condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.129073 0.0 0.258146 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.128933 0.0 0.257866 12 h after dark 0.258627 0.255779 0.261475