condition mean min max 4 h after light 159.5117775 141.100026 177.923529 8 h after light 169.260961 163.334043 175.187879 12 h after light 207.99994249999997 147.943793 268.056092 4 h after dark 224.2233915 164.603691 283.843092 8 h after dark 199.845511 175.155134 224.535888 12 h after dark 119.5842 119.5842 119.5842