************************************************************* *** Source: Thomas J. Conway *** *** Pieter Tans *** *** Lee S. Waterman *** *** National Oceanic & Atmospheric Administration *** *** Climate Monitoring and Diagnostics Laboratory *** *** 325 Broadway *** *** Boulder, Colorado 80303 *** ************************************************************* 1978 332.1 332.4 333.0 333.1 333.3 334.1 334.8 335.1 335.1 334.9 334.8 334.5 333.9 1979 334.2 334.1 333.9 333.9 334.3 334.6 335.0 335.9 336.8 337.0 336.6 336.3 335.2 1980 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 1981 338.8 338.9 339.0 339.1 339.8 340.4 340.7 340.9 340.9 340.9 341.0 340.7 340.1 1982 340.1 339.7 339.1 339.2 339.5 339.4 339.6 340.1 340.4 340.5 340.4 340.1 339.8 1983 339.7 339.4 339.5 340.1 340.6 340.9 341.4 342.0 342.2 342.2 342.2 342.1 341.0 1984 341.9 341.5 341.6 341.8 341.9 342.2 342.6 343.4 344.0 343.9 344.0 343.7 342.7 1985 343.0 342.8 343.1 343.4 343.3 343.5 344.1 344.8 345.1 345.1 345.2 344.9 344.0 1986 344.6 344.3 344.3 344.5 344.6 344.8 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 -99.99 1987 345.1 345.4 345.7 346.1 346.7 347.1 347.2 347.7 348.0 348.0 347.9 347.8 346.9 1988 347.9 348.0 348.8 349.4 349.4 349.5 349.7 350.0 350.7 350.7 350.4 350.0 349.5 1989 349.6 349.5 349.8 349.9 350.1 351.0 352.0 352.2 352.0 351.9 351.7 351.4 350.9 1990 350.5 350.1 350.6 351.1 351.4 351.8 352.3 353.0 353.3 353.1 352.9 352.6 351.9 1991 352.2 352.1 352.3 352.5 352.8 353.1 353.5 353.8 354.0 354.1 354.1 353.7 353.2 1992 353.1 352.9 353.1 353.4 353.8 354.1 354.6 355.0 355.2 355.4 355.0 354.7 354.2