condition mean min max 4 h after light 12.7281625 12.658243 12.798082 8 h after light 11.3700645 10.838562 11.901567 12 h after light 13.024518 12.658243 13.390793 4 h after dark 11.543290500000001 11.173175 11.913406 8 h after dark 12.844389 12.223892 13.464886 12 h after dark 15.580296 15.580296 15.580296