condition mean min max 4 h after light 0.131044 0.0 0.262088 8 h after light 0.64138 0.22138 1.06138 12 h after light 0.173914 0.0 0.347828 4 h after dark 0.0 0.0 0.0 8 h after dark 0.215719 0.0 0.647157 12 h after dark 0.02374163333333333 0.0 0.0712249