condition mean min max 4 h after light 0.463888 0.243869 0.865963 8 h after light 0.4971211 0.0503993 0.974902 12 h after light 0.6477046666666667 0.498919 0.919763 4 h after dark 0.5142450000000001 0.156098 1.1366 8 h after dark 0.24067066666666667 0.0 0.393957 12 h after dark 0.41710966666666666 0.229249 0.518224