condition mean min max 0 h after light 53.6916 51.6329 55.7503 4 h after light 34.775549999999996 32.0894 37.4617 8 h after light 29.84245 29.4174 30.2675 4 h after dark 31.4422 27.8215 35.0629 8 h after dark 33.7926 30.4716 37.1136 12 h after dark 47.2926 41.2159 53.3693