condition mean min max 3 h after light 73.13859166666667 47.6678 95.7758 7 h after light 73.299425 57.8583 92.6994 11 h after light 70.684 50.758 97.7474 2 h after dark 65.789825 41.549 90.6591 6 h after dark 71.055 53.9347 97.018 10 h after dark 77.50569166666666 52.4801 104.843