condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.012743015 0.00581623 0.0196698 12 h after light 0.00751405 0.0 0.0150281 4 h after dark 0.0 0.0 0.0 8 h after dark 0.015690786666666668 0.0 0.040896 12 h after dark 0.0 0.0 0.0