condition mean min max 4 h after light 21.4981 19.4232 23.573 8 h after light 13.649799999999999 13.6365 13.6631 12 h after light 13.55105 13.3794 13.7227 4 h after dark 22.747866666666667 20.6843 26.4399 8 h after dark 27.276433333333333 23.3961 29.5672 12 h after dark 25.6843 24.1924 28.6041