condition mean min max 4 h after light 0.00613605 0.0 0.0122721 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.03804526666666667 0.0 0.069865 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0