condition mean min max 4 h after light 218.0 218.0 218.0 8 h after light 137.55 127.0 148.1 12 h after light 110.35000000000001 29.4 191.3 4 h after dark 148.25 136.5 160.0 8 h after dark 186.3 101.3 271.3 12 h after dark 233.8 210.3 257.3