condition mean min max 0 h after light 30.8582 30.1393 31.5771 2 h after light 21.14715 19.1142 23.1801 4 h after light 14.540099999999999 14.5158 14.5644 8 h after light 11.223220000000001 8.67604 13.7704 12 h after light 22.283299999999997 20.4028 24.1638 2 h after dark 33.06645 32.3971 33.7358 4 h after dark 29.02945 24.634 33.4249 8 h after dark 38.143550000000005 35.8217 40.4654 12 h after dark 37.8514 36.4786 39.2242