condition mean min max 2 h after light 0.5051193333333334 0.172743 0.774694 6 h after light 0.1229465 0.0 0.479485 10 h after light 0.049757 0.0 0.150613 14 h after light 0.263039 0.0 0.466678 18 h after light 0.22851183333333333 0.0 0.536256 2 h after dark 0.3944451666666666 0.132374 0.739987