condition mean min max 4 h after light 28.8855835 27.393085 30.378082 8 h after light 31.806536 31.686186 31.926886 12 h after light 28.4241045 27.338242 29.509967 4 h after dark 39.6492445 34.865991 44.432498 8 h after dark 29.6211165 24.717909 34.524324 12 h after dark 31.926886 31.926886 31.926886