condition mean min max 3 h after light 0.7947783333333333 0.601938 0.957768 6 h after light 0.43633466666666665 0.272383 0.530116 9 h after light 0.7159476666666666 0.607088 0.794689 12 h after light 1.51228 1.32305 1.81165 3 h after dark 1.107151 0.542343 1.46193 6 h after dark 2.6398 2.47037 2.7716 9 h after dark 1.7809266666666665 1.60256 1.97573 12 h after dark 1.7527749999999997 1.43386 2.07169