condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.01910996666666667 0.0 0.0573299 9 h after light 0.0 0.0 0.0 12 h after light 0.041867425 0.0 0.0607549 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0512756 0.0 0.095916 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0331918 0.0 0.0663836