condition mean min max 4 h after light 190.1166195 175.18788 205.045359 8 h after light 198.0008695 195.892721 200.109018 12 h after light 176.739128 165.861584 187.616672 4 h after dark 176.32244300000002 146.456463 206.188423 8 h after dark 121.4019365 116.210919 126.592954 12 h after dark 154.731162 154.731162 154.731162