condition mean min max 3 h after light 0.702457 0.548573 0.910071 6 h after light 1.1371933333333333 1.01084 1.34649 9 h after light 2.6821966666666666 2.41499 2.85153 12 h after light 3.5118225 1.17873 4.62054 3 h after dark 3.97042 3.41124 4.52668 6 h after dark 3.367796666666667 3.27185 3.43272 9 h after dark 2.31617 1.7445 2.64364 12 h after dark 0.7841045 0.751521 0.816688