condition mean min max 4 h after light 0.458459 0.20684 0.710078 8 h after light 0.4148575 0.410285 0.41943 12 h after light 0.3652865 0.271807 0.458766 4 h after dark 0.764642 0.647571 0.906419 8 h after dark 1.1919896666666667 0.383609 1.79247 12 h after dark 0.38903666666666664 0.0 0.640214