.10 1973 -0.50 -2.30 1.20 0.10 0.70 1.80 1.00 2.10 2.00 1.30 4.30 3.00 1974 4.00 3.40 4.00 1.60 1.60 0.70 1.90 1.30 1.80 1.50 -0.20 0.30 1975 -0.80 1.30 2.60 1.90 1.10 2.10 3.10 3.30 3.40 2.80 1.90 3.50 1976 2.30 2.80 2.90 0.50 0.60 0.40 -1.40 -1.30 -1.90 0.70 1.20 -0.60 1977 -0.70 2.00 -0.90 -0.70 -0.80 -1.50 -1.90 -1.30 -1.30 -1.70 -2.10 -1.70 1978 -0.50 -4.40 -0.30 -0.50 2.20 1.10 0.90 0.70 0.10 -0.60 -0.00 -0.10 1979 -0.70 1.60 0.20 -0.20 0.80 1.10 2.20 -0.30 0.20 -0.20 -0.70 -1.20 1980 0.70 0.50 -0.70 -1.00 -0.00 -0.00 -0.10 0.60 -0.80 0.00 -0.60 -0.10 1981 0.60 -0.30 -2.10 -0.20 1.30 2.00 1.40 1.20 0.50 -0.60 0.30 0.80 1982 2.00 0.40 1.00 0.10 -0.60 -1.70 -2.50 -2.90 -2.90 -2.80 -4.30 -3.70 1983 -5.80 -6.00 -4.00 -1.50 1.00 0.10 -1.00 0.20 1.40 0.70 -0.20 0.00 1984 0.30 1.40 -0.40 0.60 0.30 -0.60 0.30 0.70 0.20 -0.50 0.40 -0.20 1985 -0.50 2.00 1.30 1.90 0.70 -0.60 -0.20 1.60 0.00 -0.60 -0.30 0.40 1986 1.60 -1.70 0.80 0.50 -0.40 1.60 0.50 -0.60 -0.80 1.10 -2.00 -2.40 1987 -1.10 -2.10 -2.10 -2.30 -2.10 -1.80 -2.20 -1.50 -1.70 -0.60 -0.00 -0.80 1988 -0.20 -0.60 1.10 0.20 1.50 0.10 1.70 2.50 3.00 2.30 2.80 2.00 1989 2.50 2.00 1.80 2.70 2.00 1.20 1.50 -0.50 0.80 1.30 -0.40 -0.90 1990 -0.10 -3.00 -0.70 0.30 2.00 0.50 0.90 -0.30 -1.20 0.40 -0.80 -0.40 1991 1.00 0.40 -1.10 -1.00 -1.70 -0.20 0.00 -0.70 -2.50 -1.70 -1.10 -2.90 1992 -4.70 -1.50 -3.30 -1.70 0.40 -1.00 -1.00 0.60 0.10 -2.30 -1.10 -0.90 1993 -1.50 -1.20 -0.80 -1.90 -0.60 -1.40 -1.30 -1.60 -1.20 -1.80 -0.10 0.30 1994 -0.20 0.40 -1.10 -2.10 -1.10 -0.70 -2.20 -2.00 -2.60 -1.90 -0.90 -2.00 1995 -0.70 -0.20 1.20 -1.10 -0.60 0.20 0.70 0.50 0.40 0.00 0.10 -0.80 1996 1.60 0.40 1.90 1.30 0.50 1.90 1.10 1.20 1.00 1.00 -0.10 1.50 1997 0.80 2.90 -0.70 -1.00 -2.20 -2.30 -1.20 -2.40 -2.40 -2.40 -2.00 -1.60 1998 -4.40 -3.40 -4.00 -2.40 0.40 1.60 2.00 1.90 1.70 1.80 1.70 2.30 1999 3.00 1.60 2.10 2.30 0.40 0.40 0.90 0.60 -0.10 1.60 1.70 2.40 2000 1.10 2.70 2.20 2.00 0.60 -0.30 -0.30 1.20 1.40 1.80 3.00 1.30 2001 1.60 2.80 1.50 0.30 -0.80 0.50 -0.30 -0.70 0.30 -0.10 1.10 -1.40 2002 0.70 1.80 -0.40 -0.10 -1.40 -0.40 -0.80 -1.60 -1.00 -0.60 -0.70 -1.80 2003 -0.30 -1.10 -0.50 -0.20 -0.50 -1.00 0.50 0.20 -0.20 0.00 -0.50 1.80 2004 -2.20 2.00 0.70 -1.50 1.70 -1.40 -0.80 -0.50 -0.60 -0.10 -1.10 -1.30 2005 0.60 -5.20 0.50 -1.00 -1.30 0.70 0.30 -0.60 0.60 2.00 -0.30 -0.00 2006 2.70 0.20 2.90 1.80 -0.80 -0.40 -1.00 -1.70 -1.00 -2.10 0.10 -0.50 2007 -1.30 -0.10 0.30 -0.20 -0.20 0.90 -0.50 0.70 0.30 1.20 1.40 2.70 2008 2.90 4.40 2.40 1.10 -0.10 1.00 0.50 1.70 2.00 2.10 2.20 2.40 2009 1.80 3.10 0.70 1.30 -0.20 0.20 0.40 -0.30 0.50 -2.00 -1.00 -1.20 2010 -1.80 -2.40 -1.10 2.00 1.50 0.60 3.00 3.00 3.70 2.90 2.10 4.80 2011 3.80 4.50 4.20 3.10 0.60 0.40 1.60 0.70 1.70 1.20 1.80 4.10 2012 1.80 0.80 1.20 -0.40 0.10 -0.70 -0.10 -0.30 0.40 0.50 0.40 -1.00 2013 -0.10 -0.40 2.50 0.40 1.30 2.00 1.30 0.30 0.50 -0.10 1.20 0.10 2014 2.40 0.10 -1.50 1.30 0.90 0.30 -0.30 -1.20 -1.20 -1.00 -1.50 -0.90 2015 -1.40 0.40 -1.20 -0.10 -1.20 -0.90 -1.90 -2.40 -2.70 -2.80 -0.80 -0.90 2016 -3.60 -3.20 -0.10 -2.00 0.70 1.10 0.70 1.20 2.00 -0.40 -0.20 0.50 2017 0.30 -0.10 1.50 -0.30 0.40 -0.70 1.30 0.90 1.00 1.50 1.50 -0.20 2018 1.80 -0.80 2.40 0.80 0.60 -0.20 0.40 -0.50 -1.50 0.60 -0.10 1.70 2019 -0.10 -2.30 -0.50 0.20 -0.70 -0.70 -0.60 -0.20 -1.90 -0.60 -1.40 -0.90 2020 0.30 -0.10 -0.20 0.30 0.70 -0.60 0.70 1.80 1.50 0.80 1.10 3.00 2021 3.20 2.50 0.60 0.60 0.80 0.70 2.30 1.00 1.30 1.20 1.60 2.50 2022 0.80 1.80 2.90 2.80 2.40 2.80 1.30 1.70 2.70 2.80 0.50 3.50 2023 2.30 2.30 0.30 0.40 -1.70 0.40 -0.40 -1.40 -2.10 -0.80 -1.30 -0.40 2024 0.80 -2.30 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 SOI Index from CPC https://psl.noaa.gov/data/climateindices/list/for info