condition mean min max 0 h after light 44.5597 43.6507 45.4687 4 h after light 52.2852 51.3194 53.251 8 h after light 61.39635 58.0875 64.7052 4 h after dark 74.10820000000001 73.5737 74.6427 8 h after dark 56.592 55.1177 58.0663 12 h after dark 47.12475 43.9764 50.2731