1975 01 34.97 -99.99 -99.99 
1975 11 35.50  22.23  28.87 
1975 12 34.06  22.65  28.35 
1976 02 32.06 -99.99 -99.99 
1976 03 31.58  22.13  26.85 
1976 04 31.41 -99.99 -99.99 
1976 05 32.96 -99.99 -99.99 
1976 06 32.18 -99.99 -99.99 
1976 07 32.08 -99.99 -99.99 
1976 08 33.16 -99.99 -99.99 
1976 09 33.91  21.54  27.73 
1976 10 33.45  22.80  28.12 
1976 11 34.41 -99.99 -99.99 
1976 12 34.99  22.51  28.75 
1977 01 32.32  22.60  27.46 
1977 02 32.90 -99.99 -99.99 
1977 03 32.73 -99.99 -99.99 
1977 04 30.62 -99.99 -99.99 
1977 05 30.50 -99.99 -99.99 
1977 06 30.26 -99.99 -99.99 
1977 07 29.90 -99.99 -99.99 
1977 08 32.22  20.41  26.31 
1977 09 33.38  21.38  27.38 
1977 10 35.03 -99.99 -99.99 
1977 11 35.83 -99.99 -99.99 
1977 12 34.43  23.31  28.87 
1978 01 35.63  23.43  29.53 
1978 02 32.73  22.90  27.81 
1978 03 30.86  21.95  26.40 
1978 04 31.51  22.28  26.89 
1978 05 30.55  21.57  26.06 
1978 06 30.39  20.41  25.40 
1978 07 31.28  21.04  26.16 
1978 08 32.12 -99.99 -99.99 
1978 09 33.29 -99.99 -99.99 
1978 10 34.81 -99.99 -99.99 
1978 11 35.16 -99.99 -99.99 
1978 12 34.93 -99.99 -99.99 
1979 01 35.00 -99.99 -99.99 
1979 02 33.79  22.92  28.35 
1979 03 32.96  22.83  27.89 
1979 04 32.32  22.15  27.23 
1979 05 31.30  21.84  26.57 
1979 06 31.71  20.29  26.00 
1979 07 31.95  20.48  26.21 
1979 09 33.93  22.55  28.24 
1980 02 32.23  22.65  27.43 
1980 03 31.72  22.06  26.89 
1980 04 34.03  22.60  28.31 
1980 05 33.75  22.28  28.02 
1980 06 32.27  22.00  27.13 
1980 07 32.27  20.88  26.57 
1980 12 35.23  22.55  28.89 
1981 06 31.94  21.27  26.60 
1981 07 31.67  20.83  26.25 
1982 07 31.71  20.89  26.30 
1982 08 32.34  20.80  26.57 
1982 09 34.18  21.82  28.00 
1983 02 32.84  22.96  27.90 
1983 03 33.45  23.17  28.31 
1983 04 33.46  22.79  28.12 
1983 05 34.34  22.95  28.64 
1983 06 33.27  21.64  27.45 
1983 07 33.18  21.54  27.36 
1983 08 33.16  21.36  27.26 
1983 09 34.97  22.11  28.54 
1983 10 34.96  22.45  28.70 
1983 11 35.80  22.65  29.22 
1983 12 35.88  23.54  29.71 
1984 01 35.70  23.39  29.54 
1984 02 36.29  23.92  30.10 
1984 03 33.32  22.87  28.09 
1984 04 30.83  22.63  26.73 
1984 05 30.32  21.56  25.93 
1984 06 31.53  20.63  26.08 
1984 07 31.35  20.39  25.87 
1984 08 32.38  21.14  26.76 
1984 09 33.89  21.69  27.79 
1984 10 35.18  22.48  28.83 
1984 11 35.88  23.00  29.44 
1984 12 36.54  23.51  30.02 
1993 11 35.66  23.72  29.69 
1993 12 36.16  23.62  29.89 
1994 01 34.11  23.78  28.94 
1994 02 32.84  22.73  27.79 
1994 03 31.12  22.54  26.83 
1994 04 31.56  21.92  26.74 
1994 05 31.26  21.64  26.45 
1994 06 31.15  21.37  26.26 
1994 07 31.78  20.58  26.18 
1994 08 33.36  20.62  26.99 
1994 09 34.22  21.27  27.74 
1994 10 35.41  22.27  28.84 
1994 11 36.00  22.22  29.11 
1994 12 35.37  22.69  29.03 
1995 01 34.91  22.87  28.89 
1995 02 33.41  22.41  27.91 
1995 03 33.83  22.61  28.22 
1995 04 31.92  22.66  27.29 
1995 05 32.07  22.00  27.03 
1995 06 30.63  20.48  25.55 
1995 07 31.14  20.23  25.68 
1995 08 33.09  20.10  26.59 
1995 09 34.33  20.61  27.47 
1995 10 35.95 -99.99 -99.99 
1995 11 34.59 -99.99 -99.99 
1995 12 36.22 -99.99 -99.99 
1996 01 35.33  23.62  29.47 
1996 02 34.70  23.29  28.99 
1996 03 32.15  23.00  27.57 
1996 04 31.90  22.61  27.25 
1996 05 31.77  22.05  26.91 
1996 06 31.94  21.26  26.60 
1996 07 31.76  19.43  25.59 
1996 08 33.16  21.26  27.21 
1996 09 34.52  22.01  28.26 
1996 10 35.93  22.86  29.39 
1996 11 35.32  22.97  29.14 
1996 12 36.34  23.39  29.87 
1997 01 34.36  23.15  28.75 
1997 02 33.98  23.38  28.68 
1997 03 33.56  22.90  28.23 
1997 04 31.85  22.20  27.02 
1997 05 31.17  21.51  26.34 
1997 06 32.21  20.44  26.32 
1997 07 32.06  19.52  25.79 
1997 08 33.25  20.16  26.71 
1997 09 35.62  20.74  28.18 
1997 10 36.46  22.49  29.47 
1997 11 36.61  23.53  30.07 
1997 12 36.97  24.24  30.60 
1998 01 35.20  24.58  29.89 
1998 02 36.95  24.70  30.82 
1998 03 37.04  24.99  31.01 
1998 04 36.58  25.16  30.87 
1998 05 34.79  24.27  29.53 
1998 06 33.75  23.17  28.46 
1998 07 32.91  22.69  27.80 
1998 08 33.08  22.25  27.66 
1998 09 34.93  22.41  28.67 
1998 10 35.82  23.01  29.41 
1998 11 35.99  24.00  29.99 
1998 12 36.52  24.12  30.32 
1999 01 35.79  23.86  29.82 
1999 02 35.75  23.49  29.62 
1999 03 34.61  23.14  28.87 
1999 04 35.23  23.86  29.54 
1999 05 33.15  22.75  27.95 
1999 06 32.93  21.46  27.20 
1999 07 32.04  20.85  26.44 
1999 08 33.30  20.72  27.00 
1999 09 35.25  21.69  28.47 
1999 10 35.00  22.56  28.78 
1999 11 35.56  23.55  29.55 
1999 12 34.68  23.64  29.16 
2000 01 33.22  22.82  28.02 
2000 02 33.40  22.59  27.99 
2000 03 33.15  22.36  27.75 
2000 04 32.64  22.36  27.50 
2000 05 33.62  21.85  27.73 
2000 06 32.79  21.41  27.10 
2000 07 32.54  21.09  26.81 
2000 08 32.65  21.86  27.25 
2000 09 34.14  22.89  28.51 
2001 10 35.61  23.33  29.47 
2001 11 36.56  23.93  30.24 
2001 12 36.04  24.22  30.13 
2002 01 32.36  22.75  27.55 
2002 02 33.30  22.35  27.82 
2002 03 33.00  22.54  27.77 
2002 04 32.59  22.60  27.59 
2002 05 31.97  21.91  26.93 
2002 06 31.10  20.45  25.77 
2002 07 33.38  20.89  27.13 
2002 08 33.68  21.45  27.57 
2002 09 35.24  22.05  28.64 
2002 10 36.05  22.78  29.41 
2002 11 36.46  23.42  29.93 
2002 12 36.11  23.84  29.97 
2003 01 35.48  23.28  29.38 
2003 02 33.97  23.19  28.58 
2003 03 33.45  22.65  28.05 
2003 04 34.15  21.44  27.79 
2003 05 33.93  21.56  27.75 
2003 06 33.49  20.70  27.09 
2003 07 33.13  19.71  26.42 
2003 08 34.41  19.95  27.18 
2003 09 34.93  20.32  27.62 
2003 10 36.12  21.05  28.58 
2003 11 36.70  21.92  29.31 
2003 12 36.80  22.35  29.57 
2004 01 32.77  20.95  26.86 
2004 02 31.96  20.85  26.40 
2004 03 33.48  21.02  27.25 
2004 04 34.64  23.37  29.00 
2004 05 33.25  23.10  28.17 
2004 06 31.18  22.11  26.64 
2004 07 31.75  21.30  26.52 
2004 08 33.58  21.66  27.62 
2004 09 34.62  22.63  28.62 
2004 10 36.11  22.81  29.46 
2004 11 36.29  23.49  29.89 
2004 12 36.84  23.83  30.34 
2005 01 36.00  24.50  30.25 
2005 02 35.09  23.73  29.41 
2005 03 35.09 -99.99 -99.99 
2005 04 33.57  23.55  28.56 
2005 05 32.57  22.96  27.76 
2005 06 31.23  22.06  26.64 
2005 07 32.68  20.95  26.82 
2005 09 34.91  21.43  28.17 
2005 11 36.55  22.77  29.66 
2005 12 34.34  22.61  28.48 
2006 01 36.55  23.35  29.95 
2006 02 35.59  23.72  29.66 
2006 03 32.18  22.72  27.45 
2006 04 31.87  22.62  27.24 
2006 05 31.41  21.94  26.67 
2006 06 30.84  20.76  25.80 
2006 08 33.37  20.42  26.89 
2006 09 35.74  21.25  28.49 
2006 10 36.38  22.28  29.33 
2006 11 36.58  22.45  29.51 
2006 12 36.84  23.00  29.92 
2007 01 36.49  23.04  29.76 
2007 02 34.14  22.29  28.21 
2007 03 33.22  21.75  27.48 
2007 04 34.39  22.27  28.33 
2007 05 33.53  21.35  27.43 
2007 07 33.18  20.24  26.71 
2007 08 33.04  19.81  26.42 
2007 09 34.13  20.14  27.13 
2007 10 35.84  21.15  28.50 
2007 11 36.66  21.53  29.09 
2007 12 36.00  22.02  29.01 
2008 01 36.20  22.40  29.30 
2008 02 34.72  21.50  28.11 
2008 03 32.34  20.82  26.58 
2008 04 31.53  20.81  26.17 
2008 05 31.42  20.36  25.89 
2008 07 31.13  19.06  25.09 
2008 08 32.80  19.32  26.06 
2008 09 34.62  19.70  27.16 
2008 10 36.06  20.69  28.37 
2008 11 36.81  21.00  28.90 
2008 12 36.15  21.18  28.66 
2009 01 35.55  21.09  28.32 
2009 02 32.98  20.77  26.87 
2009 03 33.20  20.70  26.95 
2009 04 32.18  20.46  26.32 
2009 08 32.50  17.86  25.18 
2009 09 35.29  18.89  27.09 
2009 10 36.52  19.53  28.02 
2009 11 36.66  20.03  28.34 
2009 12 36.09  20.66  28.37 
2010 01 33.88  20.02  26.95 
2010 02 35.29  20.68  27.98 
2010 03 36.59  20.77  28.68 
2010 04 34.90  20.49  27.69 
2010 05 36.16  20.29  28.22 
2010 06 32.99  21.31  27.15 
2010 07 33.18  20.63  26.91 
2010 08 33.99  20.19  27.09 
2010 09 34.84  20.68  27.76 
2010 10 36.03  21.00  28.51 
2010 11 36.70  21.29  28.99 
2010 12 34.62  20.75  27.68 
2011 01 33.93  20.84  27.39 
2011 02 32.98  21.21  27.09 
2011 03 32.88  20.48  26.68 
2011 04 33.59  21.03  27.31 
2011 05 31.59  18.87  25.23 
2011 06 32.48  18.93  25.70 
2011 07 31.38  20.17  25.77 
2011 08 33.23  20.34  26.78 
2011 09 34.59  21.25  27.92 
2011 10 35.68  19.77  27.72 
2011 11 36.16 -99.99 -99.99 
2011 12 36.68 -99.99 -99.99 
2012 01 35.58  24.79  30.18 
2012 02 34.79  24.31  29.55 
2012 03 36.11  23.12  29.61 
