condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.2352645 0.0 0.470529 12 h after light 0.1524605 0.0 0.304921 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.066856 0.0 0.200568