condition mean min max 4 h after light 3.0369639999999998 2.9874549999999997 3.0951169999999997 8 h after light 2.3051126666666666 1.5575649999999999 2.6926240000000004 12 h after light 1.5192083333333333 1.417432 1.6493 16 h after light 2.9854073333333333 2.460322 3.552539 4 h after dark 2.4846326666666667 2.282842 2.8791 8 h after dark 1.8160086666666668 1.557234 2.3304150000000003