condition mean min max 0 h after light 33.7933 32.4144 35.1722 4 h after light 48.518 48.4557 48.5803 8 h after light 73.86785 72.2835 75.4522 4 h after dark 89.39920000000001 70.9054 107.893 8 h after dark 68.76535000000001 68.0686 69.4621 12 h after dark 47.88495 37.2253 58.5446