condition mean min max 2 h after light 50.60373333333333 39.0625 63.6882 6 h after light 42.6856 30.2897 53.3256 10 h after light 45.2049 29.839 58.2311 14 h after light 51.31645 31.4629 67.1771 18 h after light 47.52068333333334 38.363 56.2672 2 h after dark 59.599333333333334 43.7384 75.0297