30 mb zonal wind index - CDAS ORIGINAL DATA YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1979 1.85 4.11 .87 -3.58 -12.91 -19.61 -21.28 -22.25 -22.71 -23.33 -22.21 -17.00 1980 -10.12 -5.66 -2.92 2.30 6.23 7.32 8.73 9.60 12.65 13.09 12.14 9.72 1981 8.21 6.71 7.50 8.27 3.00 -3.50 -5.24 -8.25 -8.60 -9.54 -9.63 -12.32 1982 -12.53 -14.72 -16.68 -15.56 -15.27 -15.95 -8.97 -1.60 4.19 8.26 9.50 10.34 1983 10.84 11.38 12.16 13.80 11.92 3.11 -3.40 -6.54 -7.76 -10.13 -10.30 -11.43 1984 -10.66 -11.35 -12.99 -14.59 -15.06 -17.98 -25.40 -27.91 -25.45 -21.60 -13.20 -8.17 1985 -.38 4.16 6.35 11.10 13.55 13.88 11.09 11.07 11.70 11.83 11.62 9.87 1986 8.73 10.14 11.95 9.10 3.55 -2.17 -5.26 -9.61 -10.22 -9.61 -8.02 -10.52 1987 -9.94 -11.38 -14.24 -16.21 -20.06 -21.48 -13.97 -.61 5.86 9.34 9.22 8.40 1988 7.80 6.16 5.85 6.58 5.45 .41 -3.97 -2.59 -2.31 -1.54 -.85 -2.44 1989 -2.88 -3.57 -1.64 -1.94 -5.47 -9.39 -13.87 -16.99 -18.84 -21.31 -19.02 -13.55 1990 -8.72 -6.75 .94 5.71 11.45 12.89 12.53 12.62 13.20 12.38 11.54 10.67 1991 8.70 8.43 8.99 10.68 3.81 -3.35 -10.37 -14.70 -13.97 -12.22 -12.28 -12.69 1992 -13.97 -14.34 -16.85 -17.80 -15.97 -15.35 -12.06 -4.76 1.29 3.93 6.32 8.18 1993 9.62 10.79 11.35 12.59 13.55 6.54 .37 -1.21 -1.15 -4.05 -5.77 -6.01 1994 -7.65 -9.85 -11.31 -14.72 -18.04 -23.09 -28.66 -27.03 -19.08 -10.30 -.31 5.92 1995 8.37 8.00 8.78 11.78 14.91 15.61 11.73 9.50 6.97 3.42 -.86 -4.65 1996 -5.80 -6.91 -9.94 -11.09 -14.89 -17.04 -23.94 -25.86 -26.03 -23.41 -18.09 -9.87 1997 -3.59 1.93 4.49 9.20 12.50 14.67 14.57 11.36 12.00 11.39 8.22 3.04 1998 .74 -2.88 -4.99 -7.16 -12.56 -17.61 -22.62 -23.96 -20.99 -18.24 -13.29 -5.16 1999 1.40 3.97 6.79 12.14 15.05 15.18 13.42-999.90-999.90-999.90-999.90-999.90 2000-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90 30 mb zonal wind index - CDAS ANOMALY YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1979 2.60 4.57 .98 -4.02 -12.01 -15.37 -14.93 -16.29 -18.34 -19.72 -19.73 -14.90 1980 -9.37 -5.20 -2.81 1.86 7.13 11.56 15.08 15.56 17.02 16.70 14.62 11.82 1981 8.96 7.17 7.61 7.83 3.90 .74 1.11 -2.29 -4.23 -5.93 -7.15 -10.22 1982 -11.78 -14.26 -16.57 -16.00 -14.37 -11.71 -2.62 4.36 8.56 11.87 11.98 12.44 1983 11.59 11.84 12.27 13.36 12.82 7.35 2.95 -.58 -3.39 -6.52 -7.82 -9.33 1984 -9.91 -10.89 -12.88 -15.03 -14.16 -13.74 -19.05 -21.95 -21.08 -17.99 -10.72 -6.07 1985 .37 4.62 6.46 10.66 14.45 18.12 17.44 17.03 16.07 15.44 14.10 11.97 1986 9.48 10.60 12.06 8.66 4.45 2.07 1.09 -3.65 -5.85 -6.00 -5.54 -8.42 1987 -9.19 -10.92 -14.13 -16.65 -19.16 -17.24 -7.62 5.35 10.23 12.95 11.70 10.50 1988 8.55 6.62 5.96 6.14 6.35 4.65 2.38 3.37 2.06 2.07 1.63 -.34 1989 -2.13 -3.11 -1.53 -2.38 -4.57 -5.15 -7.52 -11.03 -14.47 -17.70 -16.54 -11.45 1990 -7.97 -6.29 1.05 5.27 12.35 17.13 18.88 18.58 17.57 15.99 14.02 12.77 1991 9.45 8.89 9.10 10.24 4.71 .89 -4.02 -8.74 -9.60 -8.61 -9.80 -10.59 1992 -13.22 -13.88 -16.74 -18.24 -15.07 -11.11 -5.71 1.20 5.66 7.54 8.80 10.28 1993 10.37 11.25 11.46 12.15 14.45 10.78 6.72 4.75 3.22 -.44 -3.29 -3.91 1994 -6.90 -9.39 -11.20 -15.16 -17.14 -18.85 -22.31 -21.07 -14.71 -6.69 2.17 8.02 1995 9.12 8.46 8.89 11.34 15.81 19.85 18.08 15.46 11.34 7.03 1.62 -2.55 1996 -5.05 -6.45 -9.83 -11.53 -13.99 -12.80 -17.59 -19.90 -21.66 -19.80 -15.61 -7.77 1997 -2.84 2.39 4.60 8.76 13.40 18.91 20.92 17.32 16.37 15.00 10.70 5.14 1998 1.49 -2.42 -4.88 -7.60 -11.66 -13.37 -16.27 -18.00 -16.62 -14.63 -10.81 -3.06 1999 2.15 4.43 6.90 11.70 15.95 19.42 19.77-999.90-999.90-999.90-999.90-999.90 2000-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90 30 mb zonal wind index - CDAS STANDARDIZED DATA YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1979 .23 .40 .09 -.36 -1.06 -1.36 -1.32 -1.44 -1.63 -1.75 -1.75 -1.32 1980 -.83 -.46 -.25 .16 .63 1.02 1.34 1.38 1.51 1.48 1.30 1.05 1981 .79 .64 .67 .69 .35 .07 .10 -.20 -.38 -.53 -.63 -.91 1982 -1.04 -1.26 -1.47 -1.42 -1.27 -1.04 -.23 .39 .76 1.05 1.06 1.10 1983 1.03 1.05 1.09 1.18 1.14 .65 .26 -.05 -.30 -.58 -.69 -.83 1984 -.88 -.97 -1.14 -1.33 -1.25 -1.22 -1.69 -1.95 -1.87 -1.59 -.95 -.54 1985 .03 .41 .57 .94 1.28 1.61 1.55 1.51 1.42 1.37 1.25 1.06 1986 .84 .94 1.07 .77 .39 .18 .10 -.32 -.52 -.53 -.49 -.75 1987 -.81 -.97 -1.25 -1.48 -1.70 -1.53 -.68 .47 .91 1.15 1.04 .93 1988 .76 .59 .53 .54 .56 .41 .21 .30 .18 .18 .14 -.03 1989 -.19 -.28 -.14 -.21 -.40 -.46 -.67 -.98 -1.28 -1.57 -1.47 -1.01 1990 -.71 -.56 .09 .47 1.09 1.52 1.67 1.65 1.56 1.42 1.24 1.13 1991 .84 .79 .81 .91 .42 .08 -.36 -.77 -.85 -.76 -.87 -.94 1992 -1.17 -1.23 -1.48 -1.62 -1.34 -.98 -.51 .11 .50 .67 .78 .91 1993 .92 1.00 1.02 1.08 1.28 .96 .60 .42 .29 -.04 -.29 -.35 1994 -.61 -.83 -.99 -1.34 -1.52 -1.67 -1.98 -1.87 -1.30 -.59 .19 .71 1995 .81 .75 .79 1.00 1.40 1.76 1.60 1.37 1.00 .62 .14 -.23 1996 -.45 -.57 -.87 -1.02 -1.24 -1.13 -1.56 -1.76 -1.92 -1.75 -1.38 -.69 1997 -.25 .21 .41 .78 1.19 1.68 1.85 1.53 1.45 1.33 .95 .46 1998 .13 -.21 -.43 -.67 -1.03 -1.18 -1.44 -1.60 -1.47 -1.30 -.96 -.27 1999 .19 .39 .61 1.04 1.41 1.72 1.75-999.90-999.90-999.90-999.90-999.90 2000-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90-999.90