During the winter solstice in the northern hemisphere, which of the following northern latitude positions will have a day length of 10.1 hours:

W: 30\({}^{\circ}\)

X: 40\({}^{\circ}\)

Y: 50\({}^{\circ}\)

Z: 60\({}^{\circ}\)
W) 30\({}^{\circ}\)