condition mean min max 0 h after light 0.4609155 0.23015 0.691681 4 h after light 3.0598199999999998 1.66404 4.4556 8 h after light 1.850095 1.66978 2.03041 4 h after dark 0.6797465 0.527418 0.832075 8 h after dark 0.759702 0.528894 0.99051 12 h after dark 0.26481 0.229841 0.299779