condition mean min max 4 h after light 203.5180515 170.342508 236.693595 8 h after light 192.820166 119.35984 266.280492 12 h after light 230.8474415 204.232057 257.462826 4 h after dark 230.89862899999997 192.769915 269.027343 8 h after dark 374.4394625 280.411369 468.467556 12 h after dark 486.051385 486.051385 486.051385