condition mean min max 4 h after light 3.595187666666667 3.2549080000000004 4.187568 8 h after light 4.925881333333333 2.827283 9.095844999999999 12 h after light 1.9275013333333333 1.448775 2.744561 16 h after light 3.629195 2.579889 4.574249 4 h after dark 6.149278 3.094232 11.214839999999999 8 h after dark 1.8167769999999999 1.591367 2.117254