condition mean min max 4 h after light 77.996204 76.159692 79.832716 8 h after light 110.935118 84.837201 137.033035 12 h after light 147.3474395 124.935699 169.75918 4 h after dark 179.59225149999997 135.875523 223.30898 8 h after dark 176.6704345 148.816015 204.524854 12 h after dark 138.368625 138.368625 138.368625