Am I reading this correctly? Going to an uncontrolled airport the automated weather that is broadcast is "long line disseminated weather" and is only for trend and planning information. If the Pilot/Aircraft operator is responsible for determining if the weather/visibility is adequate for the approach/landing, can we legally shoot an approach if the broadcast weather is reporting the visibility less than that required for the approach (FAR 121 operations)? I'm all about loopholes and we know how inaccurate automated weather can be without a human observer. The way I read it, we can at least go take a look and then decide at DA or MAP if we are legal to land. At Great Lakes, we flew into Iron Mountain (IMT). There is a river right next to the airport and the fog would roll in many nights right around arrival time. We were sure to get the automated weather before if dropped down to less than a 1/2 mile. That way we were "technically" legal to shoot the approach. Were we skirting a grey area for no reason?