condition mean min max 0 h after light 0.7820535 0.720741 0.843366 2 h after light 0.708501 0.502276 0.914726 4 h after light 0.4538215 0.430039 0.477604 8 h after light 0.64608 0.612551 0.679609 12 h after light 1.874215 1.86005 1.88838 2 h after dark 2.0671049999999997 2.06473 2.06948 4 h after dark 1.517065 1.43785 1.59628 8 h after dark 1.384105 1.37461 1.3936 12 h after dark 0.723101 0.643399 0.802803