condition mean min max 4 h after light 117.136829 61.331136 172.942522 8 h after light 170.9701795 140.30898 201.631379 12 h after light 87.3001495 46.289926 128.310373 4 h after dark 52.096831 46.487966 57.705696 8 h after dark 41.9397935 33.063443 50.816144 12 h after dark 40.771666 40.771666 40.771666