How is Fiji Institute of Surveyors abbreviated? FIS stands for Fiji Institute of Surveyors. FIS is defined as Fiji Institute of Surveyors rarely.
PGA Golf has the longest season. It is active 93% of the year. ATP World Tour (tennis) 86% of the year. NASCAR 75% of the year. NHL 68% of the year. NBA 63% of the year. MLB 58% of the year. NFL 41% of the year.
Was going to work out how long each one was to give you a rough estimate, but stumbled across this which has how many weeks each season lasted: http://www.wowpedia.org/Season_1_Arena_rewards The longest seasons were the pre-Cata season and pre-MoP seasons (37 and 38 weeks respectively).