condition mean min max 0 h after light 9.75022 9.30404 10.1964 2 h after light 5.870055 5.25317 6.48694 4 h after light 4.24369 3.99792 4.48946 8 h after light 4.803415 4.16192 5.44491 12 h after light 6.38103 6.37376 6.3883 2 h after dark 7.869615 7.39135 8.34788 4 h after dark 8.944595 8.49338 9.39581 8 h after dark 12.65095 11.3758 13.9261 12 h after dark 10.88325 10.003 11.7635