high as 21 (Bahrain) and as low as 13 (Japan) high as 21 (Bahrain) and as low as 13 (Japan) high as 21 (Bahrain) and as low as 13 (Japan) high as 21 (Bahrain) and as low as 13 (Japan) high as 21 (Bahrain) and as low as 13 (Japan)