condition mean min max 4 h after light 152.32332200000002 136.147228 168.499416 8 h after light 150.292478 137.251569 163.333387 12 h after light 157.5071965 146.514977 168.499416 4 h after dark 198.00807700000001 163.148961 232.867193 8 h after dark 185.75643 156.693595 214.819265 12 h after dark 170.284874 170.284874 170.284874