condition mean min max 4 h after light 8.635064999999999 7.09753 10.1726 8 h after light 21.988599999999998 20.7984 23.1788 12 h after light 75.74025 74.409 77.0715 4 h after dark 55.2391 54.8805 55.6358 8 h after dark 33.3134 31.7646 34.6039 12 h after dark 18.3239 17.549 19.3132