1959 01 -24.80 -33.70 -29.25 
1959 02 -99.99 -36.59 -99.99 
1959 03 -27.10 -34.70 -30.90 
1959 04 -16.60 -25.80 -21.20 
1959 05  -8.70 -17.10 -12.90 
1959 06   1.30  -3.10   -.90 
1959 07   6.10   0.70   3.40 
1959 08   5.90   0.30   3.10 
1959 09   1.00  -2.60   -.79 
1959 10 -11.00 -16.50 -13.75 
1959 11 -19.10 -24.40 -21.75 
1959 12 -18.40 -99.99 -99.99 
1960 01 -30.20 -37.50 -33.84 
1960 02 -30.10 -36.70 -33.40 
1960 03 -29.70 -37.40 -33.55 
1960 04 -17.29 -26.80 -22.05 
1960 05  -2.00  -8.10  -5.05 
1960 06   7.40   -.30   3.55 
1960 07   9.70   2.40   6.05 
1960 08   8.60   4.40   6.50 
1960 09   1.40  -1.20   0.09 
1960 10  -5.40  -9.89  -7.64 
1960 11 -21.90 -27.00 -24.45 
1960 12 -21.90 -28.60 -25.25 
1961 01 -99.99 -37.59 -99.99 
1961 02 -99.99 -35.90 -99.99 
1961 03 -99.99 -41.40 -99.99 
1961 04 -19.00 -26.20 -22.60 
1961 05  -8.20 -15.80 -12.00 
1961 06   2.20  -2.20   0.00 
1961 07   9.10   3.60   6.35 
1961 08   3.80   0.40   2.09 
1961 09  -3.10  -6.30  -4.69 
1961 10 -13.60 -18.29 -15.95 
1961 11 -19.40 -24.70 -22.05 
1961 12 -27.60 -33.70 -30.65 
1962 01 -99.99 -38.30 -99.99 
1962 02 -99.99 -38.59 -99.99 
1962 03 -23.10 -30.20 -26.65 
1962 04 -19.29 -26.20 -22.75 
1962 05  -9.20 -15.10 -12.15 
1962 06   3.60   -.80   1.40 
1962 07   8.20   3.40   5.80 
1962 08   6.50   1.40   3.95 
1962 09   0.60  -2.60   -.99 
1962 10  -7.40 -12.40  -9.89 
1962 11 -20.60 -26.70 -23.65 
1962 12 -26.00 -32.20 -29.10 
1963 01 -99.99 -37.80 -99.99 
1963 02 -99.99 -33.59 -99.99 
1963 03 -99.99 -39.30 -99.99 
1963 04 -13.00 -22.70 -17.85 
1963 05  -8.30 -15.70 -12.00 
1963 06   2.50  -3.20   -.35 
1963 07   7.50   1.20   4.35 
2000 01 -27.20 -35.20 -31.20 
2000 02 -28.30 -35.20 -31.75 
2000 03 -23.50 -30.30 -26.90 
2000 04 -17.00 -24.50 -20.75 
2000 05  -4.69 -10.80  -7.75 
2000 06   2.90  -2.50   0.20 
2000 07  12.50   4.30   8.39 
2000 08   9.39   3.70   6.55 
2000 09   2.20  -1.40   0.40 
2000 10  -6.60 -11.60  -9.10 
2000 11 -17.90 -24.10 -21.00 
2000 12 -26.70 -32.90 -29.80 
2001 01 -28.10 -35.20 -31.65 
2001 02 -27.10 -34.50 -30.80 
2001 03 -22.10 -29.30 -25.70 
2001 04 -15.90 -25.10 -20.50 
2001 05  -3.70 -10.20  -6.95 
2001 06   0.70  -3.30  -1.30 
2001 07  13.00   4.30   8.64 
2001 08   7.40   3.20   5.30 
2001 09   4.50   0.60   2.55 
2001 10  -7.80 -11.60  -9.70 
2001 11 -17.20 -22.50 -19.85 
2001 12 -19.10 -26.10 -22.60 
2002 01 -26.60 -31.70 -29.15 
2002 02 -32.00 -37.30 -34.65 
2002 03 -26.30 -33.09 -29.70 
2002 04 -19.40 -27.00 -23.20 
2002 05  -7.30 -13.20 -10.25 
2002 06   3.40  -1.10   1.15 
2002 07   9.00   2.00   5.50 
2002 08   8.10   2.80   5.45 
2002 09   2.90   -.40   1.25 
2002 10  -4.80  -8.50  -6.65 
2002 11 -15.00 -21.90 -18.45 
2002 12 -19.90 -27.00 -23.45 
2003 01 -23.70 -30.50 -27.10 
2003 02 -32.09 -37.90 -35.00 
2003 03 -27.00 -33.59 -30.30 
2003 04 -16.10 -24.00 -20.04 
2003 05  -4.90 -11.10  -8.00 
2003 06   1.30  -2.60   -.65 
2003 07  11.10   3.00   7.05 
2003 08   8.00   2.90   5.45 
2003 09   1.60  -1.30   0.15 
2003 10  -3.00  -6.50  -4.75 
2003 11 -14.10 -19.40 -16.75 
2003 12 -24.60 -29.90 -27.25 
2004 01 -32.33 -37.00 -34.66 
2004 02 -29.63 -35.65 -32.64 
2004 03 -31.30 -37.08 -34.19 
2004 04 -18.58 -25.66 -22.12 
2004 05  -9.67 -15.15 -12.41 
2004 06   1.40  -2.60   -.59 
2004 07   7.60   1.07   4.33 
2004 08   5.49   1.00   3.24 
2004 09   1.79  -1.87  -0.04 
2004 10  -8.21 -13.26 -10.73 
2004 11 -19.48 -27.44 -23.46 
2004 12 -31.11 -36.13 -33.62 
2005 01 -28.53 -34.83 -31.68 
2005 02 -30.96 -36.91 -33.93 
2005 03 -26.48 -33.65 -30.06 
2005 04 -13.48 -22.96 -18.21 
2005 05  -7.23 -12.91 -10.07 
2005 06   2.25  -1.99   0.13 
2005 07   6.76   1.50   4.13 
2005 08   7.53   1.70   4.61 
2005 09   1.13  -1.95   -.41 
2005 10  -4.53  -9.95  -7.24 
2005 11 -16.81 -23.94 -20.37 
2005 12 -24.79 -30.80 -27.79 
2006 01 -25.25 -32.05 -28.65 
2006 02 -23.30 -30.76 -27.03 
2006 03 -19.09 -27.18 -23.13 
2006 04 -15.13 -23.37 -19.25 
2006 05  -3.25  -8.43  -5.84 
2006 06   5.65   -.17   2.74 
2006 07   7.76   1.91   4.83 
2006 08   8.07   3.41   5.74 
2006 09 -99.99   -.21 -99.99 
2006 10  -1.79  -4.75  -3.27 
2006 11 -15.55 -20.42 -17.98 
2006 12 -20.86 -27.32 -24.09 
2007 01 -26.19 -31.93 -29.06 
2007 02 -27.40 -32.91 -30.15 
2007 03 -26.61 -33.40 -30.00 
2007 04 -13.68 -21.66 -17.67 
2007 05  -7.61 -15.40 -11.50 
2007 06   3.26  -1.39   0.93 
2007 07   9.72   2.94   6.33 
2007 08   6.40   3.03   4.71 
2007 09   0.70  -1.74   -.52 
2007 10  -3.93  -6.98  -5.45 
2007 11 -20.91 -25.36 -23.13 
2007 12 -23.95 -29.09 -26.52 
2008 01 -28.07 -32.89 -30.48 
2008 02 -33.41 -37.62 -35.51 
2008 03 -31.10 -37.09 -34.09 
2008 04 -15.96 -23.55 -19.75 
2008 05  -4.48 -10.28  -7.38 
2008 06   2.82  -1.09   0.86 
2008 07  10.14   2.41   6.27 
2008 08   8.39   3.75   6.07 
2008 09   0.87  -1.75   -.44 
2008 10  -2.17  -5.86  -4.01 
2008 11 -15.81 -21.63 -18.71 
2008 12 -25.40 -31.13 -28.26 
2009 01 -24.93 -30.77 -27.85 
2009 02 -28.24 -33.95 -31.09 
2009 03 -27.66 -34.09 -30.87 
2009 04 -15.19 -23.32 -19.25 
2009 05  -7.91 -13.73 -10.82 
2009 06   0.83  -3.12  -1.14 
2009 07   8.89   2.43   5.66 
2009 08   7.00   1.95   4.47 
2009 09   3.51   -.17   1.67 
2009 10  -6.99 -10.70  -8.84 
2009 11 -15.60 -21.04 -18.32 
2009 12 -20.34 -26.82 -23.58 
2010 01 -23.79 -29.81 -26.80 
2010 02 -22.89 -29.95 -26.42 
2010 03 -20.85 -27.58 -24.21 
2010 05  -6.75 -12.45  -9.60 
2010 06   3.26  -1.28   0.99 
2010 07  10.31   3.33   6.82 
2010 08   9.22   3.90   6.56 
2010 09   3.73   0.13   1.93 
2010 10   -.91  -3.67  -2.29 
2010 11 -11.41 -18.10 -14.75 
2010 12 -18.33 -23.63 -20.98 
2011 01 -24.98 -31.48 -28.23 
2011 02 -27.54 -34.05 -30.79 
2011 03 -23.89 -30.96 -27.42 
2011 04 -18.87 -26.65 -22.76 
2011 05  -5.70 -12.69  -9.19 
2011 06   2.54  -1.16   0.69 
2011 07   9.76   2.68   6.22 
2011 08   9.22   5.29   7.25 
2011 09   2.78   -.15   1.31 
2011 10  -3.88  -7.71  -5.79 
2011 11 -13.75 -18.71 -16.23 
2011 12 -24.64 -30.34 -27.49 
2012 01 -28.28 -34.50 -31.39 
2012 02 -24.39 -30.40 -27.39 
2012 03 -26.32 -32.56 -29.44 
2012 04 -14.49 -22.34 -18.41 
2012 05  -3.59  -8.32  -5.95 
2012 06   3.06   -.34   1.36 
2012 07   9.56   2.71   6.13 
2012 08   8.89   3.89   6.39 
2012 09   5.26   1.76   3.51 
2012 10  -3.03  -6.21  -4.62 
2012 11 -15.32 -19.83 -17.57 
2012 12 -22.78 -27.60 -25.19 
2013 01 -29.86 -34.06 -31.96 
2013 02 -31.53 -36.39 -33.96 
2013 03 -23.00 -29.62 -26.31 
2013 04 -16.45 -23.62 -20.03 
2013 05  -6.31 -13.22  -9.76 
2013 06   7.19   0.69   3.94 
2013 07   7.21   1.46   4.33 
2013 09   1.09  -1.47   -.19 
2013 10  -3.34  -6.21  -4.77 
2013 11 -17.42 -21.91 -19.66 
2013 12 -25.72 -31.51 -28.61 
2014 01 -28.65 -34.43 -31.54 
2014 02 -27.55 -33.80 -30.67 
2014 03 -25.22 -31.50 -28.36 
2014 04 -17.09 -24.85 -20.97 
2014 05  -3.84 -10.38  -7.11 
