1972 07 27.64   7.07  17.35 
1972 08 29.98   9.33  19.65 
1972 09 19.67    .97  10.32 
1972 10 14.86  -2.80   6.03 
1973 03 10.95 -99.99 -99.99 
1973 05 21.70   2.63  12.16 
1973 06 25.08   6.55  15.81 
1973 07 31.05   9.47  20.26 
1973 08 30.08   8.03  19.05 
1973 09 24.06   6.18  15.12 
1973 10 12.09 -99.99 -99.99 
1974 02  6.64 -99.99 -99.99 
1974 05 17.67 -99.99 -99.99 
1974 06 28.42   6.29  17.35 
1974 07 28.05   9.18  18.61 
1974 08 29.70   8.47  19.09 
1974 09 26.59   3.21  14.90 
1974 10 16.59 -99.99 -99.99 
1975 02  -.16 -99.99 -99.99 
1975 04 14.22 -99.99 -99.99 
1975 05 21.13 -99.99 -99.99 
1975 06 23.42   6.71  15.06 
1975 07 31.20  11.02  21.11 
1975 08 25.98   8.01  16.99 
1975 09 25.80 -99.99 -99.99 
1975 10 13.12 -99.99 -99.99 
1976 02  2.75 -99.99 -99.99 
1976 03  5.00 -99.99 -99.99 
1976 06 22.10 -99.99 -99.99 
1976 07 27.97 -99.99 -99.99 
1976 08 24.01   9.72  16.86 
1976 09 24.60 -99.99 -99.99 
1977 02  3.98 -99.99 -99.99 
1977 05 17.96 -99.99 -99.99 
1977 06 27.27 -99.99 -99.99 
1977 08 31.16 -99.99 -99.99 
1977 09 20.57   4.65  12.61 
1977 10 15.13 -99.99 -99.99 
1978 05 18.84   3.65  11.24 
1978 06 26.47   6.75  16.61 
1978 07 30.16   9.68  19.92 
1978 08 26.23   9.92  18.07 
1978 09 19.33   6.86  13.09 
1979 05 22.03   3.88  12.95 
1979 06 27.48   6.43  16.95 
1979 07 31.42  10.60  21.01 
1979 08 30.06  10.52  20.29 
1979 09 26.03   5.84  15.93 
1979 10 18.17    .74   9.45 
1980 02  2.65 -99.99 -99.99 
1980 05 20.48   6.66  13.57 
1980 06 21.82   7.58  14.70 
1980 07 28.11   8.62  18.36 
1980 08 25.81   6.92  16.36 
1980 09 22.55   3.58  13.06 
