condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.024902433333333335 0.0 0.0747073 12 h after light 0.0163671 0.0 0.0491013 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