condition mean min max 4 h after light 38.53845 37.7286 39.3483 8 h after light 43.0059 40.3196 45.6922 12 h after light 41.86775 39.6645 44.071 4 h after dark 79.59635 77.4861 81.7066 8 h after dark 65.12219999999999 62.1542 68.0902 12 h after dark 57.5002 55.3804 59.62