condition mean min max 3 h after light 0.5929966666666667 0.0 1.77899 6 h after light 0.0 0.0 0.0 9 h after light 0.52751 0.0 1.58253 12 h after light 0.46401575000000006 0.0 1.03791 3 h after dark 1.8978633333333335 1.33722 2.67431 6 h after dark 0.5409516666666666 0.0 0.95668 9 h after dark 1.918485 0.982345 3.04449 12 h after dark 0.66212 0.0 1.32424