condition mean min max 3 h after light 46.20493333333334 40.1367 55.5553 6 h after light 51.2612 49.0279 54.4034 9 h after light 62.04626666666667 58.3746 65.7872 12 h after light 71.69255 64.0248 78.4239 3 h after dark 65.46916666666667 60.5048 71.4395 6 h after dark 79.10210000000001 76.4256 81.2639 9 h after dark 69.81099999999999 67.8826 72.3438 12 h after dark 60.18415 56.9507 63.4176