condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.20690133333333335 0.0 0.620704 4 h after dark 0.5145053333333334 0.217763 0.812125 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0