condition mean min max 0 h after light 0.02843945 0.0 0.0568789 4 h after light 0.0280397 0.0 0.0560794 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0