condition mean min max 0 h after light 2.353465 2.03061 2.67632 2 h after light 1.75759 1.74712 1.76806 4 h after light 1.68589 1.65562 1.71616 8 h after light 1.691805 1.54831 1.8353 12 h after light 3.42421 2.99246 3.85596 2 h after dark 2.9374700000000002 2.53991 3.33503 4 h after dark 2.96363 2.44416 3.4831 8 h after dark 2.898505 2.5525 3.24451 12 h after dark 2.15885 1.84344 2.47426