condition mean min max 3 h after light 0.050887666666666664 0.0 0.152663 6 h after light 0.0 0.0 0.0 9 h after light 0.144238 0.0 0.237838 12 h after light 0.0 0.0 0.0 3 h after dark 0.24700233333333332 0.0 0.741007 6 h after dark 0.246103 0.0 0.738309 9 h after dark 0.454803 0.0 0.725809 12 h after dark 0.2175315 0.190458 0.244605