condition mean min max 4 h after light 215.6565 203.484 227.829 8 h after light 169.81 167.682 171.938 12 h after light 156.2665 142.699 169.834 4 h after dark 145.00400000000002 131.869 158.139 8 h after dark 206.2335 200.069 212.398 12 h after dark 201.593 194.307 208.879