condition mean min max 0 h after light 0.170058 0.0 0.340116 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0874795 0.0 0.174959 12 h after light 0.1827945 0.0 0.365589 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0