While summer does not officially begin until later this month, the summer real estate season is beginning to warm up with the weather. The Flathead Lake real estate market posted nine sales for the month of May, continuing positive trend for the start of the year. In fact, May’s sales launched the annual sales to date well beyond 2012 for the same period. Last year began with 19 sales through the month of May for a volume of $13M compared to 25 sales adding up to over $16M for this year. The adjusted average price per foot also continued its upward trend.