The following is a list of variables which may be requested using the &vars= argument.
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 |
|---|---|---|
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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).