condition mean min max 4 h after light 164.66500000000002 145.627 183.703 8 h after light 106.555 106.382 106.728 12 h after light 83.91975 76.656 91.1835 4 h after dark 86.65715 80.6284 92.6859 8 h after dark 133.6525 123.481 143.824 12 h after dark 156.624 143.743 169.505