condition mean min max 4 h after light 4196.4 4196.4 4196.4 8 h after light 3739.3 3393.2 4085.4 12 h after light 3730.8 3465.8 3995.8 4 h after dark 3690.5 3568.2 3812.8 8 h after dark 3245.85 3052.2 3439.5 12 h after dark 3280.1499999999996 3019.1 3541.2