condition mean min max 4 h after light 11.303230000000001 11.22075 11.42953 8 h after light 11.330746666666666 11.272839999999999 11.41845 12 h after light 11.438536666666666 11.288839999999999 11.698080000000001 4 h after dark 11.491696666666666 11.39748 11.62244 8 h after dark 11.536556666666668 11.42932 11.67774 12 h after dark 11.50976 11.43453 11.652289999999999