condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0281072 0.0 0.0843216 12 h after light 0.09952926666666667 0.0 0.210202 4 h after dark 0.0 0.0 0.0 8 h after dark 0.039065666666666665 0.0 0.0774621 12 h after dark 0.014478633333333333 0.0 0.0434359