The phrase "a fair indication" is correct and usable in written English.
It can be used when you want to suggest that something provides a reasonable or adequate sign of a situation or condition.
Example: "The survey results provide a fair indication of customer satisfaction with our services."
Alternatives: "a reasonable sign" or "a good measure".
Big White's name (and slogan - "it's the snow") is a fair indication of its reputation.
This gives a fair indication of what the bottom-end joints are going to be like.
The titles of the four tracks — "Imp," "Bloody Eye," "Hex," and "Straps" — are a fair indication of the prevailing mood.
A fair indication of where things stand may be the New York television show of the moment, HBO's "Girls".
Mendelsohn's casual mention of Malick gives a fair indication of how his fortunes have improved in recent years.
Saying he felt "great," "awesome" and "stronger physically," Chamberlain suggested his weight was not a fair indication of his physical condition.
When none of Danny Cipriani, Tom Wood, Kieran Brookes, Dave Attwood, Tom Youngs, Joe Simpson and Luther Burrell can break into the latest EPS squad, comprising the best 45 players in the country, it is a pretty fair indication of increasing depth.
Because that's just not how nature works: A vineyard devoid of perceptible life between the rows no cover crops, not a single weed, just bars of bare soil stretching off into the distance like so many pinstripes is a reasonably fair indication that something relatively unnatural is going on.
There have been several drafts of the report leaked already, giving fair indication of the warnings to come from the IPCC.
The majority of the referrals for paediatric CT scans appeared to be related to medical problems or diagnostic questions where CT examination are justified [ 21], but there also seemed to be a fair number of indications where other imaging approaches might be used.
Windows Phone could be a welcome outlet for Asus, and if their oddball device ideas are any indication, there's a fair bit of creativity coursing through their halls.
