condition mean min max 0 h after light 0.153577 0.0 0.307154 2 h after light 0.1724215 0.0 0.344843 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.504857 0.308491 0.701223 2 h after dark 0.3162195 0.0 0.632439 4 h after dark 0.59043 0.0 1.18086 8 h after dark 0.0 0.0 0.0 12 h after dark 0.163935 0.0 0.32787