ADT Date/Time Fix Lat Lon | OBS Date/Time Fix Lat Lon | Diff 2017/06/11/0109Z FCST 16.3 -116.9 | 2017/06/11/0000Z BEST 16.1 -116.9 | 12.6 2017/06/11/0609Z FCST 17.1 -116.6 | 2017/06/11/0600Z BEST 17.2 -116.6 | 5.8 2017/06/11/1209Z FCST 18.3 -116.3 | 2017/06/11/1200Z BEST 18.2 -116.3 | 4.8 2017/06/11/1809Z FCST 19.2 -115.9 | 2017/06/11/1800Z BEST 19.5 -115.9 | 16.9 2017/06/12/0009Z FCST 20.4 -115.5 | 2017/06/12/0000Z BEST 20.4 -115.0 | 28.8 2017/06/12/0609Z FCST 21.4 -114.8 | 2017/06/12/0600Z BEST 21.2 -114.7 | 11.1 2017/06/12/1209Z FCST 22.2 -114.6 | 2017/06/12/1200Z BEST 22.1 -114.5 | 9.5 2017/06/12/1809Z FCST 23.1 -114.7 | 2017/06/12/1800Z BEST 23.0 -114.6 | 7.7 2017/06/13/0009Z FCST 24.0 -115.1 | 2017/06/13/0000Z BEST 23.8 -114.9 | 19.2