1975 08 32.13  19.82  25.97 
1975 09 28.36  13.87  21.11 
1975 12 14.35   1.08   7.71 
1976 01 14.73   -.27   7.22 
1976 07 32.37  20.33  26.34 
1976 08 33.08  19.35  26.21 
1976 09 29.32  16.06  22.68 
1976 10 22.13   5.80  13.96 
1976 11 15.52   2.24   8.88 
1977 01  7.30 -99.99 -99.99 
1977 02 16.98   1.16   9.07 
1977 03 21.64   4.64  13.14 
1977 05 29.90  15.79  22.84 
1977 06 33.87  18.85  26.36 
1977 09 31.74  18.34  25.04 
1977 11 19.39   5.00  12.19 
1977 12 14.53   -.36   7.08 
1978 01  7.96 -99.99 -99.99 
1978 03 18.28   3.27  10.77 
1978 04 25.98   9.09  17.53 
1978 05 99.99  15.57 -99.99 
1978 06 33.41  19.19  26.30 
1978 07 35.65  21.24  28.44 
1978 09 30.54  18.94  24.74 
1978 10 26.39 -99.99 -99.99 
1978 11 21.85   7.08  14.46 
1978 12 15.62 -99.99 -99.99 
1979 01  7.95  -4.02   1.96 
1979 02 12.36   -.70   5.83 
1980 08 37.41  20.17  28.79 
1980 09 35.20  19.29  27.25 
