ADT   Date/Time     Fix   Lat    Lon  |  OBS   Date/Time     Fix   Lat    Lon  |  Diff
2017/08/17/1915Z   FCST  13.1   55.3  |  2017/08/17/1800Z   BEST  13.0   55.0  |  20.1 
2017/08/17/2345Z   FCST  13.0   56.6  |  2017/08/18/0000Z   BEST  13.0   56.6  |   3.1 
2017/08/18/1145Z   FCST  13.2   59.9  |  2017/08/18/1200Z   BEST  13.1   60.2  |  20.0 
2017/08/18/1745Z   FCST  13.2   62.1  |  2017/08/18/1800Z   BEST  13.4   62.0  |  15.7 
2017/08/19/1145Z   FCST  13.9   66.7  |  2017/08/19/1200Z   BEST  13.8   67.0  |  16.2 
2017/08/23/1315Z   FCST  21.5   92.6  |  2017/08/23/1200Z   BEST  21.4   92.4  |  14.1 
2017/08/23/2345Z   FCST  21.8   92.7  |  2017/08/24/0000Z   BEST  22.0   92.5  |  17.8 
2017/08/24/0545Z   FCST  22.1   92.8  |  2017/08/24/0600Z   BEST  22.6   92.6  |  29.4 
2017/08/24/1214Z   FCST  23.8   93.0  |  2017/08/24/1200Z   BEST  23.7   93.0  |   7.2 
2017/08/24/1745Z   FCST  24.4   93.6  |  2017/08/24/1800Z   BEST  24.4   93.6  |   2.5 
2017/08/24/2345Z   SPRL  25.1   94.3  |  2017/08/25/0000Z   BEST  25.1   94.5  |   9.2 
2017/08/25/0545Z   SPRL  25.6   95.1  |  2017/08/25/0600Z   BEST  25.6   95.1  |   2.6 
2017/08/25/1145Z   SPRL  26.2   95.8  |  2017/08/25/1200Z   BEST  26.4   95.9  |   9.9 
2017/08/25/1745Z   CMBO  27.1   96.3  |  2017/08/25/1800Z   BEST  27.1   96.3  |   3.4 
2017/08/25/2345Z   CMBO  27.8   96.7  |  2017/08/26/0000Z   BEST  27.8   96.8  |   4.9 
2017/08/26/0545Z   CMBO  28.2   97.1  |  2017/08/26/0600Z   BEST  28.2   97.1  |   3.7 
2017/08/29/1745Z   FCST  28.5   94.2  |  2017/08/29/1800Z   BEST  29.1   94.4  |  37.2