The standard deviation of ALL Q drops related to D5 = 19
The standard deviation of all minute markers from drops that contain a reference to D5 is 19.3, which rounds to 19.
Marker :19 lines up with 1-20-19 on the qclock.
Also, marker :18 lines up with Washington crossing the Delaware.
Note that POTUS visited Delaware on 1-19-19 and most likely even flew across it when he landed and depart From Dover.