The following is a list of variables which may be requested using the
Only a fraction of these variables are observed or reported by any individual station. See variable notes at the bottom of this page for more information. Go back to Synoptic Docs
|Variable String||Name||Default Unit|
Visibility is always shown in statute miles regardless of API unit specification. A value of
-.25 for visibility means less than .25 miles. Some older visibility sensors have a range limited to 2000 m (1.24 miles).