Seems like the bands have a very short dx window and once it is gone, that is it for the day. On the date listed the bands were dead until the afternoon, suddenly they came alive with signals for a short time.
4X70I 14.0009 2050Z
FR4NT 14.210 looking for North America, 2025Z
9H3JI 14.032 2153Z
After those three, nothing, dead band for the rest of the day.