1972 07  25.68   7.00  16.34 
1972 08  28.62   8.22  18.42 
1972 09  17.62   2.41  10.01 
1972 10  12.78   -.50   6.14 
1972 11   3.35  -1.45   0.94 
1973 01  -1.63 -99.99 -99.99 
1973 02   4.19 -99.99 -99.99 
1973 03   9.07 -99.99 -99.99 
1973 04  14.67  -1.38   6.64 
1973 05  20.57   1.72  11.14 
1973 06  22.35   5.76  14.05 
1973 07  29.11   7.09  18.10 
1973 08  28.34   6.42  17.38 
1973 09  22.65   4.54  13.59 
1973 10  11.38   2.22   6.80 
1973 11   1.25  -3.99  -1.37 
1974 02   2.76  -4.27   -.75 
1974 03   5.86  -2.99   1.43 
1974 04  12.97   0.89   6.93 
1974 05  15.66   1.31   8.48 
1974 06  26.05   6.68  16.36 
1974 07  26.09   9.12  17.60 
1974 08  27.31   9.83  18.57 
1974 09  23.67   2.67  13.17 
1974 10  16.66  -2.74   6.96 
1974 12   0.20 -99.99 -99.99 
1975 01  -2.30 -99.99 -99.99 
1975 02   1.65 -99.99 -99.99 
1975 04  11.83 -99.99 -99.99 
1975 05  18.79   1.83  10.31 
1975 06  21.34   5.99  13.66 
1975 07  28.84  11.22  20.03 
1975 08  23.28   7.87  15.57 
1975 09  23.15 -99.99 -99.99 
1975 10   9.63 -99.99 -99.99 
1976 02   2.45 -99.99 -99.99 
1976 03   4.59 -99.99 -99.99 
1976 05  18.29   2.91  10.60 
1976 06  20.56   5.44  13.00 
1976 07  24.93   9.22  17.08 
1976 08  22.65   9.79  16.21 
1976 09  23.52   5.33  14.42 
1977 02   4.19 -99.99 -99.99 
1977 05  15.19   4.02   9.60 
1977 06  25.72   7.83  16.77 
1977 07  26.73   8.32  17.52 
1977 08  29.80   8.17  18.98 
1977 09  16.96   4.14  10.55 
1978 02   2.39 -99.99 -99.99 
1978 05  16.41   2.71   9.55 
1978 06  23.98   5.75  14.86 
1978 07  27.23   9.64  18.43 
1978 08  24.60   9.00  16.79 
1978 10  13.65 -99.99 -99.99 
1979 06  24.58 -99.99 -99.99 
1979 07  28.69   8.85  18.77 
1979 08  28.73   9.10  18.91 
1980 07  27.03   8.89  17.96 
