condition mean min max 4 h after light 0.508615 0.201092 0.816138 8 h after light 0.2390175 0.0 0.478035 12 h after light 0.3403845 0.185691 0.495078 4 h after dark 0.5166323333333334 0.0 1.10065 8 h after dark 0.077635 0.0 0.232905 12 h after dark 0.4284503333333333 0.0 0.959704