condition mean min max 4 h after light 0.509184 0.0 1.20346 8 h after light 0.610485 0.289307 0.967774 12 h after light 0.336632 0.153285 0.669399 4 h after dark 0.388044 0.0 0.881538 8 h after dark 0.4982743333333333 0.211868 0.656852 12 h after dark 0.04081833333333333 0.0 0.122455