1972 02 27.86 -99.99 -99.99 
1972 03 27.50  13.82  20.66 
1972 04 24.18   8.35  16.26 
1972 05 20.40   7.76  14.08 
1972 06 18.12   3.03  10.58 
1972 07 17.64    .35   8.99 
1972 08 19.96   3.72  11.84 
1972 09 25.75   6.68  16.21 
1972 10 25.13  11.25  18.18 
1972 11 26.24  12.31  19.27 
1972 12 32.53  15.81  24.17 
1973 01 33.05  17.98  25.51 
1973 02 99.99  17.85 -99.99 
1973 03 29.72  14.33  22.02 
1973 04 26.29   9.21  17.75 
1973 05 23.35 -99.99 -99.99 
1973 06 17.29   5.68  11.49 
1973 07 18.07   7.98  13.02 
1973 09 23.35   9.39  16.37 
1973 10 25.03  11.71  18.37 
1973 11 27.26  13.34  20.29 
1973 12 30.60  16.37  23.49 
1974 01 27.89  17.52  22.70 
1974 04 25.22  12.98  19.09 
1974 05 21.47   7.60  14.53 
1974 06 18.17   4.33  11.25 
1974 07 17.53   3.50  10.51 
1974 08 18.17   3.44  10.80 
1975 01 99.99  15.87 -99.99 
1975 02 99.99  15.88 -99.99 
1975 04 99.99   8.47 -99.99 
1975 05 99.99   4.69 -99.99 
1975 06 99.99   4.27 -99.99 
1975 07 99.99   2.32 -99.99 
1975 08 99.99   3.63 -99.99 
