After a whirlwind four days of activity, the 36th-annual Castor Fair is in the books. Festivities began on Aug. 13 with a farmers’ market in the community hall from noon to 4 p.m. Beginning at 5 p.m., the rodeo committee hosted a hot dog barbecue and beer fundraiser. At the same time, the fair committee began accepting entries for the bench show. At 6:30 p.m., a sponsored aquafit class was held at the Castor Centennial Pool. At 7 p.m., it was th…