condition mean min max 0 h after light 40.1282 39.1852 41.0712 4 h after light 42.0548 36.8666 47.243 8 h after light 46.997699999999995 39.8172 54.1782 4 h after dark 76.47015 59.7806 93.1597 8 h after dark 49.830749999999995 44.3024 55.3591 12 h after dark 48.222350000000006 41.9926 54.4521