condition mean min max 4 h after light 10.5223595 10.300467 10.744252 8 h after light 12.065287999999999 10.514933 13.615643 12 h after light 10.604917 10.256244 10.95359 4 h after dark 10.9610065 10.829067 11.092946 8 h after dark 11.0242385 10.610807 11.43767 12 h after dark 10.829067 10.829067 10.829067