condition mean min max 0 h after light 20.93425 18.3937 23.4748 2 h after light 17.950319999999998 8.18114 27.7195 4 h after light 17.89215 8.8048 26.9795 8 h after light 17.226020000000002 8.15394 26.2981 12 h after light 20.17235 15.355 24.9897 2 h after dark 19.87155 16.5727 23.1704 4 h after dark 27.0261 23.711 30.3412 8 h after dark 15.985199999999999 14.0937 17.8767 12 h after dark 25.3723 20.1281 30.6165