condition mean min max 3 h after light 0.25654 0.134839 0.391357 6 h after light 0.23647266666666666 0.128078 0.312905 9 h after light 0.38600593333333333 0.0641378 0.918771 12 h after light 0.781957 0.49931 1.28548 3 h after dark 1.95595 1.8308 2.1075 6 h after dark 1.2962073333333333 0.870292 1.57063 9 h after dark 0.8171553333333333 0.59627 0.945426 12 h after dark 0.5450485 0.471721 0.618376