condition mean min max 3 h after light 45.8744 43.277 49.4156 6 h after light 41.1661 33.2641 46.2408 9 h after light 33.10603333333333 29.3055 35.1203 12 h after light 34.26175 27.8514 52.1561 3 h after dark 43.0696 40.5004 44.3972 6 h after dark 44.48383333333333 43.6423 45.9496 9 h after dark 45.40476666666667 41.9975 48.6668 12 h after dark 45.2794 43.4789 47.0799