condition mean min max 2 h after light 0.9713138333333333 0.247548 2.10932 6 h after light 2.07113 0.185002 4.84542 10 h after light 1.4863615 0.317982 3.68307 14 h after light 1.9656773333333333 0.359385 5.62522 18 h after light 1.6729863333333335 0.25616 5.41647 2 h after dark 1.5174805 0.360308 4.93213