1970 07 25.56   6.40  15.98 
1970 08 27.84   7.69  17.76 
1970 09 32.53  14.01  23.27 
1970 10 36.82 -99.99 -99.99 
1970 11 37.03 -99.99 -99.99 
1970 12 39.97 -99.99 -99.99 
1971 03 31.18  21.22  26.20 
1971 04 27.37 -99.99 -99.99 
1971 05 27.08   8.93  18.01 
1971 07 24.38   5.17  14.77 
1971 08 30.01  11.55  20.78 
1971 09 33.65  13.87  23.76 
1971 10 37.91  20.04  28.98 
1972 03 32.96  19.67  26.31 
1972 04 99.99  15.13 -99.99 
1972 06 27.48   9.85  18.66 
1972 07 26.03   6.02  16.02 
1972 10 36.88  13.17  25.02 
1972 11 38.34 -99.99 -99.99 
1973 04 32.87  19.94  26.40 
1973 06 27.78  13.76  20.77 
1973 07 27.69  12.10  19.89 
1973 09 30.62  14.66  22.64 
1973 10 36.34  20.43  28.39 
1974 02 33.30  22.84  28.07 
1974 03 32.46  21.38  26.91 
1974 04 31.75  16.87  24.31 
1974 06 24.88   6.80  15.84 
1974 07 27.27 -99.99 -99.99 
1974 09 31.25  14.25  22.75 
1974 10 35.00  18.12  26.56 
1974 11 37.40  20.46  28.93 
1974 12 38.73 -99.99 -99.99 
1975 04 32.46  15.86  24.16 
1975 05 29.87  11.44  20.65 
1975 08 29.03   9.91  19.47 
1975 10 33.72  18.36  26.04 
1975 11 37.29  20.65  28.97 
1976 05 28.88  10.78  19.83 
1976 06 26.50   7.10  16.79 
1976 07 26.67   8.72  17.70 
1976 10 34.46  17.67  26.06 
1977 04 31.32  17.06  24.18 
1977 05 28.52  11.40  19.95 
1977 07 24.38   5.86  15.12 
1977 09 30.80  12.82  21.81 
1977 10 37.39  17.60  27.49 
1977 11 38.06 -99.99 -99.99 
1978 04 33.86   9.72  21.79 
1978 06 26.43   6.25  16.34 
1978 07 24.57   3.39  13.98 
