condition mean min max 4 h after light 1.8172899999999998 1.08601 2.68693 8 h after light 2.81008 1.07789 4.3795 12 h after light 7.00836 3.36211 11.3234 4 h after dark 8.744616666666666 5.63379 11.1901 8 h after dark 0.977479 0.435097 1.25086 12 h after dark 0.14623066666666668 0.130315 0.164947