condition mean min max 4 h after light 2.37996 2.25001 2.50991 8 h after light 2.8110150000000003 2.76106 2.86097 12 h after light 2.474775 2.29469 2.65486 4 h after dark 3.23918 2.87039 3.60797 8 h after dark 2.766655 2.6183 2.91501 12 h after dark 2.66026 2.65896 2.66156