condition mean min max 0 h after light 11.22265 11.1936 11.2517 2 h after light 6.953175 6.81349 7.09286 4 h after light 6.695195 6.67591 6.71448 8 h after light 6.28881 5.50144 7.07618 12 h after light 7.3749 6.97565 7.77415 2 h after dark 9.48484 9.23305 9.73663 4 h after dark 10.47462 9.85114 11.0981 8 h after dark 12.0205 11.6801 12.3609 12 h after dark 12.265450000000001 11.5167 13.0142