Their terms of use state:
You are granted a limited, non-transferable, non-exclusive, revocable license to access and use the Services solely for your own personal or business purposes; provided, however, that, unless otherwise expressly permitted via the Services, you may not: (a) resell, lease, rent, or sublicense any Services or any access to the Services; (b) distribute, publicly perform or publicly display any Services; (c) modify or otherwise make any derivative uses of any Services; (d) download (other than page caching) any Services, except as expressly permitted on the Services;
Point (d) indicates that you are not allowed to extract the data, unless you get a permission (and then they will tell you how to do it).
J.Ty.