condition mean min max 0 h after light 0.1178861 0.0784972 0.157275 4 h after light 0.079983 0.0 0.159966 8 h after light 0.0399527 0.0 0.0799054 4 h after dark 0.0 0.0 0.0 8 h after dark 0.03898075 0.0 0.0779615 12 h after dark 0.0 0.0 0.0