condition mean min max 4 h after light 238.7 238.7 238.7 8 h after light 271.4 257.2 285.6 12 h after light 247.8 232.1 263.5 4 h after dark 295.7 208.7 382.7 8 h after dark 260.4 178.7 342.1 12 h after dark 187.55 179.5 195.6