condition mean min max 0 h after light 9.603485 8.26827 10.9387 2 h after light 18.344749999999998 15.2365 21.453 4 h after light 3.69577 1.85476 5.53678 8 h after light 4.92211 3.89127 5.95295 12 h after light 16.20165 14.3971 18.0062 2 h after dark 9.96792 9.40354 10.5323 4 h after dark 11.9817 11.3345 12.6289 8 h after dark 12.71295 12.642 12.7839 12 h after dark 25.10355 17.1618 33.0453