************************************************************* *** Source: Thomas J. Conway *** *** Pieter Tans *** *** Lee S. Waterman *** *** National Oceanic & Atmospheric Administration *** *** Climate Monitoring and Diagnostics Laboratory *** *** 325 Broadway *** *** Boulder, Colorado 80303 *** ************************************************************* 1978 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 334.0 336.6 338.3 -99.99 1979 340.1 340.8 341.7 342.9 342.6 338.6 332.4 328.0 331.2 336.8 339.1 339.8 337.8 1980 341.0 342.7 343.7 344.2 344.6 341.6 334.3 330.5 332.5 337.3 340.6 342.0 339.6 1981 343.8 344.9 345.6 346.3 345.2 341.9 335.5 331.0 333.6 339.5 342.5 343.9 341.1 1982 345.6 346.5 347.3 348.1 347.2 343.7 336.3 330.7 333.1 338.8 342.2 345.0 342.0 1983 346.6 346.3 346.3 347.2 347.1 343.7 336.7 332.8 337.1 343.5 345.7 346.1 343.3 1984 347.7 349.4 349.1 349.4 349.6 345.1 339.3 337.7 339.9 344.0 347.5 348.8 345.6 1985 348.9 349.6 351.4 352.3 351.9 349.1 344.0 338.0 338.9 344.5 347.6 349.1 347.1 1986 351.4 352.0 352.2 353.1 353.2 350.4 343.8 338.5 341.3 346.3 349.2 351.2 348.6 1987 352.2 352.6 353.6 354.9 354.9 351.9 345.2 339.5 341.5 348.7 352.6 353.6 350.1 1988 354.9 355.6 356.2 357.2 357.2 353.2 344.8 340.9 345.1 351.4 354.7 356.3 352.3 1989 357.6 358.1 359.3 360.7 359.6 355.7 347.9 342.7 346.3 352.1 355.4 358.2 354.5 1990 359.6 359.8 360.2 360.5 359.1 353.9 347.4 344.4 346.8 353.8 358.9 359.5 355.3 1991 359.4 360.5 361.7 363.0 362.4 357.2 351.0 348.7 349.6 354.1 359.3 360.8 357.3 1992 361.4 361.9 362.2 363.1 362.2 357.0 350.5 346.5 349.1 354.4 358.2 360.5 357.3