condition mean min max 2 h after light 0.0295886 0.0 0.0644073 6 h after light 0.0 0.0 0.0 10 h after light 0.022285866666666668 0.0 0.0845735 14 h after light 0.01038945 0.0 0.0623367 18 h after light 0.014429983333333334 0.0 0.0865799 2 h after dark 0.011783366666666668 0.0 0.0707002