condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0180784 0.0 0.0361568 4 h after light 0.0 0.0 0.0 8 h after light 0.0166296 0.0 0.0332592 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0154766 0.0 0.0309532 8 h after dark 0.01746605 0.0 0.0349321 12 h after dark 0.0 0.0 0.0