condition mean min max 0 h after light 0.07642 0.0 0.15284 4 h after light 0.0 0.0 0.0 8 h after light 0.4644755 0.152427 0.776524 4 h after dark 0.2998303 0.0752166 0.524444 8 h after dark 0.2257072 0.0757634 0.375651 12 h after dark 0.0753518 0.0745221 0.0761815