condition mean min max 3 h after light 2.511135 1.05169 5.04554 7 h after light 2.9556265833333333 0.651979 4.78728 11 h after light 3.935888333333333 2.13811 5.39429 2 h after dark 3.704975 2.73463 4.70771 6 h after dark 2.389431 0.704092 4.01596 10 h after dark 1.9414013333333333 0.554501 3.12827