condition mean min max 4 h after light 49.773300000000006 48.2295 51.3171 8 h after light 45.43155 43.8364 47.0267 12 h after light 49.16885 48.9775 49.3602 4 h after dark 54.88225 51.2834 58.4811 8 h after dark 60.36425 56.8042 63.9243 12 h after dark 56.7278 55.2956 58.16