condition mean min max 0 h after light 36.17105 35.5099 36.8322 2 h after light 28.8111 26.485 31.1372 4 h after light 23.7881 23.4393 24.1369 8 h after light 26.43695 19.5407 33.3332 12 h after light 54.0988 50.5031 57.6945 2 h after dark 65.33785 52.2227 78.453 4 h after dark 53.319 51.5681 55.0699 8 h after dark 56.6955 55.6668 57.7242 12 h after dark 45.65675 42.8852 48.4283