There was an early sense that the opening IAAF Diamond League meeting of the season was going to produce some rich performances when Sandra Perkovic sent the Discus out to a world-leading 67.37m, and later improved to 68.23M; that set the tone for the evening in Doha despite the temperature gradually falling and a warm and gusting wind making life unpredictable for the long jumpers, triple jumpers and javelin throwers.